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From "dsclose (JIRA)" <j...@apache.org>
Subject [jira] [Created] (CLOUDSTACK-9385) Password Server is not running on RvR
Date Tue, 24 May 2016 15:07:12 GMT
dsclose created CLOUDSTACK-9385:
-----------------------------------

             Summary: 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: 4.8.0, 4.7.1, 4.7.0, 4.6.2, 4.6.1, 4.6.0
            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:

```
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
```

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:

```
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:~#
```

Further, an error message is being repeated in /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...
```

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:

```
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
```



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