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Implement dry run support for k8s deploy

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This commit is contained in:
David Boreham 2024-02-06 06:58:42 -07:00
parent 25a2b70f2c
commit f8159c51fa
3 changed files with 132 additions and 125 deletions
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10
stack_orchestrator/deploy/compose/deploy_docker.py
View File

@ -17,6 +17,7 @@ from pathlib import Path
from python_on_whales import DockerClient, DockerException
from stack_orchestrator.deploy.deployer import Deployer, DeployerException, DeployerConfigGenerator
from stack_orchestrator.deploy.deployment_context import DeploymentContext
from stack_orchestrator.opts import opts
class DockerDeployer(Deployer):
@ -29,24 +30,28 @@ class DockerDeployer(Deployer):
self.type = type
def up(self, detach, services):
if not opts.o.dry_run:
try:
return self.docker.compose.up(detach=detach, services=services)
except DockerException as e:
raise DeployerException(e)
def down(self, timeout, volumes):
if not opts.o.dry_run:
try:
return self.docker.compose.down(timeout=timeout, volumes=volumes)
except DockerException as e:
raise DeployerException(e)
def update(self):
if not opts.o.dry_run:
try:
return self.docker.compose.restart()
except DockerException as e:
raise DeployerException(e)
def status(self):
if not opts.o.dry_run:
try:
for p in self.docker.compose.ps():
print(f"{p.name}\t{p.state.status}")
@ -54,30 +59,35 @@ class DockerDeployer(Deployer):
raise DeployerException(e)
def ps(self):
if not opts.o.dry_run:
try:
return self.docker.compose.ps()
except DockerException as e:
raise DeployerException(e)
def port(self, service, private_port):
if not opts.o.dry_run:
try:
return self.docker.compose.port(service=service, private_port=private_port)
except DockerException as e:
raise DeployerException(e)
def execute(self, service, command, tty, envs):
if not opts.o.dry_run:
try:
return self.docker.compose.execute(service=service, command=command, tty=tty, envs=envs)
except DockerException as e:
raise DeployerException(e)
def logs(self, services, tail, follow, stream):
if not opts.o.dry_run:
try:
return self.docker.compose.logs(services=services, tail=tail, follow=follow, stream=stream)
except DockerException as e:
raise DeployerException(e)
def run(self, image: str, command=None, user=None, volumes=None, entrypoint=None, env={}, ports=[], detach=False):
if not opts.o.dry_run:
try:
return self.docker.run(image=image, command=command, user=user, volumes=volumes,
entrypoint=entrypoint, envs=env, detach=detach, publish=ports, publish_all=len(ports) == 0)

21
stack_orchestrator/deploy/deploy.py
View File

@ -85,7 +85,6 @@ def create_deploy_context(
def up_operation(ctx, services_list, stay_attached=False):
global_context = ctx.parent.parent.obj
deploy_context = ctx.obj
if not global_context.dry_run:
cluster_context = deploy_context.cluster_context
container_exec_env = _make_runtime_env(global_context)
for attr, value in container_exec_env.items():
@ -101,10 +100,6 @@ def up_operation(ctx, services_list, stay_attached=False):
def down_operation(ctx, delete_volumes, extra_args_list):
global_context = ctx.parent.parent.obj
if not global_context.dry_run:
if global_context.verbose:
print("Running compose down")
timeout_arg = None
if extra_args_list:
timeout_arg = extra_args_list[0]
@ -113,26 +108,16 @@ def down_operation(ctx, delete_volumes, extra_args_list):
def status_operation(ctx):
global_context = ctx.parent.parent.obj
if not global_context.dry_run:
if global_context.verbose:
print("Running compose status")
ctx.obj.deployer.status()
def update_operation(ctx):
global_context = ctx.parent.parent.obj
if not global_context.dry_run:
if global_context.verbose:
print("Running compose update")
ctx.obj.deployer.update()
def ps_operation(ctx):
global_context = ctx.parent.parent.obj
if not global_context.dry_run:
if global_context.verbose:
print("Running compose ps")
container_list = ctx.obj.deployer.ps()
if len(container_list) > 0:
print("Running containers:")
@ -187,11 +172,7 @@ def exec_operation(ctx, extra_args):
def logs_operation(ctx, tail: int, follow: bool, extra_args: str):
global_context = ctx.parent.parent.obj
extra_args_list = list(extra_args) or None
if not global_context.dry_run:
if global_context.verbose:
print("Running compose logs")
services_list = extra_args_list if extra_args_list is not None else []
logs_stream = ctx.obj.deployer.logs(services=services_list, tail=tail, follow=follow, stream=True)
for stream_type, stream_content in logs_stream:
@ -463,7 +444,7 @@ def _orchestrate_cluster_config(ctx, cluster_config, deployer, container_exec_en
tty=False,
envs=container_exec_env)
waiting_for_data = False
if ctx.debug:
if ctx.debug and not waiting_for_data:
print(f"destination output: {destination_output}")

