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Viewing changes to charmhelpers/contrib/openstack/utils.py

  • Committer: james.page at ubuntu
  • Date: 2015-09-23 13:52:50 UTC
  • mfrom: (81.2.1 swift-storage)
  • Revision ID: james.page@ubuntu.com-20150923135250-92ifjs3on3zd6npp
[thedac,r=james-page] Add action to manage upgrades

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charmhelpers/contrib/openstack/utils.py
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import re
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import six
 
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import traceback
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import yaml
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from charmhelpers.contrib.network import ip
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)
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from charmhelpers.core.hookenv import (
 
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    action_fail,
 
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    action_set,
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    config,
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    log as juju_log,
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    charm_dir,
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        return projects[key]
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    return None
 
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def do_action_openstack_upgrade(package, upgrade_callback, configs):
 
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    """Perform action-managed OpenStack upgrade.
 
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    Upgrades packages to the configured openstack-origin version and sets
 
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    the corresponding action status as a result.
 
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    If the charm was installed from source we cannot upgrade it.
 
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    For backwards compatibility a config flag (action-managed-upgrade) must
 
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    be set for this code to run, otherwise a full service level upgrade will
 
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    fire on config-changed.
 
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    @param package: package name for determining if upgrade available
 
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    @param upgrade_callback: function callback to charm's upgrade function
 
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    @param configs: templating object derived from OSConfigRenderer class
 
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    @return: True if upgrade successful; False if upgrade failed or skipped
 
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    """
 
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    ret = False
 
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    if git_install_requested():
 
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        action_set({'outcome': 'installed from source, skipped upgrade.'})
 
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    else:
 
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        if openstack_upgrade_available(package):
 
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            if config('action-managed-upgrade'):
 
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                juju_log('Upgrading OpenStack release')
 
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                try:
 
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                    upgrade_callback(configs=configs)
 
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                    action_set({'outcome': 'success, upgrade completed.'})
 
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                    ret = True
 
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                except:
 
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                    action_set({'outcome': 'upgrade failed, see traceback.'})
 
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                    action_set({'traceback': traceback.format_exc()})
 
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                    action_fail('do_openstack_upgrade resulted in an '
 
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                                'unexpected error')
 
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            else:
 
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                action_set({'outcome': 'action-managed-upgrade config is '
 
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                                       'False, skipped upgrade.'})
 
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        else:
 
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            action_set({'outcome': 'no upgrade available.'})
 
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    return ret