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fix(clickhouse): resilient clickhouse-backup fetch (cache/retry/non-blocking) #1

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autonomic-bot wants to merge 1 commits from ci/clickhouse-backup-resilient into main
pull from: ci/clickhouse-backup-resilient
merge into: :main
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autonomic-bot commented 2026-05-31 05:28:26 +00:00
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Hardens entrypoint.clickhouse.sh so a transient GitHub download failure of the clickhouse-backup binary cannot crash-loop the clickhouse-server. Caches on the persistent /var/lib/clickhouse volume, retries with backoff, never blocks server start (clickhouse-backup is the backup tool, not a server dependency), un-silences wget. Enables cc-ci full-lifecycle testing (Q4.7b). No behaviour change when the first download succeeds.

Hardens entrypoint.clickhouse.sh so a transient GitHub download failure of the clickhouse-backup binary cannot crash-loop the clickhouse-server. Caches on the persistent /var/lib/clickhouse volume, retries with backoff, never blocks server start (clickhouse-backup is the backup tool, not a server dependency), un-silences wget. Enables cc-ci full-lifecycle testing (Q4.7b). No behaviour change when the first download succeeds.
autonomic-bot added 1 commit 2026-05-31 05:28:26 +00:00
fix(clickhouse): make clickhouse-backup fetch resilient (cache on persistent volume, retry+backoff, never block server start)
cc-ci/testme cc-ci: failure
Details
bd8bd93d2e 
The published entrypoint downloads the 22MB clickhouse-backup binary from GitHub at container boot
with 'set -ex' + a single silenced no-retry wget to ephemeral /tmp. Any transient failure of that
download (rate-limit / network) exits the container BEFORE clickhouse-server starts, so swarm restarts
it, it re-downloads, and the throttle is amplified into a crash-loop (deploy timeout).

clickhouse-backup is the BACKUP tool (backupbot pre/post hooks), not required for clickhouse-server to
run. This hardening caches the binary on the persistent /var/lib/clickhouse volume (fetched at most
once, reused on restart), retries with backoff, never blocks the server start on a fetch failure, and
un-silences the wget for diagnosability. No behaviour change when the first download succeeds.
autonomic-bot commented 2026-06-02 00:07:52 +00:00
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@notplants — flagging this open PR from the cc-ci build for your review. Per the updated mirror workflow we no longer auto-close superseded/unrelated PRs, so it's left open for you to merge or close at your discretion.

@notplants — flagging this open PR from the cc-ci build for your review. Per the updated mirror workflow we no longer auto-close superseded/unrelated PRs, so it's left open for you to merge or close at your discretion.
autonomic-bot commented 2026-06-02 00:47:51 +00:00
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!testme

!testme
autonomic-bot commented 2026-06-02 00:48:07 +00:00
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🌻 cc-ci — plausible @ bd8bd93d ❌ failure

cc-ci result card

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<!-- cc-ci:testme --> 🌻 **cc-ci** — `plausible` @ `bd8bd93d` ❌ **failure** [![cc-ci result card](https://ci.commoninternet.net/runs/122/summary.png)](https://drone.ci.commoninternet.net/recipe-maintainers/cc-ci/122) [![level](https://ci.commoninternet.net/runs/122/badge.svg)](https://drone.ci.commoninternet.net/recipe-maintainers/cc-ci/122) [full logs](https://drone.ci.commoninternet.net/recipe-maintainers/cc-ci/122) · [dashboard](https://ci.commoninternet.net/)
autonomic-bot commented 2026-06-09 15:45:07 +00:00
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Superseded by #3 (rebased onto the current entrypoint comments, version corrected to 3.1.0+v2.0.0). Closing.

Superseded by #3 (rebased onto the current entrypoint comments, version corrected to 3.1.0+v2.0.0). Closing.
autonomic-bot closed this pull request 2026-06-09 15:45:08 +00:00

Pull request closed

This pull request cannot be reopened because the branch was deleted.
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Reference: recipe-maintainers/plausible#1