Initialize AutoLibrary website with Gitea deployment

2026-11-04 09:59:06 +08:00
commit 18216953e7
@@ -0,0 +1,109 @@
+#!/usr/bin/env bash
+set -euo pipefail
+cd "$(dirname "${BASH_SOURCE[0]}")/.."
+
+root=/opt/autolibrary
+service=autolibrary-webserver.service
+current=$root/current
+sha=${RELEASE_SHA:?Missing RELEASE_SHA}
+port=${AUTOLIBRARY_PORT:-3003}
+[[ $sha =~ ^[0-9a-f]{40}$ && $(git rev-parse HEAD) == "$sha" ]]
+[[ $port =~ ^[1-9][0-9]{0,4}$ && $port -le 65535 ]]
+base_url=http://127.0.0.1:$port
+
+healthy() {
+    local path
+    for path in / /api/health; do
+        [[ $(curl --silent --show-error --noproxy '*' --max-time 2 \
+            --output /dev/null --write-out '%{http_code}' "$base_url$path") == 200 ]] || return 1
+    done
+}
+
+wait_for_service() {
+    local attempt
+    for ((attempt = 0; attempt < 20; attempt++)); do
+        if systemctl is-active --quiet "$service" && healthy; then
+            return 0
+        fi
+        sleep 1
+    done
+    return 1
+}
+
+# Serialize releases, including manual reruns of the workflow.
+exec 9>"$root/releases/.deploy.lock"
+flock -x 9
+remote_head=$(git ls-remote --exit-code origin refs/heads/main)
+if [[ ${remote_head%%$'\t'*} != "$sha" ]]; then
+    echo "Skipping $sha because main has moved."
+    exit 0
+fi
+
+previous=
+if [[ -L $current ]]; then
+    previous=$(readlink "$current")
+    [[ -d $current ]] || { echo "Broken release link: $current" >&2; exit 1; }
+elif [[ -e $current ]]; then
+    echo "Expected a release symlink at $current" >&2
+    exit 1
+fi
+
+test -f "$root/shared/config.json"
+sudo -n -l /usr/bin/systemctl restart "$service" >/dev/null
+sudo -n -l /usr/bin/systemctl stop "$service" >/dev/null
+
+release=$(mktemp -d "$root/releases/$sha.XXXXXXXX")
+switch_dir=
+finished=false
+
+switch_to() {
+    ln -s -- "$1" "$switch_dir/current" &&
+        mv -Tf -- "$switch_dir/current" "$current"
+}
+
+cleanup() {
+    local status=$?
+    trap - EXIT
+    trap '' INT TERM
+    set +e
+    if ! $finished && [[ $(readlink "$current") == "$release" ]]; then
+        echo "Deployment failed. Restoring the previous service state." >&2
+        if [[ -n $previous ]]; then
+            rm -f -- "$switch_dir/current"
+            if ! switch_to "$previous" || ! sudo -n /usr/bin/systemctl restart "$service" ||
+                ! wait_for_service; then
+                echo "Rollback failed. Check journalctl -u $service." >&2
+                status=1
+            fi
+        elif ! sudo -n /usr/bin/systemctl stop "$service" || ! rm -f -- "$current"; then
+            echo "Could not clean up the first deployment. Check $service and $current." >&2
+            status=1
+        fi
+    fi
+    if ! $finished && [[ $(readlink "$current") != "$release" ]]; then
+        rm -rf -- "$release"
+    fi
+    if [[ -n $switch_dir ]]; then
+        rm -rf -- "$switch_dir"
+    fi
+    exit "$status"
+}
+trap cleanup EXIT
+trap 'exit 130' INT
+trap 'exit 143' TERM
+
+switch_dir=$(mktemp -d "$root/.switch.XXXXXXXX")
+install -m 0755 .deploy/webserver "$release/webserver"
+install -d -m 0755 "$release/frontend" "$release/backend"
+cp -r frontend/dist "$release/frontend/dist"
+cp -r backend/templates "$release/backend/templates"
+test -s "$release/frontend/dist/index.html"
+test -s "$release/backend/templates/404.html"
+ln -s "$root/shared/logs" "$release/logs"
+chmod -R a+rX "$release"
+
+switch_to "$release"
+sudo -n /usr/bin/systemctl restart "$service"
+wait_for_service
+finished=true
+echo "Deployed $sha to $release"