Clusters #19

Merged
telackey merged 2 commits from dboreham/cluster into main 2022-10-07 13:22:00 +00:00
3 changed files with 22 additions and 10 deletions

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@ -148,7 +148,7 @@ the list of container image names, while `clister-list.txt` specifies the set of
Files required to build each container image are stored under `./container-build/<container-name>` Files required to build each container image are stored under `./container-build/<container-name>`
Files required at deploy-time are stored under `./config/<component-name>` Files required at deploy-time are stored under `./config/<component-name>`
``` ```
├── cluster-list.txt ├── pod-list.txt
├── compose ├── compose
│   ├── docker-compose-contract.yml │   ├── docker-compose-contract.yml
│   ├── docker-compose-db-sharding.yml │   ├── docker-compose-db-sharding.yml

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@ -15,7 +15,9 @@
# Deploys the system components using docker-compose # Deploys the system components using docker-compose
import hashlib
import os import os
import sys
from python_on_whales import DockerClient from python_on_whales import DockerClient
import click import click
from .util import include_exclude_check from .util import include_exclude_check
@ -24,9 +26,10 @@ from .util import include_exclude_check
@click.command() @click.command()
@click.option("--include", help="only start these components") @click.option("--include", help="only start these components")
@click.option("--exclude", help="don\'t start these components") @click.option("--exclude", help="don\'t start these components")
@click.option("--cluster", help="specify a non-default cluster name")
@click.argument('command') # help: command: up|down|ps @click.argument('command') # help: command: up|down|ps
@click.pass_context @click.pass_context
def command(ctx, include, exclude, command): def command(ctx, include, exclude, cluster, command):
'''deploy a stack''' '''deploy a stack'''
# TODO: implement option exclusion and command value constraint lost with the move from argparse to click # TODO: implement option exclusion and command value constraint lost with the move from argparse to click
@ -35,28 +38,37 @@ def command(ctx, include, exclude, command):
verbose = ctx.obj.verbose verbose = ctx.obj.verbose
dry_run = ctx.obj.dry_run dry_run = ctx.obj.dry_run
with open("cluster-list.txt") as cluster_list_file: if cluster is None:
clusters = cluster_list_file.read().splitlines() # Create default unique, stable cluster name from confile file path
# TODO: change this to the config file path
path = os.path.realpath(sys.argv[0])
hash = hashlib.md5(path.encode()).hexdigest()
cluster = f"laconic-{hash}"
if verbose:
print(f"Using cluster name: {cluster}")
with open("pod-list.txt") as pod_list_file:
pods = pod_list_file.read().splitlines()
if verbose: if verbose:
print(f'Cluster components: {clusters}') print(f'Pods: {pods}')
# Construct a docker compose command suitable for our purpose # Construct a docker compose command suitable for our purpose
compose_files = [] compose_files = []
for cluster in clusters: for pod in pods:
if include_exclude_check(cluster, include, exclude): if include_exclude_check(pod, include, exclude):
compose_file_name = os.path.join("compose", f"docker-compose-{cluster}.yml") compose_file_name = os.path.join("compose", f"docker-compose-{pod}.yml")
compose_files.append(compose_file_name) compose_files.append(compose_file_name)
else: else:
if not quiet: if not quiet:
print(f"Excluding: {cluster}") print(f"Excluding: {pod}")
if verbose: if verbose:
print(f"files: {compose_files}") print(f"files: {compose_files}")
# See: https://gabrieldemarmiesse.github.io/python-on-whales/sub-commands/compose/ # See: https://gabrieldemarmiesse.github.io/python-on-whales/sub-commands/compose/
docker = DockerClient(compose_files=compose_files) docker = DockerClient(compose_files=compose_files, compose_project_name=cluster)
if not dry_run: if not dry_run:
if command == "up": if command == "up":