def config_changed():

    if config('prefer-ipv6'):
        rabbit.assert_charm_supports_ipv6()

    # Add archive source if provided
    add_source(config('source'), config('key'))
    apt_update(fatal=True)
    # Copy in defaults file for updated ulimits
    shutil.copyfile(
        'templates/rabbitmq-server',
        '/etc/default/rabbitmq-server')
    # Install packages to ensure any changes to source
    # result in an upgrade if applicable.
    status_set('maintenance', 'Installing/upgrading RabbitMQ packages')
    apt_install(rabbit.PACKAGES, fatal=True)

    open_port(5672)

    chown(RABBIT_DIR, rabbit.RABBIT_USER, rabbit.RABBIT_USER)
    chmod(RABBIT_DIR, 0o775)

    configure_nodename()

    if config('management_plugin') is True:
        rabbit.enable_plugin(MAN_PLUGIN)
        open_port(55672)
    else:
        rabbit.disable_plugin(MAN_PLUGIN)
        close_port(55672)

    rabbit.set_all_mirroring_queues(config('mirroring-queues'))
    rabbit.ConfigRenderer(
        rabbit.CONFIG_FILES).write_all()

    if is_relation_made("ha"):
        ha_is_active_active = config("ha-vip-only")

        if ha_is_active_active:
            update_nrpe_checks()
        else:
            if is_elected_leader('res_rabbitmq_vip'):
                update_nrpe_checks()
            else:
                log("hacluster relation is present but this node is not active"
                    " skipping update nrpe checks")
    else:
        update_nrpe_checks()

    # NOTE(jamespage)
    # trigger amqp_changed to pickup and changes to network
    # configuration via the access-network config option.
    for rid in relation_ids('amqp'):
        for unit in related_units(rid):
            amqp_changed(relation_id=rid, remote_unit=unit)
def config_changed(check_deferred_restarts=True):
    """Run config-chaged hook.

    :param check_deferred_events: Whether to check if restarts are
                                  permitted before running hook.
    :type check_deferred_events: bool
    """
    configure_deferred_restarts(rabbit.services())
    allowed, reason = is_hook_allowed(
        'config-changed', check_deferred_restarts=check_deferred_restarts)
    if not allowed:
        log(reason, "WARN")
        return
    # Update hosts with this unit's information
    cluster_ip = ch_ip.get_relation_ip(
        rabbit_net_utils.CLUSTER_INTERFACE,
        cidr_network=config(rabbit_net_utils.CLUSTER_OVERRIDE_CONFIG))
    rabbit.update_hosts_file({cluster_ip: rabbit.get_unit_hostname()})

    # Add archive source if provided and not in the upgrade process
    if not leader_get("cluster_series_upgrading"):
        add_source(config('source'), config('key'))
    # Copy in defaults file for updated ulimits
    shutil.copyfile('templates/rabbitmq-server',
                    '/etc/default/rabbitmq-server')

    # Install packages to ensure any changes to source
    # result in an upgrade if applicable only if we change the 'source'
    # config option
    if rabbit.archive_upgrade_available():
        # Avoid packge upgrade collissions
        # Stopping and attempting to start rabbitmqs at the same time leads to
        # failed restarts
        rabbit.cluster_wait()
        rabbit.install_or_upgrade_packages()

    if config('ssl') == 'off':
        open_port(5672)
        close_port(int(config('ssl_port')))
    elif config('ssl') == 'on':
        open_port(5672)
        open_port(int(config('ssl_port')))
    elif config('ssl') == 'only':
        close_port(5672)
        open_port(int(config('ssl_port')))
    else:
        log("Unknown ssl config value: '%s'" % config('ssl'), level=ERROR)

    chown(RABBIT_DIR, rabbit.RABBIT_USER, rabbit.RABBIT_USER)
    chmod(RABBIT_DIR, 0o775)

    if rabbit.management_plugin_enabled():
        rabbit.enable_plugin(MAN_PLUGIN)
        open_port(rabbit.get_managment_port())
    else:
        rabbit.disable_plugin(MAN_PLUGIN)
        close_port(rabbit.get_managment_port())
        # LY: Close the old managment port since it may have been opened in a
        #     previous version of the charm. close_port is a noop if the port
        #     is not open
        close_port(55672)

