cerc-io/stack-orchestrator
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David Boreham 2024-02-06 07:11:08 -07:00
commit 01ab438c7e
10 changed files with 183 additions and 141 deletions
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1
.gitea/workflows/triggers/test-k8s-deploy
View File

@ -1 +1,2 @@
Change this file to trigger running the test-k8s-deploy CI job
Trigger test on PR branch

2
stack_orchestrator/data/compose/docker-compose-test.yml
View File

@ -7,8 +7,10 @@ services:
CERC_TEST_PARAM_1: ${CERC_TEST_PARAM_1:-FAILED}
volumes:
- test-data:/data
- test-config:/config:ro
ports:
- "80"
volumes:
test-data:
test-config:

15
stack_orchestrator/data/container-build/cerc-test-container/run.sh
View File

@ -17,5 +17,20 @@ fi
if [ -n "$CERC_TEST_PARAM_1" ]; then
echo "Test-param-1: ${CERC_TEST_PARAM_1}"
fi
if [ -d "/config" ]; then
echo "/config: EXISTS"
for f in /config/*; do
if [[ -f "$f" ]] || [[ -L "$f" ]]; then
echo "$f:"
cat "$f"
echo ""
echo ""
fi
done
else
echo "/config: does NOT EXIST"
fi
# Run nginx which will block here forever
/usr/sbin/nginx -g "daemon off;"

86
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):
@ -29,60 +30,69 @@ class DockerDeployer(Deployer):
self.type = type
def up(self, detach, services):
try:
return self.docker.compose.up(detach=detach, services=services)
except DockerException as e:
raise DeployerException(e)
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):
try:
return self.docker.compose.down(timeout=timeout, volumes=volumes)
except DockerException as e:
raise DeployerException(e)
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):
try:
return self.docker.compose.restart()
except DockerException as e:
raise DeployerException(e)
if not opts.o.dry_run:
try:
return self.docker.compose.restart()
except DockerException as e:
raise DeployerException(e)
def status(self):
try:
for p in self.docker.compose.ps():
print(f"{p.name}\t{p.state.status}")
except DockerException as e:
raise DeployerException(e)
if not opts.o.dry_run:
try:
for p in self.docker.compose.ps():
print(f"{p.name}\t{p.state.status}")
except DockerException as e:
raise DeployerException(e)
def ps(self):
try:
return self.docker.compose.ps()
except DockerException as e:
raise DeployerException(e)
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):
try:
return self.docker.compose.port(service=service, private_port=private_port)
except DockerException as e:
raise DeployerException(e)
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):
try:
return self.docker.compose.execute(service=service, command=command, tty=tty, envs=envs)
except DockerException as e:
raise DeployerException(e)
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):
try:
return self.docker.compose.logs(services=services, tail=tail, follow=follow, stream=stream)
except DockerException as e:
raise DeployerException(e)
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):
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)
except DockerException as e:
raise DeployerException(e)
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)
except DockerException as e:
raise DeployerException(e)
class DockerDeployerConfigGenerator(DeployerConfigGenerator):

