sync

ci: feat add semver conven versioning (#11 )
Reviewed-on: #11 Co-authored-by: t.behrendt <t.behrendt@t00n.de> Co-committed-by: t.behrendt <t.behrendt@t00n.de>
2025-09-01 19:53:31 +02:00 · 2025-09-01 13:13:54 +02:00 · 2025-07-30 10:02:46 +02:00 · 2025-04-18 13:58:29 +02:00 · 2025-02-07 20:56:02 +01:00
21 changed files with 965 additions and 167 deletions
--- a/.drone.yaml
+++ b/.drone.yaml
@@ -1,28 +0,0 @@
-kind: pipeline
-type: docker
-
-name: build-and-push-container
-
-triggers:
-  branch:
-    - main
-  event:
-    - push
-
-steps:
-  - name: build
-    image: docker:20
-    commands:
-      - docker build -t gitea.t000-n.de/t.behrendt/backupsidecar:${DRONE_COMMIT:0:8} .
-
-  - name: push
-    image: docker:20
-    settings:
-      username:
-        from_secret: REGISTRY_USERNAME
-      password:
-        from_secret: REGISTRY_PASSWORD
-      repo: gitea.t000-n.de/t.behrendt/backupsidecar
-      tags: 
-        - latest
-        - ${DRONE_COMMIT:0:8}
--- a/.gitea/workflows/cd.yaml
+++ b/.gitea/workflows/cd.yaml
@@ -0,0 +1,111 @@
+name: CD
+
+on:
+  push:
+    branches:
+      - main
+
+env:
+  DOCKER_REGISTRY: gitea.t000-n.de
+
+jobs:
+  check-changes:
+    name: Check changes
+    runs-on: ubuntu-latest
+    outputs:
+      changes: ${{ steps.filter.outputs.code }}
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v5
+
+      - name: Get changed files
+        id: filter
+        uses: dorny/paths-filter@v3
+        with:
+          filters: |
+            code:
+              - 'src/**'
+              - 'Dockerfile'
+              - 'gitea/workflows/**'
+
+  build_and_push:
+    name: Build and push
+    needs:
+      - check-changes
+    if: ${{ needs.check-changes.outputs.changes != '0' }}
+    strategy:
+      matrix:
+        arch:
+          - amd64
+          - arm64
+    runs-on:
+      - ubuntu-latest
+      - linux_${{ matrix.arch }}
+    steps:
+      - uses: actions/checkout@v5
+      - uses: docker/setup-buildx-action@v3
+      - uses: docker/login-action@v3
+        with:
+          registry: ${{ env.DOCKER_REGISTRY }}
+          username: ${{ secrets.REGISTRY_USER }}
+          password: ${{ secrets.REGISTRY_PASSWORD }}
+      - id: meta
+        run: |
+          echo REPO_NAME=$(echo ${GITHUB_REPOSITORY} | awk -F"/" '{print $2}' | tr '[:upper:]' '[:lower:]') >> $GITHUB_OUTPUT
+          echo REPO_VERSION=$(git describe --tags --always | sed 's/^v//') >> $GITHUB_OUTPUT
+      - uses: docker/build-push-action@v6
+        with:
+          context: .
+          file: ./Dockerfile
+          platforms: linux/${{ matrix.arch }}
+          push: true
+          provenance: false
+          tags: |
+            ${{ env.DOCKER_REGISTRY }}/t.behrendt/${{ steps.meta.outputs.REPO_NAME }}:${{ steps.meta.outputs.REPO_VERSION }}-${{ matrix.arch }}
+
+  create_tag:
+    name: Create tag
+    needs:
+      - check-changes
+    if: ${{ needs.check-changes.outputs.changes != '0' }}
+    runs-on: ubuntu-latest
+    outputs:
+      tag: ${{ steps.tag.outputs.new-tag }}
+    steps:
+      - uses: actions/checkout@v5
+        with:
+          fetch-depth: 0
+      - uses: https://gitea.t000-n.de/t.behrendt/conventional-semantic-git-tag-increment@0.0.2
+        id: tag
+        with:
+          token: ${{ secrets.GITEA_TOKEN }}
+      - run: |
+          git tag ${{ steps.tag.outputs.new-tag }}
+          git push origin ${{ steps.tag.outputs.new-tag }}
+      - name: Set output
+        run: |
+          echo "tag=${{ steps.tag.outputs.new-tag }}" >> $GITHUB_OUTPUT
+
+  create_manifest:
+    name: Create manifest
+    needs:
+      - build_and_push
+      - create_tag
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v5
+      - id: meta
+        run: |
+          echo REPO_NAME=$(echo ${GITHUB_REPOSITORY} | awk -F"/" '{print $2}' | tr '[:upper:]' '[:lower:]') >> $GITHUB_OUTPUT
+          echo REPO_VERSION=$(git describe --tags --always | sed 's/^v//') >> $GITHUB_OUTPUT
+      - uses: docker/login-action@v3
+        with:
+          registry: ${{ env.DOCKER_REGISTRY }}
+          username: ${{ secrets.REGISTRY_USER }}
+          password: ${{ secrets.REGISTRY_PASSWORD }}
+      - run: |
+          docker manifest create ${{ env.DOCKER_REGISTRY }}/t.behrendt/${{ steps.meta.outputs.REPO_NAME }}:${{ needs.create_tag.outputs.tag }} \
+            ${{ env.DOCKER_REGISTRY }}/t.behrendt/${{ steps.meta.outputs.REPO_NAME }}:${{ steps.meta.outputs.REPO_VERSION }}-amd64 \
+            ${{ env.DOCKER_REGISTRY }}/t.behrendt/${{ steps.meta.outputs.REPO_NAME }}:${{ steps.meta.outputs.REPO_VERSION }}-arm64
+
+          docker manifest push ${{ env.DOCKER_REGISTRY }}/t.behrendt/${{ steps.meta.outputs.REPO_NAME }}:${{ needs.create_tag.outputs.tag }}
--- a/.gitea/workflows/ci.yaml
+++ b/.gitea/workflows/ci.yaml
@@ -0,0 +1,24 @@
+name: CI
+
+on:
+  pull_request:
+
+jobs:
+  build:
+    name: Build Docker image
+    runs-on:
+      - ubuntu-latest
+      - linux_amd64
+    steps:
+      - uses: actions/checkout@v5
+      - uses: docker/setup-buildx-action@v3
+      - name: Build image
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          file: ./Dockerfile
+          platforms: linux/amd64
+          push: false
+          provenance: false
+          tags: |
+            backupsidecar:ci-test
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,34 @@
-dockerBuildAndPush.sh
+# dependencies (bun install)
+node_modules
+
+# output
+out
+dist
+*.tgz
+
+# code coverage
+coverage
+*.lcov
+
+# logs
+logs
+_.log
+report.[0-9]_.[0-9]_.[0-9]_.[0-9]_.json
+
+# dotenv environment variable files
+.env
+.env.development.local
+.env.test.local
+.env.production.local
+.env.local
+
+# caches
+.eslintcache
+.cache
+*.tsbuildinfo
+
+# IntelliJ based IDEs
+.idea
+
+# Finder (MacOS) folder config
+.DS_Store
--- a/20
+++ b/20
@@ -1,14 +1,16 @@
-FROM alpine:3.17
+FROM alpine:3.22

