def cluster_changed():
    unison.ssh_authorized_peers(user=rabbit.SSH_USER,
                                group='rabbit',
                                peer_interface='cluster',
                                ensure_local_user=True)
    rabbit.synchronize_service_credentials()

    if utils.is_relation_made('ha'):
        utils.juju_log('INFO',
                       'hacluster relation is present, skipping native '
                       'rabbitmq cluster config.')
        return
    l_unit_no = os.getenv('JUJU_UNIT_NAME').split('/')[1]
    r_unit_no = os.getenv('JUJU_REMOTE_UNIT').split('/')[1]
    if l_unit_no < r_unit_no:
        utils.juju_log('INFO', 'cluster_joined: Relation lesser.')
        return

    cookie = utils.relation_get('cookie')
    if cookie is None:
        utils.juju_log('INFO',
                       'cluster_joined: cookie not yet set.')
        return

    if open(rabbit.COOKIE_PATH, 'r').read().strip() == cookie:
        utils.juju_log('INFO', 'Cookie already synchronized with peer.')
    else:
        utils.juju_log('INFO', 'Synchronizing erlang cookie from peer.')
        rabbit.service('stop')
        with open(rabbit.COOKIE_PATH, 'wb') as out:
            out.write(cookie)
        rabbit.service('start')

    # cluster with other nodes
    rabbit.cluster_with()
Esempio n. 2
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def cluster_changed():
    unison.ssh_authorized_peers(user=rabbit.SSH_USER,
                                group='rabbit',
                                peer_interface='cluster',
                                ensure_local_user=True)
    rabbit.synchronize_service_credentials()

    if utils.is_relation_made('ha'):
        utils.juju_log(
            'INFO', 'hacluster relation is present, skipping native '
            'rabbitmq cluster config.')
        return
    l_unit_no = os.getenv('JUJU_UNIT_NAME').split('/')[1]
    r_unit_no = os.getenv('JUJU_REMOTE_UNIT').split('/')[1]
    if l_unit_no < r_unit_no:
        utils.juju_log('INFO', 'cluster_joined: Relation lesser.')
        return

    cookie = utils.relation_get('cookie')
    if cookie is None:
        utils.juju_log('INFO', 'cluster_joined: cookie not yet set.')
        return

    if open(rabbit.COOKIE_PATH, 'r').read().strip() == cookie:
        utils.juju_log('INFO', 'Cookie already synchronized with peer.')
    else:
        utils.juju_log('INFO', 'Synchronizing erlang cookie from peer.')
        rabbit.service('stop')
        with open(rabbit.COOKIE_PATH, 'wb') as out:
            out.write(cookie)
        rabbit.service('start')

    # cluster with other nodes
    rabbit.cluster_with()
def cluster_changed():
    if utils.is_relation_made('ha'):
        utils.juju_log('INFO',
                       'hacluster relation is present, skipping native '\
                       'rabbitmq cluster config.')
        return
    l_unit_no = os.getenv('JUJU_UNIT_NAME').split('/')[1]
    r_unit_no = os.getenv('JUJU_REMOTE_UNIT').split('/')[1]
    if l_unit_no < r_unit_no:
        utils.juju_log('INFO', 'cluster_joined: Relation lesser.')
        return

    remote_host = utils.relation_get('host')
    cookie = utils.relation_get('cookie')
    if None in [remote_host, cookie]:
        utils.juju_log('INFO',
                       'cluster_joined: remote_host|cookie not yet set.')
        return

    if open(rabbit.COOKIE_PATH, 'r').read().strip() == cookie:
        utils.juju_log('INFO', 'Cookie already synchronized with peer.')
        return

    utils.juju_log('INFO', 'Synchronizing erlang cookie from peer.')
    rabbit.service('stop')
    with open(rabbit.COOKIE_PATH, 'wb') as out:
        out.write(cookie)
    rabbit.service('start')
    rabbit.cluster_with(remote_host)