helper files to generate Dockerfiles

Makefile

@@ -0,0 +1,9 @@
+DISTS:=stretch jessie wheezy precise trusty xenial
+VERSION:=5.0.3
+
+all: clean
+	for i in $(DISTS) ; do \
+		./create_dockerfile.sh $$i $(VERSION); \
+	done
+clean:
+	rm -rf $(DISTS)

create_dockerfile.sh

@@ -0,0 +1,94 @@
+#!/bin/bash
+kam_packages() {
+  # we have a dependency problem on db5.1-util so do not install berkeley modules for now
+  wget -O- "http://deb.kamailio.org/kamailio${kam_version}/dists/${dist}/main/binary-amd64/Packages" | \
+    awk -vver="${version}+${dist}" '/Package:/ { print $2"="ver}' | grep -v berkeley | xargs
+}
+
+create_dockerfile() {
+  cat >"${DOCKERFILE}" <<EOF
+FROM ${base}:${dist}
+
+MAINTAINER Victor Seva <[email protected]>
+
+# Important! Update this no-op ENV variable when this Dockerfile
+# is updated with the current date. It will force refresh of all
+# of the base images and things like 'apt-get update' won't be using
+# old cached versions when the Dockerfile is built.
+ENV REFRESHED_AT ${DATE}
+
+RUN rm -rf /var/lib/apt/lists/* && apt-get update && \
+  apt-get install --assume-yes gpg wget
+EOF
+
+if [ -n "${archived}" ] ; then
+cat >>"${DOCKERFILE}" <<EOF
+RUN echo "deb http://archive.debian.org/debian ${dist} main" > \
+  /etc/apt/sources.list; \
+  echo "deb http://archive.debian.org/debian ${dist}-lts main" >> \
+    /etc/apt/sources.list ; \
+  echo "Acquire::Check-Valid-Until false;" >> /etc/apt/apt.conf
+
+EOF
+elif [ "${base}" = "debian" ] ; then
+cat >>"${DOCKERFILE}" <<EOF
+# avoid httpredir errors
+RUN sed -i 's/httpredir/deb/g' /etc/apt/sources.list
+
+EOF
+fi
+cat >>"${DOCKERFILE}" <<EOF
+# kamailio repo
+RUN echo "deb http://deb.kamailio.org/kamailio${kam_version} ${dist} main" > \
+  /etc/apt/sources.list.d/kamailio.list
+RUN wget -O- http://deb.kamailio.org/kamailiodebkey.gpg | apt-key add -
+
+EOF
+
+cat >>"${DOCKERFILE}" <<EOF
+RUN apt-get update && apt-get install --assume-yes ${PKGS}
+
+VOLUME /etc/kamailio
+
+# clean
+RUN apt-get clean && rm -rf /var/lib/apt/lists/*
+
+ENTRYPOINT ["kamailio", "-DD", "-E"]
+EOF
+}
+
+dist=${1:-stretch}
+version=${2:-5.0.3}
+DATE=$(date --rfc-3339=date)
+
+case ${dist} in
+  xenial|trusty|precise) base=ubuntu ;;
+  squeeze|wheezy|jessie|stretch) base=debian ;;
+  *)
+    echo "ERROR: no ${dist} base supported"
+    exit 1
+    ;;
+esac
+
+case ${dist} in
+  squeeze) archived=true ;;
+esac
+
+case ${version} in
+  5\.0*)
+    echo "5.0 series"
+    kam_version="50"
+    ;;
+  4\.4*)
+    echo "4.4 series"
+    kam_version="44"
+    ;;
+  *)
+    echo "unknown kamailio version '${version}'"
+    exit 1;;
+esac
+
+PKGS=$(kam_packages)
+mkdir -p "${dist}/${version}"
+DOCKERFILE="${dist}/Dockerfile"
+create_dockerfile