-# Setup correct TZ
-RUN apk add alpine-conf
-RUN /sbin/setup-timezone -z UTC
-
-RUN apk add restic curl
+RUN apk update && apk add --no-cache \
+    bash \
+    curl \
+    restic \
+    postgresql-client \
+    jq

 WORKDIR /app

-COPY ./src/entry.sh /app/
-COPY ./src/backup.sh /app/
+COPY src/backup.sh /app/backup.sh

-CMD [ "/bin/sh", "entry.sh" ]
+RUN chmod +x /app/backup.sh
+
+ENTRYPOINT ["/app/backup.sh"]
--- a/README.md
+++ b/README.md
@@ -1,20 +1,113 @@
-# backupsidecar
+# BackupSidecar

-Backup sidecar that automatically creates backups of one PVC and saves it to another PVC via restic
+BackupSidecar is a lightweight backup solution designed to run as a cron job in Kubernetes. It automates backups using Restic and supports both directory and PostgreSQL database backups. Notifications are sent via Gotify to keep you informed of backup results.

-## Function
-A cronjob inside the container runs in the configured interval creating the backup and purging old backups.
-A notification is sent to gotify on completion of the backup or on error of either the backup or purge.
+## Configuration

-## Environment Variables
-| ENV Variable | Required |Description| Example Value
-|--------------|----------|--------------|-
-|INTERVAL|yes|cronjob interval string|15 14 * * *|
-|RESTIC_REPOSITORY|yes|path of the restic repository|/mnt/backups/gitea|
-|SOURCEDIR |yes|path of the path to backup|/mnt/toBackup/|
-|KEEPLAST|yes|number of increments to keep (keep in mind that the number of backups to keep correlates with the interval in which they are created) |10|
-|RESTIC_PASSWORD|yes|password for the restic repository|******|
-|RUNONSTART|no|set to true to force a backup at the start of the container|true|
-|GOTIFYHOST|yes|URL of the gotify server (without trailing slash)|https://gotify.example.com|
-|GOTIFYTOKEN|yes|gotify app token|******|
-|GOTIFYTOPIC|yes|gotify topic to include in the notification|gotify|
+BackupSidecar is configured through environment variables. Below is a breakdown of the available settings.
+
+### General Settings
+
+These variables apply to both directory and PostgreSQL backups.
+
+- **`BACKUP_MODE`** _(optional)_ - Defines the backup type (`directory` or `postgres`). Defaults to `directory`.
+- **`RESTIC_PASSWORD`** _(required)_ - The encryption password for Restic.
+- **`RESTIC_REPOSITORY`** _(required)_ - The URI of the Restic repository (e.g., `rest:http://your-rest-server:8000/backup`).
+- **`RESTIC_REST_USERNAME`** _(optional)_ - The username for REST server authentication.
+- **`RESTIC_REST_PASSWORD`** _(optional)_ - The password for REST server authentication.
+- **`GOTIFYHOST`** _(required)_ - The Gotify server URL.
+- **`GOTIFYTOKEN`** _(required)_ - The API token for Gotify.
+- **`GOTIFYTOPIC`** _(required)_ - The topic under which backup notifications will be sent.
+
+### Directory Backup
+
+When running in `directory` mode, the following variable must be set:
+
+- **`SOURCEDIR`** _(required)_ - The path of the directory to be backed up.
+
+### PostgreSQL Backup
+
+For `postgres` mode, the following database-related variables are required:
+
+- **`PGHOST`** _(required)_ - The hostname of the PostgreSQL server.
+- **`PGDATABASE`** _(required)_ - The name of the database to back up.
+- **`PGUSER`** _(required)_ - The PostgreSQL username.
+- **`PGPORT`** _(optional)_ - The port for PostgreSQL (defaults to `5432`).
+- **`PGPASSWORD`** _(optional)_ - The password for authentication. Setting this prevents interactive prompts.
+- **`PG_DUMP_ARGS`** _(optional)_ - Additional flags for `pg_dump`.
+
+## Dependencies
+
+Ensure the following commands are available in the container:
+
+- `restic`
+- `curl`
+- `jq`
+- `pg_dump` _(only required for `postgres` mode)_
+
+## Usage
+
+Example Kubernetes CronJob manifest for running BackupSidecar as a cron job for directory backups in minimal configuration:
+
+```yaml
+apiVersion: batch/v1
+kind: CronJob
+metadata:
+  name: backupsidecar-cron
+  namespace: authentik
+spec:
+  schedule: "0 7 * * *"
+  concurrencyPolicy: Forbid
+  successfulJobsHistoryLimit: 5
+  failedJobsHistoryLimit: 3
+  jobTemplate:
+    spec:
+      backoffLimit: 3
+      activeDeadlineSeconds: 300
+      template:
+        spec:
+          restartPolicy: OnFailure
+          containers:
+            - name: backupsidecar
+              image: backupsidecar:latest
+              env:
+                - name: RESTIC_REPOSITORY
+                  value: "rest:http://rest-server:8000/backup"
+                - name: RESTIC_PASSWORD
+                  valueFrom:
+                    secretKeyRef:
+                      name: backupsidecar-secret
+                      key: restic_password
+                - name: BACKUP_MODE
+                  value: "directory" # or "postgres"
+                - name: SOURCEDIR
+                  value: "/data/source"
+                - name: GOTIFYHOST
+                  value: "http://gotify.example.com"
+                - name: GOTIFYTOKEN
+                  valueFrom:
+                    secretKeyRef:
+                      name: backupsidecar-secret
+                      key: gotify_token
+                - name: GOTIFYTOPIC
+                  value: "Backup Notification"
+              # (For PostgreSQL mode, add PGHOST, PGDATABASE, PGUSER, PGPORT, PGPASSWORD)
+              volumeMounts:
+                - name: source-data
+                  mountPath: /data/source
+          restartPolicy: OnFailure
+          volumes:
+            - name: source-data