    # NOTE(jamespage): If a newer RMQ version is
    # installed and the old style configuration file
    # is still on disk, remove before re-rendering
    # any new configuration.
    if (os.path.exists(rabbit.RABBITMQ_CONFIG)
            and cmp_pkgrevno('rabbitmq-server', '3.7') >= 0):
        os.remove(rabbit.RABBITMQ_CONFIG)

    rabbit.ConfigRenderer(rabbit.CONFIG_FILES()).write_all()

    if is_relation_made("ha"):
        ha_is_active_active = config("ha-vip-only")

        if ha_is_active_active:
            update_nrpe_checks()
        else:
            if is_elected_leader('res_rabbitmq_vip'):
                update_nrpe_checks()
            else:
                log("hacluster relation is present but this node is not active"
                    " skipping update nrpe checks")
    elif is_relation_made('nrpe-external-master'):
        update_nrpe_checks()

    # Only set values if this is the leader
    if not is_leader():
        return

    rabbit.set_all_mirroring_queues(config('mirroring-queues'))

    # Update cluster in case min-cluster-size has changed
    for rid in relation_ids('cluster'):
        for unit in related_units(rid):
            cluster_changed(relation_id=rid, remote_unit=unit)

    # NOTE(jamespage): Workaround until we have a good way
    #                  of generally disabling notifications
    #                  based on which services are deployed.
    if 'openstack' in rabbit.list_vhosts():
        rabbit.configure_notification_ttl('openstack',
                                          config('notification-ttl'))
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def config_changed():

    # Update hosts with this unit's information
    rabbit.update_hosts_file({
        rabbit.get_unit_ip(config_override=rabbit.CLUSTER_OVERRIDE_CONFIG,
                           interface=rabbit.CLUSTER_INTERFACE):
        rabbit.get_unit_hostname()
    })

    # Add archive source if provided
    add_source(config('source'), config('key'))
    apt_update(fatal=True)
    # Copy in defaults file for updated ulimits
    shutil.copyfile('templates/rabbitmq-server',
                    '/etc/default/rabbitmq-server')
    # Install packages to ensure any changes to source
    # result in an upgrade if applicable.
    status_set('maintenance', 'Installing/upgrading RabbitMQ packages')
    apt_install(rabbit.PACKAGES, fatal=True)

    open_port(5672)

    chown(RABBIT_DIR, rabbit.RABBIT_USER, rabbit.RABBIT_USER)
    chmod(RABBIT_DIR, 0o775)

    if config('management_plugin') is True:
        rabbit.enable_plugin(MAN_PLUGIN)
        open_port(rabbit.get_managment_port())
    else:
        rabbit.disable_plugin(MAN_PLUGIN)
        close_port(rabbit.get_managment_port())
        # LY: Close the old managment port since it may have been opened in a
        #     previous version of the charm. close_port is a noop if the port
        #     is not open
        close_port(55672)

    rabbit.ConfigRenderer(rabbit.CONFIG_FILES).write_all()

    # Only set values if this is the leader
    if not is_leader():
        return

    rabbit.set_all_mirroring_queues(config('mirroring-queues'))

    if is_relation_made("ha"):
        ha_is_active_active = config("ha-vip-only")

        if ha_is_active_active:
            update_nrpe_checks()
        else:
            if is_elected_leader('res_rabbitmq_vip'):
                update_nrpe_checks()
            else:
                log("hacluster relation is present but this node is not active"
                    " skipping update nrpe checks")
    else:
        update_nrpe_checks()

    # Update cluster in case min-cluster-size has changed
    for rid in relation_ids('cluster'):
        for unit in related_units(rid):
            cluster_changed(relation_id=rid, remote_unit=unit)
Esempio n. 4
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def config_changed():
    # Update hosts with this unit's information
    rabbit.update_hosts_file(
        {rabbit.get_unit_ip(config_override=rabbit.CLUSTER_OVERRIDE_CONFIG,
                            interface=rabbit.CLUSTER_INTERFACE):
                                rabbit.get_unit_hostname()})

    # Add archive source if provided
    add_source(config('source'), config('key'))
    # Copy in defaults file for updated ulimits
    shutil.copyfile(
        'templates/rabbitmq-server',
        '/etc/default/rabbitmq-server')

    # Install packages to ensure any changes to source
    # result in an upgrade if applicable only if we change the 'source'
    # config option
    if rabbit.archive_upgrade_available():
        # Avoid packge upgrade collissions
        # Stopping and attempting to start rabbitmqs at the same time leads to
        # failed restarts
        rabbit.cluster_wait()
        rabbit.install_or_upgrade_packages()

    if config('ssl') == 'off':
        open_port(5672)
        close_port(int(config('ssl_port')))
    elif config('ssl') == 'on':
        open_port(5672)
        open_port(int(config('ssl_port')))
    elif config('ssl') == 'only':
        close_port(5672)
        open_port(int(config('ssl_port')))
    else:
        log("Unknown ssl config value: '%s'" % config('ssl'), level=ERROR)

    chown(RABBIT_DIR, rabbit.RABBIT_USER, rabbit.RABBIT_USER)
    chmod(RABBIT_DIR, 0o775)

    if config('management_plugin') is True:
        rabbit.enable_plugin(MAN_PLUGIN)
        open_port(rabbit.get_managment_port())
    else:
        rabbit.disable_plugin(MAN_PLUGIN)
        close_port(rabbit.get_managment_port())
        # LY: Close the old managment port since it may have been opened in a
        #     previous version of the charm. close_port is a noop if the port
        #     is not open
        close_port(55672)

    rabbit.ConfigRenderer(
        rabbit.CONFIG_FILES).write_all()

