438 lines
19 KiB
Python
438 lines
19 KiB
Python
# Copyright © 2022, 2023 Vulcanize
|
|
|
|
# This program is free software: you can redistribute it and/or modify
|
|
# it under the terms of the GNU Affero General Public License as published by
|
|
# the Free Software Foundation, either version 3 of the License, or
|
|
# (at your option) any later version.
|
|
|
|
# This program is distributed in the hope that it will be useful,
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
# GNU Affero General Public License for more details.
|
|
|
|
# You should have received a copy of the GNU Affero General Public License
|
|
# along with this program. If not, see <http:#www.gnu.org/licenses/>.
|
|
|
|
# Deploys the system components using a deployer (either docker-compose or k8s)
|
|
|
|
import hashlib
|
|
import copy
|
|
import os
|
|
import sys
|
|
from dataclasses import dataclass
|
|
from importlib import resources
|
|
import subprocess
|
|
import click
|
|
from pathlib import Path
|
|
from stack_orchestrator.util import include_exclude_check, get_parsed_stack_config, global_options2, get_dev_root_path
|
|
from stack_orchestrator.deploy.deployer import Deployer, DeployerException
|
|
from stack_orchestrator.deploy.deployer_factory import getDeployer
|
|
from stack_orchestrator.deploy.deploy_types import ClusterContext, DeployCommandContext
|
|
from stack_orchestrator.deploy.deployment_context import DeploymentContext
|
|
from stack_orchestrator.deploy.deployment_create import create as deployment_create
|
|
from stack_orchestrator.deploy.deployment_create import init as deployment_init
|
|
from stack_orchestrator.deploy.deployment_create import setup as deployment_setup
|
|
|
|
|
|
@click.group()
|
|
@click.option("--include", help="only start these components")
|
|
@click.option("--exclude", help="don\'t start these components")
|
|
@click.option("--env-file", help="env file to be used")
|
|
@click.option("--cluster", help="specify a non-default cluster name")
|
|
@click.option("--deploy-to", help="cluster system to deploy to (compose or k8s)")
|
|
@click.pass_context
|
|
def command(ctx, include, exclude, env_file, cluster, deploy_to):
|
|
'''deploy a stack'''
|
|
|
|
# Although in theory for some subcommands (e.g. deploy create) the stack can be inferred,
|
|
# Click doesn't allow us to know that here, so we make providing the stack mandatory
|
|
stack = global_options2(ctx).stack
|
|
if not stack:
|
|
print("Error: --stack option is required")
|
|
sys.exit(1)
|
|
|
|
if ctx.parent.obj.debug:
|
|
print(f"ctx.parent.obj: {ctx.parent.obj}")
|
|
|
|
if deploy_to is None:
|
|
deploy_to = "compose"
|
|
|
|
ctx.obj = create_deploy_context(global_options2(ctx), None, stack, include, exclude, cluster, env_file, deploy_to)
|
|
# Subcommand is executed now, by the magic of click
|
|
|
|
|
|
def create_deploy_context(
|
|
global_context, deployment_context: DeploymentContext, stack, include, exclude, cluster, env_file, deployer):
|
|
cluster_context = _make_cluster_context(global_context, stack, include, exclude, cluster, env_file)
|
|
deployment_dir = deployment_context.deployment_dir if deployment_context else None
|
|
# See: https://gabrieldemarmiesse.github.io/python-on-whales/sub-commands/compose/
|
|
deployer = getDeployer(deployer, deployment_dir, compose_files=cluster_context.compose_files,
|
|
compose_project_name=cluster_context.cluster,
|
|
compose_env_file=cluster_context.env_file)
|
|
return DeployCommandContext(stack, cluster_context, deployer)
|
|
|
|
|
|
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)
|
|
|
|
|
|
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)
|
|
|
|
|
|
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:")
|
|
for container in container_list:
|
|
print(f"id: {container.id}, name: {container.name}, ports: ", end="")
