def crawl(self, container_id=None, **kwargs):
c = dockercontainer.DockerContainer(container_id)
# check image name
if c.image_name.find("httpd") == -1:
logger.error("%s is not %s container",
c.image_name,
self.feature_key)
raise CrawlError("%s does not have expected name for %s (name=%s)",
container_id,
self.feature_key,
c.image_name)
# extract IP and Port information
ip = c.get_container_ip()
ports = c.get_container_ports()
# crawl all candidate ports
for port in ports:
try:
metrics = apache_crawler.retrieve_metrics(ip, port)
except CrawlError:
logger.error("can't find metrics endpoint at http://%s:%s",
ip,
port)
continue
return [(self.feature_key, metrics, self.feature_type)]
raise CrawlError("%s has no accessible endpoint for %s",
container_id,
self.feature_key)
def crawl(self, container_id=None, **kwargs):
c = dockercontainer.DockerContainer(container_id)
port = None
if "annotation.io.kubernetes.container.ports" in\
c.inspect['Config']['Labels']:
ports = c.inspect['Config']['Labels'][
'annotation.io.kubernetes.container.ports']
ports = json.loads(ports)
else:
ports = c.get_container_ports()
for each_port in ports:
tmp_port = None
if "containerPort" in each_port:
tmp_port = int(each_port['containerPort'])
else:
tmp_port = int(each_port)
if tmp_port == self.default_port:
port = tmp_port
if not port:
return
state = c.inspect['State']
pid = str(state['Pid'])
ips = run_as_another_namespace(
pid, ['net'], utils.misc.get_host_ip4_addresses)
for each_ip in ips:
if each_ip != "127.0.0.1":
ip = each_ip
break
try:
metrics = apache_crawler.retrieve_metrics(ip, port)
return [(self.feature_key, metrics, self.feature_type)]
except:
logger.info("apache does not listen on port:%d", port)
raise ConnectionError("apache does not listen on port:%d", port)
def test_ok(self):
status = apache_crawler.retrieve_metrics()
assert status == ApacheFeature(BusyWorkers='2',
IdleWorkers='9',
waiting_for_connection='9',
starting_up='1',
reading_request='1',
sending_reply='1',
keepalive_read='1',
dns_lookup='1',
closing_connection='1',
logging='1',
graceful_finishing='1',
idle_worker_cleanup='1',
BytesPerSec='1023.13',
BytesPerReq='7037.02',
ReqPerSec='.145393',
Uptime='1183',
Total_kBytes='1182',
Total_Accesses='172')
def test_ok(self):
status = apache_crawler.retrieve_metrics()
assert status == ApacheFeature(
BusyWorkers='2',
IdleWorkers='9',
waiting_for_connection='9',
starting_up='1',
reading_request='1',
sending_reply='1',
keepalive_read='1',
dns_lookup='1',
closing_connection='1',
logging='1',
graceful_finishing='1',
idle_worker_cleanup='1',
BytesPerSec='1023.13',
BytesPerReq='7037.02',
ReqPerSec='.145393',
Uptime='1183',
Total_kBytes='1182',
Total_Accesses='172')
def test_hundle_parseerror(self):
with self.assertRaises(CrawlError):
apache_crawler.retrieve_metrics()
def test_hundle_parseerror(self):
with self.assertRaises(CrawlError):
apache_crawler.retrieve_metrics()
def crawl(self):
metrics = apache_crawler.retrieve_metrics(host='localhost',
port=self.default_port)
return [(self.feature_key, metrics, self.feature_type)]
def crawl(self):
metrics = apache_crawler.retrieve_metrics(
host='localhost',
port=self.default_port
)
return [(self.feature_key, metrics, self.feature_type)]