Additional refactoring

app/data/compose/docker-compose-mainnet-laconicd.yml

@@ -0,0 +1,30 @@
+services:
+  laconicd:
+    restart: unless-stopped
+    image: cerc/laconicd:local
+    command: ["sh", "/docker-entrypoint-scripts.d/create-fixturenet.sh"]
+    volumes:
+      # The cosmos-sdk node's database directory:
+      - laconicd-data:/root/.laconicd/data
+      # TODO: look at folding these scripts into the container
+      - ../config/fixturenet-laconicd/create-fixturenet.sh:/docker-entrypoint-scripts.d/create-fixturenet.sh
+      - ../config/fixturenet-laconicd/export-mykey.sh:/docker-entrypoint-scripts.d/export-mykey.sh
+      - ../config/fixturenet-laconicd/export-myaddress.sh:/docker-entrypoint-scripts.d/export-myaddress.sh
+    # TODO: determine which of the ports below is really needed
+    ports:
+      - "6060"
+      - "26657"
+      - "26656"
+      - "9473:9473"
+      - "8545"
+      - "8546"
+      - "9090"
+      - "9091"
+      - "1317"
+  cli:
+    image: cerc/laconic-registry-cli:local
+    volumes:
+      - ../config/fixturenet-laconicd/registry-cli-config-template.yml:/registry-cli-config-template.yml
+
+volumes:
+  laconicd-data

app/data/stacks/mainnet-laconic/deploy/commands.py

@@ -17,8 +17,10 @@ import click
 import os
 from shutil import copyfile
 import sys
+from .util import get_stack_config_filename, get_parsed_deployment_spec
 
-default_spec_file_content = """data_dir: /my/path
+default_spec_file_content = """stack: mainnet-laconic
+data_dir: /my/path
 node_name: my-node-name
 """
 
@@ -39,12 +41,17 @@ def init(ctx, output):
 @click.option("--deployment-dir", help="Create deployment files in this directory")
 @click.pass_context
 def create(ctx, spec_file, deployment_dir):
-    # TODO: check spec-file exists and is readable
+    # This function fails with a useful error message if the file doens't exist
+    parsed_spec = get_parsed_deployment_spec(spec_file)
+    if ctx.debug:
+        print(f"parsed spec: {parsed_spec}")
     if deployment_dir is None:
         deployment_dir = make_default_deployment_dir()
     if os.path.exists(deployment_dir):
         print(f"Error: {deployment_dir} already exists")
         sys.exit(1)
     os.mkdir(deployment_dir)
-    # Copy spec file into the deployment dir
+    # Copy spec file and the stack file into the deployment dir
     copyfile(spec_file, os.path.join(deployment_dir, os.path.basename(spec_file)))
+    stack_file = get_stack_config_filename(parsed_spec.stack)
+    copyfile(stack_file, os.path.join(deployment_dir, os.path.basename(stack_file)))

app/data/stacks/mainnet-laconic/stack.yml

@@ -24,9 +24,8 @@ containers:
   - cerc/laconic-console-host
 pods:
   - mainnet-laconicd
-  - laconic-console
+  - fixturenet-laconic-console
 config:
   cli:
     key: laconicd.mykey
     address: laconicd.myaddress
-

app/deploy.py

@@ -21,12 +21,14 @@ import os
 import sys
 from dataclasses import dataclass
 from decouple import config
+from importlib import resources
 import subprocess
 from python_on_whales import DockerClient, DockerException
 import click
-from importlib import resources, util
 from pathlib import Path
-from .util import include_exclude_check, get_parsed_stack_config
+from .util import include_exclude_check, get_parsed_stack_config, global_options2
+from .deployment_create import create as deployment_create
+from .deployment_create import init as deployment_init
 
 
 class DeployCommandContext(object):
@@ -44,35 +46,44 @@ class DeployCommandContext(object):
 def command(ctx, include, exclude, env_file, cluster):
     '''deploy a stack'''
 
-    cluster_context = _make_cluster_context(ctx.obj, include, exclude, cluster, env_file)
+    if ctx.parent.obj.debug:
+        print(f"ctx.parent.obj: {ctx.parent.obj}")
+    ctx.obj = create_deploy_context(global_options2(ctx), global_options2(ctx).stack, include, exclude, cluster, env_file)
+    # Subcommand is executed now, by the magic of click
 
