-#checks openebs and metallb readiness
-function check_for_readiness() {
- [ -z "${DEBUG_INSTALL}" ] || DEBUG beginning of function
- # Default input values
- sampling_period=2 # seconds
- time_for_readiness=20 # seconds ready
- time_for_failure=200 # seconds broken
- OPENEBS_NAMESPACE=openebs
- METALLB_NAMESPACE=metallb-system
- # STACK_NAME=osm # By default, "osm"
-
- # Equivalent number of samples
- oks_threshold=$((time_for_readiness/${sampling_period})) # No. ok samples to declare the system ready
- failures_threshold=$((time_for_failure/${sampling_period})) # No. nok samples to declare the system broken
- failures_in_a_row=0
- oks_in_a_row=0
-
- ####################################################################################
- # Loop to check system readiness
- ####################################################################################
- while [[ (${failures_in_a_row} -lt ${failures_threshold}) && (${oks_in_a_row} -lt ${oks_threshold}) ]]
- do
- # State of OpenEBS
- OPENEBS_STATE=$(kubectl get pod -n ${OPENEBS_NAMESPACE} --no-headers 2>&1)
- OPENEBS_READY=$(echo "${OPENEBS_STATE}" | awk '$2=="1/1" || $2=="2/2" {printf ("%s\t%s\t\n", $1, $2)}')
- OPENEBS_NOT_READY=$(echo "${OPENEBS_STATE}" | awk '$2!="1/1" && $2!="2/2" {printf ("%s\t%s\t\n", $1, $2)}')
- COUNT_OPENEBS_READY=$(echo "${OPENEBS_READY}"| grep -v -e '^$' | wc -l)
- COUNT_OPENEBS_NOT_READY=$(echo "${OPENEBS_NOT_READY}" | grep -v -e '^$' | wc -l)
-
- # State of MetalLB
- METALLB_STATE=$(kubectl get pod -n ${METALLB_NAMESPACE} --no-headers 2>&1)
- METALLB_READY=$(echo "${METALLB_STATE}" | awk '$2=="1/1" || $2=="2/2" {printf ("%s\t%s\t\n", $1, $2)}')
- METALLB_NOT_READY=$(echo "${METALLB_STATE}" | awk '$2!="1/1" && $2!="2/2" {printf ("%s\t%s\t\n", $1, $2)}')
- COUNT_METALLB_READY=$(echo "${METALLB_READY}" | grep -v -e '^$' | wc -l)
- COUNT_METALLB_NOT_READY=$(echo "${METALLB_NOT_READY}" | grep -v -e '^$' | wc -l)
-
- # OK sample
- if [[ $((${COUNT_OPENEBS_NOT_READY}+${COUNT_METALLB_NOT_READY})) -eq 0 ]]
- then
- ((++oks_in_a_row))
- failures_in_a_row=0
- echo -ne ===\> Successful checks: "${oks_in_a_row}"/${oks_threshold}\\r
- # NOK sample
- else
- ((++failures_in_a_row))
- oks_in_a_row=0
- echo
- echo Bootstraping... "${failures_in_a_row}" checks of ${failures_threshold}
-
- # Reports failed pods in OpenEBS
- if [[ "${COUNT_OPENEBS_NOT_READY}" -ne 0 ]]
- then
- echo "OpenEBS: Waiting for ${COUNT_OPENEBS_NOT_READY} of $((${COUNT_OPENEBS_NOT_READY}+${COUNT_OPENEBS_READY})) pods to be ready:"
- echo "${OPENEBS_NOT_READY}"
- echo
- fi
-
- # Reports failed statefulsets
- if [[ "${COUNT_METALLB_NOT_READY}" -ne 0 ]]
- then
- echo "MetalLB: Waiting for ${COUNT_METALLB_NOT_READY} of $((${COUNT_METALLB_NOT_READY}+${COUNT_METALLB_READY})) pods to be ready:"
- echo "${METALLB_NOT_READY}"
- echo
- fi
- fi
-
- #------------ NEXT SAMPLE
- sleep ${sampling_period}
- done
-
- ####################################################################################
- # OUTCOME
- ####################################################################################
- if [[ (${failures_in_a_row} -ge ${failures_threshold}) ]]
- then
- echo
- FATAL "K8S CLUSTER IS BROKEN"
- else
- echo
- echo "K8S CLUSTER IS READY"
- fi
- [ -z "${DEBUG_INSTALL}" ] || DEBUG end of function
-}
-
-#removes osm deployments and services