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deploy: add wrapper function of kubectl
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Add retries to prevent ci failure instantly.
Now, the command execution will retry upto
5 times, to avoid failures in some runs.

Signed-off-by: Yug <yuggupta27@gmail.com>
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@Yuggupta27 @mergify
Yuggupta27 authored and mergify[bot] committed Aug 7, 2020
1 parent d8df06e commit 23e0874
Showing 1 changed file with 37 additions and 20 deletions.
57 changes: 37 additions & 20 deletions scripts/rook.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -5,14 +5,31 @@ ROOK_DEPLOY_TIMEOUT=${ROOK_DEPLOY_TIMEOUT:-300}
ROOK_URL="https://raw.githubusercontent.com/rook/rook/${ROOK_VERSION}/cluster/examples/kubernetes/ceph"
ROOK_BLOCK_POOL_NAME=${ROOK_BLOCK_POOL_NAME:-"newrbdpool"}
ROOK_CEPH_CLUSTER_VERSION="v14.2.10"
KUBECTL_RETRY=5
KUBECTL_RETRY_DELAY=10

rook_version() {
echo "${ROOK_VERSION#v}" | cut -d'.' -f"${1}"
}

kubectl_retry() {
local retries=0

while ! kubectl "${@}"
do
retries=$((retries+1))
if [ ${retries} -eq ${KUBECTL_RETRY} ]
then
return 1
fi
sleep ${KUBECTL_RETRY_DELAY}
done
return 0
}

function deploy_rook() {
kubectl create -f "${ROOK_URL}/common.yaml"
kubectl create -f "${ROOK_URL}/operator.yaml"
kubectl_retry create -f "${ROOK_URL}/common.yaml"
kubectl_retry create -f "${ROOK_URL}/operator.yaml"
# find out the rook version to decide on the ceph cluster image to be used
ROOK_MAJOR=$(rook_version 1)
ROOK_MINOR=$(rook_version 2)
Expand All @@ -23,7 +40,7 @@ function deploy_rook() {
curl -o "${TEMP_DIR}"/cluster-test.yaml "${ROOK_URL}/cluster-test.yaml"
sed -i "s|image.*|${ROOK_CEPH_CLUSTER_VERSION_IMAGE_PATH}|g" "${TEMP_DIR}"/cluster-test.yaml
cat "${TEMP_DIR}"/cluster-test.yaml
kubectl create -f "${TEMP_DIR}/cluster-test.yaml"
kubectl_retry create -f "${TEMP_DIR}/cluster-test.yaml"
rm -rf "${TEMP_DIR}"
else
# add "mon_warn_on_pool_no_redundancy = false" to ceph.conf if missing
Expand All @@ -33,26 +50,26 @@ function deploy_rook() {
if ! grep -q mon_warn_on_pool_no_redundancy "${TEMP_DIR}"/cluster-test.yaml; then
sed -i '/osd_pool_default_size =/a \ mon_warn_on_pool_no_redundancy = false' "${TEMP_DIR}"/cluster-test.yaml
fi
kubectl create -f "${TEMP_DIR}/cluster-test.yaml"
kubectl_retry create -f "${TEMP_DIR}/cluster-test.yaml"
rm -rf "${TEMP_DIR}"
fi

kubectl create -f "${ROOK_URL}/toolbox.yaml"
kubectl create -f "${ROOK_URL}/filesystem-test.yaml"
kubectl create -f "${ROOK_URL}/pool-test.yaml"
kubectl_retry create -f "${ROOK_URL}/toolbox.yaml"
kubectl_retry create -f "${ROOK_URL}/filesystem-test.yaml"
kubectl_retry create -f "${ROOK_URL}/pool-test.yaml"

# Check if CephCluster is empty
if ! kubectl -n rook-ceph get cephclusters -oyaml | grep 'items: \[\]' &>/dev/null; then
if ! kubectl_retry -n rook-ceph get cephclusters -oyaml | grep 'items: \[\]' &>/dev/null; then
check_ceph_cluster_health
fi

# Check if CephFileSystem is empty
if ! kubectl -n rook-ceph get cephfilesystems -oyaml | grep 'items: \[\]' &>/dev/null; then
if ! kubectl_retry -n rook-ceph get cephfilesystems -oyaml | grep 'items: \[\]' &>/dev/null; then
check_mds_stat
fi

