--- /dev/null
+#!/usr/bin/env bash
+#######################################################################################
+# Copyright ETSI Contributors and Others.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+# implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#######################################################################################
+
+# Create a new VM for installing a k8s cluster and its NSG on Azure. SSH key pair ~/.ssh/id_rsa and ~/.ssh/id_rsa.pub must exist.
+# To do this it reads the following environment variables:
+# - K8S_IMAGE_NAME: name of the new VM
+# - RESOURCE_GROUP: name of the resource-group where the VM will be created
+# - VNET_NAME: name of the virtual network when creating a new one or referencing an existing one
+# - VIM_MGMT_NET: name or ID of the subnet to which the VM will be connected
+# - SOURCE_IMAGE_NAME: name of operating system image used (e.g. "Canonical:0001-com-ubuntu-server-jammy:22_04-lts:latest")
+# - K8S_FLAVOR_NAME: the VM size to be created (e.g. "Standard_A2_v2")
+# - PRIORITY: "Low", "Regular" or Spot"
+function create_azure_vm {
+ set -eux
+ az vm create --resource-group "${RESOURCE_GROUP}" --name "${K8S_IMAGE_NAME}" --image "${SOURCE_IMAGE_NAME}" --size "${K8S_FLAVOR_NAME}" --vnet-name "${VNET_NAME}" --subnet "${VIM_MGMT_NET}" --public-ip-address "" --admin-username ubuntu --priority "${PRIORITY}"
+ export K8S_IP=$(az vm show -d -g "${RESOURCE_GROUP}" -n "${K8S_IMAGE_NAME}" --query privateIps | tr -d \")
+ # Add a security group rule
+ INTERFACE_ID=$(az vm show --resource-group ${RESOURCE_GROUP} --name ${K8S_IMAGE_NAME} --query networkProfile.networkInterfaces[0].id)
+ INTERFACE_ID=${INTERFACE_ID:1:-1}
+ SECURITY_GROUP_ID=$(az network nic show --id ${INTERFACE_ID} --query networkSecurityGroup.id)
+ SECURITY_GROUP_ID=${SECURITY_GROUP_ID:1:-1}
+ SECURITY_GROUP_NAME=$(az resource show --ids ${SECURITY_GROUP_ID} --query name)
+ SECURITY_GROUP_NAME=${SECURITY_GROUP_NAME:1:-1}
+ az network nsg rule create -n microk8s --nsg-name ${SECURITY_GROUP_NAME} --priority 2000 -g ${RESOURCE_GROUP} --description "Microk8s port" --protocol TCP --destination-port-ranges 16443
+}
+
+# Create a new VM for installing a k8s cluster on GCP. SSH key pair ~/.ssh/id_rsa and ~/.ssh/id_rsa.pub must exist.
+# To do this it reads the following environment variables:
+# - K8S_IMAGE_NAME: name of the new VM
+# - GCP_PROJECT: name of project where the VM will be allocated
+# - GCP_ZONE: name of the zone (e.g. "europe-west1-b")
+# - VIM_MGMT_NET: name or ID of the subnet to which the VM will be connected
+# - GCP_MACHINE_TYPE: machine type used for the instance (e.g. "e2-standard-4", run 'gcloud compute machine-types list')
+# - GCP_IMAGE_PROJECT: the Google Cloud project against which all image and image family references will be resolved (e.g. "ubuntu-os-cloud")
+# - GCP_IMAGE_FAMILY: the image family for the operating system that the boot disk will be initialized with (e.g. "ubuntu-2204-lts")
+# - GCP_DISK_SIZE: disk size ib GB
+function create_gcp_vm {
+ gcloud compute instances create "${K8S_IMAGE_NAME}" --project="${GCP_PROJECT}" --zone="${GCP_ZONE}" --machine-type="${GCP_MACHINE_TYPE}" \
+ --network-interface=network-tier=PREMIUM,subnet=${VIM_MGMT_NET} --maintenance-policy=MIGRATE \
+ --image-family=${GCP_IMAGE_FAMILY} --image-project=${GCP_IMAGE_PROJECT} --metadata-from-file=ssh-keys=${HOME}/.ssh/id_rsa.pub \
+ --create-disk=auto-delete=yes,boot=yes,image-family=${GCP_IMAGE_FAMILY},image-project=${GCP_IMAGE_PROJECT},device-name=${K8S_IMAGE_NAME},mode=rw,size=${GCP_DISK_SIZE} -q
+}
+
+# Install via SSH a microk8s cluster on a VM. Writes a kubeconfig.yaml file in $ROBOT_REPORT_FOLDER path.
