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Add migration test

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This commit is contained in:
Wojciech Tyczynski
2016-08-16 13:59:08 +02:00
parent b42023eb03
commit f3c32673ec
3 changed files with 33 additions and 12 deletions
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38
hack/test-update-storage-objects.sh
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@@ -32,6 +32,9 @@ KUBE_NEW_API_VERSION=${KUBE_NEW_API_VERSION:-"v1"}
KUBE_OLD_STORAGE_VERSIONS=${KUBE_OLD_STORAGE_VERSIONs:-""}
KUBE_NEW_STORAGE_VERSIONS=${KUBE_NEW_STORAGE_VERSIONs:-""}
STORAGE_BACKEND_ETCD2="etcd2"
STORAGE_BACKEND_ETCD3="etcd3"
KUBE_STORAGE_MEDIA_TYPE_JSON="application/json"
KUBE_STORAGE_MEDIA_TYPE_PROTOBUF="application/vnd.kubernetes.protobuf"
@@ -43,13 +46,16 @@ API_HOST=${API_HOST:-127.0.0.1}
KUBE_API_VERSIONS=""
RUNTIME_CONFIG=""
ETCDCTL=$(which etcdctl)
KUBECTL="${KUBE_OUTPUT_HOSTBIN}/kubectl"
UPDATE_ETCD_OBJECTS_SCRIPT="${KUBE_ROOT}/cluster/update-storage-objects.sh"
function startApiServer() {
local storage_versions=${1:-""}
local storage_media_type=${2:-""}
local storage_backend=${1:-"${STORAGE_BACKEND_ETCD2}"}
local storage_versions=${2:-""}
local storage_media_type=${3:-""}
kube::log::status "Starting kube-apiserver with KUBE_API_VERSIONS: ${KUBE_API_VERSIONS}"
kube::log::status " and storage-backend: ${storage_backend}"
kube::log::status " and storage-media-type: ${storage_media_type}"
kube::log::status " and runtime-config: ${RUNTIME_CONFIG}"
kube::log::status " and storage-version overrides: ${storage_versions}"
@@ -59,8 +65,9 @@ function startApiServer() {
--insecure-bind-address="${API_HOST}" \
--bind-address="${API_HOST}" \
--insecure-port="${API_PORT}" \
--storage-backend="${storage_backend}" \
--etcd-servers="http://${ETCD_HOST}:${ETCD_PORT}" \
--etcd-prefix="${ETCD_PREFIX}" \
--etcd-prefix="/${ETCD_PREFIX}" \
--runtime-config="${RUNTIME_CONFIG}" \
--cert-dir="${TMPDIR:-/tmp/}" \
--service-cluster-ip-range="10.0.0.0/24" \
@@ -120,7 +127,7 @@ KUBE_NEW_STORAGE_VERSIONS="batch/v1,autoscaling/v1"
#######################################################
KUBE_API_VERSIONS="${KUBE_OLD_API_VERSION},${KUBE_NEW_API_VERSION}"
RUNTIME_CONFIG="api/all=false,api/${KUBE_OLD_API_VERSION}=true,api/${KUBE_NEW_API_VERSION}=true"
startApiServer ${KUBE_OLD_STORAGE_VERSIONS} ${KUBE_STORAGE_MEDIA_TYPE_JSON}
startApiServer ${STORAGE_BACKEND_ETCD2} ${KUBE_OLD_STORAGE_VERSIONS} ${KUBE_STORAGE_MEDIA_TYPE_JSON}
# Create object(s)
@@ -145,14 +152,27 @@ killApiServer
#######################################################
# Step 2: Start a server which supports both the old and new api versions,
# Step 2: Perform etcd2 -> etcd migration.
# We always perform offline migration, so we need to stop etcd.
#######################################################
kube::etcd::stop
TARGET_STORAGE="etcd3" \
DATA_DIRECTORY="${ETCD_DIR}" \
ETCDCTL=$(which etcdctl) \
${KUBE_ROOT}/cluster/images/etcd/migrate-if-needed.sh
kube::etcd::start
#######################################################
# Step 3: Start a server which supports both the old and new api versions,
# but KUBE_NEW_API_VERSION is the latest (storage) version.
# Still use KUBE_STORAGE_MEDIA_TYPE_JSON for storage encoding.
#######################################################
KUBE_API_VERSIONS="${KUBE_NEW_API_VERSION},${KUBE_OLD_API_VERSION}"
RUNTIME_CONFIG="api/all=false,api/${KUBE_OLD_API_VERSION}=true,api/${KUBE_NEW_API_VERSION}=true"
startApiServer ${KUBE_NEW_STORAGE_VERSIONS} ${KUBE_STORAGE_MEDIA_TYPE_JSON}
startApiServer ${STORAGE_BACKEND_ETCD3} ${KUBE_NEW_STORAGE_VERSIONS} ${KUBE_STORAGE_MEDIA_TYPE_JSON}
# Update etcd objects, so that will now be stored in the new api version.
kube::log::status "Updating storage versions in etcd"
@@ -167,14 +187,14 @@ for test in ${tests[@]}; do
new_storage_version=${test_data[5]}
kube::log::status "Verifying ${resource}/${namespace}/${name} has updated storage version ${new_storage_version} in etcd"
curl -s http://${ETCD_HOST}:${ETCD_PORT}/v2/keys/${ETCD_PREFIX}/${resource}/${namespace}/${name} | grep ${new_storage_version}
ETCDCTL_API=3 ${ETCDCTL} --endpoints="${ETCD_HOST}:${ETCD_PORT}" get "/${ETCD_PREFIX}/${resource}/${namespace}/${name}" | grep ${new_storage_version}
done
killApiServer
#######################################################
# Step 3 : Start a server which supports only the new api version.
# Step 4 : Start a server which supports only the new api version.
# However, change storage encoding to KUBE_STORAGE_MEDIA_TYPE_PROTOBUF.
#######################################################
@@ -183,7 +203,7 @@ RUNTIME_CONFIG="api/all=false,api/${KUBE_NEW_API_VERSION}=true"
# This seems to reduce flakiness.
sleep 1
startApiServer ${KUBE_NEW_STORAGE_VERSIONS} ${KUBE_STORAGE_MEDIA_TYPE_PROTOBUF}
startApiServer ${STORAGE_BACKEND_ETCD3} ${KUBE_NEW_STORAGE_VERSIONS} ${KUBE_STORAGE_MEDIA_TYPE_PROTOBUF}
for test in ${tests[@]}; do
IFS=',' read -ra test_data <<<"$test"