Python kubernetes.client.V1ContainerPort() Examples

def init_containers(self, container_props, limit_resource, name):
        list_env_var = self.init_envs(container_props, name)
        container_name = self.pre_process_name(container_props.name)
        list_container_port = list()
        if container_props.ports:
            for container_port in container_props.ports:
                port = int(container_port)
                cport = client.V1ContainerPort(container_port=port)
                list_container_port.append(cport)
        container = client.V1Container(
            name=container_name,
            image=container_props.image,
            ports=list_container_port,
            resources=limit_resource,
            command=container_props.command,
            args=container_props.args,
            env=list_env_var,
            image_pull_policy="IfNotPresent")
        return container

    # init_deployment initializes Kubernetes Pod object 

def create_deployment(apps_v1_api):
    container = client.V1Container(
        name="deployment",
        image="gcr.io/google-appengine/fluentd-logger",
        image_pull_policy="Never",
        ports=[client.V1ContainerPort(container_port=5678)],
    )
    # Template
    template = client.V1PodTemplateSpec(
        metadata=client.V1ObjectMeta(labels={"app": "deployment"}),
        spec=client.V1PodSpec(containers=[container]))
    # Spec
    spec = client.V1DeploymentSpec(
        replicas=1,
        template=template)
    # Deployment
    deployment = client.V1Deployment(
        api_version="apps/v1",
        kind="Deployment",
        metadata=client.V1ObjectMeta(name="deployment"),
        spec=spec)
    # Creation of the Deployment in specified namespace
    # (Can replace "default" with a namespace you may have created)
    apps_v1_api.create_namespaced_deployment(
        namespace="default", body=deployment
    ) 

def create_deployment_object():
    # Configureate Pod template container
    container = client.V1Container(
        name="nginx",
        image="nginx:1.15.4",
        ports=[client.V1ContainerPort(container_port=80)],
        resources=client.V1ResourceRequirements(
            requests={"cpu": "100m", "memory": "200Mi"},
            limits={"cpu": "500m", "memory": "500Mi"}
        )
    )
    # Create and configurate a spec section
    template = client.V1PodTemplateSpec(
        metadata=client.V1ObjectMeta(labels={"app": "nginx"}),
        spec=client.V1PodSpec(containers=[container]))
    # Create the specification of deployment
    spec = client.V1DeploymentSpec(
        replicas=3,
        template=template,
        selector={'matchLabels': {'app': 'nginx'}})
    # Instantiate the deployment object
    deployment = client.V1Deployment(
        api_version="apps/v1",
        kind="Deployment",
        metadata=client.V1ObjectMeta(name=DEPLOYMENT_NAME),
        spec=spec)

    return deployment 

def get_kubernetes_containers(
        self,
        docker_volumes: Sequence[DockerVolume],
        system_paasta_config: SystemPaastaConfig,
        aws_ebs_volumes: Sequence[AwsEbsVolume],
        service_namespace_config: ServiceNamespaceConfig,
    ) -> Sequence[V1Container]:
        service_container = V1Container(
            image=self.get_docker_url(),
            command=self.get_cmd(),
            args=self.get_args(),
            env=self.get_container_env(),
            resources=self.get_resource_requirements(),
            lifecycle=V1Lifecycle(
                pre_stop=V1Handler(
                    _exec=V1ExecAction(command=["/bin/sh", "-c", "sleep 30"])
                )
            ),
            name=self.get_sanitised_instance_name(),
            liveness_probe=self.get_liveness_probe(service_namespace_config),
            ports=[V1ContainerPort(container_port=self.get_container_port())],
            security_context=self.get_security_context(),
            volume_mounts=self.get_volume_mounts(
                docker_volumes=docker_volumes,
                aws_ebs_volumes=aws_ebs_volumes,
                persistent_volumes=self.get_persistent_volumes(),
            ),
        )
        containers = [service_container] + self.get_sidecar_containers(  # type: ignore
            system_paasta_config=system_paasta_config,
            service_namespace_config=service_namespace_config,
        )
        return containers 

