add test script for authentication

Signed-off-by: Saad Khan <saakhan@redhat.com>

tests/scripts/common/common_functions.sh

@@ -46,7 +46,8 @@ TEST_SUITE_ARRAY=("app_autotune_yaml_tests"
 "kruize_layer_id_tests"
 "em_standalone_tests"
 "remote_monitoring_tests"
-"local_monitoring_tests")
+"local_monitoring_tests"
+"authentication_tests")
 
 modify_kruize_layer_tests=("add_new_tunable"
 "apply_null_tunable"

tests/scripts/functional_tests.sh

@@ -33,6 +33,7 @@ SCRIPTS_DIR="${CURRENT_DIR}"
 . ${SCRIPTS_DIR}/em/em_standalone_tests.sh
 . ${SCRIPTS_DIR}/remote_monitoring_tests/remote_monitoring_tests.sh
 . ${SCRIPTS_DIR}/local_monitoring_tests/local_monitoring_tests.sh
+. ${SCRIPTS_DIR}/local_monitoring_tests/authentication_tests.sh
 
 # Iterate through the commandline options
 while getopts i:o:r:-: gopts

tests/scripts/local_monitoring_tests/authentication_tests.sh

@@ -0,0 +1,147 @@
+#!/bin/bash
+#
+# Copyright (c) 2024, 2024 Red Hat, IBM Corporation 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.
+#
+#
+
+# Get the absolute path of current directory
+CURRENT_DIR="$(dirname "$(realpath "$0")")"
+LOCAL_MONITORING_TEST_DIR="${CURRENT_DIR}/local_monitoring_tests"
+
+
+# Source the common functions scripts
+. ${LOCAL_MONITORING_TEST_DIR}/../common/common_functions.sh
+
+NAMESPACE="openshift-tuning"
+APP_DEPLOYMENT="kruize"
+DB_DEPLOYMENT="kruize-db-deployment"
+DB_PVC="kruize-db-pv-claim"
+SECRET_NAME="custom-token-secret" # TODO: to be updated
+AUTOTUNE_IMAGE="quay.io/kruize/autotune_operator:0.0.25_mvp"
+# Configuration
+AUTH_TOKEN_PATH="/var/run/secrets/kubernetes.io/serviceaccount/token"
+DATASOURCE_URL="https://prometheus-k8s.openshift-monitoring.svc.cluster.local:9091"
+YAML_FILE="${LOCAL_MONITORING_TEST_DIR}/../../../manifests/crc/default-db-included-installation/openshift/kruize-crc-openshift.yaml"
+
+# Tests to validate authentication types in Kruize
+function authentication_tests() {
+  TEST_SUITE_DIR="${RESULTS}/authentication_tests"
+  mkdir -p ${TEST_SUITE_DIR} 2>&1
+  for token_type in "${!tokens[@]}"; do
+    deploy_and_check_pod $token_type
+  done
+
+# Define token scenarios
+declare -A tokens
+tokens=(
+  ["valid"]="/var/run/secrets/kubernetes.io/serviceaccount/token"
+  ["expired"]="EXPIRED_TOKEN"
+  ["invalid"]="random-invalid-token-string"
+  ["empty"]=""
+)
+
+
+# Update the YAML file with the token
+update_yaml_with_token() {
+  local token_value=$1
+  # Escape special characters in the new token to avoid sed issues
+  new_token_escaped=$(printf '%s\n' "$new_token" | sed -e 's/[\/&]/\\&/g')
+
+  sed -i.bak 's/\("tokenFilePath": \)"[^"]*"/\1"'"$new_token_escaped"'"/' $YAML_FILE
+}
+
+# Deploy app and check pod status
+deploy_and_check_pod() {
+  local token_type=$1
+  echo "**********************************"
+  echo "Testing with $token_type token..."
+  echo "**********************************"
+
+  LOG="${TEST_SUITE_DIR}/${token_type}.log"
+  echo "***********************************"
+  echo "Terminating any existing instance of kruize..."
+  echo "***********************************"
+  kruize_terminate > /dev/null
+  sleep 10
+
+  # Update the secret with the appropriate token
+  echo "*************************************"
+  echo "Updating the yaml with $token_type token..."
+  echo "*************************************"
+  update_yaml_with_token "${tokens[$token_type]}"
+  echo ""
+
+  # Restart the app and db pod (if it's already running)
+#  kubectl rollout restart deployment/$APP_DEPLOYMENT -n $NAMESPACE :TODO: to be used once the code is fixed
+  # Run the deployment script again
+  echo "**********************"
+  echo "Redeploying kruize..."
+  echo "**********************"
+  ${LOCAL_MONITORING_TEST_DIR}/../../../deploy.sh -c ${cluster_type} -i ${AUTOTUNE_IMAGE} -m crc > /dev/null
+  # Wait for the pod to be ready or fail
+  kubectl wait --for=condition=Ready pod -l app=$APP_DEPLOYMENT -n $NAMESPACE --timeout=120s >> ${LOG} #2> /dev/null
+  local pod_status=$?
+  # Check pod logs for errors
+  if [ $pod_status -ne 0 ]; then
+    echo "$token_type token: Pod failed to start as expected."
+    kubectl logs -l app=$APP_DEPLOYMENT -n $NAMESPACE --tail=20
+  else
+    echo "$token_type token: Pod started successfully (unexpected for invalid tokens)."
+    kubectl logs -l app=$APP_DEPLOYMENT -n $NAMESPACE --tail=20
+  fi
+
+ # Check pod logs for errors
+  echo "Checking logs for the pod..."
+  pod_logs=$(kubectl logs -l app=$APP_DEPLOYMENT -n $NAMESPACE --tail=100)
+
+  # Check if the log contains the error message
+  if echo "$pod_logs" | grep -q "Datasource is not serviceable."; then
+    echo "$token_type token: Failure detected in logs (as expected for invalid tokens)."
+  else
+    echo "$token_type token: No failure detected in logs (as expected for valid tokens)."
+  fi
+   # Restore original YAML file
+  mv ${YAML_FILE}.bak $YAML_FILE
+
+}
+
+function kruize_terminate() {
+    ${LOCAL_MONITORING_TEST_DIR}/../../../deploy.sh -c ${cluster_type} -i ${AUTOTUNE_IMAGE} -m crc -t
+    # Wait for the pod to terminate
+    while true; do
+      # Get the status of the pod
+      pod_name=$(kubectl get pod -l app=kruize -o jsonpath="{.items[0].metadata.name}" 2>/dev/null)
+      namespace_status=$(kubectl get namespace $NAMESPACE --no-wait -o jsonpath='{.status.phase}' 2>/dev/null)
+
+
+      # Check if the pod exists
+      if [ -z "$pod_name" ]; then
+        echo "Pod has fully terminated."
+        break
+      fi
+
+      # Get the pod phase (Running, Succeeded, Failed, etc.)
+      pod_phase=$(kubectl get pod $pod_name -o jsonpath='{.status.phase}' 2>/dev/null)
+
+      # Check the pod phase
+      if [ "$pod_phase" == "Succeeded" ] || [ "$pod_phase" == "Failed" ]; then
+        echo "Pod has terminated