+
+def create_deploy_context(global_context, stack, include, exclude, cluster, env_file):
+    cluster_context = _make_cluster_context(global_context, stack, include, exclude, cluster, env_file)
     # See: https://gabrieldemarmiesse.github.io/python-on-whales/sub-commands/compose/
     docker = DockerClient(compose_files=cluster_context.compose_files, compose_project_name=cluster_context.cluster,
                           compose_env_file=cluster_context.env_file)
+    return DeployCommandContext(cluster_context, docker)
 
-    ctx.obj = DeployCommandContext(cluster_context, docker)
+
-    # Subcommand is executed now, by the magic of click
+def up_operation(ctx, services_list):
+    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.docker.compose.up(detach=True, 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.docker, container_exec_env)
 
 
 @command.command()
 @click.argument('extra_args', nargs=-1)  # help: command: up <service1> <service2>
 @click.pass_context
 def up(ctx, extra_args):
-    global_context = ctx.parent.parent.obj
     extra_args_list = list(extra_args) or None
-    if not global_context.dry_run:
+    up_operation(ctx, extra_args_list)
-        cluster_context = ctx.obj.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: {extra_args_list}")
-        for pre_start_command in cluster_context.pre_start_commands:
-            _run_command(global_context, cluster_context.cluster, pre_start_command)
-        ctx.obj.docker.compose.up(detach=True, services=extra_args_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, ctx.obj.docker, container_exec_env)
 
 
 @command.command()
@@ -176,7 +187,7 @@ def get_stack_status(ctx, stack):
     ctx_copy = copy.copy(ctx)
     ctx_copy.stack = stack
 
-    cluster_context = _make_cluster_context(ctx_copy, None, None, None, None)
+    cluster_context = _make_cluster_context(ctx_copy, stack, None, None, None, None)
     docker = DockerClient(compose_files=cluster_context.compose_files, compose_project_name=cluster_context.cluster)
     # TODO: refactor to avoid duplicating this code above
     if ctx.verbose:
@@ -201,7 +212,8 @@ def _make_runtime_env(ctx):
     return container_exec_env
 
 
-def _make_cluster_context(ctx, include, exclude, cluster, env_file):
+# 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):
 
     if ctx.local_stack:
         dev_root_path = os.getcwd()[0:os.getcwd().rindex("stack-orchestrator")]
@@ -209,14 +221,20 @@ def _make_cluster_context(ctx, include, exclude, cluster, env_file):
     else:
         dev_root_path = os.path.expanduser(config("CERC_REPO_BASE_DIR", default="~/cerc"))
 
-    # See: https://stackoverflow.com/questions/25389095/python-get-path-of-root-project-structure
+    # TODO: huge hack, fix this
-    compose_dir = Path(__file__).absolute().parent.joinpath("data", "compose")
+    # If the caller passed a path for the stack file, then we know that we can get the compose files
+    # from the same directory
+    if isinstance(stack, os.PathLike):
+        compose_dir = stack.parent
+    else:
+        # See: https://stackoverflow.com/questions/25389095/python-get-path-of-root-project-structure
+        compose_dir = Path(__file__).absolute().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},{ctx.stack},{include},{exclude}"
+        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()
@@ -230,8 +248,8 @@ def _make_cluster_context(ctx, include, exclude, cluster, env_file):
         all_pods = pod_list_file.read().splitlines()
 
     pods_in_scope = []
-    if ctx.stack:
+    if stack:
-        stack_config = get_parsed_stack_config(ctx.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
@@ -379,11 +397,5 @@ def _orchestrate_cluster_config(ctx, cluster_config, docker, container_exec_env)
                         print(f"destination output: {destination_output}")
 
 
-# TODO: figure out how to do this dynamically
+command.add_command(deployment_init)
-stack = "mainnet-laconic"
+command.add_command(deployment_create)
-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)

app/deployment.py

@@ -14,24 +14,47 @@
 # 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, 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):
+def command(ctx, dir):
-    print(f"Context: {ctx.parent.obj}")
     # 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)
 
 
 @command.command()
+@click.argument('extra_args', nargs=-1)  # help: command: up <service1> <service2>
 @click.pass_context
-def up(ctx):
+def up(ctx, extra_args):
-    print(f"Context: {ctx.parent.obj}")
+    print(f"Context: {global_options(ctx)}")
+    # Get the stack config file name
+    stack_file_path = ctx.obj.dir.joinpath("stack.yml")
+    # TODO: add cluster name and env file here
+    ctx.obj = create_deploy_context(ctx.parent.parent.obj, stack_file_path, None, None, None, None)
+    services_list = list(extra_args) or None
+    up_operation(ctx, services_list)
 
