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Posted to commits@cloudstack.apache.org by ah...@apache.org on 2013/11/15 19:24:39 UTC
[3/8] Merged vmops and vmopspremium. Rename all xapi plugins to start
with cloud-plugin-. Rename vmops to cloud-plugin-generic.
http://git-wip-us.apache.org/repos/asf/cloudstack/blob/f2bb1ace/scripts/vm/hypervisor/xenserver/vmopsSnapshot
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diff --git a/scripts/vm/hypervisor/xenserver/vmopsSnapshot b/scripts/vm/hypervisor/xenserver/vmopsSnapshot
deleted file mode 100755
index 0f5fbc6..0000000
--- a/scripts/vm/hypervisor/xenserver/vmopsSnapshot
+++ /dev/null
@@ -1,597 +0,0 @@
-#!/usr/bin/python
-# Licensed to the Apache Software Foundation (ASF) under one
-# or more contributor license agreements. See the NOTICE file
-# distributed with this work for additional information
-# regarding copyright ownership. The ASF licenses this file
-# to you under the Apache License, Version 2.0 (the
-# "License"); you may not use this file except in compliance
-# with the License. You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing,
-# software distributed under the License is distributed on an
-# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
-# KIND, either express or implied. See the License for the
-# specific language governing permissions and limitations
-# under the License.
-
-# Version @VERSION@
-#
-# A plugin for executing script needed by vmops cloud
-
-import os, sys, time
-import XenAPIPlugin
-sys.path.append("/opt/xensource/sm/")
-import SR, VDI, SRCommand, util, lvutil
-from util import CommandException
-import vhdutil
-import shutil
-import lvhdutil
-import errno
-import subprocess
-import xs_errors
-import cleanup
-import stat
-import random
-import cloudstack_pluginlib as lib
-import logging
-
-lib.setup_logging("/var/log/vmops.log")
-
-VHD_UTIL = '/opt/cloudstack/bin/vhd-util'
-VHD_PREFIX = 'VHD-'
-CLOUD_DIR = '/var/run/cloud_mount'
-
-def echo(fn):
- def wrapped(*v, **k):
- name = fn.__name__
- logging.debug("#### VMOPS enter %s ####" % name )
- res = fn(*v, **k)
- logging.debug("#### VMOPS exit %s ####" % name )
- return res
- return wrapped
-
-
-@echo
-def create_secondary_storage_folder(session, args):
- local_mount_path = None
-
- logging.debug("create_secondary_storage_folder, args: " + str(args))
-
- try:
- try:
- # Mount the remote resource folder locally
- remote_mount_path = args["remoteMountPath"]
- local_mount_path = os.path.join(CLOUD_DIR, util.gen_uuid())
- mount(remote_mount_path, local_mount_path)
-
- # Create the new folder
- new_folder = local_mount_path + "/" + args["newFolder"]
- if not os.path.isdir(new_folder):
- current_umask = os.umask(0)
- os.makedirs(new_folder)
- os.umask(current_umask)
- except OSError, (errno, strerror):
- errMsg = "create_secondary_storage_folder failed: errno: " + str(errno) + ", strerr: " + strerror
- logging.debug(errMsg)
- raise xs_errors.XenError(errMsg)
- except:
- errMsg = "create_secondary_storage_folder failed."
- logging.debug(errMsg)
- raise xs_errors.XenError(errMsg)
- finally:
- if local_mount_path != None:
- # Unmount the local folder
- umount(local_mount_path)
- # Remove the local folder
- os.system("rmdir " + local_mount_path)
-
- return "1"
-
-@echo
-def delete_secondary_storage_folder(session, args):
- local_mount_path = None
-
- logging.debug("delete_secondary_storage_folder, args: " + str(args))
-
- try:
- try:
- # Mount the remote resource folder locally
- remote_mount_path = args["remoteMountPath"]
- local_mount_path = os.path.join(CLOUD_DIR, util.gen_uuid())
- mount(remote_mount_path, local_mount_path)
-
- # Delete the specified folder
- folder = local_mount_path + "/" + args["folder"]
- if os.path.isdir(folder):
- os.system("rm -f " + folder + "/*")
- os.system("rmdir " + folder)
- except OSError, (errno, strerror):
- errMsg = "delete_secondary_storage_folder failed: errno: " + str(errno) + ", strerr: " + strerror
- logging.debug(errMsg)
- raise xs_errors.XenError(errMsg)
- except:
- errMsg = "delete_secondary_storage_folder failed."
- logging.debug(errMsg)
- raise xs_errors.XenError(errMsg)
- finally:
- if local_mount_path != None:
- # Unmount the local folder
- umount(local_mount_path)
- # Remove the local folder
- os.system("rmdir " + local_mount_path)
-
- return "1"
-
-@echo
-def post_create_private_template(session, args):
- local_mount_path = None
- try:
- try:
- # get local template folder
- templatePath = args["templatePath"]
- local_mount_path = os.path.join(CLOUD_DIR, util.gen_uuid())
- mount(templatePath, local_mount_path)
- # Retrieve args
- filename = args["templateFilename"]
- name = args["templateName"]
- description = args["templateDescription"]
- checksum = args["checksum"]
- file_size = args["size"]
- virtual_size = args["virtualSize"]
- template_id = args["templateId"]
-
- # Create the template.properties file
- template_properties_install_path = local_mount_path + "/template.properties"
- f = open(template_properties_install_path, "w")
- f.write("filename=" + filename + "\n")
- f.write("vhd=true\n")
- f.write("id=" + template_id + "\n")
- f.write("vhd.filename=" + filename + "\n")
- f.write("public=false\n")
- f.write("uniquename=" + name + "\n")
- f.write("vhd.virtualsize=" + virtual_size + "\n")
- f.write("virtualsize=" + virtual_size + "\n")
- f.write("checksum=" + checksum + "\n")
- f.write("hvm=true\n")
- f.write("description=" + description + "\n")
- f.write("vhd.size=" + str(file_size) + "\n")
- f.write("size=" + str(file_size) + "\n")
- f.close()
- logging.debug("Created template.properties file")
-
- # Set permissions
- permissions = stat.S_IREAD | stat.S_IWRITE | stat.S_IRGRP | stat.S_IWGRP | stat.S_IROTH | stat.S_IWOTH
- os.chmod(template_properties_install_path, permissions)
- logging.debug("Set permissions on template and template.properties")
-
- except:
- errMsg = "post_create_private_template failed."
- logging.debug(errMsg)
- raise xs_errors.XenError(errMsg)
-
- finally:
- if local_mount_path != None:
- # Unmount the local folder
- umount(local_mount_path)
- # Remove the local folder
- os.system("rmdir " + local_mount_path)
- return "1"
-
-def isfile(path, isISCSI):
- errMsg = ''
- exists = True
- if isISCSI:
- exists = checkVolumeAvailablility(path)
- else:
- exists = os.path.isfile(path)
-
- if not exists:
- errMsg = "File " + path + " does not exist."
- logging.debug(errMsg)
- raise xs_errors.XenError(errMsg)
- return errMsg
-
-def copyfile(fromFile, toFile, isISCSI):
- logging.debug("Starting to copy " + fromFile + " to " + toFile)
- errMsg = ''
- try:
- cmd = ['dd', 'if=' + fromFile, 'of=' + toFile, 'bs=4M']
- txt = util.pread2(cmd)
- except:
- try:
- os.system("rm -f " + toFile)
- except:
- txt = ''
- txt = ''
- errMsg = "Error while copying " + fromFile + " to " + toFile + " in secondary storage"
- logging.debug(errMsg)
- raise xs_errors.XenError(errMsg)
-
- logging.debug("Successfully copied " + fromFile + " to " + toFile)
- return errMsg
-
-def chdir(path):
- try:
- os.chdir(path)
- except OSError, (errno, strerror):
- errMsg = "Unable to chdir to " + path + " because of OSError with errno: " + str(errno) + " and strerr: " + strerror
- logging.debug(errMsg)
- raise xs_errors.XenError(errMsg)
- logging.debug("Chdired to " + path)
- return
-
-def scanParent(path):
- # Do a scan for the parent for ISCSI volumes
- # Note that the parent need not be visible on the XenServer
- parentUUID = ''
- try:
- lvName = os.path.basename(path)
- dirname = os.path.dirname(path)
- vgName = os.path.basename(dirname)
- vhdInfo = vhdutil.getVHDInfoLVM(lvName, lvhdutil.extractUuid, vgName)
- parentUUID = vhdInfo.parentUuid
- except:
- errMsg = "Could not get vhd parent of " + path
- logging.debug(errMsg)
- raise xs_errors.XenError(errMsg)
- return parentUUID
-
-def getParent(path, isISCSI):
- parentUUID = ''
- try :
- if isISCSI:
- parentUUID = vhdutil.getParent(path, lvhdutil.extractUuid)
- else:
- parentUUID = vhdutil.getParent(path, cleanup.FileVDI.extractUuid)
- except:
- errMsg = "Could not get vhd parent of " + path
- logging.debug(errMsg)
- raise xs_errors.XenError(errMsg)
- return parentUUID
-
-def getParentOfSnapshot(snapshotUuid, primarySRPath, isISCSI):
- snapshotVHD = getVHD(snapshotUuid, isISCSI)
- snapshotPath = os.path.join(primarySRPath, snapshotVHD)
-
- baseCopyUuid = ''
- if isISCSI:
- checkVolumeAvailablility(snapshotPath)
- baseCopyUuid = scanParent(snapshotPath)
- else:
- baseCopyUuid = getParent(snapshotPath, isISCSI)
-
- logging.debug("Base copy of snapshotUuid: " + snapshotUuid + " is " + baseCopyUuid)
- return baseCopyUuid
-
-def setParent(parent, child):
- try:
- cmd = [VHD_UTIL, "modify", "-p", parent, "-n", child]
- txt = util.pread2(cmd)
- except:
- errMsg = "Unexpected error while trying to set parent of " + child + " to " + parent
- logging.debug(errMsg)
- raise xs_errors.XenError(errMsg)
- logging.debug("Successfully set parent of " + child + " to " + parent)
- return
-
-def rename(originalVHD, newVHD):
- try:
- os.rename(originalVHD, newVHD)
- except OSError, (errno, strerror):
- errMsg = "OSError while renaming " + origiinalVHD + " to " + newVHD + "with errno: " + str(errno) + " and strerr: " + strerror
- logging.debug(errMsg)
- raise xs_errors.XenError(errMsg)
- return
-
-def makedirs(path):
- if not os.path.isdir(path):
- try:
- os.makedirs(path)
- except OSError, (errno, strerror):
- umount(path)
- if os.path.isdir(path):
- return
- errMsg = "OSError while creating " + path + " with errno: " + str(errno) + " and strerr: " + strerror
- logging.debug(errMsg)
- raise xs_errors.XenError(errMsg)
- return
-
-def mount(remoteDir, localDir):
- makedirs(localDir)
- options = "soft,tcp,timeo=133,retrans=1"
- try:
- cmd = ['mount', '-o', options, remoteDir, localDir]
- txt = util.pread2(cmd)
- except:
- txt = ''
- errMsg = "Unexpected error while trying to mount " + remoteDir + " to " + localDir
- logging.debug(errMsg)
- raise xs_errors.XenError(errMsg)
- logging.debug("Successfully mounted " + remoteDir + " to " + localDir)
-
- return
-
-def umount(localDir):
- try:
- cmd = ['umount', localDir]
- util.pread2(cmd)
- except CommandException:
- errMsg = "CommandException raised while trying to umount " + localDir
- logging.debug(errMsg)
- raise xs_errors.XenError(errMsg)
-
- logging.debug("Successfully unmounted " + localDir)
- return
-
-def mountSnapshotsDir(secondaryStorageMountPath, localMountPointPath, path):
- # The aim is to mount secondaryStorageMountPath on
- # And create <accountId>/<instanceId> dir on it, if it doesn't exist already.
