105 lines
2.6 KiB
Python
Executable File
105 lines
2.6 KiB
Python
Executable File
#!/usr/bin/env python3
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import sys
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import argparse
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import io
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import yaml
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DEFAULT_VERSION = "1.23.10-2"
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def migrate(values):
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"""Actual changes here"""
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# migrate ClusterName to clusterName
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if "ClusterName" in values:
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values["clusterName"] = values["ClusterName"]
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values.pop("ClusterName")
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# Create new clusterwide cloudprovider data if possible
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try:
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if values["cert-manager"]["clusterIssuer"]["solvers"][0]["dns01"]["route53"]["regions"]:
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if "global" not in values:
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values["global"] = {}
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if "aws" not in values["global"]:
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values["global"]["aws"] = {}
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values["global"]["aws"]["region"] = values["cert-manager"]["clusterIssuer"]["solvers"][0]["dns01"]["route53"]["region"]
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except KeyError:
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pass
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return values
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def str_presenter(dumper, data):
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if len(data.splitlines()) > 1: # check for multiline string
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return dumper.represent_scalar("tag:yaml.org,2002:str", data, style="|")
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return dumper.represent_scalar("tag:yaml.org,2002:str", data)
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yaml.add_representer(str, str_presenter)
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# to use with safe_dump:
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yaml.representer.SafeRepresenter.add_representer(str, str_presenter)
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def rec_sort(d):
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if isinstance(d, dict):
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res = dict()
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# Always have "enabled" first if present
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if "enabled" in d.keys():
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res["enabled"] = rec_sort(d["enabled"])
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d.pop("enabled")
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# next is "name" if present
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if "name" in d.keys():
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res["name"] = rec_sort(d["name"])
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d.pop("name")
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for k in sorted(d.keys()):
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res[k] = rec_sort(d[k])
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return res
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if isinstance(d, list):
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for idx, elem in enumerate(d):
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d[idx] = rec_sort(elem)
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return d
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parser = argparse.ArgumentParser(
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description="Migrate ArgoCD Kubezero values to new cluster config"
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)
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parser.add_argument(
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"--version",
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dest="version",
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default=DEFAULT_VERSION,
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action="store",
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required=False,
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help="Update KubeZero version",
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)
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args = parser.parse_args()
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application = yaml.safe_load(sys.stdin)
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# Set version from cmd line
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if args.version:
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application["spec"]["source"]["targetRevision"] = args.version
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# Extract Helm values
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values = yaml.safe_load(application["spec"]["source"]["helm"]["values"])
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# Merge new values
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buffer = io.StringIO()
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yaml.safe_dump(
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rec_sort(migrate(values)),
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buffer,
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default_flow_style=False,
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indent=2,
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sort_keys=False,
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)
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application["spec"]["source"]["helm"]["values"] = buffer.getvalue()
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# Output new Application resource
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yaml.dump(application, sys.stdout, default_flow_style=False)
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