Yocto build container: initial commit

Signed-off-by: Thomas Klaehn <thomas.klaehn@u-blox.com>

Dockerfile

@@ -0,0 +1,29 @@
+FROM debian:jessie
+
+MAINTAINER Thomas Klaehn <thomas.klaehn@u-blox.com>
+
+RUN apt-get update && \
+	apt-get install -yq sudo build-essential git python python3 man bash diffstat \
+	gawk chrpath wget cpio texinfo lzop apt-utils bc screen libncurses5-dev \
+	locales libc6-dev-i386 doxygen libssl-dev dos2unix unzip gcc-multilib socat \
+	python3-pip python3-pexpect xz-utils debianutils iputils-ping libsdl1.2-dev \
+	xterm p7zip-full && \
+	rm -rf /var/lib/apt-lists/* && \
+	echo "dash dash/sh boolean false" | debconf-set-selections && \
+	DEBIAN_FRONTEND=noninteractive dpkg-reconfigure dash && \
+	dpkg --add-architecture i386 && \
+	apt-get update && \
+	apt-get -yq install g++-multilib libusb-1.0-0-dev:i386
+
+RUN echo "en_US.UTF-8 UTF-8" > /etc/locale.gen && locale-gen
+
+ENV LANG en_US.utf8
+
+RUN mkdir -p /var/build
+
+WORKDIR /var/build
+
+ADD init.sh /usr/local/bin/init.sh
+
+ENTRYPOINT ["/usr/local/bin/init.sh"]
+

init.sh

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+#!/bin/bash
+
+username=builduser
+usergroup=buildgroup
+builddir=/var/build
+homedir=/home/${username}
+sshdir=${homedir}/.ssh
+
+# figure out the uid/gid we need to use by integrating the path that has
+# been bind mounted in. this is then used for the builduser.
+BUILD_UID=$(stat --printf=%u ${builddir} 2> /dev/null)
+BUILD_GID=$(stat --printf=%g ${builddir} 2> /dev/null)
+
+# create a group
+groupadd --gid ${BUILD_GID} --non-unique ${usergroup}
+
+# add user
+useradd -s /bin/bash --home ${homedir} --non-unique --uid ${BUILD_UID} \
+	--gid ${BUILD_GID} --groups sudo ${username}
+
+# give users in the sudo group sudo access in the container
+echo '%sudo ALL=(ALL) NOPASSWD:ALL' >> /etc/sudoers
+
+# copy ssh key files
+mkdir -p ${homedir}
+mkdir -p ${sshdir}
+cp /var/ssh/* ${sshdir}/
+chown -R ${username}:${usergroup} ${homedir}
+
+exec "$@"
+