}
function juju_addk8s() {
- cat $HOME/.kube/config | juju add-k8s $OSM_VCA_K8S_CLOUDNAME --controller $OSM_STACK_NAME --storage openebs-hostpath
+ cat $HOME/.kube/config | juju add-k8s $OSM_VCA_K8S_CLOUDNAME --controller $OSM_STACK_NAME --storage openebs-hostpath \
+ || FATAL "Failed to add K8s endpoint and credential for controller $OSM_STACK_NAME in cloud $OSM_VCA_K8S_CLOUDNAME"
}
function juju_createcontroller_k8s(){
- cat $HOME/.kube/config | juju add-k8s $OSM_VCA_K8S_CLOUDNAME --client
+ cat $HOME/.kube/config | juju add-k8s $OSM_VCA_K8S_CLOUDNAME --client \
+ || FATAL "Failed to add K8s endpoint and credential for client in cloud $OSM_VCA_K8S_CLOUDNAME"
juju bootstrap $OSM_VCA_K8S_CLOUDNAME $OSM_STACK_NAME \
--config controller-service-type=loadbalancer \
- --agent-version=$JUJU_AGENT_VERSION
+ --agent-version=$JUJU_AGENT_VERSION \
+ || FATAL "Failed to bootstrap controller $OSM_STACK_NAME in cloud $OSM_VCA_K8S_CLOUDNAME"
}
-
function juju_addlxd_cloud(){
mkdir -p /tmp/.osm
OSM_VCA_CLOUDNAME="lxd-cloud"
juju controller-config features=[k8s-operators]
}
-
function juju_createproxy() {
check_install_iptables_persistent
sudo add-apt-repository "deb https://apt.kubernetes.io/ kubernetes-xenial main"
sudo apt-get update
echo "Installing Kubernetes Packages ..."
- sudo apt-get install -y kubelet=1.15.0-00 kubeadm=1.15.0-00 kubectl=1.15.0-00
+ K8S_VERSION=1.20.11-00
+ sudo apt-get install -y kubelet=${K8S_VERSION} kubeadm=${K8S_VERSION} kubectl=${K8S_VERSION}
sudo apt-mark hold kubelet kubeadm kubectl
}
function install_k8s_storageclass() {
echo "Installing OpenEBS"
- kubectl create ns openebs
helm repo add openebs https://openebs.github.io/charts
helm repo update
- helm install --namespace openebs openebs openebs/openebs --version 1.12.0
+ helm install --create-namespace --namespace openebs openebs openebs/openebs --version 1.12.0
helm ls -n openebs
local storageclass_timeout=400
local counter=0
function install_k8s_metallb() {
METALLB_IP_RANGE=$DEFAULT_IP-$DEFAULT_IP
- cat ${OSM_DEVOPS}/installers/k8s/metallb/metallb.yaml | kubectl apply -f -
+ kubectl apply -f ${OSM_DEVOPS}/installers/k8s/metallb/metallb.yaml \
+ || FATAL "Cannot install MetalLB"
echo "apiVersion: v1
kind: ConfigMap
metadata:
- name: default
protocol: layer2
addresses:
- - $METALLB_IP_RANGE" | kubectl apply -f -
+ - $METALLB_IP_RANGE" | kubectl apply -f - \
+ || FATAL "Cannot apply MetalLB ConfigMap"
+}
+
+#installs metallb from helm
+function install_helm_metallb() {
+ METALLB_IP_RANGE=$DEFAULT_IP-$DEFAULT_IP
+ 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}"/${oks_threshold}\\r
+ # NOK sample
+ else
+ ((++failures_in_a_row))
+ oks_in_a_row=0
+ echo
+ echo Bootstraping... "${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 ${failures_threshold}) ]]
+ then
+ echo
+ FATAL "K8S CLUSTER IS BROKEN"
+ else
+ echo
+ echo "K8S CLUSTER IS READY"
+ fi
}
+
#deploys flannel as daemonsets
function deploy_cni_provider() {
CNI_DIR="$(mktemp -d -q --tmpdir "flannel.XXXXXX")"
track install_helm
install_k8s_storageclass
track k8s_storageclass
- install_k8s_metallb
+ install_helm_metallb
track k8s_metallb
+ check_for_readiness
else
#install_docker_compose
[ -n "$INSTALL_NODOCKER" ] || init_docker_swarm
projects / osm / devops.git / commitdiff