+# To do this it reads the following environment variables:
+# - K8S_IP: IP address of the target machine
+function install_remote_microk8s {
+ set +e
+ ssh -T -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null ubuntu@"${K8S_IP}" 'sudo apt-get update -y && sudo apt-get upgrade -y && sudo reboot'
+ sleep 90
+ ssh -T -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null ubuntu@${K8S_IP} << EOF 2>&1
+set -eux
+sudo snap install yq
+sudo snap install microk8s --classic
+sudo usermod -a -G microk8s ubuntu
+newgrp microk8s
+sudo microk8s.status --wait-ready
+sudo microk8s.enable storage dns
+set +eux
+EOF
+
+ # Enable MetalLB
+ ssh -T -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null ubuntu@${K8S_IP} << 'EOF' 2>&1
+set -eux
+PRIVATE_IP=$(hostname -I | awk '{print $1}')
+echo ${PRIVATE_IP}
+sudo microk8s.enable metallb:${PRIVATE_IP}-${PRIVATE_IP}
+EOF
+
+ # Update the certificate to allow connections from outside as well
+ ssh -T -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null ubuntu@${K8S_IP} << EOF 2>&1
+set -aux
+sudo sed -i "s/\#MOREIPS/IP.3 = ${K8S_IP}/g" /var/snap/microk8s/current/certs/csr.conf.template
+cat /var/snap/microk8s/current/certs/csr.conf.template
+EOF
+
+ # Save the credentials
+ echo ================================================================
+ echo K8s cluster credentials:
+ echo ================================================================
+ echo
+ ssh -T -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null ubuntu@${K8S_IP} \
+'sudo microk8s.config' | sed "s/server: .*/server: https:\/\/${K8S_IP}:16443/g" \
+| tee ${ROBOT_REPORT_FOLDER}/kubeconfig.yaml
+}
+
+# Create an AKS cluster with one node on Azure using a new subnet. Writes a kubeconfig.yaml file in $ROBOT_REPORT_FOLDER path.
+# Required the following environment variables:
+# - K8S_IMAGE_NAME: name of the AKS cluster to be created
+# - RESOURCE_GROUP: name of the resource-group where the VM will be created
+# - VNET_NAME: name of the virtual network when creating a new one or referencing an existing one
+# - K8S_FLAVOR_NAME: the VM size to be created (e.g. "Standard_D4as_v4")
+# IMPORTANT: required a vnet at least /16 because the it's created a new subnet with a random third byte
+function create_azure_aks {
+ # Gets first subnet prefix and creates a new one with random number in third byte
+ set -eux
+ SUBNET_PREFIX=$(az network vnet show --resource-group "${RESOURCE_GROUP}" --name "${VNET_NAME}" --query subnets[0].addressPrefix -o tsv)
+ IFS=. read BYTE1 BYTE2 BYTE3 BYTE4 <<< "$SUBNET_PREFIX"
+ IFS=/ read BYTE4 MASK <<< "$BYTE4"
+ if [ "$MASK" -ge "24" ]; then
+ BYTE3=$((100 + ($RANDOM % 50) * 2))
+ PREFIX="$BYTE1.$BYTE2.${BYTE3}.$BYTE4/$MASK"
+ SUBNET_NAME="aks-${BYTE3}"
+ BYTE3=$((BYTE3 + 1))
+ CIDR="$BYTE1.$BYTE2.${BYTE3}.$BYTE4/$MASK"
+ DNS_IP="$BYTE1.$BYTE2.${BYTE3}.10"
+ # Verifies that new subnet does not exist previously
+ az network vnet subnet show --resource-group "${RESOURCE_GROUP}" --vnet-name "${VNET_NAME}" --name "$SUBNET_NAME" -o table
+ if [ "$?" -ne 0 ]; then
+ # Creates the subnet in $VNET_NAME network
+ az network vnet subnet create --resource-group "${RESOURCE_GROUP}" --vnet-name "${VNET_NAME}" --name "$SUBNET_NAME" --address-prefixes "${PREFIX}"
+ if [ "$?" -eq 0 ]; then
+ SUBNET_ID=$(az network vnet subnet show --resource-group OSM-CTIO --vnet-name "${VNET_NAME}" --name "${SUBNET_NAME}" --query id -o tsv)
+
+ # Creates k8s cluster
+ az aks create -y --resource-group "${RESOURCE_GROUP}" --name "${K8S_IMAGE_NAME}" --node-count 1 --node-vm-size "${K8S_FLAVOR_NAME}" --dns-service-ip "${DNS_IP}" --network-plugin kubenet --service-cidr "${CIDR}" --vnet-subnet-id "${SUBNET_ID}"
+ az aks get-credentials --resource-group "${RESOURCE_GROUP}" --name "${K8S_IMAGE_NAME}" --admin -f ${ROBOT_REPORT_FOLDER}/kubeconfig.yaml
+ fi
+ fi
+ fi
+}
+
+# Create a GKE cluster with one node on GCP. Writes a kubeconfig.yaml file in $ROBOT_REPORT_FOLDER path.