|
|
ports = container.network_settings.ports
|
|
comma = ""
|
|
for port_mapping in ports.keys():
|
|
mapping = ports[port_mapping]
|
|
print(comma, end="")
|
|
if mapping is None:
|
|
print(f"{port_mapping}", end="")
|
|
else:
|
|
print(f"{mapping[0]['HostIp']}:{mapping[0]['HostPort']}->{port_mapping}", end="")
|
|
comma = ", "
|
|
print()
|
|
else:
|
|
print("No containers running")
|
|
|
|
|
|
def port_operation(ctx, extra_args):
|
|
global_context = ctx.parent.parent.obj
|
|
extra_args_list = list(extra_args) or None
|
|
if not global_context.dry_run:
|
|
if extra_args_list is None or len(extra_args_list) < 2:
|
|
print("Usage: port <service> <exposed-port>")
|
|
sys.exit(1)
|
|
service_name = extra_args_list[0]
|
|
exposed_port = extra_args_list[1]
|
|
if global_context.verbose:
|
|
print(f"Running compose port {service_name} {exposed_port}")
|
|
mapped_port_data = ctx.obj.deployer.port(service_name, exposed_port)
|
|
print(f"{mapped_port_data[0]}:{mapped_port_data[1]}")
|
|
|
|
|
|
def exec_operation(ctx, extra_args):
|
|
global_context = ctx.parent.parent.obj
|
|
extra_args_list = list(extra_args) or None
|
|
if not global_context.dry_run:
|
|
if extra_args_list is None or len(extra_args_list) < 2:
|
|
print("Usage: exec <service> <cmd>")
|
|
sys.exit(1)
|
|
service_name = extra_args_list[0]
|
|
command_to_exec = ["sh", "-c"] + extra_args_list[1:]
|
|
container_exec_env = _make_runtime_env(global_context)
|
|
if global_context.verbose:
|
|
print(f"Running compose exec {service_name} {command_to_exec}")
|
|
try:
|
|
ctx.obj.deployer.execute(service_name, command_to_exec, envs=container_exec_env)
|
|
except DeployerException:
|
|
print("container command returned error exit status")
|
|
|
|
|
|
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="")
|
|
|
|
|
|
@command.command()
|
|
@click.argument('extra_args', nargs=-1) # help: command: up <service1> <service2>
|
|
@click.pass_context
|
|
def up(ctx, extra_args):
|
|
extra_args_list = list(extra_args) or None
|
|
up_operation(ctx, extra_args_list)
|
|
|
|
|
|
@command.command()
|
|
@click.option("--delete-volumes/--preserve-volumes", default=False, help="delete data volumes")
|
|
@click.argument('extra_args', nargs=-1) # help: command: down<service1> <service2>
|
|
@click.pass_context
|
|
def down(ctx, delete_volumes, extra_args):
|
|
extra_args_list = list(extra_args) or None
|
|
down_operation(ctx, delete_volumes, extra_args_list)
|
|
|
|
|
|
@command.command()
|
|
@click.pass_context
|
|
def ps(ctx):
|
|
ps_operation(ctx)
|
|
|
|
|
|
@command.command()
|
|
@click.argument('extra_args', nargs=-1) # help: command: port <service1> <service2>
|
|
@click.pass_context
|
|
def port(ctx, extra_args):
|
|
port_operation(ctx, extra_args)
|
|
|
|
|
|
@command.command()
|
|
@click.argument('extra_args', nargs=-1) # help: command: exec <service> <command>
|
|
@click.pass_context
|
|
def exec(ctx, extra_args):
|
|
exec_operation(ctx, extra_args)
|
|
|
|
|
|
@command.command()
|
|
@click.option("--tail", "-n", default=None, help="number of lines to display")
|
|
@click.option("--follow", "-f", is_flag=True, default=False, help="follow log output")
|
|
@click.argument('extra_args', nargs=-1) # help: command: logs <service1> <service2>
|
|
@click.pass_context
|
|
def logs(ctx, tail, follow, extra_args):
|
|
logs_operation(ctx, tail, follow, extra_args)
|
|
|
|
|
|
def get_stack_status(ctx, stack):
|
|
|
|
ctx_copy = copy.copy(ctx)
|
|
ctx_copy.stack = stack
|
|
|
|
cluster_context = _make_cluster_context(ctx_copy, stack, None, None, None, None)
|
|
deployer = Deployer(compose_files=cluster_context.compose_files, compose_project_name=cluster_context.cluster)
|
|
# TODO: refactor to avoid duplicating this code above
|
|
if ctx.verbose:
|
|
print("Running compose ps")
|
|