- # Assuming that secondaryStorageMountPath exists remotely
-
- # Just mount secondaryStorageMountPath/<relativeDir>/SecondaryStorageHost/ everytime
- # Never unmount.
- # path is like "snapshots/account/volumeId", we mount secondary_storage:/snapshots
- relativeDir = path.split("/")[0]
- restDir = "/".join(path.split("/")[1:])
- snapshotsDir = os.path.join(secondaryStorageMountPath, relativeDir)
-
- makedirs(localMountPointPath)
- # if something is not mounted already on localMountPointPath,
- # mount secondaryStorageMountPath on localMountPath
- if os.path.ismount(localMountPointPath):
- # There is more than one secondary storage per zone.
- # And we are mounting each sec storage under a zone-specific directory
- # So two secondary storage snapshot dirs will never get mounted on the same point on the same XenServer.
- logging.debug("The remote snapshots directory has already been mounted on " + localMountPointPath)
- else:
- mount(snapshotsDir, localMountPointPath)
-
- # Create accountId/instanceId dir on localMountPointPath, if it doesn't exist
- backupsDir = os.path.join(localMountPointPath, restDir)
- makedirs(backupsDir)
- return backupsDir
-
-def unmountAll(path):
- try:
- for dir in os.listdir(path):
- if dir.isdigit():
- logging.debug("Unmounting Sub-Directory: " + dir)
- localMountPointPath = os.path.join(path, dir)
- umount(localMountPointPath)
- except:
- logging.debug("Ignoring the error while trying to unmount the snapshots dir")
-
-@echo
-def unmountSnapshotsDir(session, args):
- dcId = args['dcId']
- localMountPointPath = os.path.join(CLOUD_DIR, dcId)
- localMountPointPath = os.path.join(localMountPointPath, "snapshots")
- unmountAll(localMountPointPath)
- try:
- umount(localMountPointPath)
- except:
- logging.debug("Ignoring the error while trying to unmount the snapshots dir.")
-
- return "1"
-
-def getPrimarySRPath(primaryStorageSRUuid, isISCSI):
- if isISCSI:
- primarySRDir = lvhdutil.VG_PREFIX + primaryStorageSRUuid
- return os.path.join(lvhdutil.VG_LOCATION, primarySRDir)
- else:
- return os.path.join(SR.MOUNT_BASE, primaryStorageSRUuid)
-
-def getBackupVHD(UUID):
- return UUID + '.' + SR.DEFAULT_TAP
-
-def getVHD(UUID, isISCSI):
- if isISCSI:
- return VHD_PREFIX + UUID
- else:
- return UUID + '.' + SR.DEFAULT_TAP
-
-def getIsTrueString(stringValue):
- booleanValue = False
- if (stringValue and stringValue == 'true'):
- booleanValue = True
- return booleanValue
-
-def makeUnavailable(uuid, primarySRPath, isISCSI):
- if not isISCSI:
- return
- VHD = getVHD(uuid, isISCSI)
- path = os.path.join(primarySRPath, VHD)
- manageAvailability(path, '-an')
- return
-
-def manageAvailability(path, value):
- if path.__contains__("/var/run/sr-mount"):
- return
- logging.debug("Setting availability of " + path + " to " + value)
- try:
- cmd = ['/usr/sbin/lvchange', value, path]
- util.pread2(cmd)
- except: #CommandException, (rc, cmdListStr, stderr):
- #errMsg = "CommandException thrown while executing: " + cmdListStr + " with return code: " + str(rc) + " and stderr: " + stderr
- errMsg = "Unexpected exception thrown by lvchange"
- logging.debug(errMsg)
- if value == "-ay":
- # Raise an error only if we are trying to make it available.
- # Just warn if we are trying to make it unavailable after the
- # snapshot operation is done.
- raise xs_errors.XenError(errMsg)
- return
-
-
-def checkVolumeAvailablility(path):
- try:
- if not isVolumeAvailable(path):
- # The VHD file is not available on XenSever. The volume is probably
- # inactive or detached.
- # Do lvchange -ay to make it available on XenServer
- manageAvailability(path, '-ay')
- except:
- errMsg = "Could not determine status of ISCSI path: " + path
- logging.debug(errMsg)
- raise xs_errors.XenError(errMsg)
-
- success = False
- i = 0
- while i < 6:
- i = i + 1
- # Check if the vhd is actually visible by checking for the link
- # set isISCSI to true
- success = isVolumeAvailable(path)
- if success:
- logging.debug("Made vhd: " + path + " available and confirmed that it is visible")
- break
-
- # Sleep for 10 seconds before checking again.
- time.sleep(10)
-
- # If not visible within 1 min fail
- if not success:
- logging.debug("Could not make vhd: " + path + " available despite waiting for 1 minute. Does it exist?")
-
- return success
-
-def isVolumeAvailable(path):
- # Check if iscsi volume is available on this XenServer.
- status = "0"
- try:
- p = subprocess.Popen(["/bin/bash", "-c", "if [ -L " + path + " ]; then echo 1; else echo 0;fi"], stdout=subprocess.PIPE)
- status = p.communicate()[0].strip("\n")
- except:
- errMsg = "Could not determine status of ISCSI path: " + path
- logging.debug(errMsg)
- raise xs_errors.XenError(errMsg)
-
- return (status == "1")
-
-def getVhdParent(session, args):
- logging.debug("getParent with " + str(args))
- primaryStorageSRUuid = args['primaryStorageSRUuid']
- snapshotUuid = args['snapshotUuid']
- isISCSI = getIsTrueString(args['isISCSI'])
-
- primarySRPath = getPrimarySRPath(primaryStorageSRUuid, isISCSI)
- logging.debug("primarySRPath: " + primarySRPath)
-
- baseCopyUuid = getParentOfSnapshot(snapshotUuid, primarySRPath, isISCSI)
-
- return baseCopyUuid
-
-
-def backupSnapshot(session, args):
- logging.debug("Called backupSnapshot with " + str(args))
- primaryStorageSRUuid = args['primaryStorageSRUuid']
- secondaryStorageMountPath = args['secondaryStorageMountPath']
- snapshotUuid = args['snapshotUuid']
- prevBackupUuid = args['prevBackupUuid']
- backupUuid = args['backupUuid']
- isISCSI = getIsTrueString(args['isISCSI'])
- path = args['path']
- localMountPoint = args['localMountPoint']
- primarySRPath = getPrimarySRPath(primaryStorageSRUuid, isISCSI)
- logging.debug("primarySRPath: " + primarySRPath)
-
- baseCopyUuid = getParentOfSnapshot(snapshotUuid, primarySRPath, isISCSI)
- baseCopyVHD = getVHD(baseCopyUuid, isISCSI)
- baseCopyPath = os.path.join(primarySRPath, baseCopyVHD)
- logging.debug("Base copy path: " + baseCopyPath)
-
-
- # Mount secondary storage mount path on XenServer along the path
- # /var/run/sr-mount/<dcId>/snapshots/ and create <accountId>/<volumeId> dir
- # on it.
- backupsDir = mountSnapshotsDir(secondaryStorageMountPath, localMountPoint, path)
- logging.debug("Backups dir " + backupsDir)
- prevBackupUuid = prevBackupUuid.split("/")[-1]
- # Check existence of snapshot on primary storage
- isfile(baseCopyPath, isISCSI)
- if prevBackupUuid:
- # Check existence of prevBackupFile
- prevBackupVHD = getBackupVHD(prevBackupUuid)
- prevBackupFile = os.path.join(backupsDir, prevBackupVHD)
- isfile(prevBackupFile, False)
-
- # copy baseCopyPath to backupsDir with new uuid
- backupVHD = getBackupVHD(backupUuid)
- backupFile = os.path.join(backupsDir, backupVHD)
- logging.debug("Back up " + baseCopyUuid + " to Secondary Storage as " + backupUuid)
- copyfile(baseCopyPath, backupFile, isISCSI)
- vhdutil.setHidden(backupFile, False)
-
- # Because the primary storage is always scanned, the parent of this base copy is always the first base copy.
- # We don't want that, we want a chain of VHDs each of which is a delta from the previous.
- # So set the parent of the current baseCopyVHD to prevBackupVHD
- if prevBackupUuid:
- # If there was a previous snapshot
- setParent(prevBackupFile, backupFile)
-
- txt = "1#" + backupUuid
- return txt
-
-@echo
-def deleteSnapshotBackup(session, args):
- logging.debug("Calling deleteSnapshotBackup with " + str(args))
- secondaryStorageMountPath = args['secondaryStorageMountPath']
- backupUUID = args['backupUUID']
- path = args['path']
- localMountPoint = args['localMountPoint']
-
- backupsDir = mountSnapshotsDir(secondaryStorageMountPath, localMountPoint, path)
- # chdir to the backupsDir for convenience
- chdir(backupsDir)
-
- backupVHD = getBackupVHD(backupUUID)
- logging.debug("checking existence of " + backupVHD)
-
- # The backupVHD is on secondary which is NFS and not ISCSI.
- if not os.path.isfile(backupVHD):
- logging.debug("backupVHD " + backupVHD + "does not exist. Not trying to delete it")
- return "1"
- logging.debug("backupVHD " + backupVHD + " exists.")
-
- # Just delete the backupVHD
- try:
- os.remove(backupVHD)
- except OSError, (errno, strerror):
- errMsg = "OSError while removing " + backupVHD + " with errno: " + str(errno) + " and strerr: " + strerror
- logging.debug(errMsg)
- raise xs_errors.XenError(errMsg)
-
- return "1"
-
-@echo
-def revert_memory_snapshot(session, args):
- logging.debug("Calling revert_memory_snapshot with " + str(args))
- vmName = args['vmName']
- snapshotUUID = args['snapshotUUID']
- oldVmUuid = args['oldVmUuid']
- snapshotMemory = args['snapshotMemory']
- hostUUID = args['hostUUID']
- try:
- cmd = '''xe vbd-list vm-uuid=%s | grep 'vdi-uuid' | grep -v 'not in database' | sed -e 's/vdi-uuid ( RO)://g' ''' % oldVmUuid
- vdiUuids = os.popen(cmd).read().split()
- cmd2 = '''xe vm-param-get param-name=power-state uuid=''' + oldVmUuid
- if os.popen(cmd2).read().split()[0] != 'halted':
- os.system("xe vm-shutdown force=true vm=" + vmName)
- os.system("xe vm-destroy uuid=" + oldVmUuid)
- os.system("xe snapshot-revert snapshot-uuid=" + snapshotUUID)
- if snapshotMemory == 'true':
- os.system("xe vm-resume vm=" + vmName + " on=" + hostUUID)
- for vdiUuid in vdiUuids:
- os.system("xe vdi-destroy uuid=" + vdiUuid)
- except OSError, (errno, strerror):
- errMsg = "OSError while reverting vm " + vmName + " to snapshot " + snapshotUUID + " with errno: " + str(errno) + " and strerr: " + strerror
- logging.debug(errMsg)
- raise xs_errors.XenError(errMsg)
- return "0"
-
-if __name__ == "__main__":
- XenAPIPlugin.dispatch({"getVhdParent":getVhdParent, "create_secondary_storage_folder":create_secondary_storage_folder, "delete_secondary_storage_folder":delete_secondary_storage_folder, "post_create_private_template":post_create_private_template, "backupSnapshot": backupSnapshot, "deleteSnapshotBackup": deleteSnapshotBackup, "unmountSnapshotsDir": unmountSnapshotsDir, "revert_memory_snapshot":revert_memory_snapshot})
-
-
http://git-wip-us.apache.org/repos/asf/cloudstack/blob/f2bb1ace/scripts/vm/hypervisor/xenserver/vmopspremium
----------------------------------------------------------------------
diff --git a/scripts/vm/hypervisor/xenserver/vmopspremium b/scripts/vm/hypervisor/xenserver/vmopspremium
deleted file mode 100755
index cd495fd..0000000
--- a/scripts/vm/hypervisor/xenserver/vmopspremium
+++ /dev/null
@@ -1,150 +0,0 @@
-#!/usr/bin/python
-# Licensed to the Apache Software Foundation (ASF) under one
-# or more contributor license agreements. See the NOTICE file
-# distributed with this work for additional information
-# regarding copyright ownership. The ASF licenses this file
-# to you under the Apache License, Version 2.0 (the
-# "License"); you may not use this file except in compliance
-# with the License. You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing,
-# software distributed under the License is distributed on an
-# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
-# KIND, either express or implied. See the License for the
-# specific language governing permissions and limitations
-# under the License.
