fix(dashmate): stop concurrent commands reverting each other's config changes - #4248

Merged

shumkov merged 24 commits into

fix/dashmate/4242-readonly-config-clobber

Aug 13, 2026

Commits on Jul 28, 2026

fix(dashmate)!: stop read-only commands rewriting config and clobbering concurrent updates

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b7a53e3
fix(dashmate): do not let lock bookkeeping mask a config write outcome

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ef34389
test(dashmate): stop the lock-contention test burning a core and leaking its child

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2358015
fix(dashmate): render service templates only for configs that changed

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e23dbdf

Commits on Jul 30, 2026

fix(dashmate)!: read, change and save config as one locked step

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7abb4c3
fix(dashmate): change config through one locked step in every config command

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95611b9
fix(dashmate): hold the config lock for commands that reconfigure a node

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dd795e9
test(dashmate): cover the config lock paths that only happen after a wait

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7514eff
fix(dashmate): make one locked step the only way config reaches disk

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aae3308
fix(dashmate): narrow to the config paths this change can carry

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c907b93

Commits on Jul 31, 2026

fix(dashmate): keep reads lock-free and every config mutation under the lock

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949428b
fix(dashmate): renew certificates against current config under the lock

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3244932

Commits on Aug 7, 2026

fix(dashmate): close the gaps a full review found in the config lock

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c1bacb7

Commits on Aug 8, 2026

Commits on Aug 10, 2026

fix(dashmate): render service files under a lock this process still holds

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77feca8
fix(dashmate): decide a migration is due without running one

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c3c5cfe

Commits on Aug 11, 2026

fix(dashmate): finish a render that a killed process left half-done

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f8470f8
fix(dashmate): keep a removed config's files out of a re-creatable name

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1c40b02
fix(dashmate): make interrupted config changes recoverable by their owner

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ca5fcac
fix(dashmate): keep an upgrade loadable and a lost lease's work recoverable

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03ea38a
fix(dashmate): stop config remove deleting the config file itself

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470bc4c
fix(dashmate): decide by filesystem, not by name, and keep each rescue

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4b055da
fix(dashmate)!: stop recovering crashes by deleting things

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54f1883