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Add very basic cluster config mechanism

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This commit is contained in:
David Boreham 2023-03-08 17:03:14 -07:00
parent 75376d7baf
commit 9cae493458
3 changed files with 57 additions and 4 deletions
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3
app/data/stacks/fixturenet-laconicd/stack.yml
View File

@ -13,3 +13,6 @@ containers:
- cerc/laconic-registry-cli
pods:
- fixturenet-laconicd
config:
cli:
key: laconicd.mykey

2
app/data/version.txt
View File

@ -1,2 +1,2 @@
# This file should be re-generated running: scripts/update-version-file.sh script
v1.0.24-d80fb5d
v1.0.25-75376d7

56
app/deploy_system.py
View File

@ -19,6 +19,7 @@ import hashlib
import copy
import os
import sys
from dataclasses import dataclass
from decouple import config
import subprocess
from python_on_whales import DockerClient
@ -66,6 +67,9 @@ def command(ctx, include, exclude, cluster, command, extra_args):
docker.compose.up(detach=True, services=extra_args_list)
for post_start_command in cluster_context.post_start_commands:
_run_command(ctx.obj, cluster_context.cluster, post_start_command)
_orchestrate_cluster_config(ctx.obj, cluster_context.config, docker, container_exec_env)
elif command == "down":
if verbose:
print("Running compose down")
@ -114,7 +118,7 @@ def command(ctx, include, exclude, cluster, command, extra_args):
elif command == "logs":
if verbose:
print("Running compose logs")
logs_output = docker.compose.logs(services=extra_args_list if extra_args_list != None else [])
logs_output = docker.compose.logs(services=extra_args_list if extra_args_list is not None else [])
print(logs_output)
@ -219,15 +223,18 @@ def _make_cluster_context(ctx, include, exclude, cluster):
if ctx.verbose:
print(f"files: {compose_files}")
return cluster_context(cluster, compose_files, pre_start_commands, post_start_commands)
cluster_config = stack_config['config'] if 'config' in stack_config else None
return cluster_context(cluster, compose_files, pre_start_commands, post_start_commands, cluster_config)
class cluster_context:
def __init__(self, cluster, compose_files, pre_start_commands, post_start_commands) -> None:
def __init__(self, cluster, compose_files, pre_start_commands, post_start_commands, config) -> None:
self.cluster = cluster
self.compose_files = compose_files
self.pre_start_commands = pre_start_commands
self.post_start_commands = post_start_commands
self.config = config
def _convert_to_new_format(old_pod_array):
@ -258,3 +265,46 @@ def _run_command(ctx, cluster_name, command):
if command_result.returncode != 0:
print(f"FATAL Error running command: {command}")
sys.exit(1)
def _orchestrate_cluster_config(ctx, cluster_config, docker, container_exec_env):
@dataclass
class ConfigDirective:
source_container: str
source_variable: str
destination_container: str
destination_variable: str
if cluster_config is not None:
for container in cluster_config:
container_config = cluster_config[container]
if ctx.verbose:
print(f"{container} config: {container_config}")
for directive in container_config:
pd = ConfigDirective(
container_config[directive].split(".")[0],
container_config[directive].split(".")[1],
container,
directive
)
if ctx.verbose:
print(f"Setting {pd.destination_container}.{pd.destination_variable} = {pd.source_container}.{pd.source_variable}")
# TODO: fix the script paths so they're consistent between containers
source_value = docker.compose.execute(pd.source_container,
["sh", "-c",
f"sh /docker-entrypoint-scripts.d/export-{pd.source_variable}.sh"],
tty=False,
envs=container_exec_env)
# TODO: handle the case that the value is not yet available
if ctx.debug:
print(f"fetched source value: {source_value}")
destination_output = docker.compose.execute(pd.destination_container,
["sh", "-c",
f"sh /scripts/import-{pd.destination_variable}.sh {pd.source_variable}"],
tty=False,
envs=container_exec_env)
if ctx.debug:
print(f"destination output: {destination_output}")
# TODO: detect errors here