KubeZero/admin/migrate_argo_values.py

102 lines
2.5 KiB
Python
Executable File

#!/usr/bin/env python3
import sys
import argparse
import io
import yaml
def migrate(values):
"""Actual changes here"""
# ClusterBackup is enabled on AWS anyways, same with cluster-autoscaler
if "aws" in values["global"]:
deleteKey(values["addons"], "clusterBackup")
deleteKey(values["addons"], "cluster-autoscaler")
# Remove calico and multus
deleteKey(values["network"], "calico")
deleteKey(values["network"], "multus")
# ArgoCD helm changes
if "argocd" in values:
if "server" in values["argocd"]:
if not "configs" in values["argocd"]:
values["argocd"]["configs"] = {}
if not "cm" in values["argocd"]["configs"]:
values["argocd"]["configs"]["cm"] = {}
values["argocd"]["configs"]["cm"]["url"] = values["argocd"]["server"]["config"][
"url"
]
deleteKey(values["argocd"], "server")
return values
def deleteKey(values, key):
"""Delete key from dictionary if exists"""
try:
values.pop(key)
except KeyError:
pass
return values
class MyDumper(yaml.Dumper):
"""
Required to add additional indent for arrays to match yq behaviour to reduce noise in diffs
"""
def increase_indent(self, flow=False, indentless=False):
return super(MyDumper, self).increase_indent(flow, False)
def str_presenter(dumper, data):
if len(data.splitlines()) > 1: # check for multiline string
return dumper.represent_scalar("tag:yaml.org,2002:str", data, style="|")
return dumper.represent_scalar("tag:yaml.org,2002:str", data)
def rec_sort(d):
if isinstance(d, dict):
res = dict()
# Always have "enabled" first if present
if "enabled" in d.keys():
res["enabled"] = rec_sort(d["enabled"])
d.pop("enabled")
# next is "name" if present
if "name" in d.keys():
res["name"] = rec_sort(d["name"])
d.pop("name")
for k in sorted(d.keys()):
res[k] = rec_sort(d[k])
return res
if isinstance(d, list):
for idx, elem in enumerate(d):
d[idx] = rec_sort(elem)
return d
yaml.add_representer(str, str_presenter)
# to use with safe_dump:
yaml.representer.SafeRepresenter.add_representer(str, str_presenter)
# Read values
values = yaml.safe_load(sys.stdin)
# Output new values
buffer = io.StringIO()
yaml.dump(
rec_sort(migrate(values)),
sys.stdout,
default_flow_style=False,
indent=2,
sort_keys=False,
Dumper=MyDumper,
)