set +eux
-#installs kubernetes packages
+K8S_VERSION=1.23.3-00
+
+# installs kubernetes packages
function install_kube() {
[ -z "${DEBUG_INSTALL}" ] || DEBUG beginning of function
- K8S_VERSION=1.20.14-00
# 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 $2}'
sudo apt-get update
echo "Installing Kubernetes Packages ..."
sudo apt-get install -y kubelet=${K8S_VERSION} kubeadm=${K8S_VERSION} kubectl=${K8S_VERSION}
+ cat << EOF | sudo tee -a /etc/default/kubelet
+KUBELET_EXTRA_ARGS="--cgroup-driver=cgroupfs"
+EOF
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 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 --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 "${DEBUG_INSTALL}" ] || DEBUG beginning of function
+ kubectl get ns || FATAL_TRACK k8scluster "Failed getting namespaces"
+ track k8scluster init_k8s_ok
+ [ -z "${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 --retry-on-host-error --retry-on-http-error 404,429,503 --tries=5 https://raw.githubusercontent.com/coreos/flannel/master/Documentation/kube-flannel.yml -P $CNI_DIR
- [ ! -f $CNI_DIR/kube-flannel.yml && FATAL "Cannot Install Flannel because $CNI_DIR/kube-flannel.yml was not found. Maybe the file https://raw.githubusercontent.com/coreos/flannel/master/Documentation/kube-flannel.yml is temporarily not accessible"
+ KUBE_FLANNEL_FILE_URL="https://raw.githubusercontent.com/coreos/flannel/master/Documentation/kube-flannel.yml"
+ wget --retry-on-host-error --retry-on-http-error 404,429,503 --tries=5 "${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 $1}')
[ -z "${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() {
else
echo "Helm3 is already installed. Skipping installation..."
fi
- helm repo add stable https://charts.helm.sh/stable
- helm repo update
+ 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"
+ echo "Installing open-iscsi"
+ sudo apt-get update
+ sudo apt-get install open-iscsi
+ sudo systemctl enable --now iscsid
+ OPENEBS_VERSION="3.1.0"
echo "Installing OpenEBS"
helm repo add openebs https://openebs.github.io/charts
helm repo update
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
}
[ -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 "${DEBUG_INSTALL}" ] || DEBUG beginning of function
COUNT_METALLB_READY=$(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}+${COUNT_METALLB_NOT_READY})) -eq 0 ]]
then
echo
fi
- # Reports failed statefulsets
+ # Reports failed pods in MetalLB
if [[ "${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
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"
install_kube
-track k8scluster install_k8s_ok
+check_and_track_kube_install
+
init_kubeadm $OSM_DOCKER_WORK_DIR/cluster-config.yaml
kube_config_dir
-track k8scluster init_k8s_ok
+check_and_track_init_k8s
+
if [ -n "$INSTALL_K8S_MONITOR" ]; then
# uninstall OSM MONITORING
uninstall_k8s_monitoring
track k8scluster uninstall_k8s_monitoring_ok
fi
-#remove old namespace
+
remove_k8s_namespace osm
deploy_cni_provider
taint_master_node
+check_and_track_k8s_ready_before_helm
+
install_helm
track k8scluster install_helm_ok
+
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
projects / osm / devops.git / blobdiff