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https://github.com/kata-containers/kata-containers.git
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tests: Test generated images and initrd's
After building the images, perform a very basic test by configuring the runtime to use them and creating a container. Fixes #97. Signed-off-by: James O. D. Hunt <james.o.hunt@intel.com>
This commit is contained in:
James O. D. Hunt
parent
340d7b2ad5
commit
4ae6d31d3e
@ -14,12 +14,14 @@ bash "${cidir}/static-checks.sh"
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source /etc/os-release
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if [ "$ID" == fedora ];then
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sudo -E dnf -y install automake bats yamllint coreutils
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sudo -E dnf -y install automake bats yamllint coreutils moreutils
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elif [ "$ID" == centos ];then
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sudo -E dnf -y install automake bats yamllint coreutils moreutils
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elif [ "$ID" == ubuntu ];then
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#bats isn't available for Ubuntu trusty, need for travis
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sudo add-apt-repository -y ppa:duggan/bats
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sudo apt-get -qq update
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sudo apt-get install -y -qq automake bats qemu-utils python-pip coreutils
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sudo apt-get install -y -qq automake bats qemu-utils python-pip coreutils moreutils
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sudo pip install yamllint
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else
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echo "Linux distribution not supported"
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@ -9,17 +9,89 @@ readonly image_builder_sh="$BATS_TEST_DIRNAME/../image-builder/image_builder.sh"
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readonly initrd_builder_sh="$BATS_TEST_DIRNAME/../initrd-builder/initrd_builder.sh"
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readonly tmp_dir=$(mktemp -t -d osbuilder-test.XXXXXXX)
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readonly tmp_rootfs="${tmp_dir}/rootfs-osbuilder"
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readonly images_dir="${tmp_dir}/images"
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readonly osbuilder_file="/var/lib/osbuilder/osbuilder.yaml"
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readonly docker_image="busybox"
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readonly docker_config_file="/etc/systemd/system/docker.service.d/kata-containers.conf"
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readonly tests_repo="github.com/kata-containers/tests"
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readonly tests_repo_dir="$BATS_TEST_DIRNAME/../../tests"
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readonly mgr="${tests_repo_dir}/cmd/kata-manager/kata-manager.sh"
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readonly RUNTIME=${RUNTIME:-kata-runtime}
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# "docker build" does not work with a VM-based runtime
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readonly docker_build_runtime="runc"
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info()
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{
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s="$*"
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echo -e "INFO: $s\n" >&2
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}
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set_runtime()
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{
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local name="$1"
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# Travis doesn't support VT-x
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[ -n "$TRAVIS" ] && return
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sudo -E sed -i "s/--default-runtime=[^ ][^ ]*/--default-runtime=${name}/g" \
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"${docker_config_file}"
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sudo -E systemctl daemon-reload
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sudo -E systemctl restart docker
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}
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setup()
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{
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mkdir -p "${images_dir}"
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export USE_DOCKER=true
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# Travis doesn't support VT-x
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[ -n "$TRAVIS" ] && return
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[ ! -d "${tests_repo_dir}" ] && git clone "https://${tests_repo}" "${tests_repo_dir}"
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chronic $mgr install-packages
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chronic $mgr enable-debug
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# Ensure "docker build" works
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set_runtime "${docker_build_runtime}"
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}
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teardown(){
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# Rootfs is own by root change it to remove it
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sudo rm -rf "${tmp_rootfs}"
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rm -rf "${tmp_dir}"
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teardown()
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{
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if [ "$BATS_ERROR_STATUS" -eq 0 ]
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then
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# Rootfs and images are owned by root
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sudo -E rm -rf "${tmp_rootfs}"
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sudo -E rm -rf "${images_dir}"
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rm -rf "${tmp_dir}"
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return
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fi
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# The test failed so dump what we can
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info "AGENT_INIT: '${AGENT_INIT}'"
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info "images:"
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sudo -E ls -l "${images_dir}" >&2
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info "rootfs:"
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sudo -E ls -l "${tmp_rootfs}" >&2
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info "local runtime config:"
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cat /etc/kata-containers/configuration.toml >&2
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info "main runtime config:"
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cat /usr/share/defaults/kata-containers/configuration.toml >&2
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info "collect script output:"
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sudo -E kata-collect-data.sh >&2
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info "processes:"
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sudo -E ps -efwww | egrep "docker|kata" >&2
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}
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build_rootfs()
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@ -30,11 +102,15 @@ build_rootfs()
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local full="${rootfs}${osbuilder_file}"
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# clean up from any previous runs
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[ -d "${rootfs}" ] && sudo rm -rf "${rootfs}"
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[ -d "${rootfs}" ] && sudo -E rm -rf "${rootfs}"
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sudo -E ${rootfs_sh} -r "${rootfs}" "${distro}"
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yamllint "${full}"
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info "built rootfs for distro '$distro' at '$rootfs'"
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info "osbuilder metadata file:"
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cat "${full}" >&2
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}
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build_image()
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@ -43,6 +119,9 @@ build_image()
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local rootfs="$2"
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sudo -E ${image_builder_sh} -o "${file}" "${rootfs}"
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info "built image file '$file' for rootfs '$rootfs':"
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sudo -E ls -l "$file" >&2
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}
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build_initrd()
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@ -51,49 +130,153 @@ build_initrd()
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local rootfs="$2"
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sudo -E ${initrd_builder_sh} -o "${file}" "${rootfs}"
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info "built initrd file '$file' for rootfs '$rootfs':"
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sudo -E ls -l "$file" >&2
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}
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# Create an image and/or initrd for the specified distribution.
