stack-orchestrator/app/deploy/deployment.py

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# 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/>.
import click
from pathlib import Path
import sys
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from app.deploy.deploy import up_operation, down_operation, ps_operation, port_operation
from app.deploy.deploy import exec_operation, logs_operation, create_deploy_context
from app.deploy.stack import Stack
from app.deploy.spec import Spec
class DeploymentContext:
dir: Path
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spec: Spec
stack: Stack
def get_stack_file(self):
return self.dir.joinpath("stack.yml")
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def get_spec_file(self):
return self.dir.joinpath("spec.yml")
def get_env_file(self):
return self.dir.joinpath("config.env")
# TODO: implement me
def get_cluster_name(self):
return None
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def init(self, dir):
self.dir = dir
self.stack = Stack()
self.stack.init_from_file(self.get_stack_file())
self.spec = Spec()
self.spec.init_from_file(self.get_spec_file())
@click.group()
@click.option("--dir", required=True, help="path to deployment directory")
@click.pass_context
def command(ctx, dir):
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'''manage a deployment'''
# Check that --stack wasn't supplied
if ctx.parent.obj.stack:
print("Error: --stack can't be supplied with the deployment command")
sys.exit(1)
# Check dir is valid
dir_path = Path(dir)
if not dir_path.exists():
print(f"Error: deployment directory {dir} does not exist")
sys.exit(1)
if not dir_path.is_dir():
print(f"Error: supplied deployment directory path {dir} exists but is a file not a directory")
sys.exit(1)
# Store the deployment context for subcommands
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deployment_context = DeploymentContext()
deployment_context.init(dir_path)
ctx.obj = deployment_context
def make_deploy_context(ctx):
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context: DeploymentContext = ctx.obj
stack_file_path = context.get_stack_file()
env_file = context.get_env_file()
cluster_name = context.get_cluster_name()
return create_deploy_context(ctx.parent.parent.obj, stack_file_path, None, None, cluster_name, env_file,
context.spec.obj["deploy-to"])
@command.command()
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@click.option("--stay-attached/--detatch-terminal", default=False, help="detatch or not to see container stdout")
@click.argument('extra_args', nargs=-1) # help: command: up <service1> <service2>
@click.pass_context
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def up(ctx, stay_attached, extra_args):
ctx.obj = make_deploy_context(ctx)
services_list = list(extra_args) or None
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up_operation(ctx, services_list, stay_attached)
# start is the preferred alias for up
@command.command()
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@click.option("--stay-attached/--detatch-terminal", default=False, help="detatch or not to see container stdout")
@click.argument('extra_args', nargs=-1) # help: command: up <service1> <service2>
@click.pass_context
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def start(ctx, stay_attached, extra_args):
ctx.obj = make_deploy_context(ctx)
services_list = list(extra_args) or None
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up_operation(ctx, services_list, stay_attached)
@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):
# Get the stack config file name
# TODO: add cluster name and env file here
ctx.obj = make_deploy_context(ctx)
down_operation(ctx, delete_volumes, extra_args)
# stop is the preferred alias for down
@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 stop(ctx, delete_volumes, extra_args):
# TODO: add cluster name and env file here
ctx.obj = make_deploy_context(ctx)
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down_operation(ctx, delete_volumes, extra_args)
@command.command()
@click.pass_context
def ps(ctx):
ctx.obj = make_deploy_context(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):
ctx.obj = make_deploy_context(ctx)
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):
ctx.obj = make_deploy_context(ctx)
logs_operation(ctx, tail, follow, extra_args)
@command.command()
@click.pass_context
def status(ctx):
print(f"Context: {ctx.parent.obj}")