container_list = deployer.ps()
|
|
if len(container_list) > 0:
|
|
if ctx.debug:
|
|
print(f"Container list from compose ps: {container_list}")
|
|
return True
|
|
else:
|
|
if ctx.debug:
|
|
print("No containers found from compose ps")
|
|
False
|
|
|
|
|
|
def _make_runtime_env(ctx):
|
|
container_exec_env = {
|
|
"CERC_HOST_UID": f"{os.getuid()}",
|
|
"CERC_HOST_GID": f"{os.getgid()}"
|
|
}
|
|
container_exec_env.update({"CERC_SCRIPT_DEBUG": "true"} if ctx.debug else {})
|
|
return container_exec_env
|
|
|
|
|
|
# stack has to be either PathLike pointing to a stack yml file, or a string with the name of a known stack
|
|
def _make_cluster_context(ctx, stack, include, exclude, cluster, env_file):
|
|
|
|
dev_root_path = get_dev_root_path(ctx)
|
|
|
|
# TODO: huge hack, fix this
|
|
# If the caller passed a path for the stack file, then we know that we can get the compose files
|
|
# from the same directory
|
|
deployment = False
|
|
if isinstance(stack, os.PathLike):
|
|
compose_dir = stack.parent.joinpath("compose")
|
|
deployment = True
|
|
else:
|
|
# See: https://stackoverflow.com/questions/25389095/python-get-path-of-root-project-structure
|
|
compose_dir = Path(__file__).absolute().parent.parent.joinpath("data", "compose")
|
|
|
|
if cluster is None:
|
|
# Create default unique, stable cluster name from confile file path and stack name if provided
|
|
# TODO: change this to the config file path
|
|
path = os.path.realpath(sys.argv[0])
|
|
unique_cluster_descriptor = f"{path},{stack},{include},{exclude}"
|
|
if ctx.debug:
|
|
print(f"pre-hash descriptor: {unique_cluster_descriptor}")
|
|
hash = hashlib.md5(unique_cluster_descriptor.encode()).hexdigest()
|
|
cluster = f"laconic-{hash}"
|
|
if ctx.verbose:
|
|
print(f"Using cluster name: {cluster}")
|
|
|
|
# See: https://stackoverflow.com/a/20885799/1701505
|
|
from stack_orchestrator import data
|
|
with resources.open_text(data, "pod-list.txt") as pod_list_file:
|
|
all_pods = pod_list_file.read().splitlines()
|
|
|
|
pods_in_scope = []
|
|
if stack:
|
|
stack_config = get_parsed_stack_config(stack)
|
|
# TODO: syntax check the input here
|
|
pods_in_scope = stack_config['pods']
|
|
cluster_config = stack_config['config'] if 'config' in stack_config else None
|
|
else:
|
|
pods_in_scope = all_pods
|
|
cluster_config = None
|
|
|
|
# Convert all pod definitions to v1.1 format
|
|
pods_in_scope = _convert_to_new_format(pods_in_scope)
|
|
|
|
if ctx.verbose:
|
|
print(f"Pods: {pods_in_scope}")
|
|
|
|
# Construct a docker compose command suitable for our purpose
|
|
|
|
compose_files = []
|
|
pre_start_commands = []
|
|
post_start_commands = []
|
|
for pod in pods_in_scope:
|
|
pod_name = pod["name"]
|
|
pod_repository = pod["repository"]
|
|
pod_path = pod["path"]
|
|
if include_exclude_check(pod_name, include, exclude):
|
|
if pod_repository is None or pod_repository == "internal":
|
|
compose_file_name = os.path.join(compose_dir, f"docker-compose-{pod_path}.yml")
|
|
else:
|
|
if deployment:
|
|
compose_file_name = os.path.join(compose_dir, f"docker-compose-{pod_name}.yml")
|
|
pod_pre_start_command = pod["pre_start_command"]
|
|
pod_post_start_command = pod["post_start_command"]
|
|
script_dir = compose_dir.parent.joinpath("pods", pod_name, "scripts")
|
|
if pod_pre_start_command is not None:
|
|
pre_start_commands.append(os.path.join(script_dir, pod_pre_start_command))
|
|
if pod_post_start_command is not None:
|
|
post_start_commands.append(os.path.join(script_dir, pod_post_start_command))
|
|
else:
|
|
pod_root_dir = os.path.join(dev_root_path, pod_repository.split("/")[-1], pod["path"])
|
|
compose_file_name = os.path.join(pod_root_dir, f"docker-compose-{pod_name}.yml")
|
|
pod_pre_start_command = pod["pre_start_command"]
|
|
pod_post_start_command = pod["post_start_command"]
|
