-function generate_osmclient_script () {
- echo "docker run -ti --network net${OSM_STACK_NAME} ${DOCKER_REGISTRY_URL}${DOCKER_USER}/osmclient:${OSM_DOCKER_TAG}" | $WORKDIR_SUDO tee $OSM_DOCKER_WORK_DIR/osm
- $WORKDIR_SUDO chmod +x "$OSM_DOCKER_WORK_DIR/osm"
- echo "osmclient sidecar container can be found at: $OSM_DOCKER_WORK_DIR/osm"
-}
-
-#installs kubernetes packages
-function install_kube() {
- sudo apt-get update && sudo apt-get install -y apt-transport-https
- curl -fsSL https://packages.cloud.google.com/apt/doc/apt-key.gpg | sudo apt-key add -
- sudo add-apt-repository "deb https://apt.kubernetes.io/ kubernetes-xenial main"
- sudo apt-get update
- echo "Installing Kubernetes Packages ..."
- K8S_VERSION=1.20.11-00
- sudo apt-get install -y kubelet=${K8S_VERSION} kubeadm=${K8S_VERSION} kubectl=${K8S_VERSION}
- sudo apt-mark hold kubelet kubeadm kubectl
-}
-
-#initializes kubernetes control plane
-function init_kubeadm() {
- sudo swapoff -a
- sudo sed -i.bak '/.*none.*swap/s/^\(.*\)$/#\1/g' /etc/fstab
- sudo kubeadm init --config $1
- sleep 5
-}
-
-function kube_config_dir() {
- [ ! -d $K8S_MANIFEST_DIR ] && FATAL "Cannot Install Kubernetes"
- mkdir -p $HOME/.kube
- sudo cp /etc/kubernetes/admin.conf $HOME/.kube/config
- sudo chown $(id -u):$(id -g) $HOME/.kube/config
-}
-
-function install_k8s_storageclass() {
- 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 1.12.0
- 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 $storageclass_timeout seconds. Cannot install openebs"
- kubectl patch storageclass openebs-hostpath -p '{"metadata": {"annotations":{"storageclass.kubernetes.io/is-default-class":"true"}}}'
-}
-
-function install_k8s_metallb() {
- METALLB_IP_RANGE=$DEFAULT_IP/32
- kubectl apply -f ${OSM_DEVOPS}/installers/k8s/metallb/metallb.yaml \
- || FATAL "Cannot install MetalLB"
- echo "apiVersion: v1
-kind: ConfigMap
-metadata:
- namespace: metallb-system
- name: config
-data:
- config: |
- address-pools:
- - name: default
- protocol: layer2
- addresses:
- - $METALLB_IP_RANGE" | kubectl apply -f - \
- || FATAL "Cannot apply MetalLB ConfigMap"
-}
-
-#installs metallb from helm
-function install_helm_metallb() {
- METALLB_IP_RANGE=$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 install --create-namespace --namespace metallb-system metallb metallb/metallb -f $OSM_DOCKER_WORK_DIR/metallb-config.yaml
-}
-
-#checks openebs and metallb readiness
-function check_for_readiness() {
- # Default input values
- sampling_period=2 # seconds
- time_for_readiness=20 # seconds ready
- time_for_failure=200 # seconds broken
- OPENEBS_NAMESPACE=openebs
- METALLB_NAMESPACE=metallb-system
- # STACK_NAME=osm # By default, "osm"
-
- # Equivalent number of samples
- oks_threshold=$((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