+              persistentVolumeClaim:
+                claimName: source-data-pvc
+```
+
+## Notifications
+
+The script sends success or failure notifications via Gotify.
+
+Example success notification:
+
+```
+Backup successful. Snapshot 56ff6a909a44e01f67d2d88f9a76aa713d437809d7ed14a2361e28893f38befb: files new: 1, files changed: 0, data added: 1019 bytes in 0.277535184 sec
+```
--- a/bun.lock
+++ b/bun.lock
@@ -0,0 +1,90 @@
+{
+  "lockfileVersion": 1,
+  "workspaces": {
+    "": {
+      "name": "backupsidecar",
+      "dependencies": {
+        "env-var": "^7.5.0",
+        "pino": "^9.9.0",
+        "pino-pretty": "^13.1.1",
+      },
+      "devDependencies": {
+        "@types/bun": "latest",
+      },
+      "peerDependencies": {
+        "typescript": "^5",
+      },
+    },
+  },
+  "packages": {
+    "@types/bun": ["@types/bun@1.2.21", "", { "dependencies": { "bun-types": "1.2.21" } }, "sha512-NiDnvEqmbfQ6dmZ3EeUO577s4P5bf4HCTXtI6trMc6f6RzirY5IrF3aIookuSpyslFzrnvv2lmEWv5HyC1X79A=="],
+
+    "@types/node": ["@types/node@24.3.0", "", { "dependencies": { "undici-types": "~7.10.0" } }, "sha512-aPTXCrfwnDLj4VvXrm+UUCQjNEvJgNA8s5F1cvwQU+3KNltTOkBm1j30uNLyqqPNe7gE3KFzImYoZEfLhp4Yow=="],
+
+    "@types/react": ["@types/react@19.1.12", "", { "dependencies": { "csstype": "^3.0.2" } }, "sha512-cMoR+FoAf/Jyq6+Df2/Z41jISvGZZ2eTlnsaJRptmZ76Caldwy1odD4xTr/gNV9VLj0AWgg/nmkevIyUfIIq5w=="],
+
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+
+    "bun-types": ["bun-types@1.2.21", "", { "dependencies": { "@types/node": "*" }, "peerDependencies": { "@types/react": "^19" } }, "sha512-sa2Tj77Ijc/NTLS0/Odjq/qngmEPZfbfnOERi0KRUYhT9R8M4VBioWVmMWE5GrYbKMc+5lVybXygLdibHaqVqw=="],
+
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+
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+
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+
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+
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+
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+
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+
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+
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+    "strip-json-comments": ["strip-json-comments@5.0.3", "", {}, "sha512-1tB5mhVo7U+ETBKNf92xT4hrQa3pm0MZ0PQvuDnWgAAGHDsfp4lPSpiS6psrSiet87wyGPh9ft6wmhOMQ0hDiw=="],
+
+    "thread-stream": ["thread-stream@3.1.0", "", { "dependencies": { "real-require": "^0.2.0" } }, "sha512-OqyPZ9u96VohAyMfJykzmivOrY2wfMSf3C5TtFJVgN+Hm6aj+voFhlK+kZEIv2FBh1X6Xp3DlnCOfEQ3B2J86A=="],
+
+    "typescript": ["typescript@5.9.2", "", { "bin": { "tsc": "bin/tsc", "tsserver": "bin/tsserver" } }, "sha512-CWBzXQrc/qOkhidw1OzBTQuYRbfyxDXJMVJ1XNwUHGROVmuaeiEm3OslpZ1RV96d7SKKjZKrSJu3+t/xlw3R9A=="],
+
+    "undici-types": ["undici-types@7.10.0", "", {}, "sha512-t5Fy/nfn+14LuOc2KNYg75vZqClpAiqscVvMygNnlsHBFpSXdJaYtXMcdNLpl/Qvc3P2cB3s6lOV51nqsFq4ag=="],
+
+    "wrappy": ["wrappy@1.0.2", "", {}, "sha512-l4Sp/DRseor9wL6EvV2+TuQn63dMkPjZ/sp9XkghTEbV9KlPS1xUsZ3u7/IQO4wxtcFB4bgpQPRcR3QCvezPcQ=="],
+  }
+}
--- a/example-deployment.yaml
+++ b/example-deployment.yaml
@@ -1,62 +0,0 @@
-apiVersion: apps/v1
-kind: Deployment
-metadata:
-  name: backup-sidecar
-spec:
-  selector:
-    matchLabels:
-      app: backup-sidecar
-  template:
-    metadata:
-      labels:
-        app: backup-sidecar
-    spec:
-      containers:
-        - name: backup-sidecar
-          image: gitea.t000-n.de/t.behrendt/backupsidecar:latest
-          resources:
-            requests:
-              cpu: 128m
-              memory: 128Mi
-            limits:
-              cpu: 256m
-              memory: 1024Mi
-          volumeMounts:
-            - mountPath: /mnt/toBackup
-              name: data
-              readOnly: true
-            - mountPath: /mnt/backups/gitea
-              name: nfs-backup
-              subPath: gitea
-          env:
-            - name: INTERVAL
-              value: "15 14 * * *"
-            - name: RESTIC_REPOSITORY
-              value: /mnt/backups/gitea
-            - name: SOURCEDIR
-              value: "/mnt/toBackup/"
-            - name: KEEPLAST
-              value: "100"
-            - name: RESTIC_PASSWORD
-              valueFrom:
-                secretKeyRef:
-                  name: restic-credentials
-                  key: password
-            - name: RUNONSTART
-              value: "false"
-            - name: GOTIFYHOST
-              value: "https://<gotify-URL>"
-            - name: GOTIFYTOKEN
-              valueFrom:
-                secretKeyRef:
-                  name: gotify-credentials
-                  key: token
-            - name: GOTIFYTOPIC
-              value: "gitea"
-      volumes:
-        - name: data
-          persistentVolumeClaim:
-            claimName: data
-        - name: nfs-backup
-          persistentVolumeClaim:
-            claimName: backup-nfs
--- a/package.json
+++ b/package.json
@@ -0,0 +1,17 @@
+{
+  "name": "backupsidecar",
+  "module": "src/main.ts",
+  "type": "module",
+  "private": true,
+  "devDependencies": {
+    "@types/bun": "latest"
+  },
+  "peerDependencies": {
+    "typescript": "^5"
+  },
+  "dependencies": {
+    "env-var": "^7.5.0",
+    "pino": "^9.9.0",
+    "pino-pretty": "^13.1.1"
+  }
+}
--- a/renovate.json
+++ b/renovate.json
@@ -0,0 +1,3 @@
+{
+  "$schema": "https://docs.renovatebot.com/renovate-schema.json"
+}
--- a/src/backup.sh
+++ b/src/backup.sh
@@ -1,40 +1,188 @@
-#!/bin/sh
+#!/bin/bash
+set -euo pipefail