|
if pod_pre_start_command is not None:
|
|
pre_start_commands.append(os.path.join(pod_root_dir, pod_pre_start_command))
|
|
if pod_post_start_command is not None:
|
|
post_start_commands.append(os.path.join(pod_root_dir, pod_post_start_command))
|
|
compose_files.append(compose_file_name)
|
|
else:
|
|
if ctx.verbose:
|
|
print(f"Excluding: {pod_name}")
|
|
|
|
if ctx.verbose:
|
|
print(f"files: {compose_files}")
|
|
|
|
return ClusterContext(ctx, cluster, compose_files, pre_start_commands, post_start_commands, cluster_config, env_file)
|
|
|
|
|
|
def _convert_to_new_format(old_pod_array):
|
|
new_pod_array = []
|
|
for old_pod in old_pod_array:
|
|
if isinstance(old_pod, dict):
|
|
new_pod_array.append(old_pod)
|
|
else:
|
|
new_pod = {
|
|
"name": old_pod,
|
|
"repository": "internal",
|
|
"path": old_pod
|
|
}
|
|
new_pod_array.append(new_pod)
|
|
return new_pod_array
|
|
|
|
|
|
def _run_command(ctx, cluster_name, command):
|
|
if ctx.verbose:
|
|
print(f"Running command: {command}")
|
|
command_dir = os.path.dirname(command)
|
|
command_file = os.path.join(".", os.path.basename(command))
|
|
command_env = os.environ.copy()
|
|
command_env["CERC_SO_COMPOSE_PROJECT"] = cluster_name
|
|
if ctx.debug:
|
|
command_env["CERC_SCRIPT_DEBUG"] = "true"
|
|
command_result = subprocess.run(command_file, shell=True, env=command_env, cwd=command_dir)
|
|
if command_result.returncode != 0:
|
|
print(f"FATAL Error running command: {command}")
|
|
sys.exit(1)
|
|
|
|
|
|
def _orchestrate_cluster_config(ctx, cluster_config, deployer, container_exec_env):
|
|
|
|
@dataclass
|
|
class ConfigDirective:
|
|
source_container: str
|
|
source_variable: str
|
|
destination_container: str
|
|
destination_variable: str
|
|
|
|
if cluster_config is not None:
|
|
for container in cluster_config:
|
|
container_config = cluster_config[container]
|
|
if ctx.verbose:
|
|
print(f"{container} config: {container_config}")
|
|
for directive in container_config:
|
|
pd = ConfigDirective(
|
|
container_config[directive].split(".")[0],
|
|
container_config[directive].split(".")[1],
|
|
container,
|
|
directive
|
|
)
|
|
if ctx.verbose:
|
|
print(f"Setting {pd.destination_container}.{pd.destination_variable}"
|
|
f" = {pd.source_container}.{pd.source_variable}")
|
|
# TODO: add a timeout
|
|
waiting_for_data = True
|
|
destination_output = "*** no output received yet ***"
|
|
while waiting_for_data:
|
|
# TODO: fix the script paths so they're consistent between containers
|
|
source_value = None
|
|
try:
|
|
source_value = deployer.execute(pd.source_container,
|
|
["sh", "-c",
|
|
"sh /docker-entrypoint-scripts.d/export-"
|
|
f"{pd.source_variable}.sh"],
|
|
tty=False,
|
|
envs=container_exec_env)
|
|
except DeployerException as error:
|
|
if ctx.debug:
|
|
print(f"Docker exception reading config source: {error}")
|
|
# If the script executed failed for some reason, we get:
|
|
# "It returned with code 1"
|
|
if "It returned with code 1" in str(error):
|
|
if ctx.verbose:
|
|
print("Config export script returned an error, re-trying")
|
|
# If the script failed to execute (e.g. the file is not there) then we get:
|
|
# "It returned with code 2"
|
|
if "It returned with code 2" in str(error):
|
|
print(f"Fatal error reading config source: {error}")
|
|
if source_value:
|
|
if ctx.debug:
|
|
print(f"fetched source value: {source_value}")
|
|
destination_output = deployer.execute(pd.destination_container,
|
|
["sh", "-c",
|
|
f"sh /scripts/import-{pd.destination_variable}.sh"
|
|
f" {source_value}"],
|
|
tty=False,
|
|
envs=container_exec_env)
|
|
waiting_for_data = False
|
|
if ctx.debug:
|
|
print(f"destination output: {destination_output}")
|
|
|
|
|
|
command.add_command(deployment_init)
|
|
command.add_command(deployment_create)
|
|
command.add_command(deployment_setup)
|