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feat(maintenance): nightly stale SSH forward cleanup at 03:00

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Add bridge maintenance cleanup to detect reverse tunnels whose remote
port is bound but no longer forwards (zombie sshd sessions), kill the
stale listeners on the remote host, and optionally restart the tunnel.

Includes install-cron/uninstall-cron/show-cron helpers and README notes
for the actcore-state-hub-bridge failure mode we hit on railiance01.
This commit is contained in:
Bernd Worsch
2026-06-19 15:59:27 +02:00
parent a6857fb8f7
commit 4e9882909f
5 changed files with 565 additions and 1 deletions
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8
Makefile
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@@ -1,6 +1,6 @@
.DEFAULT_GOAL := help
.PHONY: help setup test lint install mcp-http mcp-stop
.PHONY: help setup test lint install mcp-http mcp-stop cron-install-cron cron-uninstall-cron
help: ## List available make targets
@awk 'BEGIN {FS = ":.*## "}; /^[a-zA-Z0-9_.-]+:.*## / {printf " %-16s %s\n", $$1, $$2}' $(MAKEFILE_LIST)
@@ -23,3 +23,9 @@ mcp-http: ## Start MCP server in SSE mode (default port 8002)
mcp-stop: ## Stop MCP server running on port 8002
@lsof -ti:$${BRIDGE_MCP_PORT:-8002} | xargs -r kill -TERM && echo "MCP server stopped" || echo "No MCP server running on port $${BRIDGE_MCP_PORT:-8002}"
cron-install-cron: ## Install 03:00 nightly stale-forward cleanup cron
bridge maintenance install-cron
cron-uninstall-cron: ## Remove nightly stale-forward cleanup cron
bridge maintenance uninstall-cron