def _get_instances_info(self):
"""Get information e.g. ip link stats for each port on a vm"""
instances = self.running_instances
if instances is None:
return
guest_info = {}
ps_output = cli_helpers.get_ps()
for uuid in instances:
for line in ps_output:
expr = r".+guest=(\S+),.+product=OpenStack Nova.+uuid={}.+"
ret = re.compile(expr.format(uuid)).match(line)
if ret:
guest = ret[1]
if guest not in guest_info:
guest_info[uuid] = {"ports": []}
ret = re.compile(r"mac=([a-z0-9:]+)").findall(line)
if ret:
if "ports" not in guest_info[uuid]:
guest_info[uuid]["ports"] = []
for port in ret:
guest_info[uuid]["ports"].append({
"mac": port,
"health": {}
})
return guest_info
def test_get_ps(self, mock_subprocess):
path = os.path.join(os.environ["DATA_ROOT"], "ps")
with open(path, 'r') as fd:
out = fd.readlines()
ret = cli_helpers.get_ps()
self.assertEquals(ret, out)
self.assertFalse(mock_subprocess.called)
def get_ps_units(self):
units = set()
for line in cli_helpers.get_ps():
if "unit-" in line:
ret = re.compile(r".+unit-([0-9a-z\-]+-[0-9]+).*").match(line)
if ret:
units.add(ret[1])
return units
def running_instances(self):
if self._instances:
return self._instances
for line in cli_helpers.get_ps():
ret = re.compile(".+product=OpenStack Nova.+").match(line)
if ret:
expr = r".+uuid\s+([a-z0-9\-]+)[\s,]+.+"
ret = re.compile(expr).match(ret[0])
if ret:
self._instances.append(ret[1])
return self._instances
def get_machine_info(self):
ps_machines = set()
log_machines = set()
machines_running = set()
machines_stopped = set()
if not os.path.exists(JUJU_LOG_PATH):
return
for line in cli_helpers.get_ps():
if "machine-" in line:
ret = re.compile(r".+machine-([0-9]+).*").match(line)
if ret:
ps_machines.add(ret[1])
for f in os.listdir(JUJU_LOG_PATH):
ret = re.compile(r"machine-([0-9]+)\.log.*").match(f)
if ret:
log_machines.add(ret[1])
combined_machines = ps_machines.union(log_machines)
for machine in combined_machines:
conf_path = (
"var/lib/juju/agents/machine-{}/agent.conf".format(machine))
agent_conf = os.path.join(constants.DATA_ROOT, conf_path)
version = "unknown"
if os.path.exists(agent_conf):
for line in open(agent_conf).readlines():
ret = re.compile(r"upgradedToVersion:\s+(.+)").match(line)
if ret:
version = ret[1]
if machine in ps_machines:
machines_running.add("{} (version={})".format(
machine, version))
else:
machines_stopped.add(machine)
if machines_running:
JUJU_MACHINE_INFO["machines"]["running"] = list(machines_running)
if machines_stopped:
JUJU_MACHINE_INFO["machines"]["stopped"] = list(machines_stopped)
if not machines_running and (machines_stopped
or self.get_local_running_units):
msg = ("there is no Juju machined running on this host but it "
"seems there should be")
add_issue(JujuWarning(msg))
