[jira] [Commented] (CLOUDSTACK-9470) [BLOCKER] Bug in SshHelper affecting interaction with vRouter in VmwareResource and HypervDirectConnectResource

["ASF GitHub Bot (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/CLOUDSTACK-9470?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15434971#comment-15434971 ] 

ASF GitHub Bot commented on CLOUDSTACK-9470:
--------------------------------------------

Github user rhtyd commented on the issue:

    https://github.com/apache/cloudstack/pull/1660
  
    Thanks, this looks interesting. I'll try to get back to you on this.


> [BLOCKER] Bug in SshHelper affecting interaction with vRouter in VmwareResource and HypervDirectConnectResource
> ---------------------------------------------------------------------------------------------------------------
>
>                 Key: CLOUDSTACK-9470
>                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-9470
>             Project: CloudStack
>          Issue Type: Improvement
>      Security Level: Public(Anyone can view this level - this is the default.) 
>          Components: VMware
>    Affects Versions: 4.10.0
>            Reporter: Nicolas Vazquez
>            Assignee: Nicolas Vazquez
>             Fix For: 4.10.0
>
>
> h2. Problem
> In a Vmware environment, running {{test_network_acl}} we examined why it was failing, it was discovered an issue on {{VmwareResource}}:
> {code:title=VmwareResource.java|borderStyle=solid}
> private int findRouterEthDeviceIndex(String domrName, String routerIp, String mac) throws Exception {
>         VmwareManager mgr = getServiceContext().getStockObject(VmwareManager.CONTEXT_STOCK_NAME);
>         s_logger.info("findRouterEthDeviceIndex. mac: " + mac);
>         // TODO : this is a temporary very inefficient solution, will refactor it later
>         Pair<Boolean, String> result = SshHelper.sshExecute(routerIp, DefaultDomRSshPort, "root", mgr.getSystemVMKeyFile(), null, "ls /proc/sys/net/ipv4/conf");
> {code}
> Command sent to router returned a pair which its first parameter was always true but second parameter sometimes it was null and sometimes the correct output for given command.
> h2. Solution
> Examining {{SshHelper}} we discovered that cases in which second parameter in result was null, didn't consume stdout properly



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