Add support for creating repository indexes in JSON format #739
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Signed-off-by: MeurillonGuillaume <[email protected]>
Signed-off-by: MeurillonGuillaume <[email protected]>
Signed-off-by: MeurillonGuillaume <[email protected]>
MeurillonGuillaume
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I'd plan to ship v0.16.1 soon with some critical CVE fixes , and this PR may delay to next release window . |
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Maybe should upgrade helm dependency together #735 |
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LGTM , will merge it after v0.16.1 released. |
scbizu
approved these changes
Dec 31, 2023
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Thanks for the review @scbizu. Is there an ETA for v0.16.1? |
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Sorry but currently has no ETA , still waiting for other maintainers . We will rc ASAP when we are ready for that . |
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What this PR does
Adds support for generating an index.yaml in JSON-format to improve parsing performance (client-side) by using the default json library. Related to helm/helm#12245 and #738.
Testing results
When templating releases for my personal projects, I noticed a ~27% speed improvement in direct comparison of the chartmuseum creating a YAML-formatted versus a JSON-formatted index.yaml.
To be specific, a (rather large) Helmfile release used to take around 6min38s (user time), now takes 5m12s.
What was changed
A flag was added (
--json-index) which defaults tofalse. When set totruechartmuseum will return theindex.yamlwith JSON-formatted content, as described in the PR mentionned above.This change should be backwards compatible with all Helm-clients before 3.13.0, since YAML is a superset of JSON, meaning all JSON can be parsed using YAML parsers. To be able to fully take advantage of the performance improvement the client will have to be updated to Helm >3.13.0.