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From "Wei Zhou (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CLOUDSTACK-9385) Password Server is not running on RvR
Date Sat, 28 May 2016 04:58:12 GMT

    [ https://issues.apache.org/jira/browse/CLOUDSTACK-9385?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15305177#comment-15305177
] 

Wei Zhou commented on CLOUDSTACK-9385:
--------------------------------------

[~dsclose]

suggestion:
(1)
Author:     Wei Zhou <w.zhou@tech.leaseweb.com>
AuthorDate: Wed May 4 00:15:52 2016 +0200
Commit:     Wei Zhou <w.zhou@tech.leaseweb.com>
CommitDate: Thu May 19 08:16:45 2016 +0200

    CLSTACK-895: kill passwd_server_ip processes accurately in CsPasswdSvc.stop
---
 .../debian/config/opt/cloud/bin/cs/CsApp.py        |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/systemvm/patches/debian/config/opt/cloud/bin/cs/CsApp.py b/systemvm/patches/debian/config/opt/cloud/bin/cs/CsApp.py
index 6968bb8..54f3e5f 100755
--- a/systemvm/patches/debian/config/opt/cloud/bin/cs/CsApp.py
+++ b/systemvm/patches/debian/config/opt/cloud/bin/cs/CsApp.py
@@ -69,12 +69,14 @@ class CsPasswdSvc():

     def start(self):
         proc = CsProcess(["dummy"])
-        if proc.grep("passwd_server_ip %s" % self.ip) == -1:
+        if proc.grep("passwd_server_ip %s " % self.ip) == -1:
             proc.start("/opt/cloud/bin/passwd_server_ip %s >> /var/log/cloud.log 2>&1"
% self.ip, "&")

     def stop(self):
         proc = CsProcess(["Password Service"])
-        pid = proc.grep("passwd_server_ip %s" % self.ip)
+        pid = proc.grep("passwd_server_ip %s " % self.ip)
         proc.kill(pid)
+        pid = proc.grep("passwd_server_ip.py %s$" % self.ip)
+         proc.kill(pid)
         pid = proc.grep("8080,reuseaddr,fork,crnl,bind=%s" % self.ip)
         proc.kill(pid)

> Password Server is not running on RvR
> -------------------------------------
>
>                 Key: CLOUDSTACK-9385
>                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-9385
>             Project: CloudStack
>          Issue Type: Bug
>      Security Level: Public(Anyone can view this level - this is the default.) 
>          Components: ISO, SystemVM
>    Affects Versions: 4.6.0, 4.6.1, 4.6.2, 4.7.0, 4.7.1, 4.8.0
>            Reporter: dsclose
>
> NB: I have not tested this on VPC routers.
> The cloud-passwd-srvr service fails on redundant virtual routers. This appears to only
concern redundant virtual routers. Standalone routers launch the password server successfully,
as per this bash session:
> {code:title=Standalone Router}
> root@r-3775-VM:~# ps aux | grep passwd | grep -v grep
> root      2257  0.0  0.5   9244  1328 ?        S    14:27   0:00 /bin/bash /opt/cloud/bin/passwd_server_ip
10.1.1.1 dummy
> root      2259  0.0  3.2  37276  8128 ?        S    14:27   0:00 python /opt/cloud/bin/passwd_server_ip.py
10.1.1.1
> root@r-3775-VM:~# netstat -tnlp | grep 2259
> tcp        0      0 10.1.1.1:8080           0.0.0.0:*               LISTEN      2259/python
> {code}
> However, redundant virtual routers do not exhibit this behaviour. Instead, the password
server process is running without an IP argument. No matching process is bound  to any ports:
> {code:title=Master Redundant Virtual Router}
> root@r-3776-VM:~# ps aux | grep passwd | grep -v grep
> root      5152  0.0  0.2  17684  1516 ?        S    14:38   0:00 /bin/bash /opt/cloud/bin/passwd_server_ip
None dummy
> root@r-3776-VM:~# netstat -ntlp | grep 5152
> root@r-3776-VM:~#
> {code}
> Further, an error message is being repeated in /var/log/messages:
> {code:title=/var/log/messages}
> May 24 14:53:07 r-3776-VM cloud: Password server failed with error code 1. Restarting
it...
> May 24 14:53:11 r-3776-VM cloud: Password server failed with error code 1. Restarting
it...
> May 24 14:53:14 r-3776-VM cloud: Password server failed with error code 1. Restarting
it...
> May 24 14:53:17 r-3776-VM cloud: Password server failed with error code 1. Restarting
it...
> May 24 14:53:20 r-3776-VM cloud: Password server failed with error code 1. Restarting
it...
> May 24 14:53:23 r-3776-VM cloud: Password server failed with error code 1. Restarting
it...
> May 24 14:53:26 r-3776-VM cloud: Password server failed with error code 1. Restarting
it...
> May 24 14:53:29 r-3776-VM cloud: Password server failed with error code 1. Restarting
it...
> {code}
> No process is bound to the password server port. Consequently, attempts to request a
password from the password server get rejected.
> Manually restarting the cloud-passwd-srvr resolves this issue immediately:
> {code:title=Master Redundant Virtual Router}
> root@r-3776-VM:~# service cloud-passwd-srvr restart
> Killed password server (pid=4874)
> iptables: Bad rule (does a matching rule exist in that chain?).
> Removed cloud-passwd-srvr iptables rules
> Stopped password server (pid=5152)
> iptables: Bad rule (does a matching rule exist in that chain?).
> Removed cloud-passwd-srvr iptables rules
> Added cloud-passwd-srvr iptables rules
> root@r-3776-VM:~# nohup: appending output to `nohup.out'
> root@r-3776-VM:~# ps aux | grep passwd | grep -v grep
> root     15776  0.0  0.3  19436  1576 pts/1    S    15:05   0:00 /bin/bash /opt/cloud/bin/passwd_server_ip
10.1.1.250
> root     15780  0.2  1.6  45484  8304 pts/1    S    15:05   0:00 python /opt/cloud/bin/passwd_server_ip.py
10.1.1.250
> root     15781  0.0  0.3  19436  1572 pts/1    S    15:05   0:00 /bin/bash /opt/cloud/bin/passwd_server_ip
10.1.1.1
> root     15782  0.2  1.6  49692  8396 pts/1    S    15:05   0:00 python /opt/cloud/bin/passwd_server_ip.py
10.1.1.1
> root@r-3776-VM:~# netstat -ntlp | grep 15780
> tcp        0      0 10.1.1.250:8080         0.0.0.0:*               LISTEN      15780/python
> {code}



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