From e10abc5b8dc53608a5a73ca31af2b68b7037df71 Mon Sep 17 00:00:00 2001
From: vincent <vincent@ducamps.win>
Date: Sun, 23 Oct 2022 18:29:33 +0200
Subject: [PATCH] first commit

---
 .drone.yml | 58 ++++++++++++++++++++++++++++++++++++++++++++
 Dockerfile | 13 ++++++++++
 makefile   |  7 ++++++
 pg_dump.sh | 71 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 4 files changed, 149 insertions(+)
 create mode 100644 .drone.yml
 create mode 100644 Dockerfile
 create mode 100644 makefile
 create mode 100755 pg_dump.sh

diff --git a/.drone.yml b/.drone.yml
new file mode 100644
index 0000000..0cdf200
--- /dev/null
+++ b/.drone.yml
@@ -0,0 +1,58 @@
+---
+kind: pipeline
+name: build_amd64
+platform:
+  os: linux
+  arch: amd64
+
+steps:
+  - name: docker
+    image: plugins/docker
+    settings:
+      repo: ducampsv/docker-backup-postgres
+      auto_tag: "true"
+      auto_tag_suffix: amd64
+      username:
+        from_secret: docker_username
+      password:
+        from_secret: docker_password
+---
+kind: pipeline
+name: build_arm
+platform:
+  os: linux
+  arch: arm
+
+steps:
+  - name: docker
+    image: plugins/docker
+    settings:
+      repo: ducampsv/docker-backyp-postgres
+      auto_tag: "true"
+      auto_tag_suffix: arm
+      username:
+        from_secret: docker_username
+      password:
+        from_secret: docker_password
+---
+kind: pipeline
+type: docker
+name: manifest
+
+steps:
+  - name: manifest
+    image: plugins/manifest
+    settings:
+      auto_tag: "true"
+      target: ducampsv/docker-backup-postgres:latest
+      template: ducampsv/pacoloco:ARCH
+      username:
+        from_secret: docker_username
+      password:
+        from_secret: docker_password
+      platforms:
+        - linux/amd64
+        - linux/arm
+depends_on:
+  - build_amd64
+
diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..4ba6017
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,13 @@
+FROM alpine:latest
+COPY pg_dump.sh /
+ENV \
+  PGDATABASE="" \
+  PGHOST="" \
+  PGPORT="" \
+  PGUSER="" \
+  PGPASSWORD=""
+
+
+RUN apk --no-cache add postgresql-client bash
+VOLUME ["/backup"]
+CMD ["/pg_dump.sh"]
diff --git a/makefile b/makefile
new file mode 100644
index 0000000..25b774c
--- /dev/null
+++ b/makefile
@@ -0,0 +1,7 @@
+
+DOCKER_ORGANIZATION := ducampsv
+DOCKER_IMAGE:= docker-backup-postgres
+
+
+build:
+	docker buildx build . -t $(DOCKER_ORGANIZATION)/$(DOCKER_IMAGE)
diff --git a/pg_dump.sh b/pg_dump.sh
new file mode 100755
index 0000000..269ac29
--- /dev/null
+++ b/pg_dump.sh
@@ -0,0 +1,71 @@
+#!/bin/bash 
+# Inspiré d'un script trouvé sur phpnews.fr (plus en ligne)
+# Version 0.4 16/09/2020 
+# Script sous licence BEERWARE 
+set -eu
+## Paramètres
+# Répertoire de stockage des sauvegardes
+DATADIR="/backup"
+# Répertoire de travail (création/compression)
+DATATMP=$DATADIR
+# Nom du dump
+DATANAME="dump_$(date +%d.%m.%y@%Hh%M)"
+# Compression
+COMPRESSIONCMD="tar -czf" 
+COMPRESSIONEXT=".tar.gz"
+# Rétention / rotation des sauvegardes
+RETENTION=30
+# Exclure des bases
+EXCLUSIONS='(postgres|template1|template0)'
+# Email pour les erreurs (0 pour désactiver
+EMAIL=0
+# Log d'erreur
+#exec 2> ${DATATMP}/error.log
+ 
+## Début du script
+ 
+ionice -c3 -p$$ &>/dev/null
+renice -n 19 -p $$ &>/dev/null
+ 
+#function cleanup {
+#    if [ "`stat -c %s ${DATATMP}/error.log`" != "0" ] && [ "$EMAIL" != "0" ] ; then
+#        cat ${DATATMP}/error.log | mail -s "Backup Postgres $DATANAME - Log error" ${EMAIL}
+#    fi
+#}
+#trap cleanup EXIT
+ 
+# On crée sur le disque un répertoire temporaire
+mkdir -p ${DATATMP}/last
+ 
+# On place dans un tableau le nom de toutes les bases de données du serveur 
+databases="$(psql -d postgres -c 'select datname from pg_catalog.pg_database;' -t|grep -v -E $EXCLUSIONS)"
+ 
+# Pour chacune des bases de données trouvées ... 
+for database in ${databases[@]} 
+do
+    echo "dump : $database"
+    pg_dump $database  > ${DATATMP}/last/${database}.sql
+done 
+ 
+# On tar tous
+cd ${DATATMP}
+${COMPRESSIONCMD} ${DATANAME}${COMPRESSIONEXT} last/
+chmod 600 ${DATANAME}${COMPRESSIONEXT}
+ 
+# On le déplace dans le répertoire
+if [ "$DATATMP" != "$DATADIR" ] ; then
+    mv ${DATANAME}${COMPRESSIONEXT} ${DATADIR}
+fi
+ 
+# Lien symbolique sur la dernier version
+#cd ${DATADIR}
+#set +eu
+#unlink last${COMPRESSIONEXT}
+#set -eu
+#ln ${DATANAME}${COMPRESSIONEXT} last${COMPRESSIONEXT}
+ 
+# On supprime le répertoire temporaire 
+#rm -rf ${DATATMP}/${DATANAME}
+ 
+echo "Suppression des vieux backup : "
+find ${DATADIR} -name "*${COMPRESSIONEXT}" -mtime +${RETENTION} -print -exec rm {} \;