+# Required the following environment variables:
+# - K8S_IMAGE_NAME: name of the GKE cluster to be created
+# - GCP_PROJECT: name of project where the cluster will be allocated
+# - GCP_ZONE: name of the zone (e.g. "europe-west1-b")
+# - GCP_MACHINE_TYPE: machine type used for the instance (e.g. "e2-standard-4", run 'gcloud compute machine-types list')
+# - GCP_DISK_SIZE: disk size ib GB
+function create_gcp_gke {
+ gcloud container clusters create "${K8S_IMAGE_NAME}" --project="${GCP_PROJECT}" --zone="${GCP_ZONE}" --num-nodes=1 --machine-type="${GCP_MACHINE_TYPE}" --disk-size "${GCP_DISK_SIZE}" --enable-ip-alias --image-type "COS_CONTAINERD"
+}
+
+# Get kubeconfig.yaml from a GKE cluster on GCP. Writes a kubeconfig.yaml file in $ROBOT_REPORT_FOLDER path.
+function get_gke_kubeconfig {
+ set -eu -o pipefail
+ FILE=${ROBOT_REPORT_FOLDER}/kubeconfig.yaml
+ SA=osm-sa
+ NAMESPACE=osm
+ echo "Creating the Kubernetes Service Account with minimal RBAC permissions."
+ kubectl apply -f - <<EOF
+apiVersion: v1
+kind: Namespace
+metadata:
+ name: ${NAMESPACE}
+---
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+ name: ${SA}
+ namespace: ${NAMESPACE}
+---
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRole
+metadata:
+ name: osm-role
+rules:
+- apiGroups:
+ - ""
+ resources:
+ - users
+ - groups
+ - serviceaccounts
+ verbs:
+ - impersonate
+- apiGroups:
+ - ""
+ resources:
+ - pods
+ verbs:
+ - get
+- apiGroups:
+ - "authorization.k8s.io"
+ resources:
+ - selfsubjectaccessreviews
+ - selfsubjectrulesreviews
+ verbs:
+ - create
+---
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRoleBinding
+metadata:
+ name: osm-crb
+roleRef:
+ apiGroup: rbac.authorization.k8s.io
+ kind: ClusterRole
+ name: cluster-admin
+subjects:
+- kind: ServiceAccount
+ name: ${SA}
+ namespace: ${NAMESPACE}
+EOF
+
+ # Get the service account token and CA cert.
+ SA_SECRET_NAME=$(kubectl get -n ${NAMESPACE} sa/${SA} -o "jsonpath={.secrets[0]..name}")
+ # Note: service account token is stored base64-encoded in the secret but must
+ # be plaintext in kubeconfig.
