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43 lines
1.4 KiB
Bash
Executable File
43 lines
1.4 KiB
Bash
Executable File
#!/bin/sh
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# Cross-compile form2mail for linux-amd64 and deploy to <user>@<host>.
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# Usage: scripts/deploy.sh <user>@<host> [service-name]
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#
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# Uses the rename-old-first pattern (avoids scp ETXTBSY on running ELFs),
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# restarts via systemctl, verifies --version runs from the new inode, then
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# removes the .old backup. Leaves .old in place if verification fails so
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# rollback is `mv ~/bin/<bin>.old ~/bin/<bin>`.
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set -eu
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g_remote="${1:?usage: $0 <user>@<host> [service-name]}"
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g_service="${2:-form2mail}"
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g_bin="form2mail"
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cd "$(dirname "$0")/.."
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echo "Building ${g_bin} for linux-amd64..."
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GOOS=linux GOARCH=amd64 go build -o "${g_bin}-linux" .
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echo "Renaming old binary on ${g_remote}..."
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ssh "${g_remote}" "mv ~/bin/${g_bin} ~/bin/${g_bin}.old"
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echo "Copying new binary..."
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scp "${g_bin}-linux" "${g_remote}:~/bin/${g_bin}"
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echo "Restarting ${g_service}..."
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ssh "${g_remote}" "sudo systemctl restart ${g_service}"
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sleep 2
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echo "Verifying..."
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if ! ssh "${g_remote}" "systemctl is-active ${g_service}" > /dev/null; then
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echo " FAILED: ${g_service} not active. Logs:"
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ssh "${g_remote}" "sudo journalctl -u ${g_service} -n 20 --no-pager"
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echo " Backup still at ~/bin/${g_bin}.old — roll back with:"
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echo " ssh ${g_remote} 'mv ~/bin/${g_bin}.old ~/bin/${g_bin} && sudo systemctl restart ${g_service}'"
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exit 1
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fi
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echo "Removing backup..."
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ssh "${g_remote}" "rm ~/bin/${g_bin}.old"
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echo "OK: ${g_service} deployed and active."
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