Ilker ManapandClaude Opus 5.5
bbe45804c7
The region offers its binary (version, arch, sha256) in each rack's state and serves it over mutual TLS; the rack stages it after checking checksum and version; a root path unit installs it, restarts the rack and rolls back if it does not register within a minute. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
33 lines
1.4 KiB
Bash
Executable File
33 lines
1.4 KiB
Bash
Executable File
#!/bin/sh
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# Installs a rollcall binary the rack controller staged (rollcall-rack-update.path).
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# The rack checked the region's checksum and the binary's version; this checks
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# them again, keeps the running binary as .prev, restarts the rack and puts the
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# previous binary back if the rack does not register with the region in 60 s.
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set -u
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D=/var/lib/rollcall/update
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BIN=/usr/local/bin/rollcall
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[ -f "$D/ready" ] || exit 0
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want=$(cat "$D/ready"); rm -f "$D/ready"
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cd "$D" || exit 1
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result() { echo "$(date -Is) $*" > "$D/last-result"; echo "$*"; }
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sha256sum -c rollcall.new.sha256 >/dev/null 2>&1 || { result "$want: checksum mismatch, not installed"; exit 1; }
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got=$(./rollcall.new version 2>/dev/null | awk '{print $2}')
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[ "$got" = "$want" ] || { result "$want: binary reports '$got', not installed"; exit 1; }
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cur=$("$BIN" version 2>/dev/null | awk '{print $2}')
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cp -p "$BIN" "$BIN.prev"
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install -m 0755 rollcall.new "$BIN.tmp" && mv -f "$BIN.tmp" "$BIN"
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since=$(date +%s)
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systemctl restart rollcall-rack.service
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for _ in $(seq 1 30); do
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sleep 2
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if journalctl -u rollcall-rack.service --since "@$since" -o cat 2>/dev/null | grep -q "^.*registered with"; then
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rm -f rollcall.new rollcall.new.sha256
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result "updated $cur -> $want"
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exit 0
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fi
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done
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cp -p "$BIN.prev" "$BIN.tmp" && mv -f "$BIN.tmp" "$BIN"
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systemctl restart rollcall-rack.service
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result "$want did not register within 60s; rolled back to $cur"
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exit 1
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