    # Only set values if this is the leader
    if not is_leader():
        return

    rabbit.set_all_mirroring_queues(config('mirroring-queues'))

    if is_relation_made("ha"):
        ha_is_active_active = config("ha-vip-only")

        if ha_is_active_active:
            update_nrpe_checks()
        else:
            if is_elected_leader('res_rabbitmq_vip'):
                update_nrpe_checks()
            else:
                log("hacluster relation is present but this node is not active"
                    " skipping update nrpe checks")
    else:
        update_nrpe_checks()

    # Update cluster in case min-cluster-size has changed
    for rid in relation_ids('cluster'):
        for unit in related_units(rid):
            cluster_changed(relation_id=rid, remote_unit=unit)
def config_changed():

    if is_unit_paused_set():
        log("Do not run config_changed while unit is paused", "WARNING")
        return

    # Update hosts with this unit's information
    cluster_ip = ch_ip.get_relation_ip(
        rabbit_net_utils.CLUSTER_INTERFACE,
        cidr_network=config(rabbit_net_utils.CLUSTER_OVERRIDE_CONFIG))
    rabbit.update_hosts_file({cluster_ip: rabbit.get_unit_hostname()})

    # Add archive source if provided and not in the upgrade process
    if not leader_get("cluster_series_upgrading"):
        add_source(config('source'), config('key'))
    # Copy in defaults file for updated ulimits
    shutil.copyfile(
        'templates/rabbitmq-server',
        '/etc/default/rabbitmq-server')

    # Install packages to ensure any changes to source
    # result in an upgrade if applicable only if we change the 'source'
    # config option
    if rabbit.archive_upgrade_available():
        # Avoid packge upgrade collissions
        # Stopping and attempting to start rabbitmqs at the same time leads to
        # failed restarts
        rabbit.cluster_wait()
        rabbit.install_or_upgrade_packages()

    if config('ssl') == 'off':
        open_port(5672)
        close_port(int(config('ssl_port')))
    elif config('ssl') == 'on':
        open_port(5672)
        open_port(int(config('ssl_port')))
    elif config('ssl') == 'only':
        close_port(5672)
        open_port(int(config('ssl_port')))
    else:
        log("Unknown ssl config value: '%s'" % config('ssl'), level=ERROR)

    chown(RABBIT_DIR, rabbit.RABBIT_USER, rabbit.RABBIT_USER)
    chmod(RABBIT_DIR, 0o775)

    if config('management_plugin') is True:
        rabbit.enable_plugin(MAN_PLUGIN)
        open_port(rabbit.get_managment_port())
    else:
        rabbit.disable_plugin(MAN_PLUGIN)
        close_port(rabbit.get_managment_port())
        # LY: Close the old managment port since it may have been opened in a
        #     previous version of the charm. close_port is a noop if the port
        #     is not open
        close_port(55672)

    rabbit.ConfigRenderer(
        rabbit.CONFIG_FILES).write_all()

    if is_relation_made("ha"):
        ha_is_active_active = config("ha-vip-only")

        if ha_is_active_active:
            update_nrpe_checks()
        else:
            if is_elected_leader('res_rabbitmq_vip'):
                update_nrpe_checks()
            else:
                log("hacluster relation is present but this node is not active"
                    " skipping update nrpe checks")
    elif is_relation_made('nrpe-external-master'):
        update_nrpe_checks()

    # Only set values if this is the leader
    if not is_leader():
        return

    rabbit.set_all_mirroring_queues(config('mirroring-queues'))

    # Update cluster in case min-cluster-size has changed
    for rid in relation_ids('cluster'):
        for unit in related_units(rid):
            cluster_changed(relation_id=rid, remote_unit=unit)

    # NOTE(jamespage): Workaround until we have a good way
    #                  of generally disabling notifications
    #                  based on which services are deployed.
    if 'openstack' in rabbit.list_vhosts():
        rabbit.configure_notification_ttl('openstack',
                                          config('notification-ttl'))