From ec75310e4ceee58899196edc4e087c9fb05fe24d Mon Sep 17 00:00:00 2001
From: JargeZ <levpony@gmail.com>
Date: Mon, 9 Sep 2024 23:13:19 +1000
Subject: [PATCH] Action

---
 README.md     | 24 ++++++++++++++++++++++++
 action.yml    | 36 ++++++++++++++++++++++++++++++++++++
 entrypoint.sh | 14 +++++++++-----
 3 files changed, 69 insertions(+), 5 deletions(-)
 create mode 100644 action.yml

diff --git a/README.md b/README.md
index 1735c35..4cc4edc 100644
--- a/README.md
+++ b/README.md
@@ -14,6 +14,7 @@ Docker image to backup Postgres database(s) to S3 using pg_dump and compress usi
 - [x] PGP encryption
 - [x] Available `COMPRESS=` methods: pigz, xz, bzip2, lrzip, brotli, zstd
 - [x] Ping database before backup
+- [x] Github Actions CI/CD
 - [ ] TODO: Add other dbs (e.g. postgres, mysql)
 - [ ] TODO: Separate definition of HOST, PORT, USERNAME, PASSWORD environment variables as an alternative to PG_URI
 
@@ -31,6 +32,29 @@ COMPRESS_LEVEL=7 # Compression level of desired compression program
 
 Or see `docker-compose.yml` file to run this container with Docker.
 
+## Github Actions
+```yaml
+name: Backup database
+on:
+  schedule:
+    - cron: '0 15 * * *'
+  workflow_dispatch: {}
+
+jobs:
+  backup-prod:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Create backup
+        uses: BackupTools/postgres-backup-s3@action
+        with:
+          s3_buck: 'backups' # s3 bucket name
+          s3_name: 'service-name/db-name' # optionally nested path to store backups
+          s3_uri: '${{ secrets.BACKUP_S3_URI }}' # https://s3-key:s3-secret@s3.host.tld
+          pg_uri: '${{ secrets.BACKUP_READONLY_URI }}' # postgres://readonly:super-secret@db:5432/postgres
+          compress: pigz # Available: pigz, xz, bzip2, lrzip, brotli, zstd
+
+```
+
 ## Cron backup with kubernetes
 
 See `kubernetes-cronjob.yml` file.
diff --git a/action.yml b/action.yml
new file mode 100644
index 0000000..ba22362
--- /dev/null
+++ b/action.yml
@@ -0,0 +1,36 @@
+name: "Backup postgres to S3"
+description: "Backup postgres to S3 bucket with encryption and compression"
+author: JargeZ
+branding:
+  icon: "save"
+  color: "orange"
+runs:
+  using: "docker"
+  image: "Dockerfile"
+inputs:
+  gpg_keyserver:
+    description: "your hpks keyserver"
+    default: "keyserver.ubuntu.com"
+  gpg_keyid:
+    description: "recipient key, backup will be encrypted if added"
+  compress:
+    description: "Available: pigz, xz, bzip2, lrzip, brotli, zstd"
+    default: "pigz"
+  compress_level:
+    description: "Compression level of desired compression program"
+    default: "9"
+  maintenance_db:
+    description:
+    default: "postgres"
+  s3_uri:
+    description: "URI of S3 bucket. eg: https://s3-key:s3-secret@s3.host.tld"
+    required: true
+  s3_buck:
+    description: "S3 bucket name. eg: postgres1-backups"
+    required: true
+  s3_name:
+    description: "S3 path to store backups. eg: backups/db1"
+    required: true
+  pg_uri:
+    description: "Postgres URI. eg: postgres://readonly:super-secret@db:5432/postgres"
+    required: true
\ No newline at end of file
diff --git a/entrypoint.sh b/entrypoint.sh
index ffbdb52..16d816b 100755
--- a/entrypoint.sh
+++ b/entrypoint.sh
@@ -8,11 +8,15 @@ get_date () {
 }
 
 # Script
-: ${GPG_KEYSERVER:='keyserver.ubuntu.com'}
-: ${GPG_KEYID:=''}
-: ${COMPRESS:='pigz'}
-: ${COMPRESS_LEVEL:='9'}
-: ${MAINTENANCE_DB:='postgres'}
+: ${GPG_KEYSERVER:=${INPUT_GPG_KEYSERVER:='keyserver.ubuntu.com'}}
+: ${GPG_KEYID:=${INPUT_GPG_KEYID:=''}}
+: ${COMPRESS:=${INPUT_COMPRESS:='pigz'}}
+: ${COMPRESS_LEVEL:=${INPUT_COMPRESS_LEVEL:='9'}}
+: ${MAINTENANCE_DB:=${INPUT_MAINTENANCE_DB:='postgres'}}
+: ${S3_URI:=${INPUT_S3_URI:=''}}
+: ${S3_BUCK:=${INPUT_S3_BUCK:=''}}
+: ${S3_NAME:=${INPUT_S3_NAME:=''}}
+: ${PG_URI:=${INPUT_PG_URI:=''}}
 START_DATE=`date +%Y-%m-%d_%H-%M-%S`
 
 if [ -z "$GPG_KEYID" ]