-
-# Version @VERSION@
-#
-# A plugin for executing script needed by vmops cloud
-
-import os, sys, time
-import XenAPIPlugin
-sys.path.append("/opt/xensource/sm/")
-import util
-import socket
-import cloudstack_pluginlib as lib
-import logging
-
-lib.setup_logging("/var/log/vmops.log")
-
-CS_DIR="/opt/cloudstack/bin/"
-
-def echo(fn):
- def wrapped(*v, **k):
- name = fn.__name__
- logging.debug("#### VMOPS enter %s ####" % name )
- res = fn(*v, **k)
- logging.debug("#### VMOPS exit %s ####" % name )
- return res
- return wrapped
-
-@echo
-def forceShutdownVM(session, args):
- domId = args['domId']
- try:
- cmd = ["/opt/xensource/debug/xenops", "destroy_domain", "-domid", domId]
- txt = util.pread2(cmd)
- except:
- txt = '10#failed'
- return txt
-
-
-@echo
-def create_privatetemplate_from_snapshot(session, args):
- templatePath = args['templatePath']
- snapshotPath = args['snapshotPath']
- tmpltLocalDir = args['tmpltLocalDir']
- try:
- cmd = ["bash", CS_DIR + "create_privatetemplate_from_snapshot.sh",snapshotPath, templatePath, tmpltLocalDir]
- txt = util.pread2(cmd)
- except:
- txt = '10#failed'
- return txt
-
-@echo
-def upgrade_snapshot(session, args):
- templatePath = args['templatePath']
- snapshotPath = args['snapshotPath']
- try:
- cmd = ["bash", CS_DIR + "upgrate_snapshot.sh",snapshotPath, templatePath]
- txt = util.pread2(cmd)
- except:
- txt = '10#failed'
- return txt
-
-@echo
-def copy_vhd_to_secondarystorage(session, args):
- mountpoint = args['mountpoint']
- vdiuuid = args['vdiuuid']
- sruuid = args['sruuid']
- try:
- cmd = ["bash", CS_DIR + "copy_vhd_to_secondarystorage.sh", mountpoint, vdiuuid, sruuid]
- txt = util.pread2(cmd)
- except:
- txt = '10#failed'
- return txt
-
-@echo
-def copy_vhd_from_secondarystorage(session, args):
- mountpoint = args['mountpoint']
- sruuid = args['sruuid']
- namelabel = args['namelabel']
- try:
- cmd = ["bash", CS_DIR + "copy_vhd_from_secondarystorage.sh", mountpoint, sruuid, namelabel]
- txt = util.pread2(cmd)
- except:
- txt = '10#failed'
- return txt
-
-@echo
-def setup_heartbeat_sr(session, args):
- host = args['host']
- sr = args['sr']
- try:
- cmd = ["bash", CS_DIR + "setup_heartbeat_sr.sh", host, sr]
- txt = util.pread2(cmd)
- except:
- txt = ''
- return txt
-
-@echo
-def setup_heartbeat_file(session, args):
- host = args['host']
- sr = args['sr']
- add = args['add']
- try:
- cmd = ["bash", CS_DIR + "setup_heartbeat_file.sh", host, sr, add]
- txt = util.pread2(cmd)
- except:
- txt = ''
- return txt
-
-@echo
-def check_heartbeat(session, args):
- host = args['host']
- interval = args['interval']
- try:
- cmd = ["bash", CS_DIR + "check_heartbeat.sh", host, interval]
- txt = util.pread2(cmd)
- except:
- txt=''
- return txt
-
-
-@echo
-def heartbeat(session, args):
- host = args['host']
- interval = args['interval']
- try:
- cmd = ["/bin/bash", CS_DIR + "launch_hb.sh", host, interval]
- txt = util.pread2(cmd)
- except:
- txt='fail'
- return txt
-
-if __name__ == "__main__":
- XenAPIPlugin.dispatch({"forceShutdownVM":forceShutdownVM, "upgrade_snapshot":upgrade_snapshot, "create_privatetemplate_from_snapshot":create_privatetemplate_from_snapshot, "copy_vhd_to_secondarystorage":copy_vhd_to_secondarystorage, "copy_vhd_from_secondarystorage":copy_vhd_from_secondarystorage, "setup_heartbeat_sr":setup_heartbeat_sr, "setup_heartbeat_file":setup_heartbeat_file, "check_heartbeat":check_heartbeat, "heartbeat": heartbeat})
-
http://git-wip-us.apache.org/repos/asf/cloudstack/blob/f2bb1ace/scripts/vm/hypervisor/xenserver/xcposs/cloud-plugin-generic
----------------------------------------------------------------------
diff --git a/scripts/vm/hypervisor/xenserver/xcposs/cloud-plugin-generic b/scripts/vm/hypervisor/xenserver/xcposs/cloud-plugin-generic
new file mode 100644
index 0000000..aca0fe1
--- /dev/null
+++ b/scripts/vm/hypervisor/xenserver/xcposs/cloud-plugin-generic
@@ -0,0 +1,1596 @@
+#!/usr/bin/python
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+# Version @VERSION@
+#
+# A plugin for executing script needed by CloudStack cloud
+
+import os, sys, time
+import XenAPIPlugin
+sys.path.extend(["/usr/lib/xcp/sm/", "/usr/local/sbin/", "/sbin/"])
+import base64
+import socket
+import stat
+import tempfile
+import util
+import subprocess
+import zlib
+from util import CommandException
+
+def echo(fn):
+ def wrapped(*v, **k):
+ name = fn.__name__
+ util.SMlog("#### CLOUD enter %s ####" % name )
+ res = fn(*v, **k)
+ util.SMlog("#### CLOUD exit %s ####" % name )
+ return res
+ return wrapped
+
+@echo
+def setup_iscsi(session, args):
+ uuid=args['uuid']
+ try:
+ cmd = ["bash", "/usr/lib/cloud/bin/setup_iscsi.sh", uuid]
+ txt = util.pread2(cmd)
+ except:
+ txt = ''
+ return '> DONE <'
+
+
+@echo
+def getgateway(session, args):
+ mgmt_ip = args['mgmtIP']
+ try:
+ cmd = ["bash", "/usr/lib/cloud/bin/network_info.sh", "-g", mgmt_ip]
+ txt = util.pread2(cmd)
+ except:
+ txt = ''
+
+ return txt
+
+@echo
+def preparemigration(session, args):
+ uuid = args['uuid']
+ try:
+ cmd = ["/usr/lib/cloud/bin/make_migratable.sh", uuid]
+ util.pread2(cmd)
+ txt = 'success'
+ except:
+ util.SMlog("Catch prepare migration exception" )
+ txt = ''
+
+ return txt
+
+@echo
+def setIptables(session, args):
+ try:
+ '''cmd = ["/bin/bash", "/usr/lib/cloud/bin/setupxenserver.sh"]
+ txt = util.pread2(cmd)'''
+ txt = 'success'
+ except:
+ util.SMlog(" setIptables execution failed " )
+ txt = ''
+
+ return txt
+
+@echo
+def pingdomr(session, args):
+ host = args['host']
+ port = args['port']
+ socket.setdefaulttimeout(3)
+ s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+ try:
+ s.connect((host,int(port)))
+ txt = 'success'
+ except:
+ txt = ''
+
+ s.close()
+
+ return txt
+
+@echo
+def kill_copy_process(session, args):
+ namelabel = args['namelabel']
+ try:
+ cmd = ["bash", "/usr/lib/cloud/bin/kill_copy_process.sh", namelabel]
+ txt = util.pread2(cmd)
+ except:
+ txt = 'false'
+ return txt
+
+@echo
+def pingxenserver(session, args):
+ txt = 'success'
+ return txt
+
+@echo
+def ipassoc(session, args):
+ sargs = args['args']
+ cmd = sargs.split(' ')
+ cmd.insert(0, "/usr/lib/cloud/bin/ipassoc.sh")
+ cmd.insert(0, "/bin/bash")
+ try:
+ txt = util.pread2(cmd)
+ txt = 'success'
+ except:
+ util.SMlog(" ip associate failed " )
+ txt = ''
+
+ return txt
+
+def pingtest(session, args):
+ sargs = args['args']
+ cmd = sargs.split(' ')
+ cmd.insert(0, "/usr/lib/cloud/bin/pingtest.sh")
+ cmd.insert(0, "/bin/bash")
+ try:
+ txt = util.pread2(cmd)
+ txt = 'success'
+ except:
+ util.SMlog(" pingtest failed " )
+ txt = ''
+
+ return txt
+
+@echo
+def savePassword(session, args):
+ sargs = args['args']
+ cmd = sargs.split(' ')
+ cmd.insert(0, "/usr/lib/cloud/bin/save_password_to_domr.sh")
+ cmd.insert(0, "/bin/bash")
+ try:
+ txt = util.pread2(cmd)
+ txt = 'success'
+ except:
+ util.SMlog(" save password to domr failed " )
+ txt = ''
+
+ return txt
+
+@echo
+def saveDhcpEntry(session, args):
+ sargs = args['args']
+ cmd = sargs.split(' ')
+ cmd.insert(0, "/usr/lib/cloud/bin/dhcp_entry.sh")
+ cmd.insert(0, "/bin/bash")
+ try:
+ txt = util.pread2(cmd)
+ txt = 'success'
+ except:
+ util.SMlog(" save dhcp entry failed " )
+ txt = ''
+
+ return txt
+
+@echo
+def lt2p_vpn(session, args):
+ sargs = args['args']
+ cmd = sargs.split(' ')
+ cmd.insert(0, "/usr/lib/cloud/bin/l2tp_vpn.sh")
+ cmd.insert(0, "/bin/bash")
+ try:
+ txt = util.pread2(cmd)
+ txt = 'success'
+ except:
+ util.SMlog("l2tp vpn failed " )
+ txt = ''
+
+ return txt
+
+@echo
+def setLinkLocalIP(session, args):
+ brName = args['brName']
+ try:
+ cmd = ["ip", "route", "del", "169.254.0.0/16"]
+ txt = util.pread2(cmd)
+ except:
+ txt = ''
+ try:
+ cmd = ["ifconfig", brName, "169.254.0.1", "netmask", "255.255.0.0"]
+ txt = util.pread2(cmd)
+ except:
+
+ try:
+ cmd = ["brctl", "addbr", brName]
+ txt = util.pread2(cmd)
+ except:
+ pass
+
+ try:
+ cmd = ["ifconfig", brName, "169.254.0.1", "netmask", "255.255.0.0"]
+ txt = util.pread2(cmd)
+ except:
+ pass
+ try:
+ cmd = ["ip", "route", "add", "169.254.0.0/16", "dev", brName, "src", "169.254.0.1"]
+ txt = util.pread2(cmd)
+ except:
+ txt = ''
+ txt = 'success'
+ return txt
+
+@echo
+def setFirewallRule(session, args):
+ sargs = args['args']
+ cmd = sargs.split(' ')
+ cmd.insert(0, "/usr/lib/cloud/bin/call_firewall.sh")
+ cmd.insert(0, "/bin/bash")
+ try:
+ txt = util.pread2(cmd)
+ txt = 'success'
+ except:
+ util.SMlog(" set firewall rule failed " )
+ txt = ''
+
+ return txt
+
+@echo
+def setLoadBalancerRule(session, args):
+ sargs = args['args']
+ cmd = sargs.split(' ')
