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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CLOUDSTACK-9470) [BLOCKER] Bug in SshHelper affecting interaction with vRouter in VmwareResource and HypervDirectConnectResource
Date Sun, 28 Aug 2016 14:25:21 GMT

    [ https://issues.apache.org/jira/browse/CLOUDSTACK-9470?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15443531#comment-15443531
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ASF GitHub Bot commented on CLOUDSTACK-9470:
--------------------------------------------

Github user nvazquez commented on a diff in the pull request:

    https://github.com/apache/cloudstack/pull/1660#discussion_r76532860
  
    --- Diff: utils/src/main/java/com/cloud/utils/ssh/SshHelper.java ---
    @@ -196,6 +198,9 @@ public static void scpTo(String host, int port, String user, File
pemKeyFile, St
     
                 String result = sbResult.toString();
     
    +            if (StringUtils.isBlank(result))
    +                result = IOUtils.toString(stdout);
    --- End diff --
    
    Done, thanks


> [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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