first save up

Dockerfile

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+FROM lsiobase/alpine
+MAINTAINER sparklyballs
+
+# package version
+ARG RDIFF_VER="1.2.8"
+
+# environment settings
+ENV S6_BEHAVIOUR_IF_STAGE2_FAILS="2"
+
+# copy patches
+COPY patches/ /tmp/patches/
+
+# install build packages
+RUN \
+ apk add --no-cache --virtual=build-dependencies \
+	curl \
+	g++ \
+	gcc \
+	librsync-dev \
+	python-dev \
+	tar && \
+
+# install runtime packages
+ apk add --no-cache \
+	openssh && \
+
+# build rdiff-backup
+ mkdir -p \
+	/tmp/rdiff-src && \
+ curl -o \
+ /tmp/rdiff.tar.gz -L \
+	"http://savannah.nongnu.org/download/rdiff-backup/rdiff-backup-${RDIFF_VER}.tar.gz" && \
+ tar xf /tmp/rdiff.tar.gz -C \
+	/tmp/rdiff-src --strip-components=1 && \
+ cd /tmp/rdiff-src && \
+ patch -p1 -i /tmp/patches/rdiff-backup-1.2.8-librsync-1.0.0.patch && \
+ python \
+	setup.py build && \
+ python \
+	setup.py install --prefix=/usr --root=/ && \
+
+# cleanup
+ apk del --purge \
+	build-dependencies && \
+ rm -rf \
+	/tmp/*
+
+# copy local files
+COPY root/ /
+
+# ports and volumes
+VOLUME /backup /config

patches/rdiff-backup-1.2.8-librsync-1.0.0.patch

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+Patch by Roman Tereshonkov and Kari Hautio for rdiff-backup <= 1.2.8 to avoid a build failure with
+librsync >= 1.0.0 (which is a security bugfix release). The discussion and solution finding can be
+found at https://bugs.launchpad.net/duplicity/+bug/1416344 (for duplicity).
+
+--- a/_librsyncmodule.c			2009-03-16 15:36:21.000000000 +0100
++++ b/_librsyncmodule.c			2015-03-02 00:54:24.000000000 +0100
+@@ -59,8 +59,13 @@
+   if (sm == NULL) return NULL;
+   sm->x_attr = NULL;
+ 
++#ifdef RS_DEFAULT_STRONG_LEN
+   sm->sig_job = rs_sig_begin((size_t)blocklen,
+ 							 (size_t)RS_DEFAULT_STRONG_LEN);
++#else
++  sm->sig_job = rs_sig_begin((size_t)blocklen,
++							 (size_t)8, RS_MD4_SIG_MAGIC);
++#endif
+   return (PyObject*)sm;
+ }
+ 
+

root/etc/cont-init.d/30-config

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+#!/usr/bin/with-contenv bash
+
+# make folders
+mkdir -p \
+	/config/ssh \
+	/config/cron \
+	/root/.ssh
+
+# check for required config files, exit if not found
+[[ ! -e /config/ssh/id_rsa.pub ]] || \
+[[ ! -e /config/ssh/id_rsa ]] || \
+[[ ! -e /config/ssh/config ]] || \
+[[ ! -e /config/ssh/known_hosts ]] || \
+[[ ! -e /config/cron/jobs ]] && \
+( echo "required config not found" && exit 1)
+
+# copy config
+cp -pr /config/ssh/* /root/.ssh/
+
+# set cron
+crontab /config/cron/jobs
+
+# permissions
+chown -R abc:abc \
+	/config
+chown -R root:root \
+	/root/.ssh
+chmod -R 600 \
+	/root/.ssh/*

root/etc/services.d/cron/run

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+#!/usr/bin/with-contenv bash
+
+/usr/sbin/crond -f -S -l 0 -c /etc/crontabs
+