67
stack_orchestrator/deploy/deploy.py
View File

@ -85,54 +85,39 @@ 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():
os.environ[attr] = value
if global_context.verbose:
print(f"Running compose up with container_exec_env: {container_exec_env}, extra_args: {services_list}")
for pre_start_command in cluster_context.pre_start_commands:
_run_command(global_context, cluster_context.cluster, pre_start_command)
deploy_context.deployer.up(detach=not stay_attached, services=services_list)
for post_start_command in cluster_context.post_start_commands:
_run_command(global_context, cluster_context.cluster, post_start_command)
_orchestrate_cluster_config(global_context, cluster_context.config, deploy_context.deployer, container_exec_env)
cluster_context = deploy_context.cluster_context
container_exec_env = _make_runtime_env(global_context)
for attr, value in container_exec_env.items():
os.environ[attr] = value
if global_context.verbose:
print(f"Running compose up with container_exec_env: {container_exec_env}, extra_args: {services_list}")
for pre_start_command in cluster_context.pre_start_commands:
_run_command(global_context, cluster_context.cluster, pre_start_command)
deploy_context.deployer.up(detach=not stay_attached, services=services_list)
for post_start_command in cluster_context.post_start_commands:
_run_command(global_context, cluster_context.cluster, post_start_command)
_orchestrate_cluster_config(global_context, cluster_context.config, deploy_context.deployer, container_exec_env)
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]
# Specify shutdown timeout (default 10s) to give services enough time to shutdown gracefully
ctx.obj.deployer.down(timeout=timeout_arg, volumes=delete_volumes)
timeout_arg = None
if extra_args_list:
timeout_arg = extra_args_list[0]
# Specify shutdown timeout (default 10s) to give services enough time to shutdown gracefully
ctx.obj.deployer.down(timeout=timeout_arg, volumes=delete_volumes)
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()
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()
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:")
@ -187,15 +172,11 @@ 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:
print(stream_content.decode("utf-8"), end="")
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:
print(stream_content.decode("utf-8"), end="")
@command.command()
@ -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}")

4
stack_orchestrator/deploy/deployer_factory.py
View File

@ -18,11 +18,11 @@ from stack_orchestrator.deploy.k8s.deploy_k8s import K8sDeployer, K8sDeployerCon
from stack_orchestrator.deploy.compose.deploy_docker import DockerDeployer, DockerDeployerConfigGenerator
def getDeployerConfigGenerator(type: str):
def getDeployerConfigGenerator(type: str, deployment_context):
if type == "compose" or type is None:
return DockerDeployerConfigGenerator(type)
elif type == constants.k8s_deploy_type or type == constants.k8s_kind_deploy_type:
return K8sDeployerConfigGenerator(type)
return K8sDeployerConfigGenerator(type, deployment_context)
else:
print(f"ERROR: deploy-to {type} is not valid")

2
stack_orchestrator/deploy/deployment_create.py
View File

@ -487,7 +487,7 @@ def create_operation(deployment_command_context, spec_file, deployment_dir, netw
deployment_context = DeploymentContext()
deployment_context.init(deployment_dir_path)
# Call the deployer to generate any deployer-specific files (e.g. for kind)
deployer_config_generator = getDeployerConfigGenerator(deployment_type)
deployer_config_generator = getDeployerConfigGenerator(deployment_type, deployment_context)
# TODO: make deployment_dir_path a Path above
deployer_config_generator.generate(deployment_dir_path)
call_stack_deploy_create(deployment_context, [network_dir, initial_peers, deployment_command_context])