+ cmd.insert(0, "/usr/lib/cloud/bin/call_loadbalancer.sh")
+ cmd.insert(0, "/bin/bash")
+ try:
+ txt = util.pread2(cmd)
+ txt = 'success'
+ except:
+ util.SMlog(" set loadbalancer rule failed " )
+ txt = ''
+
+ return txt
+
+@echo
+def createFile(session, args):
+ file_path = args['filepath']
+ file_contents = args['filecontents']
+
+ try:
+ f = open(file_path, "w")
+ f.write(file_contents)
+ f.close()
+ txt = 'success'
+ except:
+ util.SMlog(" failed to create HA proxy cfg file ")
+ txt = ''
+
+ return txt
+
+@echo
+def deleteFile(session, args):
+ file_path = args["filepath"]
+
+ try:
+ if os.path.isfile(file_path):
+ os.remove(file_path)
+ txt = 'success'
+ except:
+ util.SMlog(" failed to remove HA proxy cfg file ")
+ txt = ''
+
+ return txt
+
+
+@echo
+def networkUsage(session, args):
+ sargs = args['args']
+ cmd = sargs.split(' ')
+ cmd.insert(0, "/usr/lib/cloud/bin/networkUsage.sh")
+ cmd.insert(0, "/bin/bash")
+ try:
+ txt = util.pread2(cmd)
+ except:
+ util.SMlog(" network usage error " )
+ txt = ''
+
+ return txt
+
+def get_private_nic(session, args):
+ vms = session.xenapi.VM.get_all()
+ host_uuid = args.get('host_uuid')
+ host = session.xenapi.host.get_by_uuid(host_uuid)
+ piflist = session.xenapi.host.get_PIFs(host)
+ mgmtnic = 'eth0'
+ for pif in piflist:
+ pifrec = session.xenapi.PIF.get_record(pif)
+ network = pifrec.get('network')
+ nwrec = session.xenapi.network.get_record(network)
+ if nwrec.get('name_label') == 'cloud-guest':
+ return pifrec.get('device')
+ if pifrec.get('management'):
+ mgmtnic = pifrec.get('device')
+
+ return mgmtnic
+
+def chain_name(vm_name):
+ if vm_name.startswith('i-') or vm_name.startswith('r-'):
+ if vm_name.endswith('untagged'):
+ return '-'.join(vm_name.split('-')[:-1])
+ return vm_name
+
+def chain_name_def(vm_name):
+ if vm_name.startswith('i-'):
+ if vm_name.endswith('untagged'):
+ return '-'.join(vm_name.split('-')[:-2]) + "-def"
+ return '-'.join(vm_name.split('-')[:-1]) + "-def"
+ return vm_name
+
+def egress_chain_name(vm_name):
+ return chain_name(vm_name) + "-eg"
+
+@echo
+def can_bridge_firewall(session, args):
+ try:
+ util.pread2(['ebtables', '-V'])
+ util.pread2(['ipset', '-V'])
+ except:
+ return 'false'
+
+ host_uuid = args.get('host_uuid')
+ try:
+ util.pread2(['iptables', '-N', 'BRIDGE-FIREWALL'])
+ util.pread2(['iptables', '-I', 'BRIDGE-FIREWALL', '-m', 'state', '--state', 'RELATED,ESTABLISHED', '-j', 'ACCEPT'])
+ util.pread2(['iptables', '-A', 'BRIDGE-FIREWALL', '-m', 'physdev', '--physdev-is-bridged', '-p', 'udp', '--dport', '67', '--sport', '68', '-j', 'ACCEPT'])
+ util.pread2(['iptables', '-A', 'BRIDGE-FIREWALL', '-m', 'physdev', '--physdev-is-bridged', '-p', 'udp', '--dport', '68', '--sport', '67', '-j', 'ACCEPT'])
+ util.pread2(['iptables', '-D', 'FORWARD', '-j', 'RH-Firewall-1-INPUT'])
+ except:
+ util.SMlog('Chain BRIDGE-FIREWALL already exists')
+ privnic = get_private_nic(session, args)
+ result = 'true'
+ try:
+ util.pread2(['/bin/bash', '-c', 'iptables -n -L FORWARD | grep BRIDGE-FIREWALL'])
+ except:
+ try:
+ util.pread2(['iptables', '-I', 'FORWARD', '-m', 'physdev', '--physdev-is-bridged', '-j', 'BRIDGE-FIREWALL'])
+ util.pread2(['iptables', '-A', 'FORWARD', '-m', 'physdev', '--physdev-is-bridged', '--physdev-out', privnic, '-j', 'ACCEPT'])
+ util.pread2(['iptables', '-A', 'FORWARD', '-j', 'DROP'])
+ except:
+ return 'false'
+ default_ebtables_rules()
+ allow_egress_traffic(session)
+ if not os.path.exists('/var/run/cloud'):
+ os.makedirs('/var/run/cloud')
+ if not os.path.exists('/var/cache/cloud'):
+ os.makedirs('/var/cache/cloud')
+ #get_ipset_keyword()
+
+ cleanup_rules_for_dead_vms(session)
+ cleanup_rules(session, args)
+
+ return result
+
+@echo
+def default_ebtables_rules():
+ try:
+ util.pread2(['ebtables', '-N', 'DEFAULT_EBTABLES'])
+ util.pread2(['ebtables', '-A', 'FORWARD', '-j' 'DEFAULT_EBTABLES'])
+ util.pread2(['ebtables', '-A', 'DEFAULT_EBTABLES', '-p', 'IPv4', '--ip-dst', '255.255.255.255', '--ip-proto', 'udp', '--ip-dport', '67', '-j', 'ACCEPT'])
+ util.pread2(['ebtables', '-A', 'DEFAULT_EBTABLES', '-p', 'ARP', '--arp-op', 'Request', '-j', 'ACCEPT'])
+ util.pread2(['ebtables', '-A', 'DEFAULT_EBTABLES', '-p', 'ARP', '--arp-op', 'Reply', '-j', 'ACCEPT'])
+ # deny mac broadcast and multicast
+ util.pread2(['ebtables', '-A', 'DEFAULT_EBTABLES', '-p', 'IPv4', '-d', 'Broadcast', '-j', 'DROP'])
+ util.pread2(['ebtables', '-A', 'DEFAULT_EBTABLES', '-p', 'IPv4', '-d', 'Multicast', '-j', 'DROP'])
+ # deny ip broadcast and multicast
+ util.pread2(['ebtables', '-A', 'DEFAULT_EBTABLES', '-p', 'IPv4', '--ip-dst', '255.255.255.255', '-j', 'DROP'])
+ util.pread2(['ebtables', '-A', 'DEFAULT_EBTABLES', '-p', 'IPv4', '--ip-dst', '224.0.0.0/4', '-j', 'DROP'])
+ util.pread2(['ebtables', '-A', 'DEFAULT_EBTABLES', '-p', 'IPv4', '-j', 'RETURN'])
+ # deny ipv6
+ util.pread2(['ebtables', '-A', 'DEFAULT_EBTABLES', '-p', 'IPv6', '-j', 'DROP'])
+ # deny vlan
+ util.pread2(['ebtables', '-A', 'DEFAULT_EBTABLES', '-p', '802_1Q', '-j', 'DROP'])
+ # deny all others (e.g., 802.1d, CDP)
+ util.pread2(['ebtables', '-A', 'DEFAULT_EBTABLES', '-j', 'DROP'])
+ except:
+ util.SMlog('Chain DEFAULT_EBTABLES already exists')
+
+
+@echo
+def allow_egress_traffic(session):
+ devs = []
+ for pif in session.xenapi.PIF.get_all():
+ pif_rec = session.xenapi.PIF.get_record(pif)
+ vlan = pif_rec.get('VLAN')
+ dev = pif_rec.get('device')
+ if vlan == '-1':
+ devs.append(dev)
+ else:
+ devs.append(dev + "." + vlan)
+ for d in devs:
+ try:
+ util.pread2(['/bin/bash', '-c', "iptables -n -L FORWARD | grep '%s '" % d])
+ except:
+ try:
+ util.pread2(['iptables', '-I', 'FORWARD', '2', '-m', 'physdev', '--physdev-is-bridged', '--physdev-out', d, '-j', 'ACCEPT'])
+ except:
+ util.SMlog("Failed to add FORWARD rule through to %s" % d)
+ return 'false'
+ return 'true'
+
+
+def ipset(ipsetname, proto, start, end, ips):
+ try:
+ util.pread2(['ipset', '-N', ipsetname, 'iptreemap'])
+ except:
+ util.SMlog("ipset chain already exists" + ipsetname)
+
+ result = True
+ ipsettmp = ''.join(''.join(ipsetname.split('-')).split('_')) + str(int(time.time()) % 1000)
+
+ try:
+ util.pread2(['ipset', '-N', ipsettmp, 'iptreemap'])
+ except:
+ util.SMlog("Failed to create temp ipset, reusing old name= " + ipsettmp)
+ try:
+ util.pread2(['ipset', '-F', ipsettmp])
+ except:
+ util.SMlog("Failed to clear old temp ipset name=" + ipsettmp)
+ return False
+
+ try:
+ for ip in ips:
+ try:
+ util.pread2(['ipset', '-A', ipsettmp, ip])
+ except CommandException, cex:
+ if cex.reason.rfind('already in set') == -1:
+ raise
+ except:
+ util.SMlog("Failed to program ipset " + ipsetname)
+ util.pread2(['ipset', '-F', ipsettmp])
+ util.pread2(['ipset', '-X', ipsettmp])
+ return False
+
+ try:
+ util.pread2(['ipset', '-W', ipsettmp, ipsetname])
+ except:
+ util.SMlog("Failed to swap ipset " + ipsetname)
+ result = False
+
+ try:
+ util.pread2(['ipset', '-F', ipsettmp])
+ util.pread2(['ipset', '-X', ipsettmp])
+ except:
+ # if the temporary name clashes next time we'll just reuse it
+ util.SMlog("Failed to delete temp ipset " + ipsettmp)
+
+ return result
+
+@echo
+def destroy_network_rules_for_vm(session, args):
+ vm_name = args.pop('vmName')
+ vmchain = chain_name(vm_name)
+ vmchain_egress = egress_chain_name(vm_name)
+ vmchain_default = chain_name_def(vm_name)
+
+ delete_rules_for_vm_in_bridge_firewall_chain(vm_name)
+ if vm_name.startswith('i-') or vm_name.startswith('r-') or vm_name.startswith('l-'):
+ try:
+ util.pread2(['iptables', '-F', vmchain_default])
+ util.pread2(['iptables', '-X', vmchain_default])
+ except:
+ util.SMlog("Ignoring failure to delete chain " + vmchain_default)
+
+ destroy_ebtables_rules(vmchain)
+
+ try:
+ util.pread2(['iptables', '-F', vmchain])
+ util.pread2(['iptables', '-X', vmchain])
+ except:
+ util.SMlog("Ignoring failure to delete ingress chain " + vmchain)
+
+
+ try:
+ util.pread2(['iptables', '-F', vmchain_egress])
+ util.pread2(['iptables', '-X', vmchain_egress])
+ except:
+ util.SMlog("Ignoring failure to delete egress chain " + vmchain_egress)
+
+ remove_rule_log_for_vm(vm_name)
+
+ if 1 in [ vm_name.startswith(c) for c in ['r-', 's-', 'v-', 'l-'] ]:
+ return 'true'
+
+ try:
+ setscmd = "ipset --save | grep " + vmchain + " | grep '^-N' | awk '{print $2}'"
+ setsforvm = util.pread2(['/bin/bash', '-c', setscmd]).split('\n')
+ for set in setsforvm:
+ if set != '':
+ util.pread2(['ipset', '-F', set])
+ util.pread2(['ipset', '-X', set])
+ except:
+ util.SMlog("Failed to destroy ipsets for %" % vm_name)
+
+
+ return 'true'
+
+@echo
+def destroy_ebtables_rules(vm_chain):
+
