Get to the point of deploy successfully
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parent
409dfe5955
commit
86d252bcdd
49
second.py
49
second.py
@ -2,12 +2,10 @@
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from hashlib import md5
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from json import dumps, loads
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from os import environ
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from os import environ, mkdir
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from os.path import exists
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from pathlib import Path
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from random import choice
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from shlex import split
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from string import ascii_lowercase
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from subprocess import run
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from typing import Dict
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@ -38,11 +36,6 @@ APPS_SPEC = {
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DATA_DIR = Path("./data")
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def get_secret(n: int) -> str:
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"""Generate a ASCII secret that is n chars long."""
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return "".join(choice(ascii_lowercase) for _ in range(n))
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def clone_app_template(app_name: str) -> None:
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"""Git clone an app template repository."""
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clone_path = DATA_DIR / app_name
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@ -50,6 +43,12 @@ def clone_app_template(app_name: str) -> None:
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run(split(f"git clone {clone_url} {clone_path}"))
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def create_docker_secret(key: str, value: str) -> None:
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"""Load a docker secret into swarm."""
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command = f"echo {value} | docker secret create {key} -"
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run(command, shell=True)
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def dump_db(db: Dict) -> None:
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"""Dump the database."""
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with open(DATA_DIR / "db.json", "w") as handle:
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@ -72,18 +71,31 @@ def get_hash(value: str) -> str:
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return hasher.hexdigest()
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def get_swarm_versions(app_name, form_data, env):
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def arrange_configs_and_secrets(app_name, form_data, env):
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"""Version secrets and configs for swarm."""
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values = [APPS_SPEC[app_name]["secrets"], APPS_SPEC[app_name]["configs"]]
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def _create_versions(values, secrets=False):
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"""Step through listing and create an env var key/val.
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Takes "app_ini" and produces {"APP_INI_VERSION": "app_ini_laksjdklajsdkla"}.
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Hash is based on the value of the input passed in from the form.
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"""
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for value in values:
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if value in form_data:
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hashed = get_hash(form_data[value])
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env_key = f"{value.upper()}_VERSION"
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env[env_key] = f"{value}_{hashed}"
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env_val = f"{value}_{hashed}"
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env[env_key] = env_val
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if secrets:
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create_docker_secret(env_val, form_data[value])
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_create_versions(APPS_SPEC[app_name]["configs"])
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_create_versions(APPS_SPEC[app_name]["secrets"], secrets=True)
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return env
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def stack_deploy(stack_name, app_name, env):
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def stack_deploy(app_name, stack_name, env):
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"""Depoy an application to the swarm."""
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compose_yml = DATA_DIR / app_name / "compose.yml"
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command = f"docker stack deploy -c {compose_yml} {stack_name}"
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@ -150,10 +162,17 @@ def deploy(app_name):
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if not form.validate():
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return render_template("second/install.html", app_name=app_name, form=form)
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env = get_loaded_env(app_name, form.data)
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env = get_swarm_versions(app_name, form.data, env)
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try:
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mkdir(DATA_DIR)
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except FileExistsError:
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pass
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dump_db({fork.data["stack_name"]: form.data})
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clone_app_template(app_name)
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env = get_loaded_env(app_name, form.data)
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env = arrange_configs_and_secrets(app_name, form.data, env)
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dump_db({form.data["stack_name"]: form.data})
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stack_deploy(app_name, form.data["stack_name"], env)
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