109
stack_orchestrator/deploy/k8s/deploy_k8s.py
View File

@ -81,69 +81,84 @@ 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}")
pv_resp = self.core_api.create_persistent_volume(body=pv)
if opts.o.debug:
print("PVs created:")
print(f"{pv_resp}")
if not opts.o.dry_run:
pv_resp = self.core_api.create_persistent_volume(body=pv)
if opts.o.debug:
print("PVs created:")
print(f"{pv_resp}")
# Figure out the PVCs for this deployment
pvcs = self.cluster_info.get_pvcs()
for pvc in pvcs:
if opts.o.debug:
print(f"Sending this pvc: {pvc}")
pvc_resp = self.core_api.create_namespaced_persistent_volume_claim(body=pvc, namespace=self.k8s_namespace)
if opts.o.debug:
print("PVCs created:")
print(f"{pvc_resp}")
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:")
print(f"{pvc_resp}")
# Figure out the ConfigMaps for this deployment
config_maps = self.cluster_info.get_configmaps()
for cfg_map in config_maps:
if opts.o.debug:
print(f"Sending this ConfigMap: {cfg_map}")
cfg_rsp = self.core_api.create_namespaced_config_map(
body=cfg_map,
namespace=self.k8s_namespace
)
if opts.o.debug:
print("ConfigMap created:")
print(f"{cfg_rsp}")
if not opts.o.dry_run:
cfg_rsp = self.core_api.create_namespaced_config_map(
body=cfg_map,
namespace=self.k8s_namespace
)
if opts.o.debug:
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}")
deployment_resp = self.apps_api.create_namespaced_deployment(
body=deployment, namespace=self.k8s_namespace
)
if opts.o.debug:
print("Deployment created:")
print(f"{deployment_resp.metadata.namespace} {deployment_resp.metadata.name} \
{deployment_resp.metadata.generation} {deployment_resp.spec.template.spec.containers[0].image}")
if not opts.o.dry_run:
deployment_resp = self.apps_api.create_namespaced_deployment(
body=deployment, namespace=self.k8s_namespace
)
if opts.o.debug:
print("Deployment created:")
print(f"{deployment_resp.metadata.namespace} {deployment_resp.metadata.name} \
{deployment_resp.metadata.generation} {deployment_resp.spec.template.spec.containers[0].image}")
service: client.V1Service = self.cluster_info.get_service()
service_resp = self.core_api.create_namespaced_service(
namespace=self.k8s_namespace,
body=service
)
if opts.o.debug:
print("Service created:")
print(f"{service_resp}")
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
)
if opts.o.debug:
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()
@ -151,13 +166,14 @@ class K8sDeployer(Deployer):
if ingress:
if opts.o.debug:
print(f"Sending this ingress: {ingress}")
ingress_resp = self.networking_api.create_namespaced_ingress(
namespace=self.k8s_namespace,
body=ingress
)
if opts.o.debug:
print("Ingress created:")
print(f"{ingress_resp}")
if not opts.o.dry_run:
ingress_resp = self.networking_api.create_namespaced_ingress(
namespace=self.k8s_namespace,
body=ingress
)
if opts.o.debug:
print("Ingress created:")
print(f"{ingress_resp}")
else:
if opts.o.debug:
print("No ingress configured")
@ -390,8 +406,9 @@ class K8sDeployer(Deployer):
class K8sDeployerConfigGenerator(DeployerConfigGenerator):
type: str
def __init__(self, type: str) -> None:
def __init__(self, type: str, deployment_context) -> None:
self.type = type
self.deployment_context = deployment_context
super().__init__()
def generate(self, deployment_dir: Path):
@ -399,7 +416,7 @@ class K8sDeployerConfigGenerator(DeployerConfigGenerator):
if self.type == "k8s-kind":
# Check the file isn't already there
# Get the config file contents
content = generate_kind_config(deployment_dir)
content = generate_kind_config(deployment_dir, self.deployment_context)
if opts.o.debug:
print(f"kind config is: {content}")
config_file = deployment_dir.joinpath(constants.kind_config_filename)

