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Merge pull request #19 from cerc-io/dboreham/cluster

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Clusters
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David Boreham 2022-10-07 07:22:00 -06:00 committed by GitHub
commit 3501b99843
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3 changed files with 22 additions and 10 deletions
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2
README.md
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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 at deploy-time are stored under `./config/<component-name>`
```
├── cluster-list.txt
├── pod-list.txt
├── compose
│   ├── docker-compose-contract.yml
│   ├── docker-compose-db-sharding.yml

30
app/deploy_system.py
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@ -15,7 +15,9 @@
# Deploys the system components using docker-compose
import hashlib
import os
import sys
from python_on_whales import DockerClient
import click
from .util import include_exclude_check
@ -24,9 +26,10 @@ from .util import include_exclude_check
@click.command()
@click.option("--include", help="only 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.pass_context
def command(ctx, include, exclude, command):
def command(ctx, include, exclude, cluster, command):
'''deploy a stack'''
# 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
dry_run = ctx.obj.dry_run
with open("cluster-list.txt") as cluster_list_file:
clusters = cluster_list_file.read().splitlines()
if cluster is None:
# 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:
print(f'Cluster components: {clusters}')
print(f'Pods: {pods}')
# Construct a docker compose command suitable for our purpose
compose_files = []
for cluster in clusters:
if include_exclude_check(cluster, include, exclude):
compose_file_name = os.path.join("compose", f"docker-compose-{cluster}.yml")
for pod in pods:
if include_exclude_check(pod, include, exclude):
compose_file_name = os.path.join("compose", f"docker-compose-{pod}.yml")
compose_files.append(compose_file_name)
else:
if not quiet:
print(f"Excluding: {cluster}")
print(f"Excluding: {pod}")
if verbose:
print(f"files: {compose_files}")
# 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 command == "up":

0
cluster-list.txt → pod-list.txt
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