Merge pull request #2040 from ajones-rvbd/ajones-issue-2030

alpine packaging: use a more standard packaging format

alpine/APKBUILD.in

@@ -4,9 +4,9 @@ pkgver=@VERSION@
 pkgrel=0
 pkgdesc="Free Range Routing is a fork of quagga"
 url="https://frrouting.org/"
-arch="all"
+arch="x86_64"
 license="GPL-2.0"
-depends="iproute2 json-c c-ares ipsec-tools iproute2"
+depends="json-c c-ares ipsec-tools iproute2 python py-ipaddr bash"
 makedepends="ncurses-dev net-snmp-dev gawk texinfo perl
     acct autoconf automake bash
     binutils binutils-libs bison bsd-compat-headers build-base
@@ -20,18 +20,42 @@ makedepends="ncurses-dev net-snmp-dev gawk texinfo perl
     patch pax-utils pcre perl pkgconf python2 python2-dev readline
     readline-dev sqlite-libs squashfs-tools sudo tar texinfo xorriso xz-libs
     py-sphinx"
+install="$pkgname.pre-install $pkgname.pre-deinstall $pkgname.post-deinstall"
 subpackages="$pkgname-dev $pkgname-doc $pkgname-dbg"
-source="$pkgname-$pkgver.tar.gz"
+source="$pkgname-$pkgver.tar.gz docker-start daemons daemons.conf"
 
 builddir="$srcdir"/$pkgname-$pkgver
 
+_sbindir=/usr/lib/frr
+_sysconfdir=/etc/frr
+_libdir=/usr/lib
+_localstatedir=/var/run/frr
+_user=frr
+
 build() {
 	cd "$builddir"
-	./configure --prefix=/usr || return 1
+	./configure \
+		--prefix=/usr \
+		--sbindir=$_sbindir \
+		--sysconfdir=$_sysconfdir \
+		--libdir=$_libdir \
+		--localstatedir=$_localstatedir \
+		--enable-systemd=no \
+		--enable-vtysh \
+		--enable-multipath=64 \
+		--enable-vty-group=frrvty \
+		--enable-user=$_user \
+		--enable-group=$_user || return 1
 	make || return 1
 }
 
 package() {
 	cd "$builddir"
 	make DESTDIR="$pkgdir" install || return 1
+
+	install -Dm755 "$srcdir"/docker-start "$pkgdir"$_sbindir
+	install -Dm644 "$srcdir"/daemons "$pkgdir"$_sysconfdir
+	install -Dm644 "$srcdir"/daemons.conf "$pkgdir"$_sysconfdir
+	install -d "$pkgdir"/etc/init.d
+	ln -s ${_sbindir}/frr "$pkgdir"/etc/init.d/frr
 }

alpine/docker-start

@@ -0,0 +1,10 @@
+#!/bin/sh
+
+set -e
+
+##
+# For volume mounts...
+##
+chown -R frr:frr /etc/frr
+/etc/init.d/frr start
+exec sleep 10000d

alpine/frr.post-deinstall

@@ -0,0 +1,6 @@
+#!/bin/sh
+
+getent passwd frr > /dev/null && deluser frr
+getent group frrvty > /dev/null && delgroup frrvty
+getent group frr > /dev/null && delgroup frr
+exit 0

alpine/frr.pre-deinstall

@@ -0,0 +1,4 @@
+#!/bin/sh
+
+/etc/init.d/frr stop
+exit 0

alpine/frr.pre-install

@@ -0,0 +1,10 @@
+#!/bin/sh
+
+for g in frr frrvty; do
+	! getent group $g > /dev/null && addgroup -S $g
+done
+
+! getent passwd frr > /dev/null && \
+	adduser -S -D -h /var/run/frr -s /sbin/nologin -G frr -g frr frr
+
+adduser frr frrvty

doc/developer/building-frr-on-alpine.rst

@@ -52,13 +52,32 @@ And to run the image:
 
 ::
 
-   docker run -it --rm frr:latest /bin/sh
+   docker run -it --rm --name frr frr:latest
 
-Currently, we only package the raw daemons and example files, so, you'll
-need to run the daemons by hand (or, better, orchestrate in the Dockerfile).
+In the default configuration, none of the frr daemons will  be running.
+To configure the daemons, exec into the container and edit the configuration
+files or mount a volume with configuration files into the container on
+startup.  To configure by hand:
 
-We can also build directly from docker-compose, with a docker-compose.yml file
-like this one:
+::
+
+   docker exec -it frr /bin/sh
+   vi /etc/frr/daemons
+   vi /etc/frr/daemons.conf
+   cp /etc/frr/zebra.conf.sample /etc/frr/zebra.conf
+   vi /etc/frr/zebra.conf
+   /etc/init.d/frr start
+
+Or, to configure the daemons using /etc/frr from a host volume, put the
+config files in, say, ./docker/etc and bind mount that into the
+container:
+
+::
+
+   docker run -it --rm -v `pwd`/docker/etc:/etc/frr frr:latest
+
+We can also build the base image directly from docker-compose, with a
+docker-compose.yml file like this one:
 
 ::
 

docker/alpine/Dockerfile

@@ -23,11 +23,13 @@ FROM alpine:3.7 as alpine-builder
 RUN apk add --no-cache abuild alpine-sdk && mkdir -p /pkgs/apk
 ADD docker/alpine/alpine-build.sh /usr/bin/
 ADD docker/alpine/builder /etc/sudoers.d
-COPY --from=source-builder /src/*.tar.gz /src/alpine/APKBUILD /dist/
+COPY --from=source-builder /src/*.tar.gz /src/alpine/* /src/tools/etc/frr/daemons* /dist/
 RUN adduser -D -G abuild builder && chown -R builder /dist /pkgs
 USER builder
 RUN /usr/bin/alpine-build.sh
 FROM alpine:3.7
 RUN mkdir -p /pkgs/apk
 COPY --from=alpine-builder /pkgs/apk/ /pkgs/apk/
+RUN apk add --no-cache tini
 RUN apk add --no-cache --allow-untrusted /pkgs/apk/x86_64/*.apk
+ENTRYPOINT [ "/sbin/tini", "--", "/usr/lib/frr/docker-start" ]

tools/frr

@@ -25,7 +25,9 @@ DAEMONS="zebra bgpd ripd ripngd ospfd ospf6d isisd babeld pimd ldpd nhrpd eigrpd
 MAX_INSTANCES=5
 RELOAD_SCRIPT=/usr/lib/frr/frr-reload.py
 
-. /lib/lsb/init-functions
+if [ -e /lib/lsb/init-functions ]; then
+    . /lib/lsb/init-functions
+fi
 
 if [ -f /usr/lib/frr/ssd ]; then
     SSD=/usr/lib/frr/ssd