34
stack_orchestrator/deploy/k8s/deploy_k8s.py
View File

@ -81,20 +81,13 @@ class K8sDeployer(Deployer):
self.apps_api = client.AppsV1Api()
self.custom_obj_api = client.CustomObjectsApi()
def up(self, detach, services):
if self.is_kind():
# Create the kind cluster
create_cluster(self.kind_cluster_name, self.deployment_dir.joinpath(constants.kind_config_filename))
# Ensure the referenced containers are copied into kind
load_images_into_kind(self.kind_cluster_name, self.cluster_info.image_set)
self.connect_api()
def _create_volume_data(self):
# Create the host-path-mounted PVs for this deployment
pvs = self.cluster_info.get_pvs()
for pv in pvs:
if opts.o.debug:
print(f"Sending this pv: {pv}")
if not opts.o.dry_run:
pv_resp = self.core_api.create_persistent_volume(body=pv)
if opts.o.debug:
print("PVs created:")
@ -105,6 +98,8 @@ class K8sDeployer(Deployer):
for pvc in pvcs:
if opts.o.debug:
print(f"Sending this pvc: {pvc}")
if not opts.o.dry_run:
pvc_resp = self.core_api.create_namespaced_persistent_volume_claim(body=pvc, namespace=self.k8s_namespace)
if opts.o.debug:
print("PVCs created:")
@ -115,6 +110,7 @@ class K8sDeployer(Deployer):
for cfg_map in config_maps:
if opts.o.debug:
print(f"Sending this ConfigMap: {cfg_map}")
if not opts.o.dry_run:
cfg_rsp = self.core_api.create_namespaced_config_map(
body=cfg_map,
namespace=self.k8s_namespace
@ -123,11 +119,13 @@ class K8sDeployer(Deployer):
print("ConfigMap created:")
print(f"{cfg_rsp}")
def _create_deployment(self):
# Process compose files into a Deployment
deployment = self.cluster_info.get_deployment(image_pull_policy=None if self.is_kind() else "Always")
# Create the k8s objects
if opts.o.debug:
print(f"Sending this deployment: {deployment}")
if not opts.o.dry_run:
deployment_resp = self.apps_api.create_namespaced_deployment(
body=deployment, namespace=self.k8s_namespace
)
@ -137,6 +135,9 @@ class K8sDeployer(Deployer):
{deployment_resp.metadata.generation} {deployment_resp.spec.template.spec.containers[0].image}")
service: client.V1Service = self.cluster_info.get_service()
if opts.o.debug:
print(f"Sending this service: {service}")
if not opts.o.dry_run:
service_resp = self.core_api.create_namespaced_service(
namespace=self.k8s_namespace,
body=service
@ -145,12 +146,27 @@ class K8sDeployer(Deployer):
print("Service created:")
print(f"{service_resp}")
def up(self, detach, services):
if not opts.o.dry_run:
if self.is_kind():
# Create the kind cluster
create_cluster(self.kind_cluster_name, self.deployment_dir.joinpath(constants.kind_config_filename))
# Ensure the referenced containers are copied into kind
load_images_into_kind(self.kind_cluster_name, self.cluster_info.image_set)
self.connect_api()
else:
print("Dry run mode enabled, skipping k8s API connect")
self._create_volume_data()
self._create_deployment()
if not self.is_kind():
ingress: client.V1Ingress = self.cluster_info.get_ingress()
if ingress:
if opts.o.debug:
print(f"Sending this ingress: {ingress}")
if not opts.o.dry_run:
ingress_resp = self.networking_api.create_namespaced_ingress(
namespace=self.k8s_namespace,
body=ingress