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|
from collections import OrderedDict
import functools
import os
import pwd
import shutil
from socket import gethostbyname, gethostname
from subprocess import (
CalledProcessError,
check_call,
check_output
)
from time import sleep, time
import apt_pkg
from apt_pkg import version_compare
import json
import urllib2
from charmhelpers.contrib.network.ip import get_address_in_network
from charmhelpers.core.hookenv import (
config,
leader_get,
log,
related_units,
relation_get,
relation_ids,
relation_type,
remote_unit,
unit_get
)
from charmhelpers.core.host import (
service_available,
service_restart,
service_stop
)
from charmhelpers.core.templating import render
apt_pkg.init()
def dpkg_version(pkg):
try:
return check_output(["dpkg-query", "-f", "${Version}\\n", "-W", pkg]).rstrip()
except CalledProcessError:
return None
CONTRAIL_VERSION = dpkg_version("contrail-config")
config = config()
def retry(f=None, timeout=10, delay=2):
"""Retry decorator.
Provides a decorator that can be used to retry a function if it raises
an exception.
:param timeout: timeout in seconds (default 10)
:param delay: retry delay in seconds (default 2)
Examples::
# retry fetch_url function
@retry
def fetch_url():
# fetch url
# retry fetch_url function for 60 secs
@retry(timeout=60)
def fetch_url():
# fetch url
"""
if not f:
return functools.partial(retry, timeout=timeout, delay=delay)
@functools.wraps(f)
def func(*args, **kwargs):
start = time()
error = None
while True:
try:
return f(*args, **kwargs)
except Exception as e:
error = e
elapsed = time() - start
if elapsed >= timeout:
raise error
remaining = timeout - elapsed
if delay <= remaining:
sleep(delay)
else:
sleep(remaining)
raise error
return func
def amqp_ctx():
ctxs = []
servers = OrderedDict()
for rid in relation_ids("amqp"):
for unit in related_units(rid):
password = relation_get("password", unit, rid)
if not password:
continue
port = relation_get("ssl_port", unit, rid)
if port:
ssl = True
else:
port = "5672"
ssl = False
ctxs.append({"rabbit_user": "contrail",
"rabbit_password": password,
"rabbit_vhost": "contrail",
"rabbit_use_ssl": ssl})
vip = relation_get("vip", unit, rid)
server = (vip if vip \
else gethostbyname(relation_get("hostname", unit, rid))) \
+ ":" + port
servers[server] = None
ctx = ctxs[0] if ctxs else {}
ctx["rabbit_servers"] = servers.keys()
return ctx
def analytics_api_ctx():
ctxs = [ { "analytics_server_ip": vip if vip \
else gethostbyname(relation_get("private-address", unit, rid)),
"analytics_server_port": port }
for rid in relation_ids("contrail-analytics-api")
for unit, port, vip in
((unit, relation_get("port", unit, rid), relation_get("vip", unit, rid))
for unit in related_units(rid))
if port ]
return ctxs[0] if ctxs else {}
def api_port():
return 8082
def cassandra_ctx():
if not config.get("cassandra-ready"):
return { "cassandra_servers": [] }
ctxs = []
servers = []
for rid in relation_ids("cassandra"):
for unit in related_units(rid):
port = relation_get("rpc_port", unit, rid)
if not port:
continue
ctxs.append({"cassandra_user": relation_get("username", unit, rid),
"cassandra_password": relation_get("password", unit, rid)})
host = relation_get("host", unit, rid)
server = (host if host \
else gethostbyname(relation_get("private-address", unit, rid))) \
+ ":" + port
servers.append(server)
ctx = ctxs[0] if ctxs else {}
ctx["cassandra_servers"] = servers
return ctx
def cassandra_units():
"""Return a list of cassandra units"""
return [ unit for rid in relation_ids("cassandra")
for unit in related_units(rid)
if relation_get("rpc_port", unit, rid) ]
@retry(timeout=300, delay=10)
def check_url(url):
try:
urllib2.urlopen(url)
except urllib2.HTTPError:
pass
def contrail_ctx():
addr = control_network_ip()
ctx = { "api_port": api_port(),
"ifmap_server": addr,
"disc_server": addr,
"disc_port": discovery_port() }
if version_compare(CONTRAIL_VERSION, "3.0") >= 0:
ctx["rbac"] = config["rbac"]
ctx["cloud_admin_role"] = config.get("cloud-admin-role")
ctx["read_only_role"] = config.get("read-only-role")
return ctx
def contrail_encap_priority_set(priority):
user, password = [ (relation_get("service_username", unit, rid),
relation_get("service_password", unit, rid))
for rid in relation_ids("identity-admin")
for unit in related_units(rid) ][0]
log("Setting encapsulation priority: {}".format(priority))
contrail_provision_encap("127.0.0.1", api_port(), priority, "add",
user, password)
def contrail_encap_priority_unset():
user, password = [ (relation_get("service_username", unit, rid),
relation_get("service_password", unit, rid))
for rid in relation_ids("identity-admin")
for unit in related_units(rid) ][0]
log("Unsetting encapsulation priority")
contrail_provision_encap("127.0.0.1", api_port(), ".", "del",
user, password)
def contrail_floating_ip_create(network, name):
user, password, tenant = [ (relation_get("service_username", unit, rid),
relation_get("service_password", unit, rid),
relation_get("service_tenant_name", unit, rid))
for rid in relation_ids("identity-admin")
for unit in related_units(rid) ][0]
log("Creating floating ip pool {} for network {}".format(name, network))
check_call(["python", "/usr/share/contrail-utils/create_floating_pool.py",
"--public_vn_name", network,
"--floating_ip_pool_name", name,
"--api_server_ip", "127.0.0.1",
"--api_server_port", str(api_port()),
"--admin_user", user,
"--admin_password", password,
"--admin_tenant", tenant])
def contrail_floating_ip_deactivate(project, name):
user, password, tenant = [ (relation_get("service_username", unit, rid),
relation_get("service_password", unit, rid),
relation_get("service_tenant_name", unit, rid))
for rid in relation_ids("identity-admin")
for unit in related_units(rid) ][0]
log("Deactivating floating ip pool {} for project {}".format(name, project))
check_call(["scripts/deactivate_floating_pool.py",
"--api_server_ip", "127.0.0.1",
"--api_server_port", str(api_port()),
"--admin_user", user,
"--admin_password", password,
"--admin_tenant", tenant,
project, name])
def contrail_floating_ip_delete(network, name):
user, password, tenant = [ (relation_get("service_username", unit, rid),
relation_get("service_password", unit, rid),
relation_get("service_tenant_name", unit, rid))
for rid in relation_ids("identity-admin")
for unit in related_units(rid) ][0]
log("Deleting floating ip pool {} for network {}".format(name, network))
check_call(["scripts/delete_floating_pool.py",
"--api_server_ip", "127.0.0.1",
"--api_server_port", str(api_port()),
"--admin_user", user,
"--admin_password", password,
"--admin_tenant", tenant,
network, name])
def contrail_floating_ip_use(project, name):
user, password, tenant = [ (relation_get("service_username", unit, rid),
relation_get("service_password", unit, rid),
relation_get("service_tenant_name", unit, rid))
for rid in relation_ids("identity-admin")
for unit in related_units(rid) ][0]
log("Activating floating ip pool {} for project {}".format(name, project))
check_call(["python", "/usr/share/contrail-utils/use_floating_pool.py",
"--project_name", project,
"--floating_ip_pool_name", name,
"--api_server_ip", "127.0.0.1",
"--api_server_port", str(api_port()),
"--admin_user", user,
"--admin_password", password,
"--admin_tenant", tenant])
def contrail_ifmap_ctx():
creds = []
cs = leader_get("ifmap-creds")
if cs:
cs = json.loads(cs)
for units in cs.itervalues():
for c in units.itervalues():
creds.append(c)