# Check if CephBlockPool is empty
if ! kubectl -n rook-ceph get cephblockpools -oyaml | grep 'items: \[\]' &>/dev/null; then
if ! kubectl_retry -n rook-ceph get cephblockpools -oyaml | grep 'items: \[\]' &>/dev/null; then
check_rbd_stat ""
fi
}
Expand All @@ -69,7 +86,7 @@ function teardown_rook() {
function create_block_pool() {
curl -o newpool.yaml "${ROOK_URL}/pool-test.yaml"
sed -i "s/replicapool/$ROOK_BLOCK_POOL_NAME/g" newpool.yaml
kubectl create -f "./newpool.yaml"
kubectl_retry create -f "./newpool.yaml"
rm -f "./newpool.yaml"

check_rbd_stat "$ROOK_BLOCK_POOL_NAME"
Expand All @@ -86,8 +103,8 @@ function check_ceph_cluster_health() {
for ((retry = 0; retry <= ROOK_DEPLOY_TIMEOUT; retry = retry + 5)); do
echo "Wait for rook deploy... ${retry}s" && sleep 5

CEPH_STATE=$(kubectl -n rook-ceph get cephclusters -o jsonpath='{.items[0].status.state}')
CEPH_HEALTH=$(kubectl -n rook-ceph get cephclusters -o jsonpath='{.items[0].status.ceph.health}')
CEPH_STATE=$(kubectl_retry -n rook-ceph get cephclusters -o jsonpath='{.items[0].status.state}')
CEPH_HEALTH=$(kubectl_retry -n rook-ceph get cephclusters -o jsonpath='{.items[0].status.ceph.health}')
echo "Checking CEPH cluster state: [$CEPH_STATE]"
if [ "$CEPH_STATE" = "Created" ]; then
if [ "$CEPH_HEALTH" = "HEALTH_OK" ]; then
Expand All @@ -106,17 +123,17 @@ function check_ceph_cluster_health() {

function check_mds_stat() {
for ((retry = 0; retry <= ROOK_DEPLOY_TIMEOUT; retry = retry + 5)); do
FS_NAME=$(kubectl -n rook-ceph get cephfilesystems.ceph.rook.io -ojsonpath='{.items[0].metadata.name}')
FS_NAME=$(kubectl_retry -n rook-ceph get cephfilesystems.ceph.rook.io -ojsonpath='{.items[0].metadata.name}')
echo "Checking MDS ($FS_NAME) stats... ${retry}s" && sleep 5

ACTIVE_COUNT=$(kubectl -n rook-ceph get cephfilesystems myfs -ojsonpath='{.spec.metadataServer.activeCount}')
ACTIVE_COUNT=$(kubectl_retry -n rook-ceph get cephfilesystems myfs -ojsonpath='{.spec.metadataServer.activeCount}')

ACTIVE_COUNT_NUM=$((ACTIVE_COUNT + 0))
echo "MDS ($FS_NAME) active_count: [$ACTIVE_COUNT_NUM]"
if ((ACTIVE_COUNT_NUM < 1)); then
continue
else
if kubectl -n rook-ceph get pod -l rook_file_system=myfs | grep Running &>/dev/null; then
if kubectl_retry -n rook-ceph get pod -l rook_file_system=myfs | grep Running &>/dev/null; then
echo "Filesystem ($FS_NAME) is successfully created..."
break
fi
Expand All @@ -133,18 +150,18 @@ function check_mds_stat() {
function check_rbd_stat() {
for ((retry = 0; retry <= ROOK_DEPLOY_TIMEOUT; retry = retry + 5)); do
if [ -z "$1" ]; then
RBD_POOL_NAME=$(kubectl -n rook-ceph get cephblockpools -ojsonpath='{.items[0].metadata.name}')
RBD_POOL_NAME=$(kubectl_retry -n rook-ceph get cephblockpools -ojsonpath='{.items[0].metadata.name}')
else
RBD_POOL_NAME=$1
fi
echo "Checking RBD ($RBD_POOL_NAME) stats... ${retry}s" && sleep 5

TOOLBOX_POD=$(kubectl -n rook-ceph get pods -l app=rook-ceph-tools -o jsonpath='{.items[0].metadata.name}')
TOOLBOX_POD_STATUS=$(kubectl -n rook-ceph get pod "$TOOLBOX_POD" -ojsonpath='{.status.phase}')
TOOLBOX_POD=$(kubectl_retry -n rook-ceph get pods -l app=rook-ceph-tools -o jsonpath='{.items[0].metadata.name}')
TOOLBOX_POD_STATUS=$(kubectl_retry -n rook-ceph get pod "$TOOLBOX_POD" -ojsonpath='{.status.phase}')
[[ "$TOOLBOX_POD_STATUS" != "Running" ]] && \
{ echo "Toolbox POD ($TOOLBOX_POD) status: [$TOOLBOX_POD_STATUS]"; continue; }

if kubectl exec -n rook-ceph "$TOOLBOX_POD" -it -- rbd pool stats "$RBD_POOL_NAME" &>/dev/null; then
if kubectl_retry exec -n rook-ceph "$TOOLBOX_POD" -it -- rbd pool stats "$RBD_POOL_NAME" &>/dev/null; then
echo "RBD ($RBD_POOL_NAME) is successfully created..."
break
fi
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