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fix(modules): probe Terraria readiness without connecting - #551
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The kubelet's tcpSocket readiness probe connects to the game port and closes at once, which crashes the Terraria server (ObjectDisposedException in Netplay.ServerLoop) and crash-loops the pod. Bump modules to gameplane-module#42, where terraria 2.2.2 and tmodloader 1.0.1 declare no probe, and set Probes to nil in the Terraria bot e2e fixture so the test runs the shipped configuration. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01NsN6bnAMRM9XQtrTQ6KC7U Signed-off-by: valgulnecron <39313199+ValgulNecron@users.noreply.github.com>
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Navigate logical layers of code changes, visualize relationships, and explore their blast radius. WalkthroughThe ChangesModules Reference
Terraria Readiness Probe
Priority: ➖ Normal Estimated code review effort: 2 (Simple) | ~8 minutes Change: Bug fix Suggested labels: Merge Risk: 🔵 Low · up to Merge the module PR with a merge commit before merging this pointer update. Otherwise the pinned module commit may disappear from main. The test change is low risk. Security Architecture ReviewSecurity architecture risk: 🔵 Low · up to The inspected change replaces an active connection with a fixed, passive listener check without broadening the test's network exposure or privileges. Production behavior at the new module revision remains unverified. Retained concerns Security review detailsSecurity Blast Radius
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Follow-up to db2a235, which dropped the crashing tcpSocket readiness probe. gameplane-module#42 now replaces it with an exec probe that reads /proc/net/tcp for a socket listening on 7777, so the pod only turns Ready once the server accepts players and the probe never opens a connection. Bump modules to that commit and mirror the probe in the Terraria bot e2e fixture. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01NsN6bnAMRM9XQtrTQ6KC7U Signed-off-by: valgulnecron <39313199+ValgulNecron@users.noreply.github.com>
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Review comments at @modules:
- Line 1: Update the modules pointer only after PR #42 is merged, pinning it to
the merge commit on main rather than the PR head commit; preserve the required
merge-commit history without squashing or rebasing.
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test/e2e/terraria_bot_e2e_test.go (1)
76-78: LGTM!Also applies to: 81-83
gameplane-module#42 (Terraria/tModLoader exec readiness probe) and #43 (minecraft-java currentFrom on Set difficulty) are both merged; pin modules to their merge commit on main instead of the #42 branch commit, so one bump carries both. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01NsN6bnAMRM9XQtrTQ6KC7U Signed-off-by: valgulnecron <39313199+ValgulNecron@users.noreply.github.com>
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Summary
This fixes B3 from the 2026-10-04 kubelab live sweep: the Terraria and tModLoader templates'
tcpSocketreadiness probe crash-looped the game server.Why: the kubelet's probe connects to port 7777 and closes at once. The Terraria server then throws
ObjectDisposedExceptioninNetplay.ServerLoopand exits.The fix: an
execreadiness probe now reads/proc/net/tcpfor a socket listening on 7777. It never connects, so it can't trigger the crash, and the pod still turns Ready only once the server accepts players.Changes:
modulespointer: pinned to gameplane-modulemainatafbcf1f. That commit contains release prep: cosign.pub + docs, GitHub Release automation, 2-3x faster CI #42 (terraria2.2.2 andtmodloader1.0.1 with the exec probe) and chore(release): stage v0.2.0-beta.5 #43 (minecraft-java2.9.0,currentFrom: difficultyfor feat: pre-fill action params from a live status metric (currentFrom) #553). Both are merged.test/e2e/terraria_bot_e2e_test.go: the bot test's inline template uses the same exec probe, so it runs the configuration that ships. Its other checks are unchanged, including the JOINED join-depth check on port 7777.The first commit on this branch removed the probe outright. Following review, the second commit restores readiness gating with the non-connecting probe.
Verification
tcpSocketprobe gave 5 restarts in 6 minutes.sh,grep -Eand/proc/net/tcp.gofmt -lis clean on the fixture.Needs a reviewer's eye
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