ekklesiaandClaude Opus 5.5
a9700536bf
tools/release-gate.sh is the one gate: a fresh install, and the upgrade from what canary and stable serve, each on a room of that channel, plus any older release rooms are still on (RELEASE_GATE_FROM). The releases it upgrades from are fetched over HTTPS and checked against their manifests, so it needs no credential and a CI runner can run it. update_canary.sh VERSION PACKAGE gates and publishes that file without rebuilding it, since a second build is a second, untested file; the hash is taken before the gate and checked after it. update_stable.sh VERSION SHA256 refuses anything but the file that was approved. Co-Authored-By: Claude Opus 5.5 <[email protected]>
147 lines
4.7 KiB
Bash
Executable File
147 lines
4.7 KiB
Bash
Executable File
#!/bin/bash
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# THE RELEASE GATE: may this exact file go to a classroom?
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#
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# tools/release-gate.sh PACKAGE.deb [FROM_VERSION...]
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#
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# Runs tools/validate-trixie-release.sh against PACKAGE as
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#
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# * a fresh install;
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# * an upgrade from what canary serves today, on a canary room;
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# * an upgrade from what stable serves today, on a stable room;
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# * an upgrade from each FROM_VERSION, on a stable room — the release a
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# room is really still on, which can be several behind stable.
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#
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# The releases it upgrades from are downloaded over HTTPS the way a
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# classroom downloads them, and each is checked against the SHA-256 its
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# manifest publishes, or, for a FROM_VERSION, against the version dpkg
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# reads out of it. Nothing here needs a credential or writes to the
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# update server, so a CI runner can run it on code nobody has reviewed.
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#
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# Every run is one line in RELEASE_GATE_REPORT (default: printed only),
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# so the result can be attached to the release it describes.
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#
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# It stops at the first failure: a gate that carries on reports a pass
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# for a machine it never finished building.
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set -euo pipefail
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# The fetches below run in $(...), which otherwise ignores set -e: a
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# manifest that failed to download would go on to compare an empty hash
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# with an empty hash, and match.
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shopt -s inherit_errexit
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ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
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source "$ROOT/tools/release-lib.sh"
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if [[ $# -lt 1 ]]; then
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echo "Usage: $0 PACKAGE.deb [FROM_VERSION...]" >&2
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exit 2
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fi
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candidate="$(realpath "$1")"
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shift
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extra_from=("$@")
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[[ -f "$candidate" ]] || { echo "Package not found: $candidate" >&2; exit 1; }
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version="$(release_package_version "$candidate")"
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release_require_version "$version"
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# The name a release is published under is the version dpkg reads out of
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# it. A file called 0.2.6.6 that says it is 0.2.6.5 is the wrong file.
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if [[ "$(basename "$candidate")" != "$(release_package_name "$version")" ]]; then
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echo "$(basename "$candidate") says it is $version." >&2
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exit 1
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fi
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hash="$(sha256sum "$candidate" | awk '{print $1}')"
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report="${RELEASE_GATE_REPORT:-}"
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work="$(mktemp -d)"
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trap 'rm -rf "$work"' EXIT
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record() {
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printf '%s\n' "$1"
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[[ -z "$report" ]] || printf '%s\n' "$1" >> "$report"
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}
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[[ -z "$report" ]] || : > "$report"
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record "release gate for $(basename "$candidate")"
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record "sha256 $hash"
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record "started $(date -u +%Y-%m-%dT%H:%M:%SZ)"
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# A channel's current package, fetched as a classroom fetches it and
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# proven to be what the manifest promises.
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fetch_channel() {
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local channel="$1" manifest from from_hash name got
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manifest="$(curl -fsS -H 'Cache-Control: no-cache' "$RELEASE_URL/$channel/manifest.json")"
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read -r from from_hash < <(python3 -c 'import json, sys
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m = json.loads(sys.argv[1])
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print(m["version"], m["sha256"])' "$manifest")
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release_require_version "$from"
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[[ "$from_hash" =~ ^[0-9a-f]{64}$ ]]
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name="$(release_package_name "$from")"
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curl -fsS -o "$work/$name" "$RELEASE_URL/packages/$name"
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got="$(sha256sum "$work/$name" | awk '{print $1}')"
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if [[ "$got" != "$from_hash" ]]; then
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echo "$channel serves $name with sha256 $got; its manifest says $from_hash" >&2
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return 1
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fi
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printf '%s\n' "$work/$name"
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}
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# A published release by version, for the rooms still on an older one.
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fetch_version() {
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local from="$1" name
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release_require_version "$from"
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name="$(release_package_name "$from")"
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curl -fsS -o "$work/$name" "$RELEASE_URL/packages/$name"
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if [[ "$(release_package_version "$work/$name")" != "$from" ]]; then
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echo "$name does not say it is $from" >&2
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return 1
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fi
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printf '%s\n' "$work/$name"
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}
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run() {
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local label="$1" started
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shift
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started=$SECONDS
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echo
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echo "== $label"
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"$@"
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record "PASS $label ($(( (SECONDS - started) / 60 )) min)"
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}
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run "fresh install of $version" \
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"$ROOT/tools/validate-trixie-release.sh" "$candidate"
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for channel in canary stable; do
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previous="$(fetch_channel "$channel")"
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from="$(release_package_version "$previous")"
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if ! release_version_gt "$version" "$from"; then
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echo "$channel is on $from; $version is not newer, so no room could take it." >&2
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exit 1
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fi
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run "upgrade $from -> $version on a $channel room ($channel serves $from)" \
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env VALIDATION_CHANNEL="$channel" \
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"$ROOT/tools/validate-trixie-release.sh" "$candidate" "$previous"
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done
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for from in "${extra_from[@]}"; do
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previous="$(fetch_version "$from")"
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run "upgrade $from -> $version on a stable room" \
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env VALIDATION_CHANNEL=stable \
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"$ROOT/tools/validate-trixie-release.sh" "$candidate" "$previous"
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done
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record "finished $(date -u +%Y-%m-%dT%H:%M:%SZ): $(basename "$candidate") passed the release gate"
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