[jira] [Commented] (VCL-961) VCL may clobber custom network configurations on Linux images

["ASF subversion and git services (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/VCL-961?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15384837#comment-15384837 ] 

ASF subversion and git services commented on VCL-961:
-----------------------------------------------------

Commit 1753423 from arkurth@apache.org in branch 'vcl/trunk'
[ https://svn.apache.org/r1753423 ]

VCL-961
Added generate_ifcfg_file subroutines to Linux.pm. Updated enable_dhcp and set_static_public_address to use it.

Reworked Linux.pm::set_static_public_address to not simply overwrite the ifcfg-* file. Changed set_static_public_address to use set_default_gateway and update_resolv_conf subroutines rather than using duplicated code.

Updated Linux.pm::get_network_configuration to retrieve network bridge information and add it to the hash returned. Updated OS.pm::get_public_interface_name to check if the configuration for an interface contains a 'master' key indicating that the interface is a slave -- usually because it is bridged. If this key is set then the interface isn't considered.

Fixed some regex/parsing issues with Linux.pm::get_network_bridge_info.


VCL-970
Added code to create a route-* file in Linux.pm::set_default_gateway so that the default gateway persists across reboots. Also added code to enable_dhcp to delete an interface's route-* file.


VCL-969
Added code to Linux.pm::pre_capture to disable the 'firstboot' service if it exists.

> VCL may clobber custom network configurations on Linux images
> -------------------------------------------------------------
>
>                 Key: VCL-961
>                 URL: https://issues.apache.org/jira/browse/VCL-961
>             Project: VCL
>          Issue Type: Improvement
>          Components: vcld (backend)
>    Affects Versions: 2.4.2
>            Reporter: Andy Kurth
>            Assignee: Andy Kurth
>             Fix For: 2.5
>
>
> During image capture, vcld recreates /etc/sysconfig/network-scripts/ifcfg-eth0 and ifcfg-eth0 with a very simple DHCP configuration.  This breaks things if the image creator configured a bridged interface.
> The code should be updated to intelligently reconfigure these files when enabling DHCP, leaving a bridge intact if configured.
> Any Red Hat 6.x and earlier based image is affected including CentOS 6.x.



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