X-Git-Url: https://osm.etsi.org/gitweb/?a=blobdiff_plain;f=installers%2Finstall_kubeadm_cluster.sh;h=015cfa4d96d3d564b47a2e99007ac6eca3baf9f8;hb=a621368d4d043ff4222cb1ce9174e77aa4e094c6;hp=1e72f37297ab6835051f0306bee6c9a266f5ee01;hpb=0bc87527a95d1c5afc7725981ef0a2e3f55fd274;p=osm%2Fdevops.git diff --git a/installers/install_kubeadm_cluster.sh b/installers/install_kubeadm_cluster.sh index 1e72f372..015cfa4d 100755 --- a/installers/install_kubeadm_cluster.sh +++ b/installers/install_kubeadm_cluster.sh @@ -15,84 +15,125 @@ set +eux -#installs kubernetes packages +K8S_VERSION=1.26.5-00 + +# installs kubernetes packages function install_kube() { [ -z "${DEBUG_INSTALL}" ] || DEBUG beginning of function - K8S_VERSION=1.20.11-00 + # Kubernetes releases can be found here: https://kubernetes.io/releases/ # To check other available versions, run the following command # curl -s https://packages.cloud.google.com/apt/dists/kubernetes-xenial/main/binary-amd64/Packages | grep Version | awk '{print $2}' - sudo apt-get update && sudo apt-get install -y apt-transport-https - sudo apt-get update && sudo apt-get install -y apt-transport-https - curl -fsSL https://packages.cloud.google.com/apt/doc/apt-key.gpg | sudo apt-key add - - sudo add-apt-repository "deb https://apt.kubernetes.io/ kubernetes-xenial main" - sudo apt-get update + sudo apt-get -y update && sudo apt-get install -y apt-transport-https ca-certificates curl + sudo install -m 0755 -d /etc/apt/keyrings + curl -fsSL https://packages.cloud.google.com/apt/doc/apt-key.gpg | sudo gpg --dearmor -o /etc/apt/keyrings/kubernetes-archive-keyring.gpg + echo "deb [signed-by=/etc/apt/keyrings/kubernetes-archive-keyring.gpg] https://apt.kubernetes.io/ kubernetes-xenial main" | sudo tee /etc/apt/sources.list.d/kubernetes.list + sudo apt-get -y update echo "Installing Kubernetes Packages ..." sudo apt-get install -y kubelet=${K8S_VERSION} kubeadm=${K8S_VERSION} kubectl=${K8S_VERSION} sudo apt-mark hold kubelet kubeadm kubectl [ -z "${DEBUG_INSTALL}" ] || DEBUG end of function } -#initializes kubernetes control plane +# check and track kube packages installation +function check_and_track_kube_install() { + [ -z "${DEBUG_INSTALL}" ] || DEBUG beginning of function + kubelet_version=$(dpkg -s kubelet|grep Version|awk '{print $2}') + [ -n "${kubelet_version}" ] || FATAL_TRACK k8scluster "Kubelet was not installed." + kubeadm_version=$(dpkg -s kubeadm|grep Version|awk '{print $2}') + [ -n "${kubeadm_version}" ] || FATAL_TRACK k8scluster "Kubeadm was not installed." + kubectl_version=$(dpkg -s kubectl|grep Version|awk '{print $2}') + [ -n "${kubectl_version}" ] || FATAL_TRACK k8scluster "Kubectl was not installed." + track k8scluster install_k8s_ok none none none kubelet ${kubelet_version} none none kubeadm ${kubeadm_version} none none kubectl ${kubectl_version} none none + [ -z "${DEBUG_INSTALL}" ] || DEBUG end of function +} + +# initializes kubernetes control plane function init_kubeadm() { [ -z "${DEBUG_INSTALL}" ] || DEBUG beginning of function sudo swapoff -a sudo sed -i.bak '/.*none.*swap/s/^\(.*\)$/#\1/g' /etc/fstab + sudo kubeadm init --config $1 --dry-run || FATAL_TRACK k8scluster "kubeadm init dry-run failed" sudo kubeadm init --config $1 sleep 5 [ -z "${DEBUG_INSTALL}" ] || DEBUG end of function } +# Initializes kubeconfig file function kube_config_dir() { [ -z "${DEBUG_INSTALL}" ] || DEBUG beginning of function K8S_MANIFEST_DIR="/etc/kubernetes/manifests" - [ ! -d $K8S_MANIFEST_DIR ] && FATAL "Cannot Install Kubernetes" + [ ! -d $K8S_MANIFEST_DIR ] && FATAL_TRACK k8scluster "Kubernetes folder $K8S_MANIFEST_DIR was not found" mkdir -p $HOME/.kube sudo cp /etc/kubernetes/admin.conf $HOME/.kube/config sudo chown $(id -u):$(id -g) $HOME/.kube/config [ -z "${DEBUG_INSTALL}" ] || DEBUG end of function } -#deploys flannel as daemonsets +# test kubernetes installation +function check_and_track_init_k8s() { + [ -z "${DEBUG_INSTALL}" ] || DEBUG beginning of function + echo "Reading existing namespaces" + kubectl get ns || FATAL_TRACK k8scluster "Failed getting namespaces" + track k8scluster init_k8s_ok + [ -z "${DEBUG_INSTALL}" ] || DEBUG end of function +} + +# deploys flannel as daemonsets function deploy_cni_provider() { [ -z "${DEBUG_INSTALL}" ] || DEBUG beginning of function CNI_DIR="$(mktemp -d -q --tmpdir "flannel.XXXXXX")" trap 'rm -rf "${CNI_DIR}"' EXIT - wget -q https://raw.githubusercontent.com/coreos/flannel/master/Documentation/kube-flannel.yml -P $CNI_DIR + KUBE_FLANNEL_FILE_URL="https://raw.githubusercontent.com/coreos/flannel/master/Documentation/kube-flannel.yml" + wget --retry-on-host-error --retry-on-http-error 404,429,503 --tries=5 "${KUBE_FLANNEL_FILE_URL}" -P $CNI_DIR + [ ! -f $CNI_DIR/kube-flannel.yml ] && FATAL_TRACK k8scluster "Cannot Install Flannel because $CNI_DIR/kube-flannel.yml was not found. Maybe the file ${KUBE_FLANNEL_FILE_URL} is temporarily not accessible" kubectl apply -f $CNI_DIR - [ $? -ne 0 ] && FATAL "Cannot Install Flannel" + [ $? -ne 0 ] && FATAL_TRACK k8scluster "Cannot Install Flannel" [ -z "${DEBUG_INSTALL}" ] || DEBUG end of function } -#taints K8s master node +# taints K8s master node function taint_master_node() { [ -z "${DEBUG_INSTALL}" ] || DEBUG beginning of function - K8S_MASTER=$(kubectl get nodes | awk '$3~/master/'| awk '{print $1}') - kubectl taint node $K8S_MASTER node-role.kubernetes.io/master:NoSchedule- + K8S_MASTER=$(kubectl get nodes | awk '$3~/control-plane/'| awk '{print $1; exit}') + kubectl taint node $K8S_MASTER node-role.kubernetes.io/control-plane:NoSchedule- sleep 5 [ -z "${DEBUG_INSTALL}" ] || DEBUG end of function } +# check and track kube packages installation +function check_and_track_k8s_ready_before_helm() { + [ -z "${DEBUG_INSTALL}" ] || DEBUG beginning of function + kubectl get events || FATAL_TRACK k8scluster "Failed getting events" + track k8scluster k8s_ready_before_helm + [ -z "${DEBUG_INSTALL}" ] || DEBUG end of function +} + #Install Helm v3 +#Helm releases can be found here: https://github.com/helm/helm/releases function install_helm() { [ -z "${DEBUG_INSTALL}" ] || DEBUG beginning of function - helm > /dev/null 2>&1 - if [ $? != 0 ] ; then + HELM_VERSION="v3.11.3" + if ! [[ "$(helm version --short 2>/dev/null)" =~ ^v3.* ]]; then # Helm is not installed. Install helm - echo "Helm is not installed, installing ..." - curl https://get.helm.sh/helm-v3.6.3-linux-amd64.tar.gz --output helm-v3.6.3.tar.gz - tar -zxvf helm-v3.6.3.tar.gz + echo "Helm3 is not installed, installing ..." + curl https://get.helm.sh/helm-${HELM_VERSION}-linux-amd64.tar.gz --output helm-${HELM_VERSION}.tar.gz + tar -zxvf helm-${HELM_VERSION}.tar.gz sudo mv linux-amd64/helm /usr/local/bin/helm rm -r linux-amd64 - rm helm-v3.6.3.tar.gz - helm repo add stable https://charts.helm.sh/stable - helm repo update + rm helm-${HELM_VERSION}.tar.gz + else + echo "Helm3 is already installed. Skipping installation..." fi + helm version || FATAL_TRACK k8scluster "Could not obtain helm version. Maybe helm client was not installed" + helm repo add stable https://charts.helm.sh/stable || FATAL_TRACK k8scluster "Helm repo stable could not be added" + helm repo update || FATAL_TRACK k8scluster "Helm repo stable could not be updated" [ -z "${DEBUG_INSTALL}" ] || DEBUG end of function } function install_k8s_storageclass() { [ -z "${DEBUG_INSTALL}" ] || DEBUG beginning of function - OPENEBS_VERSION="1.12.0" + # 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 @@ -115,7 +156,7 @@ function install_k8s_storageclass() { sleep 15 fi done - [ -n "$storageclass_ready" ] || FATAL "Storageclass not ready after $storageclass_timeout seconds. Cannot install openebs" + [ -n "$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 } @@ -124,17 +165,41 @@ function install_k8s_storageclass() { function install_helm_metallb() { [ -z "${DEBUG_INSTALL}" ] || DEBUG beginning of function echo "Installing MetalLB" - METALLB_VERSION="0.11.0" - METALLB_IP_RANGE="$DEFAULT_IP/32" - echo "configInline: - address-pools: - - name: default - protocol: layer2 - addresses: - - $METALLB_IP_RANGE" | sudo tee -a ${OSM_DOCKER_WORK_DIR}/metallb-config.yaml + 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} -f ${OSM_DOCKER_WORK_DIR}/metallb-config.yaml + 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 } @@ -169,11 +234,18 @@ function check_for_readiness() { # 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, $2)}') + METALLB_READY=$(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}+${COUNT_METALLB_NOT_READY})) -eq 0 ]] then @@ -195,13 +267,21 @@ function check_for_readiness() { echo fi - # Reports failed statefulsets + # Reports failed pods in MetalLB if [[ "${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 @@ -214,7 +294,7 @@ function check_for_readiness() { if [[ (${failures_in_a_row} -ge ${failures_threshold}) ]] then echo - FATAL "K8S CLUSTER IS BROKEN" + FATAL_TRACK k8scluster "K8S CLUSTER IS BROKEN" else echo echo "K8S CLUSTER IS READY" @@ -225,7 +305,8 @@ function check_for_readiness() { #removes osm deployments and services function remove_k8s_namespace() { [ -z "${DEBUG_INSTALL}" ] || DEBUG beginning of function - kubectl delete ns $1 + echo "Deleting existing namespace $1: kubectl delete ns $1" + kubectl delete ns $1 2>/dev/null [ -z "${DEBUG_INSTALL}" ] || DEBUG end of function } @@ -236,7 +317,7 @@ while getopts ":D:d:i:-: " o; do DEFAULT_IP="${OPTARG}" ;; d) - OSM_DOCKER_WORK_DIR="${OPTARG}" + OSM_CLUSTER_WORK_DIR="${OPTARG}" ;; D) OSM_DEVOPS="${OPTARG}" @@ -266,31 +347,37 @@ source $OSM_DEVOPS/common/track echo "DEBUG_INSTALL=$DEBUG_INSTALL" echo "DEFAULT_IP=$DEFAULT_IP" echo "OSM_DEVOPS=$OSM_DEVOPS" -echo "OSM_DOCKER_WORK_DIR=$OSM_DOCKER_WORK_DIR" +echo "OSM_CLUSTER_WORK_DIR=$OSM_CLUSTER_WORK_DIR" echo "INSTALL_K8S_MONITOR=$INSTALL_K8S_MONITOR" echo "HOME=$HOME" +echo "Creating folders for installation" +[ ! -d "$OSM_CLUSTER_WORK_DIR" ] && sudo mkdir -p $OSM_CLUSTER_WORK_DIR +echo "Copying kubeadm-config from $OSM_DEVOPS/installers/kubeadm-config.yaml to $OSM_CLUSTER_WORK_DIR/kubeadm-config.yaml" +sudo cp -b $OSM_DEVOPS/installers/kubeadm-config.yaml $OSM_CLUSTER_WORK_DIR/kubeadm-config.yaml install_kube -track install_k8s -init_kubeadm $OSM_DOCKER_WORK_DIR/cluster-config.yaml +check_and_track_kube_install + +init_kubeadm $OSM_CLUSTER_WORK_DIR/kubeadm-config.yaml kube_config_dir -track init_k8s -if [ -n "$INSTALL_K8S_MONITOR" ]; then - # uninstall OSM MONITORING - uninstall_k8s_monitoring - track uninstall_k8s_monitoring -fi -#remove old namespace -remove_k8s_namespace osm +check_and_track_init_k8s + deploy_cni_provider taint_master_node +check_and_track_k8s_ready_before_helm + +remove_k8s_namespace osm + install_helm -track install_helm +track k8scluster install_helm_ok + install_k8s_storageclass -track k8s_storageclass +track k8scluster k8s_storageclass_ok install_helm_metallb -track k8s_metallb +track k8scluster k8s_metallb_ok +install_helm_certmanager +track k8scluster k8s_certmanager_ok check_for_readiness -track k8s_ready - +track k8scluster k8s_ready_ok +configure_ipaddresspool_metallb