[Bug 1791671] Re: installing Nova-compute 'Rocky' not working

[Jeebitesh Kalantri]

** Description changed:

- Nova-compute shows error while starting the service and upgrade to rocky does not work 
+ Nova-compute shows error while starting the service and upgrade to rocky does not work
  root at ppit-galaxy16:~# service nova-compute status
  ΓùÅ nova-compute.service - OpenStack Compute
-    Loaded: loaded (/lib/systemd/system/nova-compute.service; enabled; vendor preset: enabled)
-    Active: inactive (dead) since Mon 2018-09-10 09:10:12 UTC; 378ms ago
-   Process: 10840 ExecStart=/etc/init.d/nova-compute systemd-start (code=exited, status=0/SUCCESS)
-  Main PID: 10840 (code=exited, status=0/SUCCESS)
+    Loaded: loaded (/lib/systemd/system/nova-compute.service; enabled; vendor preset: enabled)
+    Active: inactive (dead) since Mon 2018-09-10 09:10:12 UTC; 378ms ago
+   Process: 10840 ExecStart=/etc/init.d/nova-compute systemd-start (code=exited, status=0/SUCCESS)
+  Main PID: 10840 (code=exited, status=0/SUCCESS)
  
  Sep 10 09:10:09 ppit-galaxy16 systemd[1]: Started OpenStack Compute.
  Sep 10 09:10:12 ppit-galaxy16 nova-compute[10840]: Traceback (most recent call last):
  Sep 10 09:10:12 ppit-galaxy16 nova-compute[10840]:   File "/usr/lib/python2.7/dist-packages/eventlet/queue.py", line 118, in switch
  Sep 10 09:10:12 ppit-galaxy16 nova-compute[10840]:     self.greenlet.switch(value)
  Sep 10 09:10:12 ppit-galaxy16 nova-compute[10840]:   File "/usr/lib/python2.7/dist-packages/eventlet/greenthread.py", line 214, in main
  Sep 10 09:10:12 ppit-galaxy16 nova-compute[10840]:     result = function(*args, **kwargs)
  Sep 10 09:10:12 ppit-galaxy16 nova-compute[10840]:   File "/usr/lib/python2.7/dist-packages/oslo_service/service.py", line 732, in run_service
  Sep 10 09:10:12 ppit-galaxy16 nova-compute[10840]:     raise SystemExit(1)
  Sep 10 09:10:12 ppit-galaxy16 nova-compute[10840]: SystemExit: 1
  
  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: nova-compute (not installed)
  ProcVersionSignature: Ubuntu 4.15.0-33.36-generic 4.15.18
  Uname: Linux 4.15.0-33-generic x86_64
  ApportVersion: 2.20.9-0ubuntu7.3
  Architecture: amd64
  Date: Mon Sep 10 12:36:12 2018
  ProcEnviron:
-  TERM=xterm-256color
-  PATH=(custom, no user)
-  LANG=en_US.UTF-8
-  SHELL=/bin/bash
+  TERM=xterm-256color
+  PATH=(custom, no user)
+  LANG=en_US.UTF-8
+  SHELL=/bin/bash
  SourcePackage: nova
  UpgradeStatus: No upgrade log present (probably fresh install)
+ 
+ 
+ 
+ While installing rocky
+ root at ppit-galaxy16:~# apt-get install nova-compute
+ Reading package lists... Done
+ Building dependency tree
+ Reading state information... Done
+ Some packages could not be installed. This may mean that you have
+ requested an impossible situation or if you are using the unstable
+ distribution that some required packages have not yet been created
+ or been moved out of Incoming.
+ The following information may help to resolve the situation:
+ 
+ The following packages have unmet dependencies:
+  nova-compute : Depends: python-nova (= 2:18.0.0-0ubuntu4~cloud0) but it is not going to be installed or
+                          python3-nova (= 2:18.0.0-0ubuntu4~cloud0) but it is not going to be installed
+ E: Unable to correct problems, you have held broken packages.

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https://bugs.launchpad.net/bugs/1791671

Title:
  installing Nova-compute 'Rocky' not working

Status in nova package in Ubuntu:
  New

Bug description:
  Nova-compute shows error while starting the service and upgrade to rocky does not work
  root at ppit-galaxy16:~# service nova-compute status
  ΓùÅ nova-compute.service - OpenStack Compute
     Loaded: loaded (/lib/systemd/system/nova-compute.service; enabled; vendor preset: enabled)
     Active: inactive (dead) since Mon 2018-09-10 09:10:12 UTC; 378ms ago
    Process: 10840 ExecStart=/etc/init.d/nova-compute systemd-start (code=exited, status=0/SUCCESS)
   Main PID: 10840 (code=exited, status=0/SUCCESS)

  Sep 10 09:10:09 ppit-galaxy16 systemd[1]: Started OpenStack Compute.
  Sep 10 09:10:12 ppit-galaxy16 nova-compute[10840]: Traceback (most recent call last):
  Sep 10 09:10:12 ppit-galaxy16 nova-compute[10840]:   File "/usr/lib/python2.7/dist-packages/eventlet/queue.py", line 118, in switch
  Sep 10 09:10:12 ppit-galaxy16 nova-compute[10840]:     self.greenlet.switch(value)
  Sep 10 09:10:12 ppit-galaxy16 nova-compute[10840]:   File "/usr/lib/python2.7/dist-packages/eventlet/greenthread.py", line 214, in main
  Sep 10 09:10:12 ppit-galaxy16 nova-compute[10840]:     result = function(*args, **kwargs)
  Sep 10 09:10:12 ppit-galaxy16 nova-compute[10840]:   File "/usr/lib/python2.7/dist-packages/oslo_service/service.py", line 732, in run_service
  Sep 10 09:10:12 ppit-galaxy16 nova-compute[10840]:     raise SystemExit(1)
  Sep 10 09:10:12 ppit-galaxy16 nova-compute[10840]: SystemExit: 1

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: nova-compute (not installed)
  ProcVersionSignature: Ubuntu 4.15.0-33.36-generic 4.15.18
  Uname: Linux 4.15.0-33-generic x86_64
  ApportVersion: 2.20.9-0ubuntu7.3
  Architecture: amd64
  Date: Mon Sep 10 12:36:12 2018
  ProcEnviron:
   TERM=xterm-256color
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: nova
  UpgradeStatus: No upgrade log present (probably fresh install)


  
  While installing rocky
  root at ppit-galaxy16:~# apt-get install nova-compute
  Reading package lists... Done
  Building dependency tree
  Reading state information... Done
  Some packages could not be installed. This may mean that you have
  requested an impossible situation or if you are using the unstable
  distribution that some required packages have not yet been created
  or been moved out of Incoming.
  The following information may help to resolve the situation:

  The following packages have unmet dependencies:
   nova-compute : Depends: python-nova (= 2:18.0.0-0ubuntu4~cloud0) but it is not going to be installed or
                           python3-nova (= 2:18.0.0-0ubuntu4~cloud0) but it is not going to be installed
  E: Unable to correct problems, you have held broken packages.

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