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Adds ServerAliveInterval to ssh_args to prevent frozen connections

This change is adding a -o ServerAliveInterval=60 to the default
settings used by zuul builder in order to avoid random freeze of
Ansible.

References:
* https://stackoverflow.com/a/31442114/99834
* https://github.com/openstack/tripleo-quickstart/search?q=ServerAliveInterval&unscoped_q=ServerAliveInterval
* https://github.com/redhat-openstack/infrared/search?q=ServerAliveInterval&unscoped_q=ServerAliveInterval
* https://docs.ansible.com/ansible/latest/reference_appendices/config.html?highlight=ssh_args#ansible-ssh-args

Change-Id: I92509d3e3ea7bbfc7beb1352b35f5c9a9e7a6339
Related-Bug: https://bugs.launchpad.net/openstack-gate/+bug/1807940
changes/38/626138/2
Sorin Sbarnea 3 years ago
parent
commit
f9b24e6ea8
1 changed files with 1 additions and 0 deletions
  1. +1
    -0
      zuul/executor/server.py

+ 1
- 0
zuul/executor/server.py View File

@ -1663,6 +1663,7 @@ class AnsibleJob(object):
config.write('pipelining = True\n')
config.write('control_path_dir = %s\n' % self.jobdir.control_path)
ssh_args = "-o ControlMaster=auto -o ControlPersist=60s " \
"-o ServerAliveInterval=60 " \
"-o UserKnownHostsFile=%s" % self.jobdir.known_hosts
config.write('ssh_args = %s\n' % ssh_args)


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