def _create_default_deployment():
labels = {"test": "true"}
object_meta = ObjectMeta(name=NAME, namespace=NAMESPACE, labels=labels)
container_port = ContainerPort(name="http5000", containerPort=5000)
http = HTTPGetAction(path="/", port="http5000")
liveness = Probe(httpGet=http)
tcp = TCPSocketAction(port=5000)
readiness = Probe(tcpSocket=tcp)
container = Container(name="container",
image="dummy_image",
ports=[container_port],
livenessProbe=liveness,
readinessProbe=readiness)
image_pull_secret = LocalObjectReference(name="image_pull_secret")
pod_spec = PodSpec(containers=[container],
imagePullSecrets=[image_pull_secret],
serviceAccountName="default")
pod_template_spec = PodTemplateSpec(metadata=object_meta, spec=pod_spec)
deployer_spec = DeploymentSpec(replicas=2,
selector=LabelSelector(matchLabels=labels),
template=pod_template_spec,
revisionHistoryLimit=5)
deployment = Deployment(metadata=object_meta, spec=deployer_spec)
return deployment
def _create_pod():
object_meta = ObjectMeta(name=NAME,
namespace=NAMESPACE,
labels={
"test": "true",
"app": NAME
})
container_port = ContainerPort(name="http5000", containerPort=5000)
secrets_volume_mounts = [
VolumeMount(
name=NAME,
readOnly=True,
mountPath="/var/run/secrets/kubernetes.io/kubernetes-secrets")
]
secret_volumes = [
Volume(name=NAME, secret=SecretVolumeSource(secretName=NAME))
]
container = Container(name="container",
image="dummy_image",
ports=[container_port],
volumeMounts=secrets_volume_mounts)
image_pull_secret = LocalObjectReference(name="image_pull_secret")
pod_spec = PodSpec(containers=[container],
imagePullSecrets=[image_pull_secret],
volumes=secret_volumes,
serviceAccountName="default")
first = Pod(metadata=object_meta, spec=pod_spec)
return first
def test_lifecycle(self, logger):
object_meta = ObjectMeta(name=NAME,
namespace=NAMESPACE,
labels={"test": "true"})
container_port = ContainerPort(name="http5000", containerPort=5000)
http = HTTPGetAction(path="/", port="http5000")
liveness = Probe(httpGet=http)
tcp = TCPSocketAction(port=5000)
readiness = Probe(tcpSocket=tcp)
container = Container(name="container",
image="dummy_image",
ports=[container_port],
livenessProbe=liveness,
readinessProbe=readiness)
image_pull_secret = LocalObjectReference(name="image_pull_secret")
pod_spec = PodSpec(containers=[container],
imagePullSecrets=[image_pull_secret],
serviceAccountName="default")
pod_template_spec = PodTemplateSpec(metadata=object_meta,
spec=pod_spec)
rc_spec = ReplicationControllerSpec(replicas=2,
selector={"test": "true"},
template=pod_template_spec)
first = ReplicationController(metadata=object_meta, spec=rc_spec)
logger.debug(pformat(first.as_dict()))
first.save()
second = ReplicationController.get(NAME, NAMESPACE)
assert first.metadata.name == second.metadata.name
assert first.metadata.namespace == second.metadata.namespace
def deployment():
main_container = Container(
env=[EnvVar(name=CANARY_NAME, value=CANARY_VALUE)])
pod_spec = PodSpec(containers=[main_container])
pod_metadata = ObjectMeta(annotations={CANARY_NAME: CANARY_VALUE})
pod_template_spec = PodTemplateSpec(spec=pod_spec, metadata=pod_metadata)
deployment_spec = DeploymentSpec(template=pod_template_spec)
return Deployment(spec=deployment_spec)
def _create_deployment(available_replicas, namespace, image):
container = Container(image=image)
pod_spec = PodSpec(containers=[container])
pod_template_spec = PodTemplateSpec(spec=pod_spec)
spec = DeploymentSpec(replicas=1, template=pod_template_spec)
status = DeploymentStatus(availableReplicas=available_replicas)
metadata = ObjectMeta(name=NAME, namespace=namespace)
return Deployment(metadata=metadata, spec=spec, status=status)
def _create_pod_spec(args, channel, namespace, spec_config):
container = Container(name="fiaas-deploy-daemon-bootstrap",
image=channel.metadata['image'],
command=["fiaas-deploy-daemon-bootstrap"] + args,
resources=_create_resource_requirements(
namespace, spec_config))
pod_spec = PodSpec(containers=[container],
serviceAccountName="default",
restartPolicy="Never")
return pod_spec
def _create_default_job():
labels = {"test": "true"}
object_meta = ObjectMeta(name=NAME, namespace=NAMESPACE, labels=labels)
container = Container(name="container", image="dummy_image")
image_pull_secret = LocalObjectReference(name="image_pull_secret")
pod_spec = PodSpec(containers=[container],
imagePullSecrets=[image_pull_secret],
serviceAccountName="default",
restartPolicy="Never")
pod_template_spec = PodTemplateSpec(metadata=object_meta, spec=pod_spec)
job_spec = JobSpec(template=pod_template_spec)
job = Job(metadata=object_meta, spec=job_spec)
return job
def test_lifecycle(self, logger):
object_meta = ObjectMeta(name=NAME, namespace=NAMESPACE, labels={"test": "true", "app": NAME})
