a181625c89
Includes: - gitea-backups/bin/backup.sh (per-push bundle + DB snapshot to local + S3) - gitea-backups/bin/install-hooks.sh (idempotent post-receive shim installer) - gitea-backups/bin/retention.sh (count-based retention: keep newest 7 dates) - gitea-mirror/bin/auto-mirror.sh (Gitea -> GitHub push mirror automation, hardened against Gitea outages) - crontab.txt (reference for the 3 cron entries) - README.md (architecture, layout, bootstrap)
114 lines
4.1 KiB
Bash
Executable File
114 lines
4.1 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Gitea per-push backup: bundles the pushed repo + snapshots SQLite DB.
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# Invoked from each repo's hooks/post-receive.d/zzz-backup shim.
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# Failures NEVER block the push — git push has already succeeded by the time we run.
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set -u
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# Git hooks run with $HOME pointing oddly (the repo dir or similar), so tools
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# like rclone can't find ~/.config/rclone/rclone.conf. Force it.
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export HOME="/home/ubuntu"
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BACKUP_ROOT="/home/ubuntu/gitea-backups"
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GITEA_REPOS="/home/ubuntu/gitea/data/gitea-repositories"
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GITEA_DB="/home/ubuntu/gitea/data/gitea.db"
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RETENTION_DAYS=7
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LOG="${BACKUP_ROOT}/logs/backup.log"
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STATUS="${BACKUP_ROOT}/logs/last-status"
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# S3 (offsite). Empty S3_BUCKET disables the upload step entirely.
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S3_BUCKET="toqqer-gitea-backup"
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S3_REMOTE="s3" # rclone remote name (configured in ~/.config/rclone/rclone.conf)
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ts="$(date -u +%Y-%m-%dT%H-%M-%SZ)"
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day="$(date -u +%Y-%m-%d)"
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log() { printf '%s %s\n' "$(date -u +%FT%TZ)" "$*" >> "$LOG"; }
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# git invokes the hook with $GIT_DIR set to the bare repo path
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repo_path="${GIT_DIR:-$(pwd)}"
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repo_path="$(cd "$repo_path" && pwd)"
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# derive owner/name from the path: .../gitea-repositories/<owner>/<name>.git
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rel="${repo_path#${GITEA_REPOS}/}"
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owner="${rel%%/*}"
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name="${rel#*/}"
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name="${name%.git}"
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if [[ -z "$owner" || -z "$name" || "$owner" == "$rel" ]]; then
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log "SKIP: could not parse owner/name from $repo_path"
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echo "FAIL ${ts} parse-error ${repo_path}" > "$STATUS"
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exit 0 # never block the push
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fi
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log "START ${owner}/${name}"
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# ---- 1) repo bundle ---------------------------------------------------------
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bundle_dir="${BACKUP_ROOT}/repos/${owner}/${name}"
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mkdir -p "$bundle_dir"
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bundle_file="${bundle_dir}/${ts}.bundle"
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if git -C "$repo_path" bundle create "$bundle_file" --all 2>>"$LOG"; then
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bundle_size=$(stat -c %s "$bundle_file" 2>/dev/null || echo 0)
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log "OK bundle ${owner}/${name} -> ${bundle_file} (${bundle_size} bytes)"
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else
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log "FAIL bundle ${owner}/${name}"
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echo "FAIL ${ts} bundle ${owner}/${name}" > "$STATUS"
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# continue to DB backup anyway
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fi
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# ---- 2) SQLite hot backup (via python3, avoids sqlite3 CLI dependency) ----
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db_file="${BACKUP_ROOT}/db/${ts}-gitea.db"
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if python3 -c "
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import sqlite3, sys
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src = sqlite3.connect('${GITEA_DB}')
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dst = sqlite3.connect('${db_file}')
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src.backup(dst)
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dst.close(); src.close()
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" 2>>"$LOG"; then
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if gzip -f "$db_file" 2>>"$LOG"; then
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db_size=$(stat -c %s "${db_file}.gz" 2>/dev/null || echo 0)
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log "OK db -> ${db_file}.gz (${db_size} bytes)"
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else
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log "FAIL gzip db ${db_file}"
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fi
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else
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log "FAIL sqlite .backup -> ${db_file}"
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fi
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# ---- 3) S3 offsite upload --------------------------------------------------
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# Layout: s3://<bucket>/YYYY-MM-DD/repos/<owner>/<name>/<ts>.bundle
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# s3://<bucket>/YYYY-MM-DD/db/<ts>-gitea.db.gz
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# 7-day retention enforced by the bucket's lifecycle policy, NOT here.
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s3_status="skipped"
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if [[ -n "$S3_BUCKET" ]] && command -v rclone >/dev/null 2>&1; then
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s3_bundle_target="${S3_REMOTE}:${S3_BUCKET}/${day}/repos/${owner}/${name}/${ts}.bundle"
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s3_db_target="${S3_REMOTE}:${S3_BUCKET}/${day}/db/${ts}-gitea.db.gz"
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s3_ok=1
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if [[ -f "$bundle_file" ]]; then
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if rclone copyto --no-traverse "$bundle_file" "$s3_bundle_target" 2>>"$LOG"; then
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log "OK s3 bundle -> ${s3_bundle_target}"
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else
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log "FAIL s3 bundle -> ${s3_bundle_target}"
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s3_ok=0
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fi
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fi
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if [[ -f "${db_file}.gz" ]]; then
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if rclone copyto --no-traverse "${db_file}.gz" "$s3_db_target" 2>>"$LOG"; then
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log "OK s3 db -> ${s3_db_target}"
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else
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log "FAIL s3 db -> ${s3_db_target}"
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s3_ok=0
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fi
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fi
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s3_status=$([[ $s3_ok -eq 1 ]] && echo "ok" || echo "fail")
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fi
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# ---- 4) cleanup is handled by retention.sh (daily cron, "keep newest N dates"). ----
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# Push-triggered cleanup was removed because age-based cleanup would empty the
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# bucket during quiet periods. retention.sh keeps the most-recent N date-folders
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# regardless of how old they are.
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echo "OK ${ts} ${owner}/${name} s3=${s3_status}" > "$STATUS"
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log "END ${owner}/${name} s3=${s3_status}"
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exit 0
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