def customEndpointSpec(custom_model_spec, service_account):
    env = (
        [
            client.V1EnvVar(name=i["name"], value=i["value"])
            for i in custom_model_spec["env"]
        ]
        if custom_model_spec.get("env", "")
        else None
    )
    ports = (
        [client.V1ContainerPort(container_port=int(custom_model_spec.get("port", "")))]
        if custom_model_spec.get("port", "")
        else None
    )
    containerSpec = client.V1Container(
        name=custom_model_spec.get("name", "custom-container"),
        image=custom_model_spec["image"],
        env=env,
        ports=ports,
        command=custom_model_spec.get("command", None),
        args=custom_model_spec.get("args", None),
        image_pull_policy=custom_model_spec.get("image_pull_policy", None),
        working_dir=custom_model_spec.get("working_dir", None),
    )
    return V1alpha2EndpointSpec(
        predictor=V1alpha2PredictorSpec(
            custom=V1alpha2CustomSpec(container=containerSpec),
            service_account_name=service_account,
        )
    ) 

def deploy(self, image, name, ns, port, replicas=1, svc_type="NodePort", traffic_policy="Local", cluster_ip=None, ipv6=False):
        """
        Creates a deployment and corresponding service with the given
        parameters.
        """
        # Run a deployment with <replicas> copies of <image>, with the
        # pods labelled with "app": <name>.
        deployment = client.V1Deployment(
            api_version="apps/v1",
            kind="Deployment",
            metadata=client.V1ObjectMeta(name=name),
            spec=client.V1DeploymentSpec(
                replicas=replicas,
                selector={'matchLabels': {'app': name}},
                template=client.V1PodTemplateSpec(
                    metadata=client.V1ObjectMeta(labels={"app": name}),
                    spec=client.V1PodSpec(containers=[
                        client.V1Container(name=name,
                                           image=image,
                                           ports=[client.V1ContainerPort(container_port=port)]),
                    ]))))
        api_response = client.AppsV1Api().create_namespaced_deployment(
            body=deployment,
            namespace=ns)
        logger.debug("Deployment created. status='%s'" % str(api_response.status))

        # Create a service called <name> whose endpoints are the pods
        # with "app": <name>; i.e. those just created above.
        self.create_service(name, name, ns, port, svc_type, traffic_policy, ipv6=ipv6) 

def simple_deployment():
    """Return the Kubernetes config matching the simple-deployment.yaml manifest."""
    return client.V1Deployment(
        api_version='apps/v1',
        kind='Deployment',
        metadata=client.V1ObjectMeta(
            name='nginx-deployment',
            labels={
                'app': 'nginx'
            }
        ),
        spec=client.V1DeploymentSpec(
            replicas=3,
            selector=client.V1LabelSelector(
                match_labels={
                    'app': 'nginx'
                }
            ),
            template=client.V1PodTemplateSpec(
                metadata=client.V1ObjectMeta(
                    labels={
                        'app': 'nginx'
                    }
                ),
                spec=client.V1PodSpec(
                    containers=[
                        client.V1Container(
                            name='nginx',
                            image='nginx:1.7.9',
                            ports=[
                                client.V1ContainerPort(
                                    container_port=80
                                )
                            ]
                        )
                    ]
                )
            )
        )
    ) 

def simple_statefulset():
    """Return the Kubernetes config matching the simple-statefulset.yaml manifest."""
    return client.V1StatefulSet(
        api_version='apps/v1',
        kind='StatefulSet',
        metadata=client.V1ObjectMeta(
            name='postgres-statefulset',
            labels={
                'app': 'postgres'
            }
        ),
        spec=client.V1StatefulSetSpec(
            replicas=3,
            selector=client.V1LabelSelector(
                match_labels={
                    'app': 'postgres'
                }
            ),
            service_name='simple-service',
            template=client.V1PodTemplateSpec(
                metadata=client.V1ObjectMeta(
                    labels={
                        'app': 'postgres'
                    }
                ),
                spec=client.V1PodSpec(
                    containers=[
                        client.V1Container(
                            name='postgres',
                            image='postgres:9.6',
                            ports=[
                                client.V1ContainerPort(
                                    container_port=5432
                                )
                            ]
                        )
                    ]
                )
            )
        )
    ) 

