baseline/bin/list_app_versions.py

85 lines
2.2 KiB
Python
Executable file

#! /usr/bin/env python
# -*- encoding: utf-8; py-indent-offset: 4 -*-
# Author: Sebastian Mark
# CC-BY-SA (https://creativecommons.org/licenses/by-sa/4.0/deed.de)
# for civil use only
import os
from urllib.request import Request, urlopen
import pandas as pd
import yaml
def kubectl(cmd: str) -> str:
cmd = f"kubectl -n argocd {cmd}"
return os.popen(cmd).read()
def get_latest_version(repo_url: str, chart: str) -> str:
req = Request(
repo_url + "/index.yaml",
headers={"User-Agent": "Mozilla/5.0"},
)
with urlopen(req) as response:
body = response.read()
repos = yaml.safe_load(body)
chart_df = pd.DataFrame(repos["entries"][chart])
chart_df = chart_df[
~chart_df.version.str.contains("alpha") & ~chart_df.version.str.contains("beta")
] # remove alpha versions
return chart_df.version.iloc[0]
def get_argo_as_app() -> dict:
cm = kubectl("get configmaps argocd-cm -o yaml")
cm_formatted = yaml.safe_load(cm)
version = cm_formatted["metadata"]["labels"]["helm.sh/chart"].lstrip("argo-cd-")
return dict(
{
"metadata": {
"name": "argocd",
},
"spec": {
"source": {
"chart": "argo-cd",
"repoURL": "https://argoproj.github.io/argo-helm",
"targetRevision": version,
},
},
}
)
def get_apps() -> list:
apps = kubectl("get applications -o yaml")
app_list = yaml.safe_load(apps)["items"]
app_list.append(get_argo_as_app())
return app_list
def main():
print("{:<20}{:<15}{:<10}".format("name", "installed", "latest"))
for app in get_apps():
try:
app["spec"]["source"]["chart"] # skip non-helm apps
except KeyError:
continue
name = app["metadata"]["name"]
chart = app["spec"]["source"]["chart"]
repo_url = app["spec"]["source"]["repoURL"]
installed = app["spec"]["source"]["targetRevision"]
latest = get_latest_version(repo_url, chart)
print("{:<20}{:<15}{:<10}".format(name, installed, latest))
if __name__ == "__main__":
main()