+ delcmd = "ebtables-save | grep " + vm_chain + " | sed 's/-A/-D/'"
+ delcmds = util.pread2(['/bin/bash', '-c', delcmd]).split('\n')
+ delcmds.pop()
+ for cmd in delcmds:
+ try:
+ dc = cmd.split(' ')
+ dc.insert(0, 'ebtables')
+ util.pread2(dc)
+ except:
+ util.SMlog("Ignoring failure to delete ebtables rules for vm " + vm_chain)
+ try:
+ util.pread2(['ebtables', '-F', vm_chain])
+ util.pread2(['ebtables', '-X', vm_chain])
+ except:
+ util.SMlog("Ignoring failure to delete ebtables chain for vm " + vm_chain)
+
+@echo
+def destroy_arptables_rules(vm_chain):
+ delcmd = "arptables -vL FORWARD | grep " + vm_chain + " | sed 's/-i any//' | sed 's/-o any//' | awk '{print $1,$2,$3,$4}' "
+ delcmds = util.pread2(['/bin/bash', '-c', delcmd]).split('\n')
+ delcmds.pop()
+ for cmd in delcmds:
+ try:
+ dc = cmd.split(' ')
+ dc.insert(0, 'arptables')
+ dc.insert(1, '-D')
+ dc.insert(2, 'FORWARD')
+ util.pread2(dc)
+ except:
+ util.SMlog("Ignoring failure to delete arptables rules for vm " + vm_chain)
+
+ try:
+ util.pread2(['arptables', '-F', vm_chain])
+ util.pread2(['arptables', '-X', vm_chain])
+ except:
+ util.SMlog("Ignoring failure to delete arptables chain for vm " + vm_chain)
+
+@echo
+def default_ebtables_antispoof_rules(vm_chain, vifs, vm_ip, vm_mac):
+ if vm_mac == 'ff:ff:ff:ff:ff:ff':
+ util.SMlog("Ignoring since mac address is not valid")
+ return 'true'
+
+ try:
+ util.pread2(['ebtables', '-N', vm_chain])
+ except:
+ try:
+ util.pread2(['ebtables', '-F', vm_chain])
+ except:
+ util.SMlog("Failed to create ebtables antispoof chain, skipping")
+ return 'true'
+
+ # note all rules for packets into the bridge (-i) precede all output rules (-o)
+ # always start after the first rule in the FORWARD chain that jumps to DEFAULT_EBTABLES chain
+ try:
+ for vif in vifs:
+ util.pread2(['ebtables', '-I', 'FORWARD', '2', '-i', vif, '-j', vm_chain])
+ util.pread2(['ebtables', '-A', 'FORWARD', '-o', vif, '-j', vm_chain])
+ except:
+ util.SMlog("Failed to program default ebtables FORWARD rules for %s" % vm_chain)
+ return 'false'
+
+ try:
+ for vif in vifs:
+ # only allow source mac that belongs to the vm
+ util.pread2(['ebtables', '-A', vm_chain, '-i', vif, '-s', '!', vm_mac, '-j', 'DROP'])
+ # do not allow fake dhcp responses
+ util.pread2(['ebtables', '-A', vm_chain, '-i', vif, '-p', 'IPv4', '--ip-proto', 'udp', '--ip-dport', '68', '-j', 'DROP'])
+ # do not allow snooping of dhcp requests
+ util.pread2(['ebtables', '-A', vm_chain, '-o', vif, '-p', 'IPv4', '--ip-proto', 'udp', '--ip-dport', '67', '-j', 'DROP'])
+ except:
+ util.SMlog("Failed to program default ebtables antispoof rules for %s" % vm_chain)
+ return 'false'
+
+ return 'true'
+
+@echo
+def default_arp_antispoof(vm_chain, vifs, vm_ip, vm_mac):
+ if vm_mac == 'ff:ff:ff:ff:ff:ff':
+ util.SMlog("Ignoring since mac address is not valid")
+ return 'true'
+
+ try:
+ util.pread2(['arptables', '-N', vm_chain])
+ except:
+ try:
+ util.pread2(['arptables', '-F', vm_chain])
+ except:
+ util.SMlog("Failed to create arptables rule, skipping")
+ return 'true'
+
+ # note all rules for packets into the bridge (-i) precede all output rules (-o)
+ try:
+ for vif in vifs:
+ util.pread2(['arptables', '-I', 'FORWARD', '-i', vif, '-j', vm_chain])
+ util.pread2(['arptables', '-A', 'FORWARD', '-o', vif, '-j', vm_chain])
+ except:
+ util.SMlog("Failed to program default arptables rules in FORWARD chain vm=" + vm_chain)
+ return 'false'
+
+ try:
+ for vif in vifs:
+ #accept arp replies into the bridge as long as the source mac and ips match the vm
+ util.pread2(['arptables', '-A', vm_chain, '-i', vif, '--opcode', 'Reply', '--source-mac', vm_mac, '--source-ip', vm_ip, '-j', 'ACCEPT'])
+ #accept any arp requests from this vm. In the future this can be restricted to deny attacks on hosts
+ #also important to restrict source ip and src mac in these requests as they can be used to update arp tables on destination
+ util.pread2(['arptables', '-A', vm_chain, '-i', vif, '--opcode', 'Request', '--source-mac', vm_mac, '--source-ip', vm_ip, '-j', 'RETURN'])
+ #accept any arp requests to this vm as long as the request is for this vm's ip
+ util.pread2(['arptables', '-A', vm_chain, '-o', vif, '--opcode', 'Request', '--destination-ip', vm_ip, '-j', 'ACCEPT'])
+ #accept any arp replies to this vm as long as the mac and ip matches
+ util.pread2(['arptables', '-A', vm_chain, '-o', vif, '--opcode', 'Reply', '--destination-mac', vm_mac, '--destination-ip', vm_ip, '-j', 'ACCEPT'])
+ util.pread2(['arptables', '-A', vm_chain, '-j', 'DROP'])
+
+ except:
+ util.SMlog("Failed to program default arptables rules")
+ return 'false'
+
+ return 'true'
+
+@echo
+def default_network_rules_systemvm(session, args):
+ vm_name = args.pop('vmName')
+ try:
+ vm = session.xenapi.VM.get_by_name_label(vm_name)
+ if len(vm) != 1:
+ return 'false'
+ vm_rec = session.xenapi.VM.get_record(vm[0])
+ vm_vifs = vm_rec.get('VIFs')
+ vifnums = [session.xenapi.VIF.get_record(vif).get('device') for vif in vm_vifs]
+ domid = vm_rec.get('domid')
+ except:
+ util.SMlog("### Failed to get domid or vif list for vm ##" + vm_name)
+ return 'false'
+
+ if domid == '-1':
+ util.SMlog("### Failed to get domid for vm (-1): " + vm_name)
+ return 'false'
+
+ vifs = ["vif" + domid + "." + v for v in vifnums]
+ #vm_name = '-'.join(vm_name.split('-')[:-1])
+ vmchain = chain_name(vm_name)
+
+
+ delete_rules_for_vm_in_bridge_firewall_chain(vm_name)
+
+ try:
+ util.pread2(['iptables', '-N', vmchain])
+ except:
+ util.pread2(['iptables', '-F', vmchain])
+
+ allow_egress_traffic(session)
+
+ for vif in vifs:
+ try:
+ util.pread2(['iptables', '-A', 'BRIDGE-FIREWALL', '-m', 'physdev', '--physdev-is-bridged', '--physdev-out', vif, '-j', vmchain])
+ util.pread2(['iptables', '-I', 'BRIDGE-FIREWALL', '4', '-m', 'physdev', '--physdev-is-bridged', '--physdev-in', vif, '-j', vmchain])
+ util.pread2(['iptables', '-I', vmchain, '-m', 'physdev', '--physdev-is-bridged', '--physdev-in', vif, '-j', 'RETURN'])
+ except:
+ util.SMlog("Failed to program default rules")
+ return 'false'
+
+
+ util.pread2(['iptables', '-A', vmchain, '-j', 'ACCEPT'])
+
+ if write_rule_log_for_vm(vm_name, '-1', '_ignore_', domid, '_initial_', '-1') == False:
+ util.SMlog("Failed to log default network rules for systemvm, ignoring")
+ return 'true'
+
+
+@echo
+def default_network_rules(session, args):
+ vm_name = args.pop('vmName')
+ vm_ip = args.pop('vmIP')
+ vm_id = args.pop('vmID')
+ vm_mac = args.pop('vmMAC')
+
+ try:
+ vm = session.xenapi.VM.get_by_name_label(vm_name)
+ if len(vm) != 1:
+ util.SMlog("### Failed to get record for vm " + vm_name)
+ return 'false'
+ vm_rec = session.xenapi.VM.get_record(vm[0])
+ domid = vm_rec.get('domid')
+ except:
+ util.SMlog("### Failed to get domid for vm " + vm_name)
+ return 'false'
+ if domid == '-1':
+ util.SMlog("### Failed to get domid for vm (-1): " + vm_name)
+ return 'false'
+
+ vif = "vif" + domid + ".0"
+ tap = "tap" + domid + ".0"
+ vifs = [vif]
+ try:
+ util.pread2(['ifconfig', tap])
+ vifs.append(tap)
+ except:
+ pass
+
+ delete_rules_for_vm_in_bridge_firewall_chain(vm_name)
+
+
+ vmchain = chain_name(vm_name)
+ vmchain_egress = egress_chain_name(vm_name)
+ vmchain_default = chain_name_def(vm_name)
+
+ destroy_ebtables_rules(vmchain)
+
+
+ try:
+ util.pread2(['iptables', '-N', vmchain])
+ except:
+ util.pread2(['iptables', '-F', vmchain])
+
+ try:
+ util.pread2(['iptables', '-N', vmchain_egress])
+ except:
+ util.pread2(['iptables', '-F', vmchain_egress])
+
+ try:
+ util.pread2(['iptables', '-N', vmchain_default])
+ except:
+ util.pread2(['iptables', '-F', vmchain_default])
+
+ try:
+ for v in vifs:
+ util.pread2(['iptables', '-A', 'BRIDGE-FIREWALL', '-m', 'physdev', '--physdev-is-bridged', '--physdev-out', v, '-j', vmchain_default])
+ util.pread2(['iptables', '-I', 'BRIDGE-FIREWALL', '2', '-m', 'physdev', '--physdev-is-bridged', '--physdev-in', v, '-j', vmchain_default])
+ util.pread2(['iptables', '-A', vmchain_default, '-m', 'state', '--state', 'RELATED,ESTABLISHED', '-j', 'ACCEPT'])
+ #allow dhcp
+ for v in vifs:
+ util.pread2(['iptables', '-A', vmchain_default, '-m', 'physdev', '--physdev-is-bridged', '--physdev-in', v, '-p', 'udp', '--dport', '67', '--sport', '68', '-j', 'ACCEPT'])
+ util.pread2(['iptables', '-A', vmchain_default, '-m', 'physdev', '--physdev-is-bridged', '--physdev-out', v, '-p', 'udp', '--dport', '68', '--sport', '67', '-j', 'ACCEPT'])
+
+ #don't let vm spoof its ip address
+ for v in vifs:
+ util.pread2(['iptables', '-A', vmchain_default, '-m', 'physdev', '--physdev-is-bridged', '--physdev-in', v, '--source', vm_ip,'-p', 'udp', '--dport', '53', '-j', 'RETURN'])
