[docker] added docker to the repo. included support for our binary kernel and systemd

1 files changed, 246 insertions, 0 deletions

diff --git a/app-emulation/docker/docker-1.6.1.ebuild b/app-emulation/docker/docker-1.6.1.ebuild
new file mode 100644
index 00000000..adabf385
--- /dev/null
+++ b/app-emulation/docker/docker-1.6.1.ebuild
@@ -0,0 +1,246 @@
+# Copyright 1999-2015 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Id$
+
+EAPI=5
+
+DESCRIPTION="Docker complements kernel namespacing with a high-level API which operates at the process level"
+HOMEPAGE="https://www.docker.com"
+
+GITHUB_URI="github.com/docker/docker"
+
+if [[ ${PV} == *9999 ]]; then
+	SRC_URI=""
+	EGIT_REPO_URI="git://${GITHUB_URI}.git"
+	inherit git-2
+else
+	MY_PV="${PV/_/-}"
+	MY_P="${PN}-${MY_PV}"
+	SRC_URI="https://${GITHUB_URI}/archive/v${MY_PV}.tar.gz -> ${MY_P}.tar.gz"
+	S="${WORKDIR}/${MY_P}"
+	DOCKER_GITCOMMIT="97cd073"
+	KEYWORDS="~amd64"
+	[ "$DOCKER_GITCOMMIT" ] || die "DOCKER_GITCOMMIT must be added manually for each bump!"
+fi
+
+inherit bash-completion-r1 eutils linux-info multilib systemd udev user
+
+LICENSE="Apache-2.0"
+SLOT="0"
+IUSE="aufs btrfs +contrib +device-mapper doc lxc overlay vim-syntax"
+
+# https://github.com/docker/docker/blob/master/hack/PACKAGERS.md#build-dependencies
+CDEPEND="
+	>=dev-db/sqlite-3.7.9:3
+	device-mapper? (
+		>=sys-fs/lvm2-2.02.89[thin]
+	)
+"
+
+DEPEND="
+	${CDEPEND}
+	>=dev-lang/go-1.3
+	btrfs? (
+		>=sys-fs/btrfs-progs-3.16.1
+	)
+"
+
+# https://github.com/docker/docker/blob/master/hack/PACKAGERS.md#runtime-dependencies
+# https://github.com/docker/docker/blob/master/hack/PACKAGERS.md#optional-dependencies
+RDEPEND="
+	${CDEPEND}
+
+	!app-emulation/docker-bin
+	>=net-firewall/iptables-1.4
+	sys-process/procps
+	>=dev-vcs/git-1.7
+	>=app-arch/xz-utils-4.9
+
+	lxc? (
+		>=app-emulation/lxc-1.0.7
+	)
+	aufs? (
+		|| (
+			sys-fs/aufs3
+			sys-fs/aufs4
+			sys-kernel/aufs-sources
+		)
+	)
+"
+
+RESTRICT="installsources strip"
+
+# see "contrib/check-config.sh" from upstream's sources
+CONFIG_CHECK="
+	NAMESPACES NET_NS PID_NS IPC_NS UTS_NS
+	DEVPTS_MULTIPLE_INSTANCES
+	CGROUPS CGROUP_CPUACCT CGROUP_DEVICE CGROUP_FREEZER CGROUP_SCHED CPUSETS
+	MACVLAN VETH BRIDGE
+	NF_NAT_IPV4 IP_NF_FILTER IP_NF_TARGET_MASQUERADE
+	NETFILTER_XT_MATCH_ADDRTYPE NETFILTER_XT_MATCH_CONNTRACK
+	NF_NAT NF_NAT_NEEDED
+
+	POSIX_MQUEUE
+
+	~MEMCG_SWAP ~MEMCG_SWAP_ENABLED
+	~RESOURCE_COUNTERS
+	~CGROUP_PERF
+	~CFS_BANDWIDTH
+"
+
+ERROR_MEMCG_SWAP="CONFIG_MEMCG_SWAP: is required if you wish to limit swap usage of containers"
+ERROR_RESOURCE_COUNTERS="CONFIG_RESOURCE_COUNTERS: is optional for container statistics gathering"
+ERROR_CGROUP_PERF="CONFIG_CGROUP_PERF: is optional for container statistics gathering"
+ERROR_CFS_BANDWIDTH="CONFIG_CFS_BANDWIDTH: is optional for container statistics gathering"
+
+pkg_setup() {
+	if kernel_is lt 3 8; then
+		eerror ""
+		eerror "Using Docker with kernels older than 3.8 is unstable and unsupported."