return { "ifmap_creds": creds }
@retry(timeout=300)
def contrail_provision_config(hostname, ip, api_ip, api_port, op,
user, password, tenant):
check_call(["contrail-provision-config",
"--host_name", hostname,
"--host_ip", ip,
"--api_server_ip", api_ip,
"--api_server_port", str(api_port),
"--oper", op,
"--admin_user", user,
"--admin_password", password,
"--admin_tenant_name", tenant])
@retry(timeout=300)
def contrail_provision_encap(api_ip, api_port, priority, op, user, password):
check_call(["contrail-provision-encap",
"--api_server_ip", api_ip,
"--api_server_port", str(api_port),
"--encap_priority", priority,
"--oper", op,
"--admin_user", user,
"--admin_password", password])
@retry(timeout=300)
def contrail_provision_linklocal(api_ip, api_port, service_name, service_ip,
service_port, fabric_ip, fabric_port, op,
user, password):
check_call(["contrail-provision-linklocal",
"--api_server_ip", api_ip,
"--api_server_port", str(api_port),
"--linklocal_service_name", service_name,
"--linklocal_service_ip", service_ip,
"--linklocal_service_port", str(service_port),
"--ipfabric_service_ip", fabric_ip,
"--ipfabric_service_port", str(fabric_port),
"--oper", op,
"--admin_user", user,
"--admin_password", password])
def control_network_ip():
fallback = gethostbyname(unit_get("private-address"))
network = config.get("control-network")
if network:
return get_address_in_network(network, fallback)
else:
return fallback
def discovery_port():
return 5998
def fix_ifmap_server():
# disable ifmap-server upstart service
if service_available("ifmap-server"):
service_stop("ifmap-server")
with open("/etc/init/ifmap-server.override", "w") as conf:
conf.write("manual\n")
# use supervisord config
shutil.copy("files/ifmap.ini", "/etc/contrail/supervisord_config_files")
pw = pwd.getpwnam("contrail")
os.chown("/etc/contrail/supervisord_config_files/ifmap.ini", pw.pw_uid,
pw.pw_gid)
src = "files/ifmap-3.1" \
if version_compare(CONTRAIL_VERSION, "3.1") >= 0 \
else "files/ifmap"
shutil.copy(src, "/etc/init.d/ifmap")
os.chmod("/etc/init.d/ifmap", 0755)
def fix_nodemgr():
# add files missing from contrail-nodemgr package
dest = "/etc/contrail/supervisord_config_files/" \
+ ("contrail-config-nodemgr.ini" \
if version_compare(CONTRAIL_VERSION, "3.1") >= 0 \
else "contrail-nodemgr-config.ini")
shutil.copy("files/contrail-nodemgr-config.ini", dest)
pw = pwd.getpwnam("contrail")
os.chown(dest, pw.pw_uid, pw.pw_gid)
src = "files/contrail-config-nodemgr-3.1" \
if version_compare(CONTRAIL_VERSION, "3.1") >= 0 \
else "files/contrail-config-nodemgr"
shutil.copy(src, "/etc/init.d/contrail-config-nodemgr")
os.chmod("/etc/init.d/contrail-config-nodemgr", 0755)
# fake ntp status when inside a container
if is_container():
shutil.copy("files/ntpq-nodemgr", "/usr/local/bin/ntpq")
def fix_permissions():
os.chmod("/etc/contrail", 0755)
os.chown("/etc/contrail", 0, 0)
def fix_scripts():
version = dpkg_version("contrail-config")
if version_compare(version, "2.01") >= 0:
# supervisord and init scripts need correcting on contrail 2.01+
for service in [ "contrail-api", "contrail-discovery" ]:
# remove hardcoded port
check_call(["sed", "-E", "-i", "-e",
"s/ --listen_port [^[:blank:]]+//",
"/etc/contrail/supervisord_config_files/{}.ini".format(service)])
# fix init script
check_call(["sed", "-i", "-e",
"s/`basename ${0}`$/\"`basename ${0}`:*\"/",
"/etc/init.d/{}".format(service)])
def fix_services():
fix_permissions()
fix_ifmap_server()
fix_nodemgr()
fix_scripts()
service_restart("supervisor-config")
def identity_admin_ctx():
ctxs = [ { "auth_host": gethostbyname(hostname),
"auth_port": relation_get("service_port", unit, rid),
"auth_protocol": relation_get("service_protocol", unit, rid),
