diff options
Diffstat (limited to 'k8s/k8sclient/k8sclient.py')
| -rw-r--r-- | k8s/k8sclient/k8sclient.py | 23 |
1 files changed, 18 insertions, 5 deletions
diff --git a/k8s/k8sclient/k8sclient.py b/k8s/k8sclient/k8sclient.py index 31631ad..d3417a7 100644 --- a/k8s/k8sclient/k8sclient.py +++ b/k8s/k8sclient/k8sclient.py @@ -116,7 +116,7 @@ def _create_probe(hc, port, use_tls=False): period_seconds = period, timeout_seconds = timeout, _exec = client.V1ExecAction( - command = [hc['script']] + command = hc['script'].split( ) ) ) return probe @@ -131,7 +131,7 @@ def _create_resources(resources=None): else: return None -def _create_container_object(name, image, always_pull, use_tls=False, env={}, container_ports=[], volume_mounts = [], resources = None, readiness = None): +def _create_container_object(name, image, always_pull, use_tls=False, env={}, container_ports=[], volume_mounts = [], resources = None, readiness = None, liveness = None): # Set up environment variables # Copy any passed in environment variables env_vars = [client.V1EnvVar(name=k, value=env[k]) for k in env.keys()] @@ -139,15 +139,21 @@ def _create_container_object(name, image, always_pull, use_tls=False, env={}, co pod_ip = client.V1EnvVarSource(field_ref = client.V1ObjectFieldSelector(field_path="status.podIP")) env_vars.append(client.V1EnvVar(name="POD_IP",value_from=pod_ip)) - # If a health check is specified, create a readiness probe + # If a health check is specified, create a readiness/liveness probe # (For an HTTP-based check, we assume it's at the first container port) probe = None + live_probe = None if readiness: hc_port = None if len(container_ports) > 0: (hc_port, proto) = container_ports[0] probe = _create_probe(readiness, hc_port, use_tls) + if liveness: + hc_port = None + if len(container_ports) > 0: + (hc_port, proto) = container_ports[0] + live_probe = _create_probe(liveness, hc_port, use_tls) if resources: resources_obj = _create_resources(resources) @@ -162,7 +168,8 @@ def _create_container_object(name, image, always_pull, use_tls=False, env={}, co ports=[client.V1ContainerPort(container_port=p, protocol=proto) for (p, proto) in container_ports], volume_mounts = volume_mounts, resources = resources_obj, - readiness_probe = probe + readiness_probe = probe, + liveness_probe = live_probe ) def _create_deployment_object(component_name, @@ -386,6 +393,12 @@ def deploy(namespace, component_name, image, replicas, always_pull, k8sconfig, r - timeout: time (in seconds) to allow a probe to complete - endpoint: the path portion of the URL that points to the readiness endpoint for "http" and "https" types - path: the full path to the script to be executed in the container for "script" and "docker" types + - liveness: dict with health check info; if present, used to create a liveness probe for the main container. Includes: + - type: check is done by making http(s) request to an endpoint ("http", "https") or by exec'ing a script in the container ("script", "docker") + - interval: period (in seconds) between probes + - timeout: time (in seconds) to allow a probe to complete + - endpoint: the path portion of the URL that points to the liveness endpoint for "http" and "https" types + - path: the full path to the script to be executed in the container for "script" and "docker" types ''' @@ -460,7 +473,7 @@ def deploy(namespace, component_name, image, replicas, always_pull, k8sconfig, r # Create the container for the component # Make it the first container in the pod - containers.insert(0, _create_container_object(component_name, image, always_pull, use_tls, kwargs.get("env", {}), container_ports, volume_mounts, resources, kwargs["readiness"])) + containers.insert(0, _create_container_object(component_name, image, always_pull, use_tls, kwargs.get("env", {}), container_ports, volume_mounts, resources, kwargs["readiness"], kwargs.get("liveness"))) # Build the k8s Deployment object labels = kwargs.get("labels", {}) |