def cluster_changed():
data = relation_get()
log("Peer relation changed with {}: {}".format(remote_unit(), data))
ip = data.get("unit-address")
data_ip = data.get("data-address")
if not ip or not data_ip:
log("There is no unit-address or data-address in the relation")
return
if config.get('local-rabbitmq-hostname-resolution'):
rabbit_hostname = data.get('rabbitmq-hostname')
if ip and rabbit_hostname:
utils.update_hosts_file(ip, rabbit_hostname)
if is_leader():
unit = remote_unit()
_address_changed(unit, ip, 'ip')
_address_changed(unit, data_ip, 'data_ip')
update_northbound_relations()
update_southbound_relations()
update_issu_relations()
utils.update_ziu("cluster-changed")
utils.update_charm_status()
def config_changed():
utils.update_nrpe_config()
auth_mode = config.get("auth-mode")
if auth_mode not in ("rbac", "cloud-admin", "no-auth"):
raise Exception("Config is invalid. auth-mode must one of: "
"rbac, cloud-admin, no-auth.")
if config.changed("control-network") or config.changed("data-network"):
ip = common_utils.get_ip()
data_ip = common_utils.get_ip(config_param="data-network", fallback=ip)
rel_settings = {"private-address": ip}
for rname in ("http-services", "https-services"):
for rid in relation_ids(rname):
relation_set(relation_id=rid, relation_settings=rel_settings)
cluster_settings = {"unit-address": ip, "data-address": data_ip}
if config.get('local-rabbitmq-hostname-resolution'):
cluster_settings.update({
"rabbitmq-hostname":
utils.get_contrail_rabbit_hostname(),
})
# this will also take care of updating the hostname in case
# control-network changes to something different although
# such host reconfiguration is unlikely
utils.update_rabbitmq_cluster_hostnames()
for rid in relation_ids("controller-cluster"):
relation_set(relation_id=rid, relation_settings=cluster_settings)
if is_leader():
_address_changed(local_unit(), ip, 'ip')
_address_changed(local_unit(), data_ip, 'data_ip')
if config.changed("local-rabbitmq-hostname-resolution"):
if config.get("local-rabbitmq-hostname-resolution"):
# enabling this option will trigger events on other units
# so their hostnames will be added as -changed events fire
# we just need to set our hostname
utils.update_rabbitmq_cluster_hostnames()
else:
kvstore = kv()
rabbitmq_hosts = kvstore.get(key='rabbitmq_hosts', default={})
for ip, hostname in rabbitmq_hosts:
utils.update_hosts_file(ip, hostname, remove_hostname=True)
docker_utils.config_changed()
utils.update_charm_status()
# leave it after update_charm_status - in case of exception in previous steps
# config.changed doesn't work sometimes...
if config.get("saved-image-tag") != config["image-tag"]:
utils.update_ziu("image-tag")
config["saved-image-tag"] = config["image-tag"]
config.save()
update_http_relations()
update_https_relations()
update_northbound_relations()
update_southbound_relations()
update_issu_relations()
def cluster_joined(rel_id=None):
ip = common_utils.get_ip()
settings = {
"unit-address":
ip,
"data-address":
common_utils.get_ip(config_param="data-network", fallback=ip)
}
if config.get('local-rabbitmq-hostname-resolution'):
settings.update({
"rabbitmq-hostname":
utils.get_contrail_rabbit_hostname(),
})
# a remote unit might have already set rabbitmq-hostname if
# it came up before this unit was provisioned so the -changed
# event will not fire for it and we have to handle it here
data = relation_get()
log("Joined the peer relation with {}: {}".format(remote_unit(), data))
ip = data.get("unit-address")
rabbit_hostname = data.get('rabbitmq-hostname')
if ip and rabbit_hostname:
utils.update_hosts_file(ip, rabbit_hostname)
relation_set(relation_id=rel_id, relation_settings=settings)
utils.update_charm_status()