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23c044303c
Signed-off-by: Shishir Mahajan <shishir.mahajan@redhat.com> Closes: #542 Approved by: giuseppe
120 lines
3.5 KiB
Bash
Executable File
120 lines
3.5 KiB
Bash
Executable File
#!/bin/bash -x
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set -euo pipefail
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IFS=$'\n\t'
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#With the inclusion of this PR (https://github.com/projectatomic/atomic/pull/294)
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#atomic storage export/import will only work with docker 1.10 support.
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#Skip this test, until we move to docker 1.10.
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echo "WARNING: skipping test_migrate.sh since it is only supported with docker 1.10 onwards."
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exit 0
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#
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# 'atomic storage' integration tests (non-live)
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# AUTHOR: Shishir Mahajan <shishir dot mahajan at redhat dot com>
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#
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if [[ "$(id -u)" -ne "0" ]]; then
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echo "Atomic storage tests require root access. Please try again."
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exit 1
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fi
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init=$(ps -q 1 -o comm=)
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if [ "$init" != "systemd" ];then
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echo "Systemd init system is required to run atomic storage tests. Skipping these tests."
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exit 0
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fi
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if ! systemctl is-active docker >/dev/null; then
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echo "Docker daemon is not running"
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exit 1
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fi
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pid=$(systemctl show -p MainPID docker.service)
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dockerPid=$(echo ${pid#*=})
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dockerCmdline=$(cat /proc/$dockerPid/cmdline)
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if [[ $dockerCmdline =~ "-g=" ]] || [[ $dockerCmdline =~ "-g/" ]] || [[ $dockerCmdline =~ "--graph" ]];then
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echo "Docker is not located at the default (/var/lib/docker) root location. Skipping these tests."
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exit 0
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fi
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if [ ! -f /etc/sysconfig/docker ];then
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echo "Atomic storage tests require /etc/sysconfig/docker to exist. Skipping these tests."
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exit 0
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fi
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if [ ! -f /etc/sysconfig/docker-storage ];then
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echo "Atomic storage tests require /etc/sysconfig/docker-storage to exist. Skipping these tests."
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exit 0
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fi
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setup () {
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CNT1=$(${DOCKER} create --name test-migrate-1 -v /tmp fedora /bin/bash)
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CNT2=$(${DOCKER} create --name test-migrate-2 -v /tmp busybox /bin/bash)
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}
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cleanup () {
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systemctl stop docker
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if findmnt /var/lib/docker >/dev/null; then
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umount /var/lib/docker
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fi
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rm -rf /var/lib/overlayfs
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if [ -f /etc/sysconfig/docker.backup ]; then
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mv /etc/sysconfig/docker{.backup,}
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fi
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if [ -f /etc/sysconfig/docker-storage.backup ]; then
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mv /etc/sysconfig/docker-storage{.backup,}
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fi
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systemctl start docker
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for cnt in test-migrate-1 test-migrate-2; do
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if ${DOCKER} inspect $cnt &>/dev/null; then
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${DOCKER} rm -f -v $cnt
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fi
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done
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}
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trap cleanup EXIT
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# Test for atomic storage export and import using the default graph
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# at /var/lib/docker
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atomic_storage_migrate () {
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setup
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echo 'y'|${ATOMIC} storage export --dir "$(pwd)/migrate-dir"
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switch_docker_storage
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echo 'y'|${ATOMIC} storage import --dir "$(pwd)/migrate-dir"
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systemctl restart docker
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# check that the containers were actually migrated (this implicitly also
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# checks that at least the fedora and busybox images were also migrated)
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for cnt in $CNT1 $CNT2; do
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${DOCKER} inspect $cnt
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done
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}
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switch_docker_storage () {
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systemctl stop docker
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mkdir -p /var/lib/overlayfs
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mount -o bind /var/lib/overlayfs /var/lib/docker
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restorecon -R -v /var/lib/docker
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# NB: Let's not actually switch over to overlayfs for now because it can
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# trigger a kernel mm bug from the overlay module's allocations. There is a
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# "fix" (an overlay patch to work around the mm bug) which has made it
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# upstream, but is not yet in the stable kernels. Until then, let's not use
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# overlayfs (see https://github.com/coreos/bugs/issues/489 for more info).
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#cp /etc/sysconfig/docker /etc/sysconfig/docker.backup
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#cp /etc/sysconfig/docker-storage /etc/sysconfig/docker-storage.backup
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#sed -i "/OPTIONS/c OPTIONS=''" /etc/sysconfig/docker
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#sed -i '/DOCKER_STORAGE_OPTIONS/c DOCKER_STORAGE_OPTIONS="-s overlay"' /etc/sysconfig/docker-storage
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systemctl start docker
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}
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atomic_storage_migrate
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