+ util.pread2(['iptables', '-A', vmchain_default, '-m', 'physdev', '--physdev-is-bridged', '--physdev-in', v, '--source', '!', vm_ip, '-j', 'DROP'])
+ util.pread2(['iptables', '-A', vmchain_default, '-m', 'physdev', '--physdev-is-bridged', '--physdev-out', v, '--destination', '!', vm_ip, '-j', 'DROP'])
+ util.pread2(['iptables', '-A', vmchain_default, '-m', 'physdev', '--physdev-is-bridged', '--physdev-in', v, '--source', vm_ip, '-j', vmchain_egress])
+
+ for v in vifs:
+ util.pread2(['iptables', '-A', vmchain_default, '-m', 'physdev', '--physdev-is-bridged', '--physdev-out', v, '-j', vmchain])
+ except:
+ util.SMlog("Failed to program default rules for vm " + vm_name)
+ return 'false'
+
+ default_arp_antispoof(vmchain, vifs, vm_ip, vm_mac)
+ default_ebtables_antispoof_rules(vmchain, vifs, vm_ip, vm_mac)
+
+ if write_rule_log_for_vm(vm_name, vm_id, vm_ip, domid, '_initial_', '-1', vm_mac) == False:
+ util.SMlog("Failed to log default network rules, ignoring")
+
+ util.SMlog("Programmed default rules for vm " + vm_name)
+ return 'true'
+
+@echo
+def check_domid_changed(session, vmName):
+ curr_domid = '-1'
+ try:
+ vm = session.xenapi.VM.get_by_name_label(vmName)
+ if len(vm) != 1:
+ util.SMlog("### Could not get record for vm ## " + vmName)
+ else:
+ vm_rec = session.xenapi.VM.get_record(vm[0])
+ curr_domid = vm_rec.get('domid')
+ except:
+ util.SMlog("### Failed to get domid for vm ## " + vmName)
+
+
+ logfilename = "/var/run/cloud/" + vmName +".log"
+ if not os.path.exists(logfilename):
+ return ['-1', curr_domid]
+
+ lines = (line.rstrip() for line in open(logfilename))
+
+ [_vmName,_vmID,_vmIP,old_domid,_signature,_seqno, _vmMac] = ['_', '-1', '_', '-1', '_', '-1', 'ff:ff:ff:ff:ff:ff']
+ for line in lines:
+ try:
+ [_vmName,_vmID,_vmIP,old_domid,_signature,_seqno,_vmMac] = line.split(',')
+ except ValueError,v:
+ [_vmName,_vmID,_vmIP,old_domid,_signature,_seqno] = line.split(',')
+ break
+
+ return [curr_domid, old_domid]
+
+@echo
+def delete_rules_for_vm_in_bridge_firewall_chain(vmName):
+ vm_name = vmName
+ vmchain = chain_name_def(vm_name)
+
+ delcmd = "iptables-save | grep '\-A BRIDGE-FIREWALL' | grep " + vmchain + " | sed 's/-A/-D/'"
+ delcmds = util.pread2(['/bin/bash', '-c', delcmd]).split('\n')
+ delcmds.pop()
+ for cmd in delcmds:
+ try:
+ dc = cmd.split(' ')
+ dc.insert(0, 'iptables')
+ dc.pop()
+ util.pread2(filter(None, dc))
+ except:
+ util.SMlog("Ignoring failure to delete rules for vm " + vmName)
+
+
+@echo
+def network_rules_for_rebooted_vm(session, vmName):
+ vm_name = vmName
+ [curr_domid, old_domid] = check_domid_changed(session, vm_name)
+
+ if curr_domid == old_domid:
+ return True
+
+ if old_domid == '-1':
+ return True
+
+ if curr_domid == '-1':
+ return True
+
+ util.SMlog("Found a rebooted VM -- reprogramming rules for " + vm_name)
+
+ delete_rules_for_vm_in_bridge_firewall_chain(vm_name)
+ if 1 in [ vm_name.startswith(c) for c in ['r-', 's-', 'v-', 'l-'] ]:
+ default_network_rules_systemvm(session, {"vmName":vm_name})
+ return True
+
+ vif = "vif" + curr_domid + ".0"
+ tap = "tap" + curr_domid + ".0"
+ vifs = [vif]
+ try:
+ util.pread2(['ifconfig', tap])
+ vifs.append(tap)
+ except:
+ pass
+ vmchain = chain_name(vm_name)
+ vmchain_default = chain_name_def(vm_name)
+
+ for v in vifs:
+ util.pread2(['iptables', '-A', 'BRIDGE-FIREWALL', '-m', 'physdev', '--physdev-is-bridged', '--physdev-out', v, '-j', vmchain_default])
+ util.pread2(['iptables', '-I', 'BRIDGE-FIREWALL', '2', '-m', 'physdev', '--physdev-is-bridged', '--physdev-in', v, '-j', vmchain_default])
+
+ #change antispoof rule in vmchain
+ try:
+ delcmd = "iptables-save | grep '\-A " + vmchain_default + "' | grep physdev-in | sed 's/-A/-D/'"
+ delcmd2 = "iptables-save | grep '\-A " + vmchain_default + "' | grep physdev-out | sed 's/-A/-D/'"
+ inscmd = "iptables-save | grep '\-A " + vmchain_default + "' | grep physdev-in | grep vif | sed -r 's/vif[0-9]+.0/" + vif + "/' "
+ inscmd2 = "iptables-save| grep '\-A " + vmchain_default + "' | grep physdev-in | grep tap | sed -r 's/tap[0-9]+.0/" + tap + "/' "
+ inscmd3 = "iptables-save | grep '\-A " + vmchain_default + "' | grep physdev-out | grep vif | sed -r 's/vif[0-9]+.0/" + vif + "/' "
+ inscmd4 = "iptables-save| grep '\-A " + vmchain_default + "' | grep physdev-out | grep tap | sed -r 's/tap[0-9]+.0/" + tap + "/' "
+
+ ipts = []
+ for cmd in [delcmd, delcmd2, inscmd, inscmd2, inscmd3, inscmd4]:
+ cmds = util.pread2(['/bin/bash', '-c', cmd]).split('\n')
+ cmds.pop()
+ for c in cmds:
+ ipt = c.split(' ')
+ ipt.insert(0, 'iptables')
+ ipt.pop()
+ ipts.append(ipt)
+
+ for ipt in ipts:
+ try:
+ util.pread2(filter(None,ipt))
+ except:
+ util.SMlog("Failed to rewrite antispoofing rules for vm " + vm_name)
+
+ util.pread2(['/bin/bash', '-c', 'iptables -D ' + vmchain_default + " -j " + vmchain])
+ util.pread2(['/bin/bash', '-c', 'iptables -A ' + vmchain_default + " -j " + vmchain])
+ except:
+ util.SMlog("No rules found for vm " + vm_name)
+
+ destroy_ebtables_rules(vmchain)
+ destroy_arptables_rules(vmchain)
+ [vm_ip, vm_mac] = get_vm_mac_ip_from_log(vmchain)
+ default_arp_antispoof(vmchain, vifs, vm_ip, vm_mac)
+ default_ebtables_antispoof_rules(vmchain, vifs, vm_ip, vm_mac)
+ rewrite_rule_log_for_vm(vm_name, curr_domid)
+ return True
+
+def rewrite_rule_log_for_vm(vm_name, new_domid):
+ logfilename = "/var/run/cloud/" + vm_name +".log"
+ if not os.path.exists(logfilename):
+ return
+ lines = (line.rstrip() for line in open(logfilename))
+
+ [_vmName,_vmID,_vmIP,_domID,_signature,_seqno,_vmMac] = ['_', '-1', '_', '-1', '_', '-1','ff:ff:ff:ff:ff:ff']
+ for line in lines:
+ try:
+ [_vmName,_vmID,_vmIP,_domID,_signature,_seqno,_vmMac] = line.split(',')
+ break
+ except ValueError,v:
+ [_vmName,_vmID,_vmIP,_domID,_signature,_seqno] = line.split(',')
+
+ write_rule_log_for_vm(_vmName, _vmID, _vmIP, new_domid, _signature, '-1', _vmMac)
+
+def get_rule_log_for_vm(session, vmName):
+ vm_name = vmName;
+ logfilename = "/var/run/cloud/" + vm_name +".log"
+ if not os.path.exists(logfilename):
+ return ''
+
+ lines = (line.rstrip() for line in open(logfilename))
+
+ [_vmName,_vmID,_vmIP,_domID,_signature,_seqno,_vmMac] = ['_', '-1', '_', '-1', '_', '-1', 'ff:ff:ff:ff:ff:ff']
+ for line in lines:
+ try:
+ [_vmName,_vmID,_vmIP,_domID,_signature,_seqno,_vmMac] = line.split(',')
+ break
+ except ValueError,v:
+ [_vmName,_vmID,_vmIP,_domID,_signature,_seqno] = line.split(',')
+
+ return ','.join([_vmName, _vmID, _vmIP, _domID, _signature, _seqno])
+
+@echo
+def get_vm_mac_ip_from_log(vm_name):
+ [_vmName,_vmID,_vmIP,_domID,_signature,_seqno,_vmMac] = ['_', '-1', '0.0.0.0', '-1', '_', '-1','ff:ff:ff:ff:ff:ff']
+ logfilename = "/var/run/cloud/" + vm_name +".log"
+ if not os.path.exists(logfilename):
+ return ['_', '_']
+
+ lines = (line.rstrip() for line in open(logfilename))
+ for line in lines:
+ try:
+ [_vmName,_vmID,_vmIP,_domID,_signature,_seqno,_vmMac] = line.split(',')
+ break
+ except ValueError,v:
+ [_vmName,_vmID,_vmIP,_domID,_signature,_seqno] = line.split(',')
+
+ return [ _vmIP, _vmMac]
+
+@echo
+def get_rule_logs_for_vms(session, args):
+ host_uuid = args.pop('host_uuid')
+ try:
+ thishost = session.xenapi.host.get_by_uuid(host_uuid)
+ hostrec = session.xenapi.host.get_record(thishost)
+ vms = hostrec.get('resident_VMs')
+ except:
+ util.SMlog("Failed to get host from uuid " + host_uuid)
+ return ' '
+
+ result = []
+ try:
+ for name in [session.xenapi.VM.get_name_label(x) for x in vms]:
+ if 1 not in [ name.startswith(c) for c in ['r-', 's-', 'v-', 'i-', 'l-'] ]:
+ continue
+ network_rules_for_rebooted_vm(session, name)
+ if name.startswith('i-'):
+ log = get_rule_log_for_vm(session, name)
+ result.append(log)
+ except:
+ util.SMlog("Failed to get rule logs, better luck next time!")
+
+ return ";".join(result)
+
+@echo
+def cleanup_rules_for_dead_vms(session):
+ try:
+ vms = session.xenapi.VM.get_all()
+ cleaned = 0
+ for vm_name in [session.xenapi.VM.get_name_label(x) for x in vms]:
+ if 1 in [ vm_name.startswith(c) for c in ['r-', 'i-', 's-', 'v-', 'l-'] ]:
+ vm = session.xenapi.VM.get_by_name_label(vm_name)
+ if len(vm) != 1:
+ continue
+ vm_rec = session.xenapi.VM.get_record(vm[0])
+ state = vm_rec.get('power_state')
+ if state != 'Running' and state != 'Paused':
+ util.SMlog("vm " + vm_name + " is not running, cleaning up")
+ destroy_network_rules_for_vm(session, {'vmName':vm_name})
+ cleaned = cleaned+1
+
+ util.SMlog("Cleaned up rules for " + str(cleaned) + " vms")
+ except:
+ util.SMlog("Failed to cleanup rules for dead vms!")
