SSL/plain configurable, backup script for repositories

Author: erik-wramner

Dockerfile

@@ -181,9 +181,9 @@ RUN set -eux; \
     ln -s /etc/ssl/private/ssl-cert-snakeoil.key /usr/local/apache2/conf/server.key; \
     ln -s /etc/ssl/certs/ssl-cert-snakeoil.pem /usr/local/apache2/conf/server.crt
 
-COPY httpd-foreground /usr/local/bin/
+COPY scripts/*.sh /usr/local/bin/
 COPY httpd-conf/httpd.conf $HTTPD_PREFIX/conf/
 COPY svn-conf/* /svn/config/
 
 EXPOSE 80 443
-CMD ["httpd-foreground"]
+CMD ["httpd-foreground.sh"]

scripts/backup-svn-repos.sh

@@ -0,0 +1,34 @@
+#!/bin/bash
+#
+# Backup Subversion repositories. The script performs full dumps, no hot backups or
+# incremental backups. It keeps the most recent backups for each repository and only
+# performs a dump if there has been a new checkin since the last time.
+#
+# Usage: backup-svn-repos.sh svn-base-dir backup-dir backups-to-keep
+#
+set -e
+
+REPO_BASE_DIR=${1:-/svn/repos}
+BACKUP_DIR=${2:-/svn/backup}
+BACKUPS_TO_KEEP=${3:-4}
+CURRENT_DATE=`date +"%Y%m%d"`
+
+for repo in ${REPO_BASE_DIR}/*; do
+  repo_name=`basename $repo`
+  repo_revision=`svnlook youngest $repo`
+
+  if stat -t ${BACKUP_DIR}/${repo_name}/${repo_name}-*-${repo_revision}.txt.bz2 >/dev/null 2>&1; then
+    echo Skipping backup of ${repo_name}, revision ${repo_revision} already backed up
+  else
+    echo Backing up ${repo_name} with revision ${repo_revision}...
+    mkdir -p ${BACKUP_DIR}/${repo_name}
+    base_name=${BACKUP_DIR}/${repo_name}/${repo_name}-${CURRENT_DATE}-${repo_revision}
+    svnadmin dump --deltas --quiet "$repo" | \
+      bzip2 > ${base_name}.tmp
+    mv ${base_name}.tmp ${base_name}.txt.bz2
+  fi
+
+  find ${BACKUP_DIR}/${repo_name} -name ${repo_name}-\*.txt.bz2 \
+    | sort | head -n -${BACKUPS_TO_KEEP} \
+    | xargs --no-run-if-empty rm -f
+done