-GOTIFYURL="$GOTIFYHOST/message?token=$GOTIFYTOKEN"
+#######################################
+# Determine backup mode from the environment only.
+# Valid values: "directory" or "postgres".
+# Default to "directory" if not provided.
+#######################################
+BACKUP_MODE="${BACKUP_MODE:-directory}"

-echo "$(date +"%Y-%m-%dT%T") - Starting backup"
-
-restic backup           \
-    --verbose		\
-    $SOURCEDIR
-
-RESTIC_BACKUP_RETURN=$?
-
-if [ $RESTIC_BACKUP_RETURN -eq 0 ]; then
-    MSG_BACKUP_SUCCESS="Backup successful"
-    echo "$(date +"%Y-%m-%dT%T") - $MSG_BACKUP_SUCCESS"
-    curl -s -X POST "$GOTIFYURL" -F "title=$GOTIFYTOPIC" -F "message=$MSG_BACKUP_SUCCESS"
-else
-    MSG_BACKUP_ERR="Backup failed with error code $RESTIC_BACKUP_RETURN"
-    echo "$(date +"%Y-%m-%dT%T") - MSG_BACKUP_ERR"
-    curl -s -X POST "$GOTIFYURL" -F "title=$GOTIFYTOPIC" -F "message=$MSG_BACKUP_ERR"
-    exit $RESTIC_BACKUP_RETURN
+#######################################
+# Check for required external commands.
+#######################################
+REQUIRED_CMDS=(restic curl jq)
+if [ "$BACKUP_MODE" = "postgres" ]; then
+    REQUIRED_CMDS+=(pg_dump)
 fi

+for cmd in "${REQUIRED_CMDS[@]}"; do
+    if ! command -v "$cmd" &>/dev/null; then
+        echo "Error: Required command '$cmd' is not installed." >&2
+        exit 1
+    fi
+done

-MSG_PURGE_START="$(date +"%Y-%m-%dT%T") - Removing old backups"
-echo $MSG_PURGE_START
+#######################################
+# Validate common required environment variables.
+#######################################
+# Gotify notification settings.
+: "${GOTIFYHOST:?Environment variable GOTIFYHOST is not set}"
+: "${GOTIFYTOKEN:?Environment variable GOTIFYTOKEN is not set}"
+: "${GOTIFYTOPIC:?Environment variable GOTIFYTOPIC is not set}"

-restic forget --keep-last $KEEPLAST --prune
-RESTIC_PURGE_RETURN=$?
+# Restic encryption password.
+: "${RESTIC_PASSWORD:?Environment variable RESTIC_PASSWORD is not set}"

-if [ $RESTIC_PURGE_RETURN -eq 0 ]; then
-    echo "$(date +"%Y-%m-%dT%T") - Purge successful"
-else
-    MSG_PURGE_ERR="Purge failed with error code $MSG_PURGE_ERR"
-    echo "$(date +"%Y-%m-%dT%T") - $MSG_PURGE_ERR"
-    curl -s -X POST "$GOTIFYURL" -F "title=$GOTIFYTOPIC" -F "message=$MSG_PURGE_ERR"
-    exit $RESTIC_PURGE_RETURN
-fi
+# Use the repository URI directly from the environment.
+# Example: export RESTIC_REPOSITORY="rest:http://your-rest-server:8000/backup"
+: "${RESTIC_REPOSITORY:?Environment variable RESTIC_REPOSITORY is not set}"