 
 @command.command()
@@ -62,3 +85,14 @@ def task(ctx):
 @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)

app/deployment_create.py

@@ -0,0 +1,67 @@
+# 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
+import os
+from pathlib import Path
+from shutil import copyfile
+import sys
+from .util import get_stack_config_path, get_parsed_deployment_spec, get_parsed_stack_config, global_options
+
+default_spec_file_content = """stack: mainnet-laconic
+data_dir: /my/path
+node_name: my-node-name
+"""
+
+
+def make_default_deployment_dir():
+    return "deployment-001"
+
+@click.command()
+@click.option("--output", required=True, help="Write yaml spec file here")
+@click.pass_context
+def init(ctx, output):
+    with open(output, "w") as output_file:
+        output_file.write(default_spec_file_content)
+
+
+@click.command()
+@click.option("--spec-file", required=True, help="Spec file to use to create this deployment")
+@click.option("--deployment-dir", help="Create deployment files in this directory")
+@click.pass_context
+def create(ctx, spec_file, deployment_dir):
+    # This function fails with a useful error message if the file doens't exist
+    parsed_spec = get_parsed_deployment_spec(spec_file)
+    stack_file = get_stack_config_path(parsed_spec['stack'])
+    parsed_stack = get_parsed_stack_config(stack_file)
+    if global_options(ctx).debug:
+        print(f"parsed spec: {parsed_spec}")
+    if deployment_dir is None:
+        deployment_dir = make_default_deployment_dir()
+    if os.path.exists(deployment_dir):
+        print(f"Error: {deployment_dir} already exists")
+        sys.exit(1)
+    os.mkdir(deployment_dir)
+    # Copy spec file and the stack file into the deployment dir
+    copyfile(spec_file, os.path.join(deployment_dir, os.path.basename(spec_file)))
+    copyfile(stack_file, os.path.join(deployment_dir, os.path.basename(stack_file)))
+    # Copy the pod files into the deployment dir
+    pods = parsed_stack['pods']
+    # TODO: refactor to use common code with deploy command
+        # See: https://stackoverflow.com/questions/25389095/python-get-path-of-root-project-structure
+    compose_dir = Path(__file__).absolute().parent.joinpath("data", "compose")
+    for pod in pods:
+        pod_file_path = os.path.join(compose_dir, f"docker-compose-{pod}.yml")
+        copyfile(pod_file_path, os.path.join(deployment_dir, os.path.basename(pod_file_path)))

app/util.py

@@ -30,10 +30,16 @@ def include_exclude_check(s, include, exclude):
         return s not in exclude_list
 
 
-def get_parsed_stack_config(stack):
+def get_stack_config_path(stack):
     # In order to be compatible with Python 3.8 we need to use this hack to get the path:
     # See: https://stackoverflow.com/questions/25389095/python-get-path-of-root-project-structure
     stack_file_path = Path(__file__).absolute().parent.joinpath("data", "stacks", stack, "stack.yml")
+    return stack_file_path
+
+
+# Caller can pass either the name of a stack, or a path to a stack file
+def get_parsed_stack_config(stack):
+    stack_file_path = stack if isinstance(stack, os.PathLike) else get_stack_config_path(stack)
     try:
         with stack_file_path:
             stack_config = yaml.safe_load(open(stack_file_path, "r"))
@@ -48,3 +54,27 @@ def get_parsed_stack_config(stack):
             print(f"Error: stack: {stack} does not exist")
         print(f"Exiting, error: {error}")
         sys.exit(1)
+
+
+def get_parsed_deployment_spec(spec_file):
+    spec_file_path = Path(spec_file)
+    try:
+        with spec_file_path:
+            deploy_spec = yaml.safe_load(open(spec_file_path, "r"))
+            return deploy_spec
+    except FileNotFoundError as error:
+        # We try here to generate a useful diagnostic error
+        print(f"Error: spec file: {spec_file_path} does not exist")
+        print(f"Exiting, error: {error}")
+        sys.exit(1)
+
+
+# TODO: this is fragile wrt to the subcommand depth
+# See also: https://github.com/pallets/click/issues/108
+def global_options(ctx):
+    return ctx.parent.parent.obj
+
+
+# TODO: hack
+def global_options2(ctx):
+    return ctx.parent.obj