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import json
import docker
import time
class PrhLibrary(object):
def __init__(self):
pass
@staticmethod
def check_for_log(search_for):
client = docker.from_env()
container = client.containers.get('prh')
for line in container.logs(stream=True):
if search_for in line.strip():
return True
else:
return False
@staticmethod
def create_pnf_ready_notification(json_file):
json_to_python = json.loads(json_file)
ipv4 = json_to_python.get("event").get("pnfRegistrationFields").get("oamV4IpAddress")
ipv6 = json_to_python.get("event").get("pnfRegistrationFields").get("oamV6IpAddress") if "oamV6IpAddress" in json_to_python["event"]["pnfRegistrationFields"] else ""
correlation_id = json_to_python.get("event").get("commonEventHeader").get("sourceName")
str_json = '{"correlationId":"' + correlation_id + '","ipaddress-v4-oam":"' + ipv4 + '","ipaddress-v6-oam":"' + ipv6 + '"}'
python_to_json = json.dumps(str_json)
return python_to_json.replace("\\", "")[1:-1]
@staticmethod
def create_pnf_name(json_file):
json_to_python = json.loads(json_file)
correlation_id = json_to_python.get("sourceName")
return correlation_id
@staticmethod
def ensure_container_is_running(name):
client = docker.from_env()
if not PrhLibrary.is_in_status(client, name, "running"):
print ("starting container", name)
container = client.containers.get(name)
container.start()
PrhLibrary.wait_for_status(client, name, "running")
PrhLibrary.print_status(client)
@staticmethod
def ensure_container_is_exited(name):
client = docker.from_env()
if not PrhLibrary.is_in_status(client, name, "exited"):
print ("stopping container", name)
container = client.containers.get(name)
container.stop()
PrhLibrary.wait_for_status(client, name, "exited")
PrhLibrary.print_status(client)
@staticmethod
def print_status(client):
print("containers status")
for c in client.containers.list(all=True):
print(c.name, " ", c.status)
@staticmethod
def wait_for_status(client, name, status):
while not PrhLibrary.is_in_status(client, name, status):
print ("waiting for container: ", name, "to be in status: ", status)
time.sleep(3)
@staticmethod
def is_in_status(client, name, status):
return len(client.containers.list(all=True, filters={"name": "^/"+name+"$", "status": status})) == 1
def create_invalid_notification(self, json_file):
return self.create_pnf_ready_notification(json_file).replace("\":", "\": ")\
.replace("ipaddress-v4-oam", "oamV4IpAddress").replace("ipaddress-v6-oam", "oamV6IpAddress")\
.replace("}", "\\n}")
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