-echo "$(date +"%Y-%m-%dT%T") - Going back to sleep..."
+#######################################
+# Validate mode-specific environment variables.
+#######################################
+case "$BACKUP_MODE" in
+    directory)
+        : "${SOURCEDIR:?Environment variable SOURCEDIR is not set (required for directory backup mode)}"
+        ;;
+    postgres)
+        : "${PGHOST:?Environment variable PGHOST is not set (required for PostgreSQL backup mode)}"
+        : "${PGDATABASE:?Environment variable PGDATABASE is not set (required for PostgreSQL backup mode)}"
+        : "${PGUSER:?Environment variable PGUSER is not set (required for PostgreSQL backup mode)}"
+        # Optional: default PGPORT to 5432.
+        : "${PGPORT:=5432}"
+        if [ -z "${PGPASSWORD:-}" ]; then
+            echo "Warning: Environment variable PGPASSWORD is not set. pg_dump may fail if authentication is required."
+        fi
+        ;;
+    *)
+        echo "Error: Unknown backup mode '$BACKUP_MODE'. Valid modes are 'directory' and 'postgres'." >&2
+        exit 1
+        ;;
+esac
+
+#######################################
+# Build the Gotify URL.
+#######################################
+GOTIFYURL="${GOTIFYHOST}/message?token=${GOTIFYTOKEN}"
+
+#######################################
+# Date format for logging.
+#######################################
+LOG_DATE_FORMAT="%Y-%m-%dT%T"
+
+#######################################
+# Log a message with a timestamp.
+# Arguments:
+#   Message to log.
+#######################################
+log() {
+    echo "$(date +"$LOG_DATE_FORMAT") - $*"
+}
+
+#######################################
+# Send a notification via Gotify.
+# Arguments:
+#   message: The message to send.
+#######################################
+send_notification() {
+    local message="$1"
+    if ! curl -s -X POST "$GOTIFYURL" -F "title=${GOTIFYTOPIC}" -F "message=${message}" >/dev/null; then
+        log "Warning: Failed to send notification with message: ${message}"
+    fi
+}
+
+#######################################
+# Run the backup using restic.
+# The --no-cache flag disables local caching.
+# Arguments:
+#   $1 - The source directory to back up.
+#######################################
+run_restic_backup() {
+    local source_dir="$1"
+    cd "${source_dir}"
+    log "Starting backup of '${source_dir}' to repository ${RESTIC_REPOSITORY}"
+    # Capture both stdout and stderr in a variable
+    backup_output=$(restic -r "${RESTIC_REPOSITORY}" backup --no-cache --json --verbose . 2>&1)
+    # Optionally, also print the output to the console:
+    echo "$backup_output"
+    # Parse the JSON lines output for the summary message
+    summary=$(echo "$backup_output" | jq -r 'select(.message_type=="summary") | "Snapshot " + (.snapshot_id // "none") + ": " + "files new: " + (.files_new|tostring) + ", files changed: " + (.files_changed|tostring) + ", data added: " + (.data_added|tostring) + " bytes in " + (.total_duration|tostring) + " sec"')
+    # Check exit code of restic backup (assuming restic exits non-zero on error)
+    if [ $? -eq 0 ]; then
+        msg="Backup successful. $summary"
+        log "$msg"
+        send_notification "$msg"
+    else
+        exit_code=$?
+        msg="Backup failed with error code ${exit_code}. $backup_output"
+        log "$msg"
+        send_notification "$msg"
+        exit "$exit_code"
+    fi
+}
+
+
+#######################################
+# Backup a directory (regular mode).
+#######################################
+backup_directory() {
+    run_restic_backup "${SOURCEDIR}"
+}
+
+#######################################
+# Backup a PostgreSQL database.
+# Dumps the database to a temporary directory and then backs it up.
+#######################################
+backup_postgres() {
+    log "Starting PostgreSQL backup for database '${PGDATABASE}' on host '${PGHOST}'"
+    
+    # Create a temporary directory for the database dump.
+    TEMP_BACKUP_DIR=$(mktemp -d)
+    log "Created temporary directory: ${TEMP_BACKUP_DIR}"
+
+    local dump_file="${TEMP_BACKUP_DIR}/dump.sql"
+    log "Dumping PostgreSQL database to ${dump_file}..."
+    if pg_dump -h "${PGHOST}" -p "${PGPORT}" -U "${PGUSER}" ${PG_DUMP_ARGS:-} "${PGDATABASE}" > "${dump_file}"; then
+        log "Database dump created successfully."
+    else
+        local exit_code=$?
+        local msg="PostgreSQL dump failed with error code ${exit_code}"
+        log "$msg"
+        send_notification "$msg"
+        exit "$exit_code"
+    fi
+
+    # Back up the directory containing the dump.
+    run_restic_backup "${TEMP_BACKUP_DIR}"
+}
+
+#######################################
+# Cleanup temporary resources.
+#######################################
+cleanup() {
+    if [ -n "${TEMP_BACKUP_DIR:-}" ] && [ -d "${TEMP_BACKUP_DIR}" ]; then
+        rm -rf "${TEMP_BACKUP_DIR}"
+        log "Removed temporary directory ${TEMP_BACKUP_DIR}"
+    fi
+}
+trap cleanup EXIT
+
+#######################################
+# Main routine.
+#######################################
+main() {
+    case "$BACKUP_MODE" in
+        directory)
+            backup_directory
+            ;;
+        postgres)
+            backup_postgres
+            ;;
+    esac
+}
+
+# Trap termination signals to log and exit cleanly.
