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From "Bharat Kumar (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (CLOUDSTACK-2606) [Multiple_IP_Ranges]Syntax error in dnsmasq config file
Date Wed, 22 May 2013 05:45:20 GMT

     [ https://issues.apache.org/jira/browse/CLOUDSTACK-2606?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Bharat Kumar resolved CLOUDSTACK-2606.
--------------------------------------

    Resolution: Fixed

https://git-wip-us.apache.org/repos/asf?p=cloudstack.git;a=commit;h=79dc83d1ac055d62b70d172789a6883f29bab186
                
> [Multiple_IP_Ranges]Syntax error in dnsmasq config file
> -------------------------------------------------------
>
>                 Key: CLOUDSTACK-2606
>                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-2606
>             Project: CloudStack
>          Issue Type: Bug
>      Security Level: Public(Anyone can view this level - this is the default.) 
>          Components: Management Server
>    Affects Versions: 4.2.0
>         Environment: Latest build from master branch: CloudStack-non-OSS-MASTER-389-rhel6.3.tar.gz
>            Reporter: Sanjeev N
>            Assignee: Bharat Kumar
>            Priority: Blocker
>             Fix For: 4.2.0
>
>
> Syntax error in dnsmasq config file while deploying vm in a new subnet
> Steps to Reproduce:
> =================
> 1.Bring up CS in basic zone with xen61 server.
> 2.Add guest ip range in a different cidr compared to what was given during zone deployment.
> 3.Try to deploy vm using the ip address from new cidr
> Expected Result:
> ==============
> When CS tries to deploy guest vm with the ip from new CIDR an ip alias should be created
on domR and dnsmosq conf should be updated with new cidr info and dnsmasq should be reloaded.
> Actual Result:
> ============
> On domR ip alias was created but observed syntax error in dnsmasq.conf file due to which
dnsmosq reload failed and vm deployment also failed.
> Observations:
> ===========
> Log snippet from SMlog on xenserver:
> [11043] 2013-05-21 10:58:12.504281      ['bin/bash', '/opt/xensource/bin/createipAlias.sh',
'169.254.2.135', '18:10.147.43.132:255.255.255.192-']
> [11043] 2013-05-21 10:58:12.672381      #### VMOPS exit  createipAlias ####
> [11069] 2013-05-21 10:58:12.885267      #### VMOPS enter  createFileInDomr ####
> [11069] 2013-05-21 10:58:12.885349      ['mktemp']
> [11069] 2013-05-21 10:58:12.893460        pread SUCCESS
> [11069] 2013-05-21 10:58:12.893615      ['scp', '-P', '3922', '-q', '-o', 'StrictHostKeyChecking=no',
'-i', '/root/.ssh/id_rsa.cloud', '/tmp/tmp.wFgGq11070', 'root@169.254.2.135:/tmp/169-254-2-135.cfg']
> [11069] 2013-05-21 10:58:13.023282        pread SUCCESS
> [11069] 2013-05-21 10:58:13.023388      ['rm', '/tmp/tmp.wFgGq11070']
> [11069] 2013-05-21 10:58:13.031616        pread SUCCESS
> [11069] 2013-05-21 10:58:13.031712      #### VMOPS exit  createFileInDomr ####
> [11076] 2013-05-21 10:58:13.148401      #### VMOPS enter  configdnsmasq ####
> [11076] 2013-05-21 10:58:13.148491      ['ssh', '-p', '3922', '-q', '-o', 'StrictHostKeyChecking=no',
'-i', '/root/.ssh/id_rsa.cloud', 'root@169.254.2.135', '/root/dnsmasq.sh', '/tmp/169-254-2-135.cfg']
> [11076] 2013-05-21 10:58:13.332322      FAILED in util.pread: (rc 2) stdout: '/tmp/169-254-2-135.cfg
> Restarting DNS forwarder and DHCP server: configuration syntax check failed!
> could not configure dnsmasq
> reverting to the old config
> Restarting DNS forwarder and DHCP server: configuration syntax check failed!
> ', stderr: '+ cp /etc/dnsmasq.conf /etc/dnsmasq.conf.bak
> + echo /tmp/169-254-2-135.cfg
> + cp /tmp/169-254-2-135.cfg /etc/dnsmasq.conf
> + service dnsmasq restart
> + result=1
> + '[' 1 -ne 0 ']'
> + echo 'could not configure dnsmasq'
> + echo 'reverting to the old config'
> + cp /etc/dnsmasq.config.bak /etc/dnsmasq.conf
> cp: cannot stat `/etc/dnsmasq.config.bak': No such file or directory
> + service dnsmasq restart
> + exit 2
> '
> [11076] 2013-05-21 10:58:13.332471      failed to config dnsmasq server
> 2.Ran dnsmasq --test on dnsmasq.conf file and found syntax error 
> dhcp-option=6,10.103.128.16,10.103.128.16,*
> Syntax check on dnsmasq.conf failed because of the * at the end of the line and failed
to load the config.

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