--- /dev/null
+#!/bin/bash
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+set +eux
+
+function install_k8s_storageclass() {
+ [ -z "${DEBUG_INSTALL}" ] || DEBUG beginning of function
+ # Openebs versions can be found here: https://github.com/openebs/openebs/releases
+ OPENEBS_VERSION="3.7.0"
+ echo "Installing OpenEBS"
+ helm repo add openebs https://openebs.github.io/charts
+ helm repo update
+ helm install --create-namespace --namespace openebs openebs openebs/openebs --version ${OPENEBS_VERSION}
+ helm ls -n openebs
+ local storageclass_timeout=400
+ local counter=0
+ local storageclass_ready=""
+ echo "Waiting for storageclass"
+ while (( counter < storageclass_timeout ))
+ do
+ kubectl get storageclass openebs-hostpath &> /dev/null
+
+ if [ $? -eq 0 ] ; then
+ echo "Storageclass available"
+ storageclass_ready="y"
+ break
+ else
+ counter=$((counter + 15))
+ sleep 15
+ fi
+ done
+ [ -n "$storageclass_ready" ] || FATAL_TRACK k8scluster "Storageclass not ready after $storageclass_timeout seconds. Cannot install openebs"
+ kubectl patch storageclass openebs-hostpath -p '{"metadata": {"annotations":{"storageclass.kubernetes.io/is-default-class":"true"}}}'
+ [ -z "${DEBUG_INSTALL}" ] || DEBUG end of function
+}
+
+#installs metallb from helm
+function install_helm_metallb() {
+ [ -z "${DEBUG_INSTALL}" ] || DEBUG beginning of function
+ echo "Installing MetalLB"
+ METALLB_VERSION="0.13.10"
+ helm repo add metallb https://metallb.github.io/metallb
+ helm repo update
+ helm install --create-namespace --namespace metallb-system metallb metallb/metallb --version ${METALLB_VERSION}
+ [ -z "${DEBUG_INSTALL}" ] || DEBUG end of function
+}
+
+function configure_ipaddresspool_metallb() {
+ [ -z "${DEBUG_INSTALL}" ] || DEBUG beginning of function
+ echo "Creating IP address pool manifest: ${OSM_CLUSTER_WORK_DIR}/metallb-ipaddrpool.yaml"
+ METALLB_IP_RANGE="$DEFAULT_IP/32"
+ echo "apiVersion: metallb.io/v1beta1
+kind: IPAddressPool
+metadata:
+ name: first-pool
+ namespace: metallb-system
+spec:
+ addresses:
+ - ${METALLB_IP_RANGE}" | sudo tee -a ${OSM_CLUSTER_WORK_DIR}/metallb-ipaddrpool.yaml
+ echo "Applying IP address pool manifest: kubectl apply -f ${OSM_CLUSTER_WORK_DIR}/metallb-ipaddrpool.yaml"
+ kubectl apply -f ${OSM_CLUSTER_WORK_DIR}/metallb-ipaddrpool.yaml || FATAL_TRACK k8scluster "Cannot create IP address Pool in MetalLB"
+ [ -z "${DEBUG_INSTALL}" ] || DEBUG end of function
+}
+
+#installs cert-manager
+function install_helm_certmanager() {
+ [ -z "${DEBUG_INSTALL}" ] || DEBUG beginning of function
+ echo "Installing cert-manager"
+ CERTMANAGER_VERSION="v1.9.1"
+ helm repo add jetstack https://charts.jetstack.io
+ helm repo update
+ helm install cert-manager --create-namespace --namespace cert-manager jetstack/cert-manager \
+ --version ${CERTMANAGER_VERSION} --set installCRDs=true --set prometheus.enabled=false \
+ --set clusterResourceNamespace=osm \
+ --set extraArgs="{--enable-certificate-owner-ref=true}"
+ [ -z "${DEBUG_INSTALL}" ] || DEBUG end of function
+}
+
+#checks openebs and metallb readiness