+
+
+@echo
+def cleanup_rules(session, args):
+ instance = args.get('instance')
+ if not instance:
+ instance = 'VM'
+ resident_vms = []
+ try:
+ hostname = util.pread2(['/bin/bash', '-c', 'hostname']).split('\n')
+ if len(hostname) < 1:
+ raise Exception('Could not find hostname of this host')
+ thishost = session.xenapi.host.get_by_name_label(hostname[0])
+ if len(thishost) < 1:
+ raise Exception("Could not find host record from hostname %s of this host"%hostname[0])
+ hostrec = session.xenapi.host.get_record(thishost[0])
+ vms = hostrec.get('resident_VMs')
+ resident_vms = [session.xenapi.VM.get_name_label(x) for x in vms]
+ util.SMlog('cleanup_rules: found %s resident vms on this host %s' % (len(resident_vms)-1, hostname[0]))
+
+ chainscmd = "iptables-save | grep '^:' | awk '{print $1}' | cut -d':' -f2 | sed 's/-def/-%s/'| sed 's/-eg//' | sort|uniq" % instance
+ chains = util.pread2(['/bin/bash', '-c', chainscmd]).split('\n')
+ vmchains = [ch for ch in chains if 1 in [ ch.startswith(c) for c in ['r-', 'i-', 's-', 'v-', 'l-']]]
+ util.SMlog('cleanup_rules: found %s iptables chains for vms on this host %s' % (len(vmchains), hostname[0]))
+ cleaned = 0
+ cleanup = []
+ for chain in vmchains:
+ vm = session.xenapi.VM.get_by_name_label(chain)
+ if len(vm) != 1:
+ vm = session.xenapi.VM.get_by_name_label(chain + "-untagged")
+ if len(vm) != 1:
+ util.SMlog("chain " + chain + " does not correspond to a vm, cleaning up")
+ cleanup.append(chain)
+ continue
+ if chain not in resident_vms:
+ util.SMlog("vm " + chain + " is not running, cleaning up")
+ cleanup.append(chain)
+
+ for vm_name in cleanup:
+ destroy_network_rules_for_vm(session, {'vmName':vm_name})
+
+ util.SMlog("Cleaned up rules for " + str(len(cleanup)) + " chains")
+ return str(len(cleanup))
+ except Exception, ex:
+ util.SMlog("Failed to cleanup rules, reason= " + str(ex))
+ return '-1';
+
+@echo
+def check_rule_log_for_vm(vmName, vmID, vmIP, domID, signature, seqno):
+ vm_name = vmName;
+ logfilename = "/var/run/cloud/" + vm_name +".log"
+ if not os.path.exists(logfilename):
+ util.SMlog("Failed to find logfile %s" %logfilename)
+ return [True, True, True]
+
+ lines = (line.rstrip() for line in open(logfilename))
+
+ [_vmName,_vmID,_vmIP,_domID,_signature,_seqno,_vmMac] = ['_', '-1', '_', '-1', '_', '-1', 'ff:ff:ff:ff:ff:ff']
+ try:
+ for line in lines:
+ try:
+ [_vmName,_vmID,_vmIP,_domID,_signature,_seqno, _vmMac] = line.split(',')
+ except ValueError,v:
+ [_vmName,_vmID,_vmIP,_domID,_signature,_seqno] = line.split(',')
+ break
+ except:
+ util.SMlog("Failed to parse log file for vm " + vmName)
+ remove_rule_log_for_vm(vmName)
+ return [True, True, True]
+
+ reprogramDefault = False
+ if (domID != _domID) or (vmID != _vmID) or (vmIP != _vmIP):
+ util.SMlog("Change in default info set of vm %s" % vmName)
+ return [True, True, True]
+ else:
+ util.SMlog("No change in default info set of vm %s" % vmName)
+
+ reprogramChain = False
+ rewriteLog = True
+ if (int(seqno) > int(_seqno)):
+ if (_signature != signature):
+ reprogramChain = True
+ util.SMlog("Seqno increased from %s to %s: reprogamming "\
+ "ingress rules for vm %s" % (_seqno, seqno, vmName))
+ else:
+ util.SMlog("Seqno increased from %s to %s: but no change "\
+ "in signature for vm: skip programming ingress "\
+ "rules %s" % (_seqno, seqno, vmName))
+ elif (int(seqno) < int(_seqno)):
+ util.SMlog("Seqno decreased from %s to %s: ignoring these "\
+ "ingress rules for vm %s" % (_seqno, seqno, vmName))
+ rewriteLog = False
+ elif (signature != _signature):
+ util.SMlog("Seqno %s stayed the same but signature changed from "\
+ "%s to %s for vm %s" % (seqno, _signature, signature, vmName))
+ rewriteLog = True
+ reprogramChain = True
+ else:
+ util.SMlog("Seqno and signature stayed the same: %s : ignoring these "\
+ "ingress rules for vm %s" % (seqno, vmName))
+ rewriteLog = False
+
+ return [reprogramDefault, reprogramChain, rewriteLog]
+
+
+@echo
+def write_rule_log_for_vm(vmName, vmID, vmIP, domID, signature, seqno, vmMac='ff:ff:ff:ff:ff:ff'):
+ vm_name = vmName
+ logfilename = "/var/run/cloud/" + vm_name +".log"
+ util.SMlog("Writing log to " + logfilename)
+ logf = open(logfilename, 'w')
+ output = ','.join([vmName, vmID, vmIP, domID, signature, seqno, vmMac])
+ result = True
+ try:
+ logf.write(output)
+ logf.write('\n')
+ except:
+ util.SMlog("Failed to write to rule log file " + logfilename)
+ result = False
+
+ logf.close()
+
+ return result
+
+@echo
+def remove_rule_log_for_vm(vmName):
+ vm_name = vmName
+ logfilename = "/var/run/cloud/" + vm_name +".log"
+
+ result = True
+ try:
+ os.remove(logfilename)
+ except:
+ util.SMlog("Failed to delete rule log file " + logfilename)
+ result = False
+
+ return result
+
+@echo
+def inflate_rules (zipped):
+ return zlib.decompress(base64.b64decode(zipped))
+
+@echo
+def cache_ipset_keyword():
+ tmpname = 'ipsetqzvxtmp'
+ try:
+ util.pread2(['/bin/bash', '-c', 'ipset -N ' + tmpname + ' iptreemap'])
+ except:
+ util.pread2(['/bin/bash', '-c', 'ipset -F ' + tmpname])
+
+ try:
+ util.pread2(['/bin/bash', '-c', 'iptables -A INPUT -m set --set ' + tmpname + ' src' + ' -j ACCEPT'])
+ util.pread2(['/bin/bash', '-c', 'iptables -D INPUT -m set --set ' + tmpname + ' src' + ' -j ACCEPT'])
+ keyword = 'set'
+ except:
+ keyword = 'match-set'
+
+ try:
+ util.pread2(['/bin/bash', '-c', 'ipset -X ' + tmpname])
+ except:
+ pass
+
+ cachefile = "/var/cache/cloud/ipset.keyword"
+ util.SMlog("Writing ipset keyword to " + cachefile)
+ cachef = open(cachefile, 'w')
+ try:
+ cachef.write(keyword)
+ cachef.write('\n')
+ except:
+ util.SMlog("Failed to write to cache file " + cachef)
+
+ cachef.close()
+ return keyword
+
+@echo
+def get_ipset_keyword():
+ cachefile = "/var/cache/cloud/ipset.keyword"
+ keyword = 'match-set'
+
+ if not os.path.exists(cachefile):
+ util.SMlog("Failed to find ipset keyword cachefile %s" %cachefile)
+ keyword = cache_ipset_keyword()
+ else:
+ lines = (line.rstrip() for line in open(cachefile))
+ for line in lines:
+ keyword = line
+ break
+
+ return keyword
+
+@echo
+def network_rules(session, args):
+ try:
+ vm_name = args.get('vmName')
+ vm_ip = args.get('vmIP')
+ vm_id = args.get('vmID')
+ vm_mac = args.get('vmMAC')
+ signature = args.pop('signature')
+ seqno = args.pop('seqno')
+ deflated = 'false'
+ if 'deflated' in args:
+ deflated = args.pop('deflated')
+
+ try:
+ vm = session.xenapi.VM.get_by_name_label(vm_name)
+ if len(vm) != 1:
+ util.SMlog("### Could not get record for vm ## " + vm_name)
+ return 'false'
+ vm_rec = session.xenapi.VM.get_record(vm[0])
+ domid = vm_rec.get('domid')
+ except:
+ util.SMlog("### Failed to get domid for vm ## " + vm_name)
+ return 'false'
+ if domid == '-1':
+ util.SMlog("### Failed to get domid for vm (-1): " + vm_name)
+ return 'false'
+
+ vif = "vif" + domid + ".0"
+ tap = "tap" + domid + ".0"
+ vifs = [vif]
+ try:
+ util.pread2(['ifconfig', tap])
+ vifs.append(tap)
+ except:
+ pass
+
+
+ reason = 'seqno_change_or_sig_change'
+ [reprogramDefault, reprogramChain, rewriteLog] = \
+ check_rule_log_for_vm (vm_name, vm_id, vm_ip, domid, signature, seqno)
+
+ if not reprogramDefault and not reprogramChain:
+ util.SMlog("No changes detected between current state and received state")
+ reason = 'seqno_same_sig_same'
+ if rewriteLog:
+ reason = 'seqno_increased_sig_same'
+ write_rule_log_for_vm(vm_name, vm_id, vm_ip, domid, signature, seqno, vm_mac)
+ util.SMlog("Programming network rules for vm %s seqno=%s signature=%s guestIp=%s,"\
+ " do nothing, reason=%s" % (vm_name, seqno, signature, vm_ip, reason))
+ return 'true'
+
+ if not reprogramChain:
+ util.SMlog("###Not programming any ingress rules since no changes detected?")
+ return 'true'
+
+ if reprogramDefault:
+ util.SMlog("Change detected in vmId or vmIp or domId, resetting default rules")
+ default_network_rules(session, args)
+ reason = 'domid_change'
+
+ rules = args.pop('rules')
+ if deflated.lower() == 'true':
+ rules = inflate_rules (rules)
+ keyword = '--' + get_ipset_keyword()
+ lines = rules.split(' ')
+
+ util.SMlog("Programming network rules for vm %s seqno=%s numrules=%s signature=%s guestIp=%s,"\
+ " update iptables, reason=%s" % (vm_name, seqno, len(lines), signature, vm_ip, reason))
+
+ cmds = []
+ egressrules = 0
+ for line in lines:
+ tokens = line.split(':')
+ if len(tokens) != 5:
+ continue
+ type = tokens[0]
+ protocol = tokens[1]
+ start = tokens[2]
+ end = tokens[3]
+ cidrs = tokens.pop();
+ ips = cidrs.split(",")
+ ips.pop()
+ allow_any = False
+
+ if type == 'E':
+ vmchain = egress_chain_name(vm_name)
+ action = "RETURN"
+ direction = "dst"
+ egressrules = egressrules + 1
+ else:
+ vmchain = chain_name(vm_name)
+ action = "ACCEPT"
+ direction = "src"
+ if '0.0.0.0/0' in ips:
+ i = ips.index('0.0.0.0/0')
+ del ips[i]
+ allow_any = True
+ range = start + ":" + end
+ if ips:
+ ipsetname = vmchain + "_" + protocol + "_" + start + "_" + end
+ if start == "-1":
+ ipsetname = vmchain + "_" + protocol + "_any"
+
+ if ipset(ipsetname, protocol, start, end, ips) == False:
+ util.SMlog(" failed to create ipset for rule " + str(tokens))
+
+ if protocol == 'all':
+ iptables = ['iptables', '-I', vmchain, '-m', 'state', '--state', 'NEW', '-m', 'set', keyword, ipsetname, direction, '-j', action]
+ elif protocol != 'icmp':
+ iptables = ['iptables', '-I', vmchain, '-p', protocol, '-m', protocol, '--dport', range, '-m', 'state', '--state', 'NEW', '-m', 'set', keyword, ipsetname, direction, '-j', action]
+ else:
+ range = start + "/" + end
+ if start == "-1":
+ range = "any"
+ iptables = ['iptables', '-I', vmchain, '-p', 'icmp', '--icmp-type', range, '-m', 'set', keyword, ipsetname, direction, '-j', action]
+
+ cmds.append(iptables)
+ util.SMlog(iptables)
+
+ if allow_any and protocol != 'all':
+ if protocol != 'icmp':
+ iptables = ['iptables', '-I', vmchain, '-p', protocol, '-m', protocol, '--dport', range, '-m', 'state', '--state', 'NEW', '-j', action]
+ else:
+ range = start + "/" + end
+ if start == "-1":
+ range = "any"
+ iptables = ['iptables', '-I', vmchain, '-p', 'icmp', '--icmp-type', range, '-j', action]
+ cmds.append(iptables)
+ util.SMlog(iptables)
+
+ vmchain = chain_name(vm_name)
+ util.pread2(['iptables', '-F', vmchain])
+ egress_vmchain = egress_chain_name(vm_name)
+ util.pread2(['iptables', '-F', egress_vmchain])
+
+ for cmd in cmds:
+ util.pread2(cmd)
+
+ if egressrules == 0 :
+ util.pread2(['iptables', '-A', egress_vmchain, '-j', 'RETURN'])
+ else:
+ util.pread2(['iptables', '-A', egress_vmchain, '-j', 'DROP'])
+
+ util.pread2(['iptables', '-A', vmchain, '-j', 'DROP'])
+
+ if write_rule_log_for_vm(vm_name, vm_id, vm_ip, domid, signature, seqno, vm_mac) == False:
+ return 'false'
+
+ return 'true'
+ except:
+ util.SMlog("Failed to network rule !")
