Get to the point of deploy successfully

This commit is contained in:
Luke Murphy 2020-07-02 14:20:03 +02:00
parent 409dfe5955
commit 86d252bcdd
No known key found for this signature in database
GPG Key ID: 5E2EF5A63E3718CC
1 changed files with 38 additions and 19 deletions

View File

@ -2,12 +2,10 @@
from hashlib import md5
from json import dumps, loads
from os import environ
from os import environ, mkdir
from os.path import exists
from pathlib import Path
from random import choice
from shlex import split
from string import ascii_lowercase
from subprocess import run
from typing import Dict
@ -38,11 +36,6 @@ APPS_SPEC = {
DATA_DIR = Path("./data")
def get_secret(n: int) -> str:
"""Generate a ASCII secret that is n chars long."""
return "".join(choice(ascii_lowercase) for _ in range(n))
def clone_app_template(app_name: str) -> None:
"""Git clone an app template repository."""
clone_path = DATA_DIR / app_name
@ -50,6 +43,12 @@ def clone_app_template(app_name: str) -> None:
run(split(f"git clone {clone_url} {clone_path}"))
def create_docker_secret(key: str, value: str) -> None:
"""Load a docker secret into swarm."""
command = f"echo {value} | docker secret create {key} -"
run(command, shell=True)
def dump_db(db: Dict) -> None:
"""Dump the database."""
with open(DATA_DIR / "db.json", "w") as handle:
@ -72,18 +71,31 @@ def get_hash(value: str) -> str:
return hasher.hexdigest()
def get_swarm_versions(app_name, form_data, env):
def arrange_configs_and_secrets(app_name, form_data, env):
"""Version secrets and configs for swarm."""
values = [APPS_SPEC[app_name]["secrets"], APPS_SPEC[app_name]["configs"]]
for value in values:
if value in form_data:
hashed = get_hash(form_data[value])
env_key = f"{value.upper()}_VERSION"
env[env_key] = f"{value}_{hashed}"
def _create_versions(values, secrets=False):
"""Step through listing and create an env var key/val.
Takes "app_ini" and produces {"APP_INI_VERSION": "app_ini_laksjdklajsdkla"}.
Hash is based on the value of the input passed in from the form.
"""
for value in values:
if value in form_data:
hashed = get_hash(form_data[value])
env_key = f"{value.upper()}_VERSION"
env_val = f"{value}_{hashed}"
env[env_key] = env_val
if secrets:
create_docker_secret(env_val, form_data[value])
_create_versions(APPS_SPEC[app_name]["configs"])
_create_versions(APPS_SPEC[app_name]["secrets"], secrets=True)
return env
def stack_deploy(stack_name, app_name, env):
def stack_deploy(app_name, stack_name, env):
"""Depoy an application to the swarm."""
compose_yml = DATA_DIR / app_name / "compose.yml"
command = f"docker stack deploy -c {compose_yml} {stack_name}"
@ -150,10 +162,17 @@ def deploy(app_name):
if not form.validate():
return render_template("second/install.html", app_name=app_name, form=form)
env = get_loaded_env(app_name, form.data)
env = get_swarm_versions(app_name, form.data, env)
try:
mkdir(DATA_DIR)
except FileExistsError:
pass
dump_db({fork.data["stack_name"]: form.data})
clone_app_template(app_name)
env = get_loaded_env(app_name, form.data)
env = arrange_configs_and_secrets(app_name, form.data, env)
dump_db({form.data["stack_name"]: form.data})
stack_deploy(app_name, form.data["stack_name"], env)