def check(self):
cmd = ShellCommand("kubectl", "exec", self.path.k8s, "cat", self.log_path)
if not cmd.check("check envoy access log"):
pytest.exit("envoy access log does not exist")
for line in cmd.stdout.splitlines():
assert access_log_entry_regex.match(line), f"{line} does not match {access_log_entry_regex}"
def run_hook(self, watt_k8s: WattDict) -> Tuple[bool, bool]:
json.dump({ 'Consul': {}, 'Kubernetes': watt_k8s },
open("/tmp/mockery.json", "w"), sort_keys=True, indent=4)
cmdline = shlex.split(self.watch)
if self.debug:
cmdline.append("--debug")
cmdline.append("/tmp/mockery.json")
self.logger.info(f"Running watch hook {cmdline}")
hook = ShellCommand(*cmdline)
if not hook.check(" ".join(cmdline)):
return False, False
for line in hook.stderr.splitlines(keepends=False):
self.logger.info(f"hook stderr: {line}")
any_changes = False
hook_output = hook.stdout
if hook_output:
new_watches = json.loads(hook_output)
self.logger.info(f"new watches: {new_watches}")
for w in new_watches.get("kubernetes-watches") or []:
potential = WatchSpec(
logger=self.logger,
kind=w['kind'],
namespace=w.get('namespace'),
labels=w.get('label-selector'),
fields=w.get('field-selector'),
bootstrap=False
)
if self.maybe_add(potential):
any_changes = True
return True, any_changes
def queries(self):
if DEV:
cmd = ShellCommand("docker", "ps", "-qf", "name=%s" % self.path.k8s)
if not cmd.check(f'docker check for {self.path.k8s}'):
if not cmd.stdout.strip():
log_cmd = ShellCommand("docker", "logs", self.path.k8s, stderr=subprocess.STDOUT)
if log_cmd.check(f'docker logs for {self.path.k8s}'):
print(cmd.stdout)
pytest.exit(f'container failed to start for {self.path.k8s}')
return ()
def post_manifest(self):
if not DEV:
return
if os.environ.get('KAT_SKIP_DOCKER'):
return
image = os.environ["AMBASSADOR_DOCKER_IMAGE"]
cached_image = os.environ["BASE_PY_IMAGE"]
ambassador_base_image = os.environ["BASE_GO_IMAGE"]
if not AmbassadorTest.IMAGE_BUILT:
AmbassadorTest.IMAGE_BUILT = True
cmd = ShellCommand('docker', 'ps', '-a', '-f',
'label=kat-family=ambassador', '--format',
'{{.ID}}')
if cmd.check('find old docker container IDs'):
ids = cmd.stdout.split('\n')
while ids:
if ids[-1]:
break
ids.pop()
if ids:
print("Killing old containers...")
ShellCommand.run('kill old containers',
'docker',
'kill',
*ids,
verbose=True)
ShellCommand.run('rm old containers',
'docker',
'rm',
*ids,
verbose=True)
context = os.path.dirname(
os.path.dirname(os.path.dirname(__file__)))
print("Starting docker build...", end="")
sys.stdout.flush()
cmd = ShellCommand(
"docker", "build", "--build-arg",
"BASE_PY_IMAGE={}".format(cached_image), "--build-arg",
"BASE_GO_IMAGE={}".format(ambassador_base_image), context,
"-t", image)
if cmd.check("docker build Ambassador image"):
print("done.")
else:
pytest.exit("container failed to build")
fname = "/tmp/k8s-%s.yaml" % self.path.k8s
if os.path.exists(fname):
with open(fname) as fd:
content = fd.read()
else:
nsp = getattr(self, 'namespace', None) or 'default'
cmd = ShellCommand("kubectl", "get", "-n", nsp, "-o", "yaml",
"secret", self.path.k8s)
if not cmd.check(f'fetch secret for {self.path.k8s}'):
pytest.exit(f'could not fetch secret for {self.path.k8s}')
content = cmd.stdout
with open(fname, "wb") as fd:
fd.write(content.encode('utf-8'))
try:
secret = yaml.load(content, Loader=yaml_loader)
except Exception as e:
print("could not parse YAML:\n%s" % content)
raise e
data = secret['data']
# secret_dir = tempfile.mkdtemp(prefix=self.path.k8s, suffix="secret")
secret_dir = "/tmp/%s-ambassadormixin-%s" % (self.path.k8s, 'secret')
shutil.rmtree(secret_dir, ignore_errors=True)
os.mkdir(secret_dir, 0o777)
for k, v in data.items():
with open(os.path.join(secret_dir, k), "wb") as f:
f.write(base64.decodebytes(bytes(v, "utf8")))
print("Launching %s container." % self.path.k8s)
command = [
"docker", "run", "-d", "-l", "kat-family=ambassador", "--name",
self.path.k8s
]
envs = [
"KUBERNETES_SERVICE_HOST=kubernetes",
"KUBERNETES_SERVICE_PORT=443", "AMBASSADOR_SNAPSHOT_COUNT=1",
"AMBASSADOR_CONFIG_BASE_DIR=/tmp/ambassador",
"AMBASSADOR_ID=%s" % self.ambassador_id
]
if self.namespace:
envs.append("AMBASSADOR_NAMESPACE=%s" % self.namespace)
if self.single_namespace:
envs.append("AMBASSADOR_SINGLE_NAMESPACE=yes")
if self.disable_endpoints:
envs.append("AMBASSADOR_DISABLE_ENDPOINTS=yes")
if self.debug_diagd:
envs.append("AMBASSADOR_DEBUG=diagd")
envs.extend(self.env)
[command.extend(["-e", env]) for env in envs]
ports = [
"%s:8877" % (8877 + self.index),
"%s:8080" % (8080 + self.index),
"%s:8443" % (8443 + self.index)
]
if self.extra_ports:
for port in self.extra_ports:
ports.append(f'{port}:{port}')
[command.extend(["-p", port]) for port in ports]
volumes = [
"%s:/var/run/secrets/kubernetes.io/serviceaccount" % secret_dir
]
[command.extend(["-v", volume]) for volume in volumes]
command.append(image)
if os.environ.get('KAT_SHOW_DOCKER'):
print(" ".join(command))
cmd = ShellCommand(*command)
if not cmd.check(f'start container for {self.path.k8s}'):
pytest.exit(f'could not start container for {self.path.k8s}')
def check(self):
cmd = ShellCommand('kubectl', 'exec', self.path.k8s, '--',
'ambassador', '--help')
assert cmd.check("ambassador cli")