+		eerror " - http://docs.docker.com/installation/binaries/#check-kernel-dependencies"
+		die 'Kernel is too old - need 3.8 or above'
+	fi
+
+	# for where these kernel versions come from, see:
+	# https://www.google.com/search?q=945b2b2d259d1a4364a2799e80e8ff32f8c6ee6f+site%3Akernel.org%2Fpub%2Flinux%2Fkernel+file%3AChangeLog*
+	if ! {
+		kernel_is ge 3 16 \
+		|| { kernel_is 3 15 && kernel_is ge 3 15 5; } \
+		|| { kernel_is 3 14 && kernel_is ge 3 14 12; } \
+		|| { kernel_is 3 12 && kernel_is ge 3 12 25; }
+	}; then
+		ewarn ""
+		ewarn "There is a serious Docker-related kernel panic that has been fixed in 3.16+"
+		ewarn "  (and was backported to 3.15.5+, 3.14.12+, and 3.12.25+)"
+		ewarn ""
+		ewarn "See also https://github.com/docker/docker/issues/2960"
+	fi
+
+	if use aufs; then
+		CONFIG_CHECK+="
+			~AUFS_FS
+			~EXT4_FS_POSIX_ACL ~EXT4_FS_SECURITY
+		"
+		# TODO there must be a way to detect "sys-kernel/aufs-sources" so we don't warn "sys-fs/aufs3" users about this
+		# an even better solution would be to check if the current kernel sources include CONFIG_AUFS_FS as an option, but that sounds hairy and error-prone
+		ERROR_AUFS_FS="CONFIG_AUFS_FS: is required to be set if and only if aufs-sources are used"
+	fi
+
+	if use btrfs; then
+		CONFIG_CHECK+="
+			~BTRFS_FS
+		"
+	fi
+
+	if use device-mapper; then
+		CONFIG_CHECK+="
+			~BLK_DEV_DM ~DM_THIN_PROVISIONING ~EXT4_FS ~EXT4_FS_POSIX_ACL ~EXT4_FS_SECURITY
+		"
+	fi
+
+	if use overlay; then
+		CONFIG_CHECK+="
+			~OVERLAY_FS ~EXT4_FS_SECURITY ~EXT4_FS_POSIX_ACL
+		"
+	fi
+
+	linux-info_pkg_setup
+}
+
+src_prepare() {
+	# allow user patches (use sparingly - upstream won't support them)
+	epatch_user
+}
+
+src_compile() {
+	# if we treat them right, Docker's build scripts will set up a
+	# reasonable GOPATH for us
+	export AUTO_GOPATH=1
+
+	# setup CFLAGS and LDFLAGS for separate build target
+	# see https://github.com/tianon/docker-overlay/pull/10
+	export CGO_CFLAGS="-I${ROOT}/usr/include"
+	export CGO_LDFLAGS="-L${ROOT}/usr/$(get_libdir)"
+
+	# if we're building from a zip, we need the GITCOMMIT value
+	[ "$DOCKER_GITCOMMIT" ] && export DOCKER_GITCOMMIT
+
+	if gcc-specs-pie; then
+		sed -i "s/EXTLDFLAGS_STATIC='/EXTLDFLAGS_STATIC='-fno-PIC /" hack/make.sh || die
+		grep -q -- '-fno-PIC' hack/make.sh || die 'hardened sed failed'
+
+		sed -i "s/LDFLAGS_STATIC_DOCKER='/LDFLAGS_STATIC_DOCKER='-extldflags -fno-PIC /" hack/make/dynbinary || die
+		grep -q -- '-fno-PIC' hack/make/dynbinary || die 'hardened sed failed'
+	fi
+
+	# let's set up some optional features :)
+	export DOCKER_BUILDTAGS=''
+	for gd in aufs btrfs device-mapper overlay; do
+		if ! use $gd; then
+			DOCKER_BUILDTAGS+=" exclude_graphdriver_${gd//-/}"
+		fi
+	done
+
+	# time to build!
+	./hack/make.sh dynbinary || die 'dynbinary failed'
+
+	# TODO get go-md2man and then include the man pages using docs/man/md2man-all.sh
+}
+
+src_install() {
+	VERSION=$(cat VERSION)
+	newbin bundles/$VERSION/dynbinary/docker-$VERSION docker
+	exeinto /usr/libexec/docker
+	newexe bundles/$VERSION/dynbinary/dockerinit-$VERSION dockerinit
+
+	newinitd contrib/init/openrc/docker.initd docker
+	newconfd contrib/init/openrc/docker.confd docker
+
+	systemd_dounit contrib/init/systemd/docker.{service,socket}
+
+	udev_dorules contrib/udev/*.rules
+
+	dodoc AUTHORS CONTRIBUTING.md CHANGELOG.md NOTICE README.md
+	if use doc; then
+		# TODO doman contrib/man/man*/*
+
+		docompress -x /usr/share/doc/${PF}/md
+		docinto md
+		dodoc -r docs/sources/*
+	fi
+
+	dobashcomp contrib/completion/bash/*
+
+	insinto /usr/share/zsh/site-functions
+	doins contrib/completion/zsh/*
+
+	if use vim-syntax; then
+		insinto /usr/share/vim/vimfiles
+		doins -r contrib/syntax/vim/ftdetect
+		doins -r contrib/syntax/vim/syntax
+	fi
+
+	if use contrib; then
+		mkdir -p "${D}/usr/share/${PN}/contrib"
+		cp -R contrib/* "${D}/usr/share/${PN}/contrib"
+	fi
+}
+
+pkg_postinst() {
+	udev_reload
+
+	elog ""
+	elog "To use Docker, the Docker daemon must be running as root. To automatically"
+	elog "start the Docker daemon at boot, add Docker to the default runlevel:"
+	elog "  rc-update add docker default"
+	elog "Similarly for systemd:"
+	elog "  systemctl enable docker.service"
+	elog ""
+
+	# create docker group if the code checking for it in /etc/group exists
+	enewgroup docker
+
+	elog "To use Docker as a non-root user, add yourself to the 'docker' group:"
+	elog "  usermod -aG docker youruser"
+	elog ""
+}