912fb88881
A bare restart picks up whatever is installed. r477 predates the two subconscious fixes, so restarting on it would have looked like delivery and shipped nothing. Gate proven before arming: rejects both currently-available packages, accepts only a descendant of NEED.
67 lines
2.1 KiB
Shell
Executable file
67 lines
2.1 KiB
Shell
Executable file
#!/usr/bin/env bash
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# Wait for an edge package that actually contains the subconscious fixes,
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# upgrade to it, then restart the server.
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#
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# A bare restart would have been wrong: r477 (aa6cd4e) predates 877cad0 and
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# 837e024, so restarting on it picks up config only and leaves her rescue on
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# the shelf. This waits for a package whose git hash is a DESCENDANT of NEED.
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#
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# Disarm: systemctl --user stop sv-upgrade-restart.service
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set -uo pipefail
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REPO=/home/casey/Projects/souveraine
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NEED=${NEED:-837e024}
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LOG=${LOG:-/tmp/sv-upgrade-restart.log}
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DEADLINE_MIN=${DEADLINE_MIN:-60}
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POLL_SEC=${POLL_SEC:-60}
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exec >>"$LOG" 2>&1
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say() { echo "$(date -Is) $*"; }
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pkg_hash() {
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# "0.1.r477.gaa6cd4e219bf-1" -> "aa6cd4e219bf"
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local ver=$1 h
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h=${ver##*.g}
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h=${h%%-*}
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printf '%s' "$h"
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}
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say "=== armed; waiting for a package containing $NEED ==="
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say "installed now: $(pacman -Q souveraine 2>/dev/null || echo none)"
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end=$(( $(date +%s) + DEADLINE_MIN * 60 ))
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while [ "$(date +%s)" -lt "$end" ]; do
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sudo -n pacman -Sy --noconfirm >/dev/null 2>&1
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ver=$(pacman -Si souveraine 2>/dev/null | awk -F': +' '/^Version/{print $2; exit}')
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if [ -z "${ver:-}" ]; then
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say "repo did not answer a version — retrying"
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sleep "$POLL_SEC"
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continue
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fi
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hash=$(pkg_hash "$ver")
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if [ -n "$hash" ] && git -C "$REPO" merge-base --is-ancestor "$NEED" "$hash" 2>/dev/null; then
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say "package $ver contains $NEED — upgrading"
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if sudo -n pacman -S --noconfirm souveraine; then
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say "upgraded to $(pacman -Q souveraine)"
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say "restarting souveraine.service"
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systemctl --user restart souveraine.service
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say "restart issued (rc=$?)"
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say "running: $(systemctl --user show souveraine.service -p MainPID --value)"
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else
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say "UPGRADE FAILED — not restarting; the old server keeps running"
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exit 1
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fi
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exit 0
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fi
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say "available $ver does not contain $NEED yet — waiting ${POLL_SEC}s"
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sleep "$POLL_SEC"
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done
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say "TIMED OUT after ${DEADLINE_MIN}m — no package containing $NEED. Nothing restarted."
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exit 2
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