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create_container()
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{
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out=$(mktemp)
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local file="/proc/version"
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# Create a container using the runtime under test which displays a
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# file that is expected to exist.
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docker run --rm -i --runtime "${RUNTIME}" "$docker_image" cat "${file}" > "$out"
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info "contents of docker image ${docker_image} container file '${file}':"
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cat "${out}" >&2
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[ -s "$out" ]
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rm -f "$out"
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}
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install_image_create_container()
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{
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local file="$1"
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# Travis doesn't support VT-x
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[ -n "$TRAVIS" ] && return
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chronic $mgr reset-config
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chronic $mgr configure-image "$file"
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create_container
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}
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install_initrd_create_container()
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{
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local file="$1"
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# Travis doesn't support VT-x
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[ -n "$TRAVIS" ] && return
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chronic $mgr reset-config
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chronic $mgr configure-initrd "$file"
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create_container
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}
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handle_options()
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{
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local distro="$1"
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local type="$2"
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local options="$3"
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local opt
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local rootfs
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for opt in $options
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do
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# Set the crucial variable to determine if the agent will be
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# PID 1 in the image or initrd.
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case "$opt" in
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init) export AGENT_INIT="yes";;
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*) export AGENT_INIT="no";;
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esac
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rootfs="${tmp_rootfs}/${distro}-agent-init-${AGENT_INIT}"
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build_rootfs "${distro}" "${rootfs}"
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if [ "$type" = "image" ]
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then
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# Images need systemd
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[ "$opt" = "init" ] && continue
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local image_path="${images_dir}/${type}-${distro}-agent-init-${AGENT_INIT}.img"
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build_image "${image_path}" "${rootfs}"
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install_image_create_container "${image_path}"
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elif [ "$type" = "initrd" ]
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then
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local initrd_path="${images_dir}/${type}-${distro}-agent-init-${AGENT_INIT}.img"
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build_initrd "${initrd_path}" "${rootfs}"
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install_initrd_create_container "${initrd_path}"
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else
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die "invalid type: '$type' for distro $distro option $opt"
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fi
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done
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}
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# Create an image and/or initrd for the specified distribution,
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# then test each by configuring the runtime and creating a container.
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#
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# The second and third parameters take the form of a space separated list of
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# values which represent whether the agent should be the init daemon in the
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# image/initrd. "init" means the agent should be configured to be the init
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# daemon and "service" means it should run as a systemd service.
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#
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# The list value should be set to "no" if the image/initrd should not
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# be built+tested.
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#
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# Parameters:
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#
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# 1: distro name.
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# 2: set to "yes" to build an image for the distro.
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# 3: set to "yes" to build an initrd for the distro.
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create_images()
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# 2: image options.
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# 3: initrd options.
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create_and_run()
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{
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distro="$1"
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image="$2"
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initrd="$3"
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local distro="$1"
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local image_options="$2"
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local initrd_options="$3"
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[ -n "$distro" ]
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build_rootfs "${distro}" "${tmp_rootfs}"
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[ "$image" = "yes" ] && build_image "${tmp_dir}/image.img" "${tmp_rootfs}"
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[ "$initrd" = "yes" ] && build_initrd "${tmp_dir}/initrd-image.img" "${tmp_rootfs}"
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local opt
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if [ "$image_options" != "no" ]
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then
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handle_options "$distro" "image" "$image_options"
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fi
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if [ "$initrd_options" != "no" ]
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then
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handle_options "$distro" "initrd" "$initrd_options"
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fi
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}
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@test "Can create fedora image" {
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create_images fedora yes yes
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@test "Can create and run fedora image" {
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create_and_run fedora "service" "no"
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}
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@test "Can create clearlinux image" {
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create_images run clearlinux yes yes
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@test "Can create and run clearlinux image" {
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create_and_run clearlinux "service" "no"
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}
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@test "Can create centos image" {
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create_images centos yes yes
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@test "Can create and run centos image" {
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create_and_run centos "service" "no"
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}
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@test "Can create euleros image" {
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@test "Can create and run euleros image" {
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if [ "$TRAVIS" = true ]
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then
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skip "travis timeout, see: https://github.com/kata-containers/osbuilder/issues/46"
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fi
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create_images euleros yes yes
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create_and_run euleros "service" "no"
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}
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@test "Can create alpine image" {
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create_images alpine no yes
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@test "Can create and run alpine image" {
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create_and_run alpine "no" "init"
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}
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