Nearly at the deployment then

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Luke Murphy 2020-07-02 13:41:31 +02:00
parent 39fbc58420
commit 6c19775b1c
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@ -1,5 +1,6 @@
"""Less flashy version. More hard-coding.""" """Less flashy version. More hard-coding."""
from hashlib import md5
from json import dumps, loads from json import dumps, loads
from os import environ from os import environ
from os.path import exists from os.path import exists
@ -21,7 +22,19 @@ app.secret_key = b'_5#y2L"F4Q8z\n\xec]/'
yaml = YAML() yaml = YAML()
APPS = {"gitea": "https://git.autonomic.zone/compose-stacks/gitea"} APPS_SPEC = {
"gitea": {
"url": "https://git.autonomic.zone/compose-stacks/gitea",
"secrets": [
"db_passwd",
"db_root_passwd",
"internal_token",
"jwt_secret",
"secret_key",
],
"configs": ["app_ini"],
}
}
DATA_DIR = Path("./data") DATA_DIR = Path("./data")
@ -33,7 +46,7 @@ def get_secret(n: int) -> str:
def clone_app_template(app_name: str) -> None: def clone_app_template(app_name: str) -> None:
"""Git clone an app template repository.""" """Git clone an app template repository."""
clone_path = DATA_DIR / app_name clone_path = DATA_DIR / app_name
clone_url = APPS[app_name] clone_url = APPS_SPEC[app_name]["url"]
run(split(f"git clone {clone_url} {clone_path}")) run(split(f"git clone {clone_url} {clone_path}"))
@ -52,6 +65,33 @@ def load_db() -> Dict:
return {} return {}
def get_hash(value: str) -> str:
"""Hash a value for swarm versioning with good 'ol md5."""
hasher = md5()
hasher.update(value.encode())
return hasher.hexdigest()
def get_secret_names(app_name, form_data, env):
"""Generate versioned names for secrets that swarm will accept"""
for secret in APPS_SPEC[app_name]["secrets"]:
if secret in form_data:
hashed = get_hash(form_data[secret])
env_key = f"{secret.upper()}_SECRET_VERSION"
env[env_key] = f"{secret}_{hashed}"
return env
def get_config_names(app_name, form_data, env):
"""Generate versioned names for configs that swarm will accept"""
for config in APPS_SPEC[app_name]["configs"]:
if config in form_data:
hashed = get_hash(form_data[config])
env_key = f"{config.upper()}_CONFIG_VERSION"
env[env_key] = f"{secret}_{hashed}"
return env
def stack_deploy(app_name, env): def stack_deploy(app_name, env):
"""Depoy an application to the swarm.""" """Depoy an application to the swarm."""
compose_yml = DATA_DIR / app_name / "compose.yml" compose_yml = DATA_DIR / app_name / "compose.yml"
@ -90,7 +130,7 @@ class GiteaInstallForm(FlaskForm):
"JWT secret", validators=[DataRequired(), Length(min=43)], "JWT secret", validators=[DataRequired(), Length(min=43)],
) )
secret_key = PasswordField( secret_key = PasswordField(
"Secret key", validators=[DataRequired(), Length(min=64),], "Secret key", validators=[DataRequired(), Length(min=64)],
) )
ssh_port = StringField("SSH port", default="2222") ssh_port = StringField("SSH port", default="2222")
@ -98,7 +138,7 @@ class GiteaInstallForm(FlaskForm):
@app.route("/") @app.route("/")
def index(): def index():
"""Home page for app installation possibilities.""" """Home page for app installation possibilities."""
return render_template("second/index.html", apps=[app for app in APPS]) return render_template("second/index.html", apps=[app for app in APPS_SPEC])
@app.route("/install/<app_name>") @app.route("/install/<app_name>")
@ -118,14 +158,15 @@ def deploy(app_name):
if not form.validate(): if not form.validate():
return render_template("second/install.html", app_name=app_name, form=form) return render_template("second/install.html", app_name=app_name, form=form)
environment = get_loaded_env(app_name, request.form) env = get_loaded_env(app_name, form.data)
env = get_secret_names(app_name, form.data, env)
env = get_config_names(app_name, form.data, env)
# Note(decentral1se): how to handle the following? app.logger.info(f"env -> {env}")
# configs -> ${STACK_NAME}_app_ini_${APP_INI_VERSION}
# secrets -> ${STACK_NAME}_db_passwd_${DB_PASSWD_VERSION}
# and dump it all to the db.json when we're done here too
stack_deploy(app_name, environment) dump_db({app_name: form.data})
stack_deploy(app_name, env)
if __name__ == "__main__": if __name__ == "__main__":