67 lines
2.5 KiB
Shell
67 lines
2.5 KiB
Shell
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#!/bin/bash
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# The CI runner's window by hand, outside the night's (ADR 0039, D6): the heavy sidecars
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# rested (halkyon-night), the runner started, every queued job run, then the runner
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# stopped and the sidecars started again (halkyon-morning), however it ends. Jellyfin,
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# the map, routes, place search, LanguageTool and the dictionaries are down meanwhile;
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# --keep-sidecars keeps them, and the job runs slower beside them, in swap.
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#
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# Installed root's own by host step 7, never run from deploy's checkout (deploy could
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# change it, and root runs it):
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# sudo install -m 755 deploy/runner/ci-now.sh /usr/local/sbin/halkyon-ci-now
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# At the iMac: sudo halkyon-ci-now [--keep-sidecars]
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# From melchior, on its own on balthasar, so a closed laptop doesn't end it:
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# ssh -t balthasar sudo systemd-run --unit halkyon-ci-now /usr/local/sbin/halkyon-ci-now
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# ssh balthasar journalctl -fu halkyon-ci-now
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# ssh -t balthasar sudo systemctl stop halkyon-ci-now # to end it early
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set -euo pipefail
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keep=false
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case ${1:-} in
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'') ;;
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--keep-sidecars) keep=true ;;
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*)
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echo "usage: $0 [--keep-sidecars]" >&2
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exit 2
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;;
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esac
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[ "$(id -u)" = 0 ] || { echo "Error: run it as root (sudo)" >&2; exit 1; }
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if systemctl is-active --quiet forgejo-runner; then
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echo "The runner runs already (the night's window, or another start); nothing done." >&2
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exit 1
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fi
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restore() {
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trap - EXIT INT TERM HUP
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echo "== The runner stopped$($keep || echo ', the sidecars started again')"
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systemctl stop forgejo-runner || true
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$keep || systemctl start halkyon-morning
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}
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trap restore EXIT INT TERM HUP
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if ! $keep; then
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echo "== The heavy sidecars rested"
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systemctl start halkyon-night
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fi
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echo "== The runner started; it stops itself after three hours at the latest"
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systemctl start forgejo-runner
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# The runner alone in its control group while idle; a job's processes beside it while
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# one runs. Done once it has been idle for 90 s, several of its 10 s polls of the queue.
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procs=/sys/fs/cgroup/system.slice/forgejo-runner.service/cgroup.procs
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idle=0
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jobs=0
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running=false
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while systemctl is-active --quiet forgejo-runner; do
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if [ "$(wc -l <"$procs")" -gt 1 ]; then
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$running || { jobs=$((jobs + 1)); echo "$(date +%H:%M) job $jobs running"; }
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running=true
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idle=0
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else
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$running && echo "$(date +%H:%M) job $jobs ended"
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running=false
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idle=$((idle + 10))
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[ "$idle" -ge 90 ] && break
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fi
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sleep 10
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done
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echo "== $jobs job(s) run; their results are in Forgejo, the repository's Actions"
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