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Helm integration #10

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Helm integration #10

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43ffe5e
feat: helm integration first draft
jessesimpson36 Nov 1, 2024
d3194a9
fix: shorten the options
jessesimpson36 Nov 1, 2024
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24 changes: 18 additions & 6 deletions yamldifftool.py
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Original file line number Diff line number Diff line change
Expand Up @@ -31,23 +31,35 @@ def filter_defaults(base, user_provided, root_diff, path=[], strict=False):
if base != user_provided:
traverse_and_set(user_provided, root_diff, path)


if __name__ == "__main__":
root_diff = {}
path = []

parser = argparse.ArgumentParser(description="Tool to identify diffs between values.yaml and default")
parser.add_argument("default_values", metavar="default_values.yaml", type=str,
help="Base values.yaml for the helm chart version you're using")
parser.add_argument("user_customized_values", metavar="customized.yaml", type=str, help="Customized values.yaml")
parser.add_argument("-o", "--output", default=None, type=str,
help="Write to filename. If not specified, output is written to stdout.")
parser.add_argument("-s", "--strict", default=False, action=argparse.BooleanOptionalAction, type=bool,
help="strict mode will drop all options not in default values.yaml.")
parser.add_argument("-d", "--default_values", metavar="default_values.yaml", type=str,
help="Base values.yaml for the helm chart version you're using")
parser.add_argument("-c", "--chart", type=str, help="Helm chart name")
parser.add_argument("-v", "--version", type=str, help="Helm chart version")
args = parser.parse_args()

with open(args.default_values, 'r') as default_values:
default_v = yaml.safe_load(default_values)
if args.default_values:
with open(args.default_values, 'r') as default_values:
default_v = yaml.safe_load(default_values)
elif args.chart and args.version:
import subprocess
result = subprocess.run(
["helm", "show", "values", args.chart, "--version", args.version],
capture_output=True, text=True, check=True
)
default_v = yaml.safe_load(result.stdout)
print(type(default_v))
else:
raise ValueError("Either --default_values or both --chart and --version must be specified")

with open(args.user_customized_values, 'r') as overwritten_values:
overwritten_v = yaml.safe_load(overwritten_values)
Expand All @@ -58,4 +70,4 @@ def filter_defaults(base, user_provided, root_diff, path=[], strict=False):
with open(args.output, 'w') as outfile:
yaml.dump(root_diff, outfile, sort_keys=False)
else:
yaml.dump(root_diff, sys.stdout, sort_keys=False)
yaml.dump(root_diff, sys.stdout, sort_keys=False)
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