+trap 'log "Script interrupted. Exiting."; exit 1' SIGINT SIGTERM
+
+main
--- a/src/backup.ts
+++ b/src/backup.ts
@@ -0,0 +1,33 @@
+import {
+  BACKUP_MODE,
+  globalLogger,
+  GOTIFY_HOST,
+  GOTIFY_TOKEN,
+  GOTIFY_TOPIC,
+} from "./env";
+import { directoryBackup } from "./directoryBackup";
+import { postgresBackup } from "./postgresBackup";
+import { gotifyClientFactory } from "./gotify";
+import { createBackupContext, reHomeContext } from "./backupContext";
+
+export default async function backup() {
+  const context = createBackupContext(
+    "backup",
+    BACKUP_MODE,
+    globalLogger,
+    gotifyClientFactory(GOTIFY_HOST, GOTIFY_TOKEN, GOTIFY_TOPIC)
+  );
+  context.logger.debug("Starting backup");
+
+  switch (BACKUP_MODE) {
+    case "directory":
+      context.logger.debug("Starting directory backup");
+      return await directoryBackup(reHomeContext(context, "directoryBackup"));
+    case "postgres":
+      context.logger.debug("Starting postgres backup");
+      return await postgresBackup(reHomeContext(context, "postgresBackup"));
+    default:
+      context.logger.error("Invalid backup mode");
+      throw new Error("Invalid backup mode");
+  }
+}
--- a/src/backupContext.ts
+++ b/src/backupContext.ts
@@ -0,0 +1,33 @@
+import type { Logger } from "pino";
+import { type NotificationClient } from "./gotify";
+
+export interface BackupContext {
+  logger: Logger;
+  notificationClient: NotificationClient;
+  resticRepository: string;
+}
+
+export function createBackupContext(
+  module: string,
+  resticRepository: string,
+  globalLogger: Logger,
+  notificationClient: NotificationClient
+): BackupContext {
+  const logger = globalLogger.child({ module });
+
+  return {
+    logger,
+    notificationClient,
+    resticRepository,
+  };
+}
+
+export function reHomeContext(
+  context: BackupContext,
+  module: string
+): BackupContext {
+  return {
+    ...context,
+    logger: context.logger.child({ module }),
+  };
+}
--- a/src/backupUtils.ts
+++ b/src/backupUtils.ts
@@ -0,0 +1,100 @@
+import type { BackupContext } from "./backupContext";
+
+export function parseResticSummary(output: string): string | null {
+  try {
+    const lines = output.split("\n").filter((line) => line.trim());
+    for (const line of lines) {
+      try {
+        const parsed = JSON.parse(line);
+        if (parsed.message_type === "summary") {
+          return `Snapshot ${parsed.snapshot_id || "none"}: files new: ${
+            parsed.files_new || 0
+          }, files changed: ${parsed.files_changed || 0}, data added: ${
+            parsed.data_added || 0
+          } bytes in ${parsed.total_duration || 0} sec`;
+        }
+      } catch {
+        continue;
+      }
+    }
+  } catch (error) {
+    console.warn(`Failed to parse restic output: ${error}`);
+  }
+  return null;
+}
+
+export function runResticBackup(
+  sourceDir: string,
+  context: BackupContext
+): { success: boolean; output: string; summary: string | null } {
+  const { logger, resticRepository } = context;
+
+  logger.info(
+    `Starting backup of '${sourceDir}' to repository ${resticRepository}`
+  );
+
+  const result = Bun.spawnSync(
+    [
+      "restic",
+      "-r",
+      resticRepository,
+      "backup",
+      "--no-cache",
+      "--json",
+      "--verbose",
+      ".",
+    ],
+    {
+      cwd: sourceDir,
+      stdio: ["pipe", "pipe", "pipe"],
+    }
+  );
+
+  const output = result.stdout?.toString() + result.stderr?.toString() || "";
+  const success = result.success;
+  const summary = parseResticSummary(output);
+
+  return { success, output, summary };
+}
+
+export async function executeBackup(
+  backupType: string,
+  backupFn: () => Promise<{
+    success: boolean;
+    output: string;
+    summary: string | null;
+  }>,
+  context: BackupContext
+): Promise<void> {
+  const { logger, notificationClient } = context;
+
+  try {
+    logger.info(`Starting ${backupType} backup process`);
+
+    const { success, output, summary } = await backupFn();
+
+    console.log(output);
+
+    if (success) {
+      const message = `${backupType} backup successful. ${
+        summary || "No summary available"
+      }`;
+      logger.info(message);
+      await notificationClient.sendNotification(message);
+    } else {
+      const message = `${backupType} backup failed: ${
+        summary || "Unknown error"
+      }`;
+      logger.error(message);
+      await notificationClient.sendNotification(message);
+      throw new Error(`${backupType} backup failed: ${message}`);
+    }
+
+    logger.info(`${backupType} backup completed successfully`);
+  } catch (error) {
+    const errorMessage = `${backupType} backup failed: ${error}`;
+    logger.error(errorMessage);
+    await notificationClient.sendNotification(errorMessage);
+    throw error;
+  }
+}
--- a/src/directoryBackup.ts
+++ b/src/directoryBackup.ts
@@ -0,0 +1,13 @@
+import { SOURCEDIR } from "./env";
+import { executeBackup, runResticBackup } from "./backupUtils";
+import type { BackupContext } from "./backupContext";
+
+export async function directoryBackup(context: BackupContext): Promise<void> {
+  await executeBackup(
+    "Directory",
+    async () => {
+      return runResticBackup(SOURCEDIR, context);
+    },
