Download all helm values from Kubernetes cluster

get-all-helm-values.py

# Script to download all helm values from helm-enabled kubernetes cluster
# If on remote cluster download this using scp <USER>@<IP>:<PATH>/helm-values.zip helm-values.zip

import subprocess
import zipfile
import os

def get_all_helm_values():
    helm_list = subprocess.check_output(["helm", "list", "--all-namespaces"])
    helm_list = helm_list.decode("utf-8")
    helm_list = helm_list.split("\n")

    helm_values = {}
    for line in helm_list:
        if line.startswith("NAME"):
            continue
        line = line.split()
        if len(line) == 0:
            continue
        name = line[0]
        namespace = line[1]

        # Now get the helm values
        helm_values[name] = subprocess.check_output(
            ["helm", "get", "values", name, "-n", namespace]
        )
        helm_values[name] = helm_values[name].decode("utf-8")

        # Save the values to a file for later use with namespace-name as the filename
        with open(f"{namespace}-{name}.yaml", "w") as f:
            f.write(helm_values[name])

    with zipfile.ZipFile("helm-values.zip", "w") as zip:
        # Loop through all the files in the directory and if its a yaml add to zip
        for file in os.listdir():
            if file.endswith(".yaml"):
                zip.write(file)


get_all_helm_values()