Aleksei Sviridkin
294b9699c3
fix(backups): read the redis demo's keys through exec, not kubectl run
...
The redis backup demo read and wrote its marker key from a throwaway
`kubectl run -i --rm` Pod. kubectl returns that Pod's stdout over an
attach, the container runtime delivers only what the container writes
after the attach is registered, and kubectl falls back to the Pod log
only when the attach fails. A redis-cli that finishes in between comes
back as an empty reply with exit 0, which is how a GET of a key the
master held read as '' and failed the round-trip on PRs that do not
touch redis.
Run redis-cli by `kubectl exec` in a sentinel Pod instead, whose image
already carries it. An exec'd process writes into pipes created with
it, so nothing it prints is lost, and its exit status comes back too.
The demo's reads also stop discarding stderr. The same empty string used
to stand for a missing object, an API error and a lost stream alike, so
a red run could not say which one it was.
Assisted-by: LLM
Signed-off-by: Aleksei Sviridkin <f@lex.la >
2026-09-23 05:32:36 +03:00
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