+    context
+  );
+}
--- a/src/entry.sh
+++ b/src/entry.sh
@@ -1,18 +0,0 @@
-#!/bin/sh
-
-mkdir /etc/cron.d
-touch /etc/cron.d/backup
-echo "$INTERVAL /bin/sh /app/backup.sh" > /etc/cron.d/backup
-
-# change ownership and make the cron known to crontab
-chmod 0644 /etc/cron.d/backup && crontab /etc/cron.d/backup
-
-
-if [ $RUNONSTART = 'true' ]; then
-    echo $(date +"%Y-%m-%dT%T") "- Running initial backup"
-    /bin/sh /app/backup.sh
-fi
-
-# Wait until infinity
-echo $(date +"%Y-%m-%dT%T") "- Starting cron"
-crond -f
--- a/src/env.ts
+++ b/src/env.ts
@@ -0,0 +1,61 @@
+import { from } from "env-var";
+import pino from "pino";
+
+const initialEnv = from(process.env, {});
+const LOG_LEVEL = initialEnv
+  .get("LOG_LEVEL")
+  .default("info")
+  .asEnum(["fatal", "error", "warn", "info", "debug", "trace"]);
+
+export const globalLogger = pino({
+  level: LOG_LEVEL,
+  transport: {
+    target: "pino-pretty",
+    options: {
+      colorize: true,
+      translateTime: "SYS:standard",
+      ignore: "pid,hostname",
+    },
+  },
+});
+
+const env = from(process.env, {}, (msg: string) => globalLogger.info(msg));
+
+export const BACKUP_MODE = env
+  .get("BACKUP_MODE")
+  .required()
+  .asEnum(["directory", "postgres"]);
+
+export const GOTIFY_HOST = env.get("GOTIFY_HOST").required().asUrlString();
+export const GOTIFY_TOKEN = env.get("GOTIFY_TOKEN").required().asString();
+export const GOTIFY_TOPIC = env.get("GOTIFY_TOPIC").required().asString();
+
+export const RESTIC_PASSWORD = env.get("RESTIC_PASSWORD").required().asString();
+export const RESTIC_REPOSITORY = env
+  .get("RESTIC_REPOSITORY")
+  .required()
+  .asString();
+export const RESTIC_REST_USERNAME = env.get("RESTIC_REST_USERNAME").asString();
+export const RESTIC_REST_PASSWORD = env.get("RESTIC_REST_PASSWORD").asString();
+
+export const SOURCEDIR = env
+  .get("SOURCEDIR")
+  .required(BACKUP_MODE === "directory")
+  .asString();
+
+export const PGDATABASE = env
+  .get("PGDATABASE")
+  .required(BACKUP_MODE === "postgres")
+  .asString();
+export const PGHOST = env
+  .get("PGHOST")
+  .required(BACKUP_MODE === "postgres")
+  .asString();
+export const PGUSER = env
+  .get("PGUSER")
+  .required(BACKUP_MODE === "postgres")
+  .asString();
+export const PGPORT = env
+  .get("PGPORT")
+  .required(BACKUP_MODE === "postgres")
+  .asString();
--- a/src/gotify.ts
+++ b/src/gotify.ts
@@ -0,0 +1,23 @@
+export interface NotificationClient {
+  sendNotification(message: string): Promise<void>;
+}
+
+export function gotifyClientFactory(
+  gotifyHost: string,
+  gotifyToken: string,
+  gotifyTopic: string
+): NotificationClient {
+  const sendNotification = async (message: string) => {
+    await fetch(`${gotifyHost}/message?token=${gotifyToken}`, {
+      method: "POST",
+      body: JSON.stringify({
+        title: gotifyTopic,
+        message: message,
+      }),
+    });
+  };
+
+  return {
+    sendNotification,
+  };
+}
--- a/src/main.ts
+++ b/src/main.ts
@@ -0,0 +1,15 @@
+import { globalLogger } from "./env";
+import backup from "./backup";
+
+const logger = globalLogger.child({ module: "main" });
+
+(async () => {
+  try {
+    logger.info("Starting backup application");
+    await backup();
+    logger.info("Backup application completed successfully");
+  } catch (error) {
+    logger.error(`Backup application failed: ${error}`);
+    process.exit(1);
+  }
+})();
--- a/src/postgresBackup.ts
+++ b/src/postgresBackup.ts
@@ -0,0 +1,78 @@
+import { writeFileSync, mkdtempSync, rmSync } from "fs";
+import { join } from "path";
+import { tmpdir } from "os";
+import { PGHOST, PGDATABASE, PGUSER, PGPORT } from "./env";
+import { executeBackup, runResticBackup } from "./backupUtils";
+import type { BackupContext } from "./backupContext";
+
+function dumpPostgresDatabase(context: BackupContext): {
+  success: boolean;
+  tempDir: string;
+  dumpFile: string;
+} {
+  const { logger } = context;
+
+  const tempDir = mkdtempSync(join(tmpdir(), "postgres-backup-"));
+  const dumpFile = join(tempDir, "dump.sql");
+
+  logger.info(`Created temporary directory: ${tempDir}`);
+  logger.info(`Dumping PostgreSQL database to ${dumpFile}...`);
+
+  const result = Bun.spawnSync(
+    ["pg_dump", "-h", PGHOST, "-p", PGPORT, "-U", PGUSER, PGDATABASE],
+    {
+      stdio: ["pipe", "pipe", "pipe"],
+    }
+  );
+
+  if (result.success) {
+    writeFileSync(dumpFile, result.stdout?.toString() || "");
+    logger.info("Database dump created successfully.");
+    return { success: true, tempDir, dumpFile };
+  } else {
+    logger.error(`PostgreSQL dump failed`);
+    logger.error(`stderr: ${result.stderr?.toString() || ""}`);
+    return { success: false, tempDir, dumpFile };
+  }
+}
+
+export async function postgresBackup(context: BackupContext): Promise<void> {
+  let tempDir: string | null = null;
+
+  try {
+    context.logger.info(
+      `Starting PostgreSQL backup for database '${PGDATABASE}' on host '${PGHOST}'`
+    );
+
+    const { success, tempDir: dir, dumpFile } = dumpPostgresDatabase(context);
+    tempDir = dir;
+
+    if (!success) {
+      throw new Error("PostgreSQL dump failed");
+    }
+
+    await executeBackup(
+      "PostgreSQL",
+      async () => {
+        if (!tempDir) {
+          throw new Error("Temporary directory not created");
