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app-emulation/docker: 1.12.0_rc2-r2 revbump for bug #587404
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Package-Manager: portage-2.2.28
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@williamh
williamh committed Jun 28, 2016
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# Copyright 1999-2016 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Id$

EAPI=6

EGO_PN="github.com/docker/docker"

if [[ ${PV} = *9999* ]]; then
# Docker cannot be fetched via "go get", thanks to autogenerated code
EGIT_REPO_URI="https://${EGO_PN}.git"
EGIT_CHECKOUT_DIR="${WORKDIR}/${P}/src/${EGO_PN}"
inherit git-r3
else
MY_PV="${PV/_/-}"
DOCKER_GITCOMMIT="906eacd"
EGIT_COMMIT="v${MY_PV}"
SRC_URI="https://${EGO_PN}/archive/${EGIT_COMMIT}.tar.gz -> ${P}.tar.gz
https://dev.gentoo.org/~williamh/dist/${P}-23859.patch"
KEYWORDS="~amd64"
[ "$DOCKER_GITCOMMIT" ] || die "DOCKER_GITCOMMIT must be added manually for each bump!"
inherit golang-vcs-snapshot
fi
inherit bash-completion-r1 golang-base linux-info systemd udev user

DESCRIPTION="The core functions you need to create Docker images and run Docker containers"
HOMEPAGE="https://dockerproject.org"
LICENSE="Apache-2.0"
SLOT="0"
IUSE="apparmor aufs btrfs +device-mapper experimental overlay seccomp"

# 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]
)
seccomp? ( >=sys-libs/libseccomp-2.2.1 )
apparmor? ( sys-libs/libapparmor )
"

DEPEND="
${CDEPEND}
dev-go/go-md2man
btrfs? (
>=sys-fs/btrfs-progs-3.8
)
"

# 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
>app-emulation/containerd-0.2.2
app-emulation/runc[apparmor?,seccomp?]
"

RESTRICT="installsources strip"

S="${WORKDIR}/${P}/src/${EGO_PN}"

# 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 ~MEMCG
~KEYS ~MACVLAN ~VETH ~BRIDGE ~BRIDGE_NETFILTER
~NF_NAT_IPV4 ~IP_NF_FILTER ~IP_NF_TARGET_MASQUERADE
~IP_VS
~NETFILTER_XT_MATCH_ADDRTYPE ~NETFILTER_XT_MATCH_CONNTRACK
~NF_NAT ~NF_NAT_NEEDED
~POSIX_MQUEUE
~MEMCG_KMEM ~MEMCG_SWAP ~MEMCG_SWAP_ENABLED
~BLK_CGROUP ~IOSCHED_CFQ
~CGROUP_PERF
~CGROUP_HUGETLB
~NET_CLS_CGROUP
~CFS_BANDWIDTH ~FAIR_GROUP_SCHED ~RT_GROUP_SCHED
~XFRM_ALGO ~XFRM_USER
"

ERROR_KEYS="CONFIG_KEYS: is mandatory"
ERROR_MEMCG_KMEM="CONFIG_MEMCG_KMEM: is optional"
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_BLK_CGROUP="CONFIG_BLK_CGROUP: is optional for container statistics gathering"
ERROR_IOSCHED_CFQ="CONFIG_IOSCHED_CFQ: 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"
ERROR_XFRM_ALGO="CONFIG_XFRM_ALGO: is optional for secure networks"
ERROR_XFRM_USER="CONFIG_XFRM_USER: is optional for secure networks"

pkg_setup() {
if kernel_is lt 3 10; then
ewarn ""
ewarn "Using Docker with kernels older than 3.10 is unstable and unsupported."
ewarn " - http://docs.docker.com/installation/binaries/#check-kernel-dependencies"
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 kernel_is le 3 18; then
CONFIG_CHECK+="
~RESOURCE_COUNTERS
"
fi

if kernel_is le 3 13; then
CONFIG_CHECK+="
~NETPRIO_CGROUP
"
else
CONFIG_CHECK+="
~CGROUP_NET_PRIO
"
fi

if use aufs; then
CONFIG_CHECK+="
~AUFS_FS
~EXT4_FS_POSIX_ACL ~EXT4_FS_SECURITY
"
ERROR_AUFS_FS="CONFIG_AUFS_FS: is required to be set if and only if aufs-sources are used instead of aufs4/aufs3"
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

# create docker group for the code checking for it in /etc/group
enewgroup docker
}

PATCHES=(
# https://github.com/docker/docker/pull/23859
"${DISTDIR}"/${P}-23859.patch
)

src_compile() {
export GOPATH="${WORKDIR}/${P}:${PWD}/vendor"

# 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='/&-fno-PIC /" hack/make.sh || die
grep -q -- '-fno-PIC' hack/make.sh || die 'hardened sed failed'

sed "s/LDFLAGS_STATIC_DOCKER='/&-extldflags -fno-PIC /" \
-i 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

for tag in apparmor seccomp; do
if use $tag; then
DOCKER_BUILDTAGS+=" $tag"
fi
done

# https://github.com/docker/docker/pull/13338
if use experimental; then
export DOCKER_EXPERIMENTAL=1
else
unset DOCKER_EXPERIMENTAL
fi

# time to build!
./hack/make.sh dynbinary || die 'dynbinary failed'

# build the man pages too
./man/md2man-all.sh || die "unable to generate man pages"
}

src_install() {
VERSION="$(cat VERSION)"
newbin "bundles/$VERSION/dynbinary-client/docker-$VERSION" docker
newbin "bundles/$VERSION/dynbinary-daemon/dockerd-$VERSION" dockerd
dosym containerd /usr/bin/docker-containerd
dosym containerd-shim /usr/bin/docker-containerd-shim
dosym runc /usr/bin/docker-runc

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
dodoc -r docs/*
doman man/man*/*

dobashcomp contrib/completion/bash/*

insinto /usr/share/zsh/site-functions
doins contrib/completion/zsh/*

insinto /usr/share/vim/vimfiles
doins -r contrib/syntax/vim/ftdetect
doins -r contrib/syntax/vim/syntax

# note: intentionally not using "doins" so that we preserve +x bits
mkdir -p "${D}/usr/share/${PN}/contrib"
cp -R contrib/* "${D}/usr/share/${PN}/contrib"
}

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
elog "To use Docker as a non-root user, add yourself to the 'docker' group:"
elog " usermod -aG docker youruser"
elog
}

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