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#!/usr/bin/env python
import json
import sys
from charmhelpers.core.hookenv import (
Hooks,
UnregisteredHookError,
config,
log,
is_leader,
relation_get,
relation_ids,
relation_set,
relation_id,
related_units,
status_set,
)
hooks = Hooks()
config = config()
def update_relations(rid=None):
settings = {
"auth-info": config.get("auth_info")
}
for rid in ([rid] if rid else relation_ids("contrail-auth")):
relation_set(relation_id=rid, relation_settings=settings)
@hooks.hook("config-changed")
def config_changed():
if is_leader():
update_relations()
update_status()
@hooks.hook("contrail-auth-relation-joined")
def contrail_auth_joined():
if is_leader():
update_relations(rid=relation_id())
update_status()
@hooks.hook("identity-admin-relation-changed")
def identity_admin_changed():
ip = relation_get("service_hostname")
if ip:
api_version = int(relation_get("api_version"))
api_suffix = 'v2.0' if api_version == 2 else 'v3'
api_tokens = 'v2.0/tokens' if api_version == 2 else 'v3/auth/tokens'
auth_info = {
"keystone_protocol": relation_get("service_protocol"),
"keystone_ip": ip,
"keystone_public_port": relation_get("service_port"),
"keystone_admin_user": relation_get("service_username"),
"keystone_admin_password": relation_get("service_password"),
"keystone_admin_tenant": relation_get("service_tenant_name"),
"keystone_region": relation_get("service_region"),
"keystone_api_version": api_version,
"keystone_api_suffix": api_suffix,
"keystone_api_tokens": api_tokens,
# next three field are only for api_version = 3
"keystone_user_domain_name":
relation_get("service_user_domain_name"),
"keystone_project_domain_name":
relation_get("service_project_domain_name"),
"keystone_project_name": relation_get("service_project_name"),
}
auth_info = json.dumps(auth_info)
config["auth_info"] = auth_info
else:
config.pop("auth_info", None)
if is_leader():
update_relations()
update_status()
@hooks.hook("identity-admin-relation-departed")
def identity_admin_departed():
count = 0
for rid in relation_ids("identity-admin"):
count += len(related_units(rid))
if count > 0:
return
config.pop("auth_info", None)
if is_leader():
update_relations()
update_status()
@hooks.hook("update-status")
def update_status():
auth_info = config.get("auth_info")
if not auth_info:
status_set('blocked', 'Missing relations: identity')
else:
status_set("active", "Unit is ready")
def main():
try:
hooks.execute(sys.argv)
except UnregisteredHookError as e:
log("Unknown hook {} - skipping.".format(e))
if __name__ == "__main__":
main()
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