+        }
+        return runResticBackup(tempDir, context);
+      },
+      context
+    );
+  } catch (error) {
+    throw error;
+  } finally {
+    if (tempDir) {
+      try {
+        rmSync(tempDir, { recursive: true, force: true });
+        context.logger.info(`Removed temporary directory ${tempDir}`);
+      } catch (cleanupError) {
+        context.logger.warn(
+          `Failed to cleanup temporary directory ${tempDir}: ${cleanupError}`
+        );
+      }
+    }
+  }
+}
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -0,0 +1,29 @@
+{
+  "compilerOptions": {
+    // Environment setup & latest features
+    "lib": ["ESNext"],
+    "target": "ESNext",
+    "module": "Preserve",
+    "moduleDetection": "force",
+    "jsx": "react-jsx",
+    "allowJs": true,
+
+    // Bundler mode
+    "moduleResolution": "bundler",
+    "allowImportingTsExtensions": true,
+    "verbatimModuleSyntax": true,
+    "noEmit": true,
+
+    // Best practices
+    "strict": true,
+    "skipLibCheck": true,
+    "noFallthroughCasesInSwitch": true,
+    "noUncheckedIndexedAccess": true,
+    "noImplicitOverride": true,
+
+    // Some stricter flags (disabled by default)
+    "noUnusedLocals": false,
+    "noUnusedParameters": false,
+    "noPropertyAccessFromIndexSignature": false
+  }
+}
Author	SHA1	Message	Date
Timo Behrendt	e5cd26ef16	sync All checks were successful CI / Build Docker image (pull_request) Successful in 19s Details	2025-09-01 19:53:31 +02:00
t.behrendt	4cfb634397	ci: feat add semver conven versioning (#11 ) All checks were successful CD / Check changes (push) Successful in 10s Details CD / Create tag (push) Successful in 15s Details CD / Build and push (amd64) (push) Successful in 23s Details CD / Build and push (arm64) (push) Successful in 5m18s Details CD / Create manifest (push) Successful in 8s Details Reviewed-on: #11 Co-authored-by: t.behrendt <t.behrendt@t00n.de> Co-committed-by: t.behrendt <t.behrendt@t00n.de>	2025-09-01 13:13:54 +02:00
Renovate Bot	cb466747cd	chore(deps): update alpine docker tag to v3.22 (#9 ) All checks were successful Build and Release Docker Image / Build and Push amd64 (push) Successful in 27s Details Build and Release Docker Image / Build and Push arm64 (push) Successful in 1m24s Details Build and Release Docker Image / Create and Push Multi-Arch Manifest (push) Successful in 14s Details This PR contains the following updates: \| Package \| Type \| Update \| Change \| \|---\|---\|---\|---\| \| alpine \| final \| minor \| `3.21` -> `3.22` \| --- ### Configuration 📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined). 🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied. ♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox. 🔕 Ignore: Close this PR and you won't be reminded about this update again. --- - [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check this box --- This PR has been generated by [Renovate Bot](https://github.com/renovatebot/renovate). <!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiIzOS4yNjMuMSIsInVwZGF0ZWRJblZlciI6IjM5LjI2My4xIiwidGFyZ2V0QnJhbmNoIjoibWFpbiIsImxhYmVscyI6W119--> Reviewed-on: #9 Reviewed-by: t.behrendt <t.behrendt@noreply.localhost> Co-authored-by: Renovate Bot <renovate@t00n.de> Co-committed-by: Renovate Bot <renovate@t00n.de>	2025-07-30 10:02:46 +02:00
Renovate Bot	3f544409f1	chore: Configure Renovate (#8 ) Some checks failed Build and Release Docker Image / Build and Push amd64 (push) Successful in 13s Details Build and Release Docker Image / Create and Push Multi-Arch Manifest (push) Has been cancelled Details Build and Release Docker Image / Build and Push arm64 (push) Has been cancelled Details Welcome to [Renovate](https://github.com/renovatebot/renovate)! This is an onboarding PR to help you understand and configure settings before regular Pull Requests begin. 🚦 To activate Renovate, merge this Pull Request. To disable Renovate, simply close this Pull Request unmerged. --- ### Detected Package Files * `Dockerfile` (dockerfile) * `.gitea/workflows/cd.yaml` (github-actions) ### What to Expect It looks like your repository dependencies are already up-to-date and no Pull Requests will be necessary right away. --- ❓ Got questions? Check out Renovate's [Docs](https://docs.renovatebot.com/), particularly the Getting Started section. If you need any further assistance then you can also [request help here](https://github.com/renovatebot/renovate/discussions). --- This PR has been generated by [Renovate Bot](https://github.com/renovatebot/renovate). <!--renovate-config-hash:94693a990c975907e7f13da3309b9d56ba02b3983519b41786edf5cf031e457c--> Reviewed-on: #8 Co-authored-by: Renovate Bot <renovate@t00n.de> Co-committed-by: Renovate Bot <renovate@t00n.de>	2025-04-18 13:58:29 +02:00
Timo Behrendt	6ff6e8759e	refactor: v2 (#5 ) Some checks failed Build and Release Docker Image / Create and Push Multi-Arch Manifest (push) Has been cancelled Details Build and Release Docker Image / Build and Push arm64 (push) Has been cancelled Details Build and Release Docker Image / Build and Push amd64 (push) Has been cancelled Details Reviewed-on: #5 Co-authored-by: Timo Behrendt <t.behrendt@t00n.de> Co-committed-by: Timo Behrendt <t.behrendt@t00n.de>	2025-02-07 20:56:02 +01:00