Deployments feature (#433)

Basic deployments framework

app/deployment.py

@@ -0,0 +1,140 @@
+# Copyright © 2022, 2023 Cerc
+
+# 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 dataclasses import dataclass
+from pathlib import Path
+import sys
+from .deploy import up_operation, down_operation, ps_operation, port_operation, exec_operation, logs_operation, create_deploy_context
+from .util import global_options
+
+
+@dataclass
+class DeploymentContext:
+    dir: Path
+
+
+@click.group()
+@click.option("--dir", required=True, help="path to deployment directory")
+@click.pass_context
+def command(ctx, dir):
+    # 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
+    ctx.obj = DeploymentContext(dir_path)
+
+
+def make_deploy_context(ctx):
+    # Get the stack config file name
+    stack_file_path = ctx.obj.dir.joinpath("stack.yml")
+    # TODO: add cluster name and env file here
+    return create_deploy_context(ctx.parent.parent.obj, stack_file_path, None, None, None, None)
+
+
+@command.command()
+@click.argument('extra_args', nargs=-1)  # help: command: up <service1> <service2>
+@click.pass_context
+def up(ctx, extra_args):
+    ctx.obj = make_deploy_context(ctx)
+    services_list = list(extra_args) or None
+    up_operation(ctx, services_list)
+
+
+# start is the preferred alias for up
+@command.command()
+@click.argument('extra_args', nargs=-1)  # help: command: up <service1> <service2>
+@click.pass_context
+def start(ctx, extra_args):
+    ctx.obj = make_deploy_context(ctx)
+    services_list = list(extra_args) or None
+    up_operation(ctx, services_list)
+
+
+@command.command()
+@click.argument('extra_args', nargs=-1)  # help: command: down <service1> <service2>
+@click.pass_context
+def down(ctx, 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, extra_args, None)
+
+
+# stop is the preferred alias for down
+@command.command()
+@click.argument('extra_args', nargs=-1)  # help: command: down <service1> <service2>
+@click.pass_context
+def stop(ctx, extra_args):
+    # TODO: add cluster name and env file here
+    ctx.obj = make_deploy_context(ctx)
+    down_operation(ctx, extra_args, None)
+
+
+@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.argument('extra_args', nargs=-1)  # help: command: logs <service1> <service2>
+@click.pass_context
+def logs(ctx, extra_args):
+    ctx.obj = make_deploy_context(ctx)
+    logs_operation(ctx, extra_args)
+
+
+@command.command()
+@click.pass_context
+def status(ctx):
+    print(f"Context: {ctx.parent.obj}")
+
+
+
+#from importlib import resources, util
+# TODO: figure out how to do this dynamically
+#stack = "mainnet-laconic"
+#module_name = "commands"
+#spec = util.spec_from_file_location(module_name, "./app/data/stacks/" + stack + "/deploy/commands.py")
+#imported_stack = util.module_from_spec(spec)
+#spec.loader.exec_module(imported_stack)
+#command.add_command(imported_stack.init)
+#command.add_command(imported_stack.create)