set +eux
-#installs kubernetes packages
+K8S_VERSION=1.30
+K8S_PACKAGE_VERSION="$K8S_VERSION".1-1.1
+
+# installs kubernetes packages
function install_kube() {
[ -z "${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 $2}'
- sudo apt-get update && sudo apt-get install -y apt-transport-https
- sudo apt-get update && sudo apt-get install -y apt-transport-https
- curl -fsSL https://packages.cloud.google.com/apt/doc/apt-key.gpg | sudo apt-key add -
- sudo add-apt-repository "deb https://apt.kubernetes.io/ kubernetes-xenial main"
- sudo apt-get update
+ sudo apt-get -y update && sudo apt-get install -y apt-transport-https ca-certificates curl
+ curl -fsSL https://pkgs.k8s.io/core:/stable:/v"$K8S_VERSION"/deb/Release.key | sudo gpg --dearmor -o /etc/apt/keyrings/kubernetes-apt-keyring.gpg
+ echo 'deb [signed-by=/etc/apt/keyrings/kubernetes-apt-keyring.gpg] https://pkgs.k8s.io/core:/stable:/v'$K8S_VERSION'/deb/ /' | sudo tee /etc/apt/sources.list.d/kubernetes.list
+ sudo apt-get -y update
echo "Installing Kubernetes Packages ..."
- sudo apt-get install -y kubelet=${K8S_VERSION} kubeadm=${K8S_VERSION} kubectl=${K8S_VERSION}
+ sudo apt-get install -y kubelet=${K8S_PACKAGE_VERSION} kubeadm=${K8S_PACKAGE_VERSION} kubectl=${K8S_PACKAGE_VERSION}
sudo apt-mark hold kubelet kubeadm kubectl
[ -z "${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
}
-#Install Helm v3
-function install_helm() {
- [ -z "${DEBUG_INSTALL}" ] || DEBUG beginning of function
- helm > /dev/null 2>&1
- if [ $? != 0 ] ; then
- # Helm is not installed. Install helm
- echo "Helm is not installed, installing ..."
- curl https://get.helm.sh/helm-v3.6.3-linux-amd64.tar.gz --output helm-v3.6.3.tar.gz
- tar -zxvf helm-v3.6.3.tar.gz
- sudo mv linux-amd64/helm /usr/local/bin/helm
- rm -r linux-amd64
- rm helm-v3.6.3.tar.gz
- helm repo add stable https://charts.helm.sh/stable
- helm repo update
- fi
- [ -z "${DEBUG_INSTALL}" ] || DEBUG end of function
-}
-
-function install_k8s_storageclass() {
- [ -z "${DEBUG_INSTALL}" ] || DEBUG beginning of function
- OPENEBS_VERSION="1.12.0"
- 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 "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() {
+# check and track kube packages installation
+function check_and_track_k8s_ready_before_helm() {
[ -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
- 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 ${OSM_DOCKER_WORK_DIR}/metallb-config.yaml
+ kubectl get events || FATAL_TRACK k8scluster "Failed getting events"
+ track k8scluster k8s_ready_before_helm
[ -z "${DEBUG_INSTALL}" ] || DEBUG end of function
}
-#checks openebs and metallb readiness
-function check_for_readiness() {
- [ -z "${DEBUG_INSTALL}" ] || DEBUG beginning of function
- # Default input values
- sampling_period=2 # seconds
- time_for_readiness=20 # seconds ready
- time_for_failure=200 # seconds broken
- OPENEBS_NAMESPACE=openebs
- METALLB_NAMESPACE=metallb-system
- # STACK_NAME=osm # By default, "osm"
-
- # Equivalent number of samples
- oks_threshold=$((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
+# 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
}
DEFAULT_IP="${OPTARG}"
;;
d)
- OSM_DOCKER_WORK_DIR="${OPTARG}"
+ OSM_CLUSTER_WORK_DIR="${OPTARG}"
;;
D)
OSM_DEVOPS="${OPTARG}"
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=$OSM_DOCKER_WORK_DIR"
-echo "INSTALL_K8S_MONITOR=$INSTALL_K8S_MONITOR"
+echo "OSM_CLUSTER_WORK_DIR=$OSM_CLUSTER_WORK_DIR"
echo "HOME=$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
-install_helm
-track install_helm
-install_k8s_storageclass
-track k8s_storageclass
-install_helm_metallb
-track k8s_metallb
-check_for_readiness
-track k8s_ready
+check_and_track_k8s_ready_before_helm
+
+remove_k8s_namespace osm
+
+# install_helm has been moved to install_helm_client.sh, run from full_install_osm.sh,
+# but tracking is still here because the installation analytics still expects it
+track k8scluster install_helm_ok
+# Installation of storage class, metallb and cert-manager has been moved
+# to install_cluster_addons.sh, run from full_install_osm.sh