Merge pull request #2 from mesosphere/add-docker-image

Add docker image

Makefile

@@ -1,4 +1,5 @@
 OUTPUT := $(shell pwd)/packages
+DOCKER_OUT := $(shell pwd)/docker
 VERSION ?= 0.1
 
 .PHONY: help
@@ -50,9 +51,19 @@ debian-wheezy-77: packages
 	docker build -t mesosphere/mesosdnsbuilder-debian-wheezy debian-wheezy
 	docker run -v $(OUTPUT):/target mesosphere/mesosdnsbuilder-debian-wheezy bap $(VERSION)
 
+.PHONY: docker-rootfs
+docker-rootfs:
+	docker build -t mesosphere/mesosdnsbuilder-docker-rootfs docker-rootfs
+	docker run -v $(DOCKER_OUT):/target mesosphere/mesosdnsbuilder-docker-rootfs bap $(VERSION)
+
+.PHONY: docker
+docker: docker-rootfs
+	docker build -t mesosphere/mesos-dns docker
+
 .PHONY: clean
 clean:
 	rm -rf '$(OUTPUT)'
+	rm -f docker/mesos-dns_rootfs.tar.gz
 
 packages:
 	mkdir -p '$(OUTPUT)'

docker-rootfs/Dockerfile

@@ -0,0 +1,26 @@
+FROM centos:centos7
+MAINTAINER Mesosphere Package Builder <[email protected]>
+
+RUN yum -y update && \
+    yum -y install epel-release && \
+    yum -y group install 'Development Tools' && \
+    yum -y install golang && \
+    yum clean all
+
+RUN mkdir -p /build/ && \
+    mkdir -p /package/root/ && \
+    mkdir -p /package/root/etc/ && \
+    mkdir -p /package/root/usr/bin/
+
+RUN cd /package/root/etc/ && ln -s /proc/mounts mtab
+
+COPY etc/group /package/root/etc/
+COPY etc/hostname /package/root/etc/
+COPY etc/hosts /package/root/etc/
+COPY etc/nsswitch.conf /package/root/etc/
+COPY etc/passwd /package/root/etc/
+COPY etc/resolv.conf /package/root/etc/
+
+COPY bap.sh /usr/bin/bap
+
+CMD ["bap"]

docker-rootfs/bap.sh

@@ -0,0 +1,27 @@
+#!/bin/sh
+if [ ! -d /target ]
+then
+  echo "output directory /target not found"
+  exit 1
+fi
+mkdir -p /build/
+mkdir -p /package/root/
+mkdir -p /package/root/usr/bin/
+mkdir -p /package/root/lib64/
+export GOPATH=/build
+go get github.com/miekg/dns
+go get github.com/mesosphere/mesos-dns
+cd $GOPATH/src/github.com/mesosphere/mesos-dns
+go build -o mesos-dns
+strip mesos-dns
+cp mesos-dns /package/root/usr/bin/
+cp /lib64/ld-linux-x86-64.so.2 /package/root/lib64/
+cp /lib64/libc.so.6 /package/root/lib64/
+cp /lib64/libnss_compat.so.2 /package/root/lib64/
+cp /lib64/libnss_dns.so.2 /package/root/lib64/
+cp /lib64/libnss_files.so.2 /package/root/lib64/
+cp /lib64/libpthread.so.0 /package/root/lib64/
+cd /package/root
+tar czvf ../mesos-dns_rootfs.tar.gz .
+cd ..
+cp mesos-dns_rootfs.tar.gz /target/

docker-rootfs/etc/group

@@ -0,0 +1,11 @@
+root:x:0:
+bin:x:1:
+daemon:x:2:
+adm:x:4:
+lp:x:7:
+mail:x:12:
+games:x:20:
+ftp:x:50:
+nobody:x:99:
+users:x:100:
+nfsnobody:x:65534:

docker-rootfs/etc/nsswitch.conf

@@ -0,0 +1,4 @@
+passwd:     files
+shadow:     files
+group:      files
+hosts:      files dns

docker-rootfs/etc/passwd

@@ -0,0 +1,13 @@
+root:x:0:0:root:/root:/bin/bash
+bin:x:1:1:bin:/bin:/sbin/nologin
+daemon:x:2:2:daemon:/sbin:/sbin/nologin
+adm:x:3:4:adm:/var/adm:/sbin/nologin
+lp:x:4:7:lp:/var/spool/lpd:/sbin/nologin
+sync:x:5:0:sync:/sbin:/bin/sync
+shutdown:x:6:0:shutdown:/sbin:/sbin/shutdown
+halt:x:7:0:halt:/sbin:/sbin/halt
+mail:x:8:12:mail:/var/spool/mail:/sbin/nologin
+operator:x:11:0:operator:/root:/sbin/nologin
+games:x:12:100:games:/usr/games:/sbin/nologin
+ftp:x:14:50:FTP User:/var/ftp:/sbin/nologin
+nobody:x:99:99:Nobody:/:/sbin/nologin

docker/Dockerfile

@@ -0,0 +1,5 @@
+FROM scratch
+MAINTAINER Mesosphere Package Builder <[email protected]>
+ADD mesos-dns_rootfs.tar.gz /
+
+CMD ["/usr/bin/mesos-dns"]