+function check_for_readiness() {
+ [ -z "${DEBUG_INSTALL}" ] || DEBUG beginning of function
+ # Default input values
+ sampling_period=2 # seconds
+ time_for_readiness=20 # seconds ready
+ time_for_failure=200 # seconds broken
+ OPENEBS_NAMESPACE=openebs
+ METALLB_NAMESPACE=metallb-system
+ CERTMANAGER_NAMESPACE=cert-manager
+ # STACK_NAME=osm # By default, "osm"
+
+ # Equivalent number of samples
+ oks_threshold=$((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=="4/4" {printf ("%s\t%s\t\n", $1, $2)}')
+ METALLB_NOT_READY=$(echo "${METALLB_STATE}" | awk '$2!="1/1" && $2!="4/4" {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 '^$' | wc -l)
+
+ # State of CertManager
+ CERTMANAGER_STATE=$(kubectl get pod -n ${CERTMANAGER_NAMESPACE} --no-headers 2>&1)
+ CERTMANAGER_READY=$(echo "${CERTMANAGER_STATE}" | awk '$2=="1/1" || $2=="2/2" {printf ("%s\t%s\t\n", $1, $2)}')
+ CERTMANAGER_NOT_READY=$(echo "${CERTMANAGER_STATE}" | awk '$2!="1/1" && $2!="2/2" {printf ("%s\t%s\t\n", $1, $2)}')
+ COUNT_CERTMANAGER_READY=$(echo "${CERTMANAGER_READY}" | grep -v -e '^$' | wc -l)
+ COUNT_CERTMANAGER_NOT_READY=$(echo "${CERTMANAGER_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 pods in MetalLB
+ 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
+
+ # Reports failed pods in CertManager
+ if [[ "${COUNT_CERTMANAGER_NOT_READY}" -ne 0 ]]
+ then
+ echo "CertManager: Waiting for ${COUNT_CERTMANAGER_NOT_READY} of $((${COUNT_CERTMANAGER_NOT_READY}+${COUNT_CERTMANAGER_READY})) pods to be ready:"
+ echo "${CERTMANAGER_NOT_READY}"
+ echo
+ fi
+ fi
+
+ #------------ NEXT SAMPLE
+ sleep ${sampling_period}
+ done
+
+ ####################################################################################
+ # OUTCOME
+ ####################################################################################
+ if [[ (${failures_in_a_row} -ge ${failures_threshold}) ]]
+ then
+ echo
+ FATAL_TRACK k8scluster "K8S CLUSTER IS BROKEN"
+ else
+ echo
+ echo "K8S CLUSTER IS READY"
+ fi
+ [ -z "${DEBUG_INSTALL}" ] || DEBUG end of function
+}
+
+# main
+while getopts ":D:d:i:-: " o; do
+ case "${o}" in
+ i)
+ DEFAULT_IP="${OPTARG}"
+ ;;
+ d)
+ OSM_CLUSTER_WORK_DIR="${OPTARG}"
+ ;;
+ D)
+ OSM_DEVOPS="${OPTARG}"
+ ;;
+ -)
+ [ "${OPTARG}" == "debug" ] && DEBUG_INSTALL="y" && continue
+ echo -e "Invalid option: '--$OPTARG'\n" >&2
+ exit 1
+ ;;
+ :)
+ echo "Option -$OPTARG requires an argument" >&2
+ exit 1
+ ;;
+ \?)
+ echo -e "Invalid option: '-$OPTARG'\n" >&2
+ exit 1
+ ;;
+ *)
+ exit 1
+ ;;
+ esac
+done
+
+source $OSM_DEVOPS/common/logging
+source $OSM_DEVOPS/common/track
+
+echo "DEBUG_INSTALL=$DEBUG_INSTALL"
+echo "DEFAULT_IP=$DEFAULT_IP"
+echo "OSM_DEVOPS=$OSM_DEVOPS"
+echo "OSM_CLUSTER_WORK_DIR=$OSM_CLUSTER_WORK_DIR"
+
+install_k8s_storageclass
+track k8scluster k8s_storageclass_ok
+install_helm_metallb
+track k8scluster k8s_metallb_ok
+install_helm_certmanager
+track k8scluster k8s_certmanager_ok
+check_for_readiness
+track k8scluster k8s_ready_ok
+configure_ipaddresspool_metallb
projects / osm / devops.git / commitdiff