20
stack_orchestrator/deploy/k8s/helpers.py
View File

@ -140,8 +140,9 @@ def _get_host_paths_for_volumes(parsed_pod_files):
volumes = parsed_pod_file["volumes"]
for volume_name in volumes.keys():
volume_definition = volumes[volume_name]
host_path = volume_definition["driver_opts"]["device"]
result[volume_name] = host_path
if volume_definition and "driver_opts" in volume_definition:
host_path = volume_definition["driver_opts"]["device"]
result[volume_name] = host_path
return result
@ -153,7 +154,7 @@ def _make_absolute_host_path(data_mount_path: Path, deployment_dir: Path) -> Pat
return Path.cwd().joinpath(deployment_dir.joinpath("compose").joinpath(data_mount_path)).resolve()
def _generate_kind_mounts(parsed_pod_files, deployment_dir):
def _generate_kind_mounts(parsed_pod_files, deployment_dir, deployment_context):
volume_definitions = []
volume_host_path_map = _get_host_paths_for_volumes(parsed_pod_files)
# Note these paths are relative to the location of the pod files (at present)
@ -178,10 +179,11 @@ def _generate_kind_mounts(parsed_pod_files, deployment_dir):
print(f"volumne_name: {volume_name}")
print(f"map: {volume_host_path_map}")
print(f"mount path: {mount_path}")
volume_definitions.append(
f" - hostPath: {_make_absolute_host_path(volume_host_path_map[volume_name], deployment_dir)}\n"
f" containerPath: {get_node_pv_mount_path(volume_name)}\n"
)
if volume_name not in deployment_context.spec.get_configmaps():
volume_definitions.append(
f" - hostPath: {_make_absolute_host_path(volume_host_path_map[volume_name], deployment_dir)}\n"
f" containerPath: {get_node_pv_mount_path(volume_name)}\n"
)
return (
"" if len(volume_definitions) == 0 else (
" extraMounts:\n"
@ -237,13 +239,13 @@ def envs_from_environment_variables_map(map: Mapping[str, str]) -> List[client.V
# extraMounts:
# - hostPath: /path/to/my/files
# containerPath: /files
def generate_kind_config(deployment_dir: Path):
def generate_kind_config(deployment_dir: Path, deployment_context):
compose_file_dir = deployment_dir.joinpath("compose")
# TODO: this should come from the stack file, not this way
pod_files = [p for p in compose_file_dir.iterdir() if p.is_file()]
parsed_pod_files_map = parsed_pod_files_map_from_file_names(pod_files)
port_mappings_yml = _generate_kind_port_mappings(parsed_pod_files_map)
mounts_yml = _generate_kind_mounts(parsed_pod_files_map, deployment_dir)
mounts_yml = _generate_kind_mounts(parsed_pod_files_map, deployment_dir, deployment_context)
return (
"kind: Cluster\n"
"apiVersion: kind.x-k8s.io/v1alpha4\n"

18
tests/k8s-deploy/run-deploy-test.sh
View File

@ -97,6 +97,10 @@ if [ ! "$create_file_content" == "create-command-output-data" ]; then
echo "deploy create test: FAILED"
exit 1
fi
# Add a config file to be picked up by the ConfigMap before starting.
echo "dbfc7a4d-44a7-416d-b5f3-29842cc47650" > $test_deployment_dir/data/test-config/test_config
echo "deploy create output file test: passed"
# Try to start the deployment
$TEST_TARGET_SO deployment --dir $test_deployment_dir start
@ -117,6 +121,16 @@ else
echo "deployment config test: FAILED"
delete_cluster_exit
fi
# Check that the ConfigMap is mounted and contains the expected content.
log_output_4=$( $TEST_TARGET_SO deployment --dir $test_deployment_dir logs )
if [[ "$log_output_4" == *"/config/test_config:"* ]] && [[ "$log_output_4" == *"dbfc7a4d-44a7-416d-b5f3-29842cc47650"* ]]; then
echo "deployment ConfigMap test: passed"
else
echo "deployment ConfigMap test: FAILED"
delete_cluster_exit
fi
# Stop then start again and check the volume was preserved
$TEST_TARGET_SO deployment --dir $test_deployment_dir stop
# Sleep a bit just in case
@ -125,8 +139,8 @@ sleep 20
$TEST_TARGET_SO deployment --dir $test_deployment_dir start
wait_for_pods_started
wait_for_log_output
log_output_4=$( $TEST_TARGET_SO deployment --dir $test_deployment_dir logs )
if [[ "$log_output_4" == *"Filesystem is old"* ]]; then
log_output_5=$( $TEST_TARGET_SO deployment --dir $test_deployment_dir logs )
if [[ "$log_output_5" == *"Filesystem is old"* ]]; then
echo "Retain volumes test: passed"
else
echo "Retain volumes test: FAILED"