X-Git-Url: https://osm.etsi.org/gitweb/?p=osm%2Fdevops.git;a=blobdiff_plain;f=installers%2Finstall_cluster_addons.sh;fp=installers%2Finstall_cluster_addons.sh;h=a2bc366a417a887cd4489e3508eece1adabeb5f6;hp=0000000000000000000000000000000000000000;hb=41f5ce501984dcb38c25822f26d4c329d0983308;hpb=2886e571e871586adbcb3da091110da188722ccd

diff --git a/installers/install_cluster_addons.sh b/installers/install_cluster_addons.sh
new file mode 100755
index 00000000..a2bc366a
--- /dev/null
+++ b/installers/install_cluster_addons.sh
@@ -0,0 +1,238 @@
+#!/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