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import HttpRequests
import os
import docker
from robot.api import logger
from time import sleep
XNF_SIMULATOR_NAME = "xNF Simulator"
SIMULATOR_IMAGE_NAME = "onap/org.onap.dcaegen2.collectors.hv-ves.hv-collector-xnf-simulator"
SIMULATOR_IMAGE_FULL_NAME = os.getenv("DOCKER_REGISTRY_PREFIX") + SIMULATOR_IMAGE_NAME + ":latest"
WORKSPACE_ENV = os.getenv("WORKSPACE")
certificates_dir_path = WORKSPACE_ENV + "/plans/dcaegen2-collectors-hv-ves/testsuites/ssl/"
collector_certs_lookup_dir = "/etc/ves-hv/"
ONE_SECOND_IN_NANOS = 10 ** 9
class XnfSimulatorLibrary:
def start_xnf_simulators(self, list_of_ports,
should_use_valid_certs=True,
should_disable_ssl=False,
should_connect_to_unencrypted_hv_ves=False):
logger.info("Creating " + str(len(list_of_ports)) + " xNF Simulator containers")
dockerClient = docker.from_env()
self.pullImageIfAbsent(dockerClient)
logger.info("Using image: " + SIMULATOR_IMAGE_FULL_NAME)
simulators_addresses = self.create_containers(dockerClient,
list_of_ports,
should_use_valid_certs,
should_disable_ssl,
should_connect_to_unencrypted_hv_ves)
self.assert_containers_startup_was_successful(dockerClient)
dockerClient.close()
return simulators_addresses
def pullImageIfAbsent(self, dockerClient):
try:
dockerClient.images.get(SIMULATOR_IMAGE_FULL_NAME)
except:
logger.console("Image " + SIMULATOR_IMAGE_FULL_NAME + " will be pulled from repository. "
"This can take a while.")
dockerClient.images.pull(SIMULATOR_IMAGE_FULL_NAME)
def create_containers(self,
dockerClient,
list_of_ports,
should_use_valid_certs,
should_disable_ssl,
should_connect_to_unencrypted_hv_ves):
simulators_addresses = []
for port in list_of_ports:
xnf = XnfSimulator(port, should_use_valid_certs, should_disable_ssl, should_connect_to_unencrypted_hv_ves)
container = self.run_simulator(dockerClient, xnf)
logger.info("Started container: " + container.name + " " + container.id)
simulators_addresses.append(container.name + ":" + xnf.port)
return simulators_addresses
def run_simulator(self, dockerClient, xnf):
xNF_startup_command = xnf.get_startup_command()
xNF_healthcheck_command = xnf.get_healthcheck_command()
port = xnf.port
logger.info("Startup command: " + str(xNF_startup_command))
logger.info("Healthcheck command: " + str(xNF_healthcheck_command))
return dockerClient.containers.run(SIMULATOR_IMAGE_FULL_NAME,
command=xNF_startup_command,
healthcheck=xNF_healthcheck_command,
detach=True,
network="ves-hv-default",
ports={port + "/tcp": port},
volumes=self.container_volumes(),
name=xnf.container_name_prefix + port)
def container_volumes(self):
return {certificates_dir_path: {"bind": collector_certs_lookup_dir, "mode": 'rw'}}
def assert_containers_startup_was_successful(self, dockerClient):
checks_amount = 6
check_interval_in_seconds = 5
for _ in range(checks_amount):
sleep(check_interval_in_seconds)
all_containers_healthy = True
for container in self.get_simulators_list(dockerClient):
all_containers_healthy = all_containers_healthy and self.is_container_healthy(container)
if (all_containers_healthy):
return
raise ContainerException("One of xNF simulators containers did not pass the healthcheck.")
def is_container_healthy(self, container):
container_health = container.attrs['State']['Health']['Status']
return container_health == 'healthy' and container.status == 'running'
def stop_and_remove_all_xnf_simulators(self, suite_name):
dockerClient = docker.from_env()
for container in self.get_simulators_list(dockerClient):
logger.info("Stopping and removing container: " + container.id)
log_filename = WORKSPACE_ENV + "/archives/containers_logs/" + \
suite_name.split(".")[-1] + "_" + container.name + ".log"
file = open(log_filename, "w+")
file.write(container.logs())
file.close()
container.stop()
container.remove()
dockerClient.close()
def get_simulators_list(self, dockerClient):
return dockerClient.containers.list(filters={"ancestor": SIMULATOR_IMAGE_FULL_NAME}, all=True)
def send_messages(self, simulator_url, message_filepath):
logger.info("Reading message to simulator from: " + message_filepath)
file = open(message_filepath, "rb")
data = file.read()
file.close()
logger.info("POST at: " + simulator_url)
resp = HttpRequests.session_without_env().post(simulator_url, data=data, timeout=5)
HttpRequests.checkStatusCode(resp.status_code, XNF_SIMULATOR_NAME)
class XnfSimulator:
container_name_prefix = "ves-hv-collector-xnf-simulator"
def __init__(self,
port,
should_use_valid_certs,
should_disable_ssl,
should_connect_to_unencrypted_hv_ves):
self.port = port
cert_name_prefix = "" if should_use_valid_certs else "untrusted"
certificates_path_with_file_prefix = collector_certs_lookup_dir + cert_name_prefix
self.key_store_path = certificates_path_with_file_prefix + "client.p12"
self.trust_store_path = certificates_path_with_file_prefix + "trust.p12"
self.sec_store_passwd = "onaponap"
self.disable_ssl = should_disable_ssl
self.hv_collector_host = "unencrypted-ves-hv-collector" \
if should_connect_to_unencrypted_hv_ves else "ves-hv-collector"
def get_startup_command(self):
startup_command = ["--listen-port", self.port,
"--ves-host", self.hv_collector_host,
"--ves-port", "6061",
"--key-store", self.key_store_path,
"--trust-store", self.trust_store_path,
"--key-store-password", self.sec_store_passwd,
"--trust-store-password", self.sec_store_passwd
]
if self.disable_ssl:
startup_command.append("--ssl-disable")
return startup_command
def get_healthcheck_command(self):
return {
"interval": 5 * ONE_SECOND_IN_NANOS,
"timeout": 3 * ONE_SECOND_IN_NANOS,
"retries": 1,
"test": ["CMD", "curl", "--request", "GET",
"--fail", "--silent", "--show-error",
"localhost:" + self.port + "/healthcheck"]
}
class ContainerException(Exception):
def __init__(self, message):
super(ContainerException, self).__init__(message)
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