+ SA_TOKEN=$(kubectl get -n ${NAMESPACE} secrets/${SA_SECRET_NAME} -o "jsonpath={.data['token']}" | base64 ${BASE64_DECODE_FLAG})
+ CA_CERT=$(kubectl get -n ${NAMESPACE} secrets/${SA_SECRET_NAME} -o "jsonpath={.data['ca\.crt']}")
+
+ # Extract cluster IP from the current context
+ CURRENT_CONTEXT=$(kubectl config current-context)
+ CURRENT_CLUSTER=$(kubectl config view -o jsonpath="{.contexts[?(@.name == \"${CURRENT_CONTEXT}\"})].context.cluster}")
+ CURRENT_CLUSTER_ADDR=$(kubectl config view -o jsonpath="{.clusters[?(@.name == \"${CURRENT_CLUSTER}\"})].cluster.server}")
+
+ echo "Writing $FILE"
+ cat > $FILE <<EOF
+apiVersion: v1
+clusters:
+- cluster:
+ certificate-authority-data: ${CA_CERT}
+ server: ${CURRENT_CLUSTER_ADDR}
+ name: ${CURRENT_CLUSTER}
+contexts:
+- context:
+ cluster: ${CURRENT_CLUSTER}
+ user: ${CURRENT_CLUSTER}-${SA}
+ name: ${CURRENT_CONTEXT}
+current-context: ${CURRENT_CONTEXT}
+kind: Config
+preferences: {}
+users:
+- name: ${CURRENT_CLUSTER}-${SA}
+ user:
+ token: ${SA_TOKEN}
+EOF
+
+ echo "Done!"
+}
+
+# Name of the new VM for K8s (adds a timestamp)
+export K8S_IMAGE_NAME=k8stest$(date '+%Y%m%d%H%M')
+
+# Default USE_PAAS_K8S is "FALSE"
+if [ -z "${USE_PAAS_K8S}" ]; then
+ USE_PAAS_K8S="FALSE"
+fi
+
+# Log new environment variables
+mkdir -p ${ROBOT_REPORT_FOLDER}
+cat <<EOF > ${ROBOT_REPORT_FOLDER}/k8s_environment.rc
+export CLOUD_TYPE="${CLOUD_TYPE}"
+export USE_PAAS_K8S="${USE_PAAS_K8S}"
+EOF
+
+# Branch by USE_PAAS_K8S and CLOUD_TYPE values
+if [ "${USE_PAAS_K8S}" == "FALSE" ]; then
+ echo "Creating a new IaaS k8s cluster in ${CLOUD_TYPE}"
+ if [ "${CLOUD_TYPE}" == "azure" ]; then
+ # Create VM on Azure
+ create_azure_vm
+ elif [ "${CLOUD_TYPE}" == "gcp" ]; then
+ # Create VM on GCP
+ create_gcp_vm
+ else
+ echo "CLOUD_TYPE '${CLOUD_TYPE}' not valid for IaaS"
+ exit
+ fi
+ # Add environment variables
+ echo "export K8S_IP=\"${K8S_IP}\"" >> ${ROBOT_REPORT_FOLDER}/k8s_environment.rc
+ echo "export K8S_IMAGE_NAME=\"${K8S_IMAGE_NAME}\"" >> ${ROBOT_REPORT_FOLDER}/k8s_environment.rc
+
+ # MicroK8s installation
+ install_remote_microk8s
+else
+ echo "Creating a new PaaS k8s cluster in ${CLOUD_TYPE}"
+ if [ "${CLOUD_TYPE}" == "azure" ]; then
+ create_azure_aks
+ echo "export K8S_IMAGE_NAME=\"${K8S_IMAGE_NAME}\"" >> ${ROBOT_REPORT_FOLDER}/k8s_environment.rc
+ elif [ "${CLOUD_TYPE}" == "gcp" ]; then
+ create_gcp_gke
+ get_gke_kubeconfig
+ echo "export K8S_IMAGE_NAME=\"${K8S_IMAGE_NAME}\"" >> ${ROBOT_REPORT_FOLDER}/k8s_environment.rc
+ else
+ echo "CLOUD_TYPE '${CLOUD_TYPE}' not valid for PaaS"
+ fi
+fi
+
+# Add K8S_CREDENTIALS environment variable
+echo "export K8S_CREDENTIALS=${ROBOT_REPORT_FOLDER}/kubeconfig.yaml" >> ${ROBOT_REPORT_FOLDER}/k8s_environment.rc
+echo File with new environment was created at ${ROBOT_REPORT_FOLDER}/k8s_environment.rc
+
projects / osm / tests.git / blobdiff