+
+@echo
+def checkRouter(session, args):
+ sargs = args['args']
+ cmd = sargs.split(' ')
+ cmd.insert(0, "/usr/lib/cloud/bin/getRouterStatus.sh")
+ cmd.insert(0, "/bin/bash")
+ try:
+ txt = util.pread2(cmd)
+ except:
+ util.SMlog(" check router status fail! ")
+ txt = ''
+
+ return txt
+
+@echo
+def bumpUpPriority(session, args):
+ sargs = args['args']
+ cmd = sargs.split(' ')
+ cmd.insert(0, "/usr/lib/cloud/bin/bumpUpPriority.sh")
+ cmd.insert(0, "/bin/bash")
+ try:
+ txt = util.pread2(cmd)
+ txt = 'success'
+ except:
+ util.SMlog("bump up priority fail! ")
+ txt = ''
+
+ return txt
+
+@echo
+def setDNATRule(session, args):
+ add = args["add"]
+ if add == "false":
+ util.pread2(["iptables", "-t", "nat", "-F"])
+ else:
+ ip = args["ip"]
+ port = args["port"]
+ util.pread2(["iptables", "-t", "nat", "-F"])
+ util.pread2(["iptables", "-t", "nat", "-A", "PREROUTING", "-i", "xenbr0", "-p", "tcp", "--dport", port, "-m", "state", "--state", "NEW", "-j", "DNAT", "--to-destination", ip +":443"])
+ return ""
+
+@echo
+def createISOVHD(session, args):
+ #hack for XCP on ubuntu 12.04, as can't attach iso to a vm
+ vdis = session.xenapi.VDI.get_by_name_label("systemvm-vdi");
+ util.SMlog(vdis)
+ if len(vdis) > 0:
+ vdi_record = session.xenapi.VDI.get_record(vdis[0])
+ vdi_uuid = vdi_record['uuid']
+ return vdi_uuid
+ localsrUUid = args['uuid'];
+ sr = session.xenapi.SR.get_by_uuid(localsrUUid)
+ data = {'name_label': "systemvm-vdi",
+ 'SR': sr,
+ 'virtual_size': '50000000',
+ 'type': 'user',
+ 'sharable':False,
+ 'read_only':False,
+ 'other_config':{},
+ }
+ vdi = session.xenapi.VDI.create(data);
+ vdi_record = session.xenapi.VDI.get_record(vdi)
+
+ vdi_uuid = vdi_record['uuid']
+
+ vms = session.xenapi.VM.get_all()
+ ctrldom = None
+ for vm in vms:
+ dom0 = session.xenapi.VM.get_is_control_domain(vm)
+ if dom0 is False:
+ continue
+ else:
+ ctrldom = vm
+
+ if ctrldom is None:
+ return "Failed"
+
+ vbds = session.xenapi.VM.get_VBDs(ctrldom)
+ if len(vbds) == 0:
+ vbd = session.xenapi.VBD.create({"VDI": vdi, "VM": ctrldom, "type":"Disk", "device": "xvda4", "bootable": False, "mode": "RW", "userdevice": "4", "empty":False,
+ "other_config":{}, "qos_algorithm_type":"", "qos_algorithm_params":{}})
+ else:
+ vbd = vbds[0]
+
+ vbdr = session.xenapi.VBD.get_record(vbd)
+ if session.xenapi.VBD.get_currently_attached(vbd) is False:
+ session.xenapi.VBD.plug(vbd)
+ vbdr = session.xenapi.VBD.get_record(vbd)
+ util.pread2(["dd", "if=/usr/share/xcp/packages/iso/systemvm.iso", "of=" + "/dev/" + vbdr["device"]])
+ session.xenapi.VBD.unplug(vbd)
+ session.xenapi.VBD.destroy(vbd)
+ return vdi_uuid
+
+@echo
+def routerProxy(session, args):
+ sargs = args['args']
+ cmd = sargs.split(' ')
+ cmd.insert(0, "/usr/lib/cloud/bin/router_proxy.sh")
+ cmd.insert(0, "/bin/bash")
+ try:
+ txt = util.pread2(cmd)
+ if txt is None or len(txt) == 0 :
+ txt = 'success'
+ except:
+ util.SMlog("routerProxy command " + sargs + " failed " )
+ txt = ''
+
+ return txt
+
+@echo
+def getDomRVersion(session, args):
+ sargs = args['args']
+ cmd = sargs.split(' ')
+ cmd.insert(0, "/usr/lib/cloud/bin/getDomRVersion.sh")
+ cmd.insert(0, "/bin/bash")
+ try:
+ txt = util.pread2(cmd)
+ except:
+ util.SMlog(" get domR version fail! ")
+ txt = ''
+
+ return txt
+
+@echo
+def forceShutdownVM(session, args):
+ domId = args['domId']
+ try:
+ cmd = ["/usr/lib/xcp/debug/xenops", "destroy_domain", "-domid", domId]
+ txt = util.pread2(cmd)
+ except:
+ txt = '10#failed'
+ return txt
+
+
+@echo
+def create_privatetemplate_from_snapshot(session, args):
+ templatePath = args['templatePath']
+ snapshotPath = args['snapshotPath']
+ tmpltLocalDir = args['tmpltLocalDir']
+ try:
+ cmd = ["bash", "/usr/lib/cloud/bin/create_privatetemplate_from_snapshot.sh",snapshotPath, templatePath, tmpltLocalDir]
+ txt = util.pread2(cmd)
+ except:
+ txt = '10#failed'
+ return txt
+
+@echo
+def upgrade_snapshot(session, args):
+ templatePath = args['templatePath']
+ snapshotPath = args['snapshotPath']
+ try:
+ cmd = ["bash", "/usr/lib/cloud/bin/upgrate_snapshot.sh",snapshotPath, templatePath]
+ txt = util.pread2(cmd)
+ except:
+ txt = '10#failed'
+ return txt
+
+@echo
+def copy_vhd_to_secondarystorage(session, args):
+ mountpoint = args['mountpoint']
+ vdiuuid = args['vdiuuid']
+ sruuid = args['sruuid']
+ try:
+ cmd = ["bash", "/usr/lib/cloud/bin/copy_vhd_to_secondarystorage.sh", mountpoint, vdiuuid, sruuid]
+ txt = util.pread2(cmd)
+ except:
+ txt = '10#failed'
+ return txt
+
+@echo
+def copy_vhd_from_secondarystorage(session, args):
+ mountpoint = args['mountpoint']
+ sruuid = args['sruuid']
+ namelabel = args['namelabel']
+ try:
+ cmd = ["bash", "/usr/lib/cloud/bin/copy_vhd_from_secondarystorage.sh", mountpoint, sruuid, namelabel]
+ txt = util.pread2(cmd)
+ except:
+ txt = '10#failed'
+ return txt
+
+@echo
+def setup_heartbeat_sr(session, args):
+ host = args['host']
+ sr = args['sr']
+ try:
+ cmd = ["bash", "/usr/lib/cloud/bin/setup_heartbeat_sr.sh", host, sr]
+ txt = util.pread2(cmd)
+ except:
+ txt = ''
+ return txt
+
+@echo
+def setup_heartbeat_file(session, args):
+ host = args['host']
+ sr = args['sr']
+ add = args['add']
+ try:
+ cmd = ["bash", "/usr/lib/cloud/bin/setup_heartbeat_file.sh", host, sr, add]
+ txt = util.pread2(cmd)
+ except:
+ txt = ''
+ return txt
+
+@echo
+def check_heartbeat(session, args):
+ host = args['host']
+ interval = args['interval']
+ try:
+ cmd = ["bash", "/usr/lib/cloud/bin/check_heartbeat.sh", host, interval]
+ txt = util.pread2(cmd)
+ except:
+ txt=''
+ return txt
+
+
+@echo
+def heartbeat(session, args):
+ '''
+ host = args['host']
+ interval = args['interval']
+ try:
+ cmd = ["/bin/bash", "/usr/lib/cloud/bin/launch_hb.sh", host, interval]
+ txt = util.pread2(cmd)
+ except:
+ txt='fail'
+ '''
+ return '> DONE <'
+
+if __name__ == "__main__":
+ XenAPIPlugin.dispatch({"forceShutdownVM":forceShutdownVM,
+ "upgrade_snapshot":upgrade_snapshot,
+ "create_privatetemplate_from_snapshot":create_privatetemplate_from_snapshot,
+ "copy_vhd_to_secondarystorage":copy_vhd_to_secondarystorage,
+ "copy_vhd_from_secondarystorage":copy_vhd_from_secondarystorage,
+ "setup_heartbeat_sr":setup_heartbeat_sr,
+ "setup_heartbeat_file":setup_heartbeat_file,
+ "check_heartbeat":check_heartbeat,
+ "heartbeat": heartbeat,
+ "pingtest": pingtest,
+ "setup_iscsi":setup_iscsi,
+ "getgateway": getgateway, "preparemigration": preparemigration,
+ "setIptables": setIptables, "pingdomr": pingdomr, "pingxenserver": pingxenserver,
+ "ipassoc": ipassoc, "savePassword": savePassword,
+ "saveDhcpEntry": saveDhcpEntry, "setFirewallRule": setFirewallRule,
+ "setLoadBalancerRule": setLoadBalancerRule, "createFile": createFile, "deleteFile": deleteFile,
+ "networkUsage": networkUsage, "network_rules":network_rules,
+ "can_bridge_firewall":can_bridge_firewall, "default_network_rules":default_network_rules,
+ "destroy_network_rules_for_vm":destroy_network_rules_for_vm,
+ "default_network_rules_systemvm":default_network_rules_systemvm,
+ "get_rule_logs_for_vms":get_rule_logs_for_vms,
+ "setLinkLocalIP":setLinkLocalIP, "lt2p_vpn":lt2p_vpn,
+ "cleanup_rules":cleanup_rules, "checkRouter":checkRouter,
+ "bumpUpPriority":bumpUpPriority, "getDomRVersion":getDomRVersion,
+ "kill_copy_process":kill_copy_process,
+ "createISOVHD":createISOVHD,
+ "routerProxy":routerProxy,
+ "setDNATRule":setDNATRule})