def crawl(self, container_id=None, **kwargs):
c = dockercontainer.DockerContainer(container_id)
# check image name
if c.image_name.find(self.feature_key) == -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 = nginx_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
# crawl all candidate ports
try:
metrics = nginx_crawler.retrieve_metrics(ip, port)
return [(self.feature_key, metrics, self.feature_type)]
except:
logger.error("can't find metrics endpoint at http://%s:%s", ip,
port)
raise ConnectionError(
"can't find metrics endpoint"
"at http://%s:%s", ip, port)
def crawl(self, container_id=None, **kwargs):
c = dockercontainer.DockerContainer(container_id)
# check image name
if c.image_name.find(self.feature_key) == -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 = nginx_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 test_hundle_ioerror(self):
with self.assertRaises(CrawlError):
nginx_crawler.retrieve_metrics()
def test_ok(self):
self.assertIsInstance(nginx_crawler.retrieve_metrics(), NginxFeature)
def test_ok(self):
self.assertIsInstance(nginx_crawler.retrieve_metrics(),
NginxFeature)
def test_hundle_parseerror(self):
with self.assertRaises(CrawlError):
nginx_crawler.retrieve_metrics()
def crawl(self):
metrics = nginx_crawler.retrieve_metrics(
host='localhost',
port=self.default_port
)
return [(self.feature_key, metrics, self.feature_type)]
def crawl(self):
metrics = nginx_crawler.retrieve_metrics(host='localhost',
port=self.default_port)
return [(self.feature_key, metrics, self.feature_type)]