container_port = ContainerPort(name="http5000", containerPort=5000)
secrets_volume_mounts = [VolumeMount(name=NAME, readOnly=True, mountPath="/var/run/secrets/kubernetes.io/kubernetes-secrets")]
secret_volumes = [Volume(name=NAME, secret=SecretVolumeSource(secretName=NAME))]
container = Container(name="container", image="dummy_image", ports=[container_port], volumeMounts=secrets_volume_mounts)
image_pull_secret = LocalObjectReference(name="image_pull_secret")
pod_spec = PodSpec(containers=[container], imagePullSecrets=[image_pull_secret],
volumes=secret_volumes, serviceAccountName="default")
first = Pod(metadata=object_meta, spec=pod_spec)
logger.debug(pformat(first.as_dict()))
first.save()
pods = Pod.find(NAME, NAMESPACE)
assert len(pods) == 1
second = pods[0]
assert first.metadata.name == second.metadata.name
assert first.metadata.namespace == second.metadata.namespace
def _create_default_cronjob():
object_meta = ObjectMeta(name=NAME, namespace=NAMESPACE)
container = Container(name="container", image="dummy_image")
pod_spec = PodSpec(containers=[container],
serviceAccountName="default",
restartPolicy="OnFailure")
pod_template_spec = PodTemplateSpec(metadata=object_meta, spec=pod_spec)
job_spec = JobSpec(template=pod_template_spec)
job_template_spec = JobTemplateSpec(metadata=object_meta, spec=job_spec)
cronjob_spec = CronJobSpec(concurencyPolicy="Allow",
failedJobsHistoryLimit=0,
jobTemplate=job_template_spec,
schedule="*/1 * * * *",
startingDeadlineSeconds=5,
successfulJobsHistoryLimit=100,
suspend=True)
cronjob = CronJob(metadata=object_meta, spec=cronjob_spec)
return cronjob
def deployment(self):
main_container = Container(env=[EnvVar(name="DUMMY", value="CANARY")])
pod_spec = PodSpec(containers=[main_container])
pod_template_spec = PodTemplateSpec(spec=pod_spec)
deployment_spec = DeploymentSpec(template=pod_template_spec)
return Deployment(spec=deployment_spec)
def deploy(self, app_spec, selector, labels, besteffort_qos_is_required):
LOG.info("Creating new deployment for %s", app_spec.name)
deployment_labels = merge_dicts(app_spec.labels.deployment, labels)
metadata = ObjectMeta(name=app_spec.name,
namespace=app_spec.namespace,
labels=deployment_labels,
annotations=app_spec.annotations.deployment)
container_ports = [
ContainerPort(name=port_spec.name,
containerPort=port_spec.target_port)
for port_spec in app_spec.ports
]
env = self._make_env(app_spec)
pull_policy = "IfNotPresent" if (":" in app_spec.image and ":latest"
not in app_spec.image) else "Always"
env_from = [
EnvFromSource(configMapRef=ConfigMapEnvSource(name=app_spec.name,
optional=True))
]
containers = [
Container(
name=app_spec.name,
image=app_spec.image,
ports=container_ports,
env=env,
envFrom=env_from,
lifecycle=self._lifecycle,
livenessProbe=_make_probe(app_spec.health_checks.liveness),
readinessProbe=_make_probe(app_spec.health_checks.readiness),
imagePullPolicy=pull_policy,
volumeMounts=self._make_volume_mounts(app_spec),
resources=_make_resource_requirements(app_spec.resources))
]
automount_service_account_token = app_spec.admin_access
init_containers = []
service_account_name = "default"
pod_spec = PodSpec(
containers=containers,
initContainers=init_containers,
volumes=self._make_volumes(app_spec),
serviceAccountName=service_account_name,
automountServiceAccountToken=automount_service_account_token,
terminationGracePeriodSeconds=self._grace_period)
pod_labels = merge_dicts(app_spec.labels.pod,
_add_status_label(labels))
pod_metadata = ObjectMeta(name=app_spec.name,
namespace=app_spec.namespace,
labels=pod_labels,
annotations=app_spec.annotations.pod)
pod_template_spec = PodTemplateSpec(metadata=pod_metadata,
spec=pod_spec)
replicas = app_spec.replicas
# we must avoid that the deployment scales up to app_spec.replicas if autoscaler has set another value
if should_have_autoscaler(app_spec):
try:
deployment = Deployment.get(app_spec.name, app_spec.namespace)
replicas = deployment.spec.replicas
except NotFound:
pass
deployment_strategy = DeploymentStrategy(
rollingUpdate=RollingUpdateDeployment(
maxUnavailable=self._max_unavailable,
maxSurge=self._max_surge))
if app_spec.replicas == 1 and app_spec.singleton:
deployment_strategy = DeploymentStrategy(
rollingUpdate=RollingUpdateDeployment(maxUnavailable=1,
maxSurge=0))
spec = DeploymentSpec(replicas=replicas,
selector=LabelSelector(matchLabels=selector),
template=pod_template_spec,
revisionHistoryLimit=5,
strategy=deployment_strategy)
deployment = Deployment.get_or_create(metadata=metadata, spec=spec)
_clear_pod_init_container_annotations(deployment)
self._datadog.apply(deployment, app_spec, besteffort_qos_is_required)
self._prometheus.apply(deployment, app_spec)
self._secrets.apply(deployment, app_spec)
deployment.save()