def simple_daemonset():
    """Return the Kubernetes config matching the simple-daemonset.yaml manifest."""
    return client.V1DaemonSet(
        api_version='apps/v1',
        kind='DaemonSet',
        metadata=client.V1ObjectMeta(
            name='canal-daemonset',
            labels={
                'app': 'canal'
            }
        ),
        spec=client.V1DaemonSetSpec(
            selector=client.V1LabelSelector(
                match_labels={
                    'app': 'canal'
                }
            ),
            template=client.V1PodTemplateSpec(
                metadata=client.V1ObjectMeta(
                    labels={
                        'app': 'canal'
                    }
                ),
                spec=client.V1PodSpec(
                    containers=[
                        client.V1Container(
                            name='canal',
                            image='canal:3.7.2',
                            ports=[
                                client.V1ContainerPort(
                                    container_port=9099
                                )
                            ]
                        )
                    ]
                )
            )
        )
    ) 

def get_sidecar_containers(
        self,
        system_paasta_config: SystemPaastaConfig,
        service_namespace_config: ServiceNamespaceConfig,
    ) -> Sequence[V1Container]:
        registrations = " ".join(self.get_registrations())
        # s_m_j currently asserts that services are healthy in smartstack before
        # continuing a bounce. this readiness check lets us achieve the same thing
        readiness_probe: Optional[V1Probe]
        if (
            self.get_enable_nerve_readiness_check()
            and service_namespace_config.is_in_smartstack()
        ):
            readiness_probe = V1Probe(
                _exec=V1ExecAction(
                    command=[
                        system_paasta_config.get_nerve_readiness_check_script(),
                        str(self.get_container_port()),
                    ]
                    + self.get_registrations()
                ),
                initial_delay_seconds=10,
                period_seconds=10,
            )
        else:
            readiness_probe = None

        sidecars = []
        if service_namespace_config.is_in_smartstack():
            sidecars.append(
                V1Container(
                    image=system_paasta_config.get_hacheck_sidecar_image_url(),
                    lifecycle=V1Lifecycle(
                        pre_stop=V1Handler(
                            _exec=V1ExecAction(
                                command=[
                                    "/bin/sh",
                                    "-c",
                                    f"/usr/bin/hadown {registrations}; sleep 31",
                                ]
                            )
                        )
                    ),
                    resources=self.get_sidecar_resource_requirements(),
                    name=HACHECK_POD_NAME,
                    env=self.get_kubernetes_environment(),
                    ports=[V1ContainerPort(container_port=6666)],
                    readiness_probe=readiness_probe,
                )
            )
        return sidecars 

def create(image_data):
        """
        :param image_data: ImageMetadata
        :return: V1Pod,
            https://github.com/kubernetes-client/python/blob/master/kubernetes/docs/V1Pod.md
        """

        # convert environment variables to Kubernetes objects
        env_variables = []
        for key, value in image_data.env_variables.items():
            env_variables.append(client.V1EnvVar(name=key, value=value))

        # convert exposed ports to Kubernetes objects
        exposed_ports = []
        if image_data.exposed_ports is not None:
            for port in image_data.exposed_ports:
                splits = port.split("/", 1)
                port = int(splits[0])
                protocol = splits[1].upper() if len(splits) > 1 else None
                exposed_ports.append(client.V1ContainerPort(container_port=port, protocol=protocol))

        # generate container name {image-name}-{username}-{random-4-letters}
        # take just name of image and remove tag
        image_name = image_data.name.split("/")[-1].split(":")[0]
        random_string = ''.join(
            random.choice(string.ascii_lowercase + string.digits) for _ in range(4))
        container_name = '{image_name}-{user_name}-{random_string}'.format(
            image_name=image_name,
            user_name=getpass.getuser(),
            random_string=random_string)

        container = client.V1Container(command=image_data.command,
                                       env=env_variables,
                                       image=image_data.name,
                                       name=container_name,
                                       ports=exposed_ports)

        pod_metadata = client.V1ObjectMeta(name=container_name + "-pod")
        pod_spec = client.V1PodSpec(containers=[container])
        pod = client.V1Pod(spec=pod_spec, metadata=pod_metadata)

        return pod