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https://github.com/ViViDboarder/docker-restic-cron.git
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Add support for pre/post scripts
Allows adding scripts to a directory to be executed before backups and after restorating. This can allow backing up a mysql dump or something. Using these could (and probably does) break verify checks Fixes #8
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@ -43,6 +43,12 @@ ENV CRON_SCHEDULE=""
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ENV FULL_CRON_SCHEDULE=""
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ENV VERIFY_CRON_SCHEDULE=""
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# Create script dirs
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RUN mkdir -p /scripts/backup/before
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RUN mkdir -p /scripts/backup/after
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RUN mkdir -p /scripts/restore/before
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RUN mkdir -p /scripts/restore/after
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ADD backup.sh /
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ADD restore.sh /
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ADD start.sh /
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@ -43,6 +43,12 @@ ENV CRON_SCHEDULE=""
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ENV FULL_CRON_SCHEDULE=""
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ENV VERIFY_CRON_SCHEDULE=""
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# Create script dirs
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RUN mkdir -p /scripts/backup/before
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RUN mkdir -p /scripts/backup/after
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RUN mkdir -p /scripts/restore/before
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RUN mkdir -p /scripts/restore/after
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ADD backup.sh /
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ADD restore.sh /
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ADD start.sh /
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2
Makefile
2
Makefile
@ -20,10 +20,12 @@ build-all: build-x86 build-arm
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.PHONY: test-x86
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test-x86: build-x86
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cd tests && ./test.sh $(DOCKER_TAG):ubuntu
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cd tests && ./test-pre-scripts.sh $(DOCKER_TAG):ubuntu
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.PHONY: test-arm
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test-arm: build-arm
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cd tests && ./test.sh $(DOCKER_TAG):raspbian
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cd tests && ./test-pre-scripts.sh $(DOCKER_TAG):raspbian
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.PHONY: test-all
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test-all: test-x86 test-arm
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15
backup.sh
15
backup.sh
@ -7,6 +7,13 @@ set -e
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exit 1
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fi
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# Run pre-backup scripts
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for f in /scripts/backup/before/*; do
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if [ -f $f -a -x $f ]; then
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bash $f
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fi
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done
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duplicity \
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$1 \
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--asynchronous-upload \
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@ -22,4 +29,12 @@ set -e
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--name $BACKUP_NAME \
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$BACKUP_DEST
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fi
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# Run post-backup scripts
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for f in /scripts/backup/after/*; do
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if [ -f $f -a -x $f ]; then
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bash $f
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fi
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done
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) 200>/var/lock/duplicity/.duplicity.lock
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15
restore.sh
15
restore.sh
@ -7,6 +7,13 @@ set -e
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exit 1
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fi
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# Run pre-restore scripts
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for f in /scripts/restore/before/*; do
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if [ -f $f -a -x $f ]; then
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bash $f
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fi
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done
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duplicity restore \
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--force \
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--log-file /root/duplicity.log \
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@ -15,4 +22,12 @@ set -e
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$@ \
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$BACKUP_DEST \
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$PATH_TO_BACKUP
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# Run post-restore scripts
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for f in /scripts/restore/after/*; do
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if [ -f $f -a -x $f ]; then
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bash $f
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fi
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done
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) 200>/var/lock/duplicity/.duplicity.lock
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71
tests/test-pre-scripts.sh
Executable file
71
tests/test-pre-scripts.sh
Executable file
@ -0,0 +1,71 @@
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#! /bin/bash
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set -e
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image=$1
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if [ "$IN_CONTAINER" != "true" ] ; then
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# Run the test script within the container
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docker run --rm \
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-e IN_CONTAINER=true \
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-e SKIP_ON_START=true \
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-v "$(pwd)/test-pre-scripts.sh:/test.sh" \
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-v "$(pwd)/test-pre-scripts:/scripts" \
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$image \
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bash -c "/test.sh"
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else
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echo "Performing backup tests"
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echo "Verify cron and crontab exist"
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type cron
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type crontab
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echo "Install sqlite3"
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apt-get update
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apt-get install -y --no-install-recommends sqlite3
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echo "Create test data..."
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mkdir -p /data
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touch /data/test_database.db
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sqlite3 /data/test_database.db < /scripts/create-test-data.sql
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echo "Making backup..."
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/backup.sh
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echo "Verify intermediary file is gone"
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test -f /data/test_database.db.bak && exit 1 || echo "Gone"
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echo "Delete test data..."
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rm -fr /data/*
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echo "Verify deleted..."
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test -f /data/test_database.db && exit 1 || echo "Gone"
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echo "Restore backup..."
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/restore.sh
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echo "Verify restored files exist..."
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test -f /data/test_database.db
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test -f /data/test_database.db.bak && exit 1 || echo "Gone"
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sqlite3 /data/test_database.db "select data from test_table where id = 1"
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echo "Delete test data again..."
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rm -fr /data/*
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echo "Verify deleted..."
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test -f /data/test_database.db && exit 1 || echo "Gone"
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echo "Simulate a restart with RESTORE_ON_EMPTY_START..."
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RESTORE_ON_EMPTY_START=true /start.sh
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echo "Verify restore happened..."
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test -f /data/test_database.db
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test -f /data/test_database.db.bak && exit 1 || echo "Gone"
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sqlite3 /data/test_database.db "select data from test_table where id = 1"
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echo "Delete test data..."
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rm -fr /data/*
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echo "Verify restore with incorrect passphrase fails..."
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echo "Fail to restore backup..."
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PASSPHRASE=Incorrect.Mule.Solar.Paperclip /restore.sh && exit 1 || echo "OK"
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fi
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6
tests/test-pre-scripts/backup/after/post-backup.sh
Executable file
6
tests/test-pre-scripts/backup/after/post-backup.sh
Executable file
@ -0,0 +1,6 @@
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set -e
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cd /data
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# Remove backed up copy
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rm test_database.db.bak
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6
tests/test-pre-scripts/backup/before/pre-backup.sh
Executable file
6
tests/test-pre-scripts/backup/before/pre-backup.sh
Executable file
@ -0,0 +1,6 @@
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set -e
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cd /data
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# Dump the SQLite database
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sqlite3 test_database.db ".backup test_database.db.bak"
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7
tests/test-pre-scripts/create-test-data.sql
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7
tests/test-pre-scripts/create-test-data.sql
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@ -0,0 +1,7 @@
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CREATE TABLE test_table (
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id integer PRIMARY KEY,
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data text NOT NULL
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);
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INSERT INTO test_table (data)
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VALUES ("Test row");
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6
tests/test-pre-scripts/restore/after/post-restore.sh
Executable file
6
tests/test-pre-scripts/restore/after/post-restore.sh
Executable file
@ -0,0 +1,6 @@
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set -e
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cd /data
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# Restore the backedup database
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mv test_database.db.bak test_database.db
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3
tests/test-pre-scripts/restore/before/pre-restore.sh
Executable file
3
tests/test-pre-scripts/restore/before/pre-restore.sh
Executable file
@ -0,0 +1,3 @@
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set -e
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# Don't really need to do anything here
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