"admin_user": relation_get("service_username", unit, rid),
"admin_password": relation_get("service_password", unit, rid),
"admin_tenant_name": relation_get("service_tenant_name", unit, rid),
"auth_region": relation_get("service_region", unit, rid) }
for rid in relation_ids("identity-admin")
for unit, hostname in
((unit, relation_get("service_hostname", unit, rid)) for unit in related_units(rid))
if hostname ]
return ctxs[0] if ctxs else {}
def is_container():
"""Return boolean determining if inside container"""
try:
check_call(["running-in-container"])
return True
except CalledProcessError:
return False
def provision_configuration():
hostname = gethostname()
ip = control_network_ip()
user, password, tenant = [ (relation_get("service_username", unit, rid),
relation_get("service_password", unit, rid),
relation_get("service_tenant_name", unit, rid))
for rid in relation_ids("identity-admin")
for unit in related_units(rid)
if relation_get("service_hostname", unit, rid) ][0]
log("Provisioning configuration {}".format(ip))
contrail_provision_config(hostname, ip, "127.0.0.1", api_port(), "add",
user, password, tenant)
config["provisioned-host-ip"] = ip
def provision_metadata():
ip = [ gethostbyname(relation_get("private-address", unit, rid))
for rid in relation_ids("neutron-metadata")
for unit in related_units(rid) ][0]
user, password = [ (relation_get("service_username", unit, rid),
relation_get("service_password", unit, rid))
for rid in relation_ids("identity-admin")
for unit in related_units(rid)
if relation_get("service_hostname", unit, rid) ][0]
log("Provisioning metadata service {}:8775".format(ip))
contrail_provision_linklocal("127.0.0.1", api_port(), "metadata",
"169.254.169.254", 80, ip, 8775, "add",
user, password)
def remove_ssl_ca_certificate():
if os.path.exists("/usr/local/share/ca-certificates/contrail-juju.crt"):
os.remove("/usr/local/share/ca-certificates/contrail-juju.crt")
check_call(["update-ca-certificates", "-f"])
return True
else:
return False
def units(relation):
"""Return a list of units for the specified relation"""
return [ unit for rid in relation_ids(relation)
for unit in related_units(rid) ]
def unprovision_configuration():
relation = relation_type()
if relation and not remote_unit():
return
hostname = gethostname()
ip = config["provisioned-host-ip"]
user = None
password = None
tenant = None
if relation == "identity-admin":
user = relation_get("service_username")
password = relation_get("service_password")
tenant = relation_get("service_tenant_name")
else:
user, password, tenant = [ (relation_get("service_username", unit, rid),
relation_get("service_password", unit, rid),
relation_get("service_tenant_name", unit, rid))
for rid in relation_ids("identity-admin")
for unit in related_units(rid) ][0]
log("Unprovisioning configuration {}".format(ip))
try:
contrail_provision_config(hostname, ip, "127.0.0.1", api_port(), "del",
user, password, tenant)
except CalledProcessError:
pass
del config["provisioned-host-ip"]
def unprovision_metadata():
if not remote_unit():
return
relation = relation_type()
ip = None
if relation == "neutron-metadata":
ip = gethostbyname(relation_get("private-address"))
else:
ip = [ gethostbyname(relation_get("private-address", unit, rid))
for rid in relation_ids("neutron-metadata")
for unit in related_units(rid) ][0]
user = None
password = None
if relation == "identity-admin":
user = relation_get("service_username")
password = relation_get("service_password")
else:
user, password = [ (relation_get("service_username", unit, rid),
relation_get("service_password", unit, rid))
for rid in relation_ids("identity-admin")
for unit in related_units(rid) ][0]
log("Unprovisioning metadata service {}:8775".format(ip))
try:
contrail_provision_linklocal("127.0.0.1", api_port(), "metadata",
"169.254.169.254", 80, ip, 8775, "del",
user, password)
except CalledProcessError:
pass
def wait_for_contrail_api():
port = str(api_port())
try:
check_url("http://localhost:" + port)
except urllib2.URLError:
log("contrail-api service has failed to start correctly on port {}".format(port),
"CRITICAL")
log("This is typically due to a runtime error in related services",
"CRITICAL")
raise
def write_barbican_auth_config():
ctx = identity_admin_ctx()
render("contrail-lbaas-auth.conf",
"/etc/contrail/contrail-lbaas-auth.conf", ctx, "root", "contrail",
0440)
def write_contrail_api_config():
ctx = {}
ctx.update(contrail_ctx())
ctx.update(cassandra_ctx())
ctx.update(zookeeper_ctx())
ctx.update(amqp_ctx())
ctx.update(identity_admin_ctx())
if version_compare(CONTRAIL_VERSION, "3.0") >= 0:
ctx["cassandra"] = True
render("contrail-api.conf", "/etc/contrail/contrail-api.conf", ctx, "root",
"contrail", 0440)
def write_contrail_schema_config():
ctx = {}
ctx.update(cassandra_ctx())
ctx.update(zookeeper_ctx())
ctx.update(identity_admin_ctx())
ctx.update(contrail_ctx())
if version_compare(CONTRAIL_VERSION, "3.0") >= 0:
ctx["rabbitmq"] = True
ctx.update(amqp_ctx())
ctx["cassandra"] = True
render("contrail-schema.conf", "/etc/contrail/contrail-schema.conf",
ctx, "root", "contrail", 0440)
def write_contrail_svc_monitor_config():
ctx = {}
ctx.update(contrail_ctx())
ctx.update(cassandra_ctx())
ctx.update(zookeeper_ctx())
ctx.update(amqp_ctx())
ctx.update(identity_admin_ctx())
ctx.update(analytics_api_ctx())
if version_compare(CONTRAIL_VERSION, "3.0") >= 0:
ctx["cassandra"] = True
render("contrail-svc-monitor.conf",
"/etc/contrail/contrail-svc-monitor.conf", ctx, "root", "contrail",
0440)
def write_device_manager_config():
ctx = {}
ctx.update(contrail_ctx())
ctx.update(zookeeper_ctx())
ctx.update(cassandra_ctx())
ctx.update(amqp_ctx())
ctx.update(identity_admin_ctx())
if version_compare(CONTRAIL_VERSION, "3.0") >= 0:
ctx["cassandra"] = True
render("contrail-device-manager.conf",
"/etc/contrail/contrail-device-manager.conf", ctx, "root",
"contrail", 0440)
def write_discovery_config():
ctx = {}
ctx.update(zookeeper_ctx())
ctx.update(cassandra_ctx())
if version_compare(CONTRAIL_VERSION, "3.0") >= 0:
ctx["cassandra"] = True
target = "/etc/contrail/contrail-discovery.conf" \
if version_compare(CONTRAIL_VERSION, "1.20~") >= 0 \
else "/etc/contrail/discovery.conf"
render("discovery.conf", target, ctx, "root", "contrail", 0440)
def write_ifmap_config():
ctx = contrail_ifmap_ctx()
render("basicauthusers.properties",
"/etc/ifmap-server/basicauthusers.properties", ctx, "root",
"contrail", 0440)
def write_nodemgr_config():
ctx = contrail_ctx()
render("contrail-config-nodemgr.conf",
"/etc/contrail/contrail-config-nodemgr.conf", ctx)
def write_ssl_ca_certificate(cert):
if os.path.exists("/usr/local/share/ca-certificates/contrail-juju.crt"):
with open("/usr/local/share/ca-certificates/contrail-juju.crt", "r") as f:
c = f.read()
if c == cert:
return False
with open("/usr/local/share/ca-certificates/contrail-juju.crt", "w") as f:
f.write(cert)
check_call(["update-ca-certificates"])
return True
def write_vnc_api_config():
ctx = {}
ctx.update(contrail_ctx())
ctx.update(identity_admin_ctx())
render("vnc_api_lib.ini", "/etc/contrail/vnc_api_lib.ini", ctx)
def zookeeper_ctx():
return { "zk_servers": [ (host if host \
else gethostbyname(relation_get("private-address", unit, rid)))
+ ":" + port
for rid in relation_ids("zookeeper")
for unit, host, port in
((unit, relation_get("host", unit, rid),
relation_get("port", unit, rid))
for unit in related_units(rid))
if port ] }
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