Rebooting the Satellite6 server causes pulp services won't start

Solution Verified - Updated

Environment

  • Red Hat Satellite or Proxy 6
  • Red Hat Enterprise Linux 7

Issue

  • having /var/lib/pulp on a NFS filesystem
  • after rebooting the server, pulp services failed to start
  • executing katello-service restart, the services start correctly

Resolution

Add to 3 systemd files /etc/systemd/system/multi-user.target.wants/pulp* prerequisite to mount /var/lib/pulp first, by adding into [Unit] section:

[Unit]
RequiresMountsFor=/var/lib/pulp

Warning: Red Hat This content is not included.discourages in using NFS for (not only) /var/lib/pulp due to latency issues.

For more KB articles/solutions related to Red Hat Satellite 6.x Pulp 2.0 Issues, please refer to the Consolidated Troubleshooting Article for Red Hat Satellite 6.x Pulp 2.0-related Issues

Root Cause

After the machine reboot, pulp services were started before NFS mounted /var/lib/pulp directory. Adding the dependency RequiresMountsFor to systemd services' files postpones pulp services start after the directories are already mounted.

Diagnostic Steps

/var/log/messages having:

Mar  9 13:03:13 satellite01 pulp: pulp.server.webservices.application:CRITICAL: The Pulp server failed to start due to the following reasons:
Mar  9 13:03:13 satellite01 pulp: pulp.server.webservices.application:ERROR:   One or more plugins failed to initialize. If a new type has been added, run pulp-manage-db to load the type into the database and restart the application. Error message: Importer puppet_importer: no type definition found for puppet_module
Mar  9 13:03:13 satellite01 pulp: pulp.server.webservices.application:ERROR: Traceback (most recent call last):
Mar  9 13:03:13 satellite01 pulp: pulp.server.webservices.application:ERROR:   File "/usr/lib/python2.7/site-packages/pulp/server/webservices/application.py", line 147, in wsgi_application
Mar  9 13:03:13 satellite01 pulp: pulp.server.webservices.application:ERROR:     _initialize_pulp()
Mar  9 13:03:13 satellite01 pulp: pulp.server.webservices.application:ERROR:   File "/usr/lib/python2.7/site-packages/pulp/server/webservices/application.py", line 94, in _initialize_pulp
Mar  9 13:03:13 satellite01 pulp: pulp.server.webservices.application:ERROR:     from pulp.server.async import app
Mar  9 13:03:13 satellite01 pulp: pulp.server.webservices.application:ERROR:   File "/usr/lib/python2.7/site-packages/pulp/server/async/app.py", line 12, in <module>
Mar  9 13:03:13 satellite01 pulp: pulp.server.webservices.application:ERROR:     initialization.initialize()
Mar  9 13:03:13 satellite01 pulp: pulp.server.webservices.application:ERROR:   File "/usr/lib/python2.7/site-packages/pulp/server/initialization.py", line 37, in initialize
Mar  9 13:03:13 satellite01 pulp: pulp.server.webservices.application:ERROR:     plugin_api.initialize()
Mar  9 13:03:13 satellite01 pulp: pulp.server.webservices.application:ERROR:   File "/usr/lib/python2.7/site-packages/pulp/plugins/loader/api.py", line 79, in initialize
Mar  9 13:03:13 satellite01 pulp: pulp.server.webservices.application:ERROR:     _validate_importers()
Mar  9 13:03:13 satellite01 pulp: pulp.server.webservices.application:ERROR:   File "/usr/lib/python2.7/site-packages/pulp/plugins/loader/api.py", line 465, in _validate_importers
Mar  9 13:03:13 satellite01 pulp: pulp.server.webservices.application:ERROR:     raise loader_exceptions.InvalidImporter(msg %% {'i': plugin_id, 't': type_})
Mar  9 13:03:13 satellite01 pulp: pulp.server.webservices.application:ERROR: InitializationException: One or more plugins failed to initialize. If a new type has been added, run pulp-manage-db to load the type into the database and restart the application. Error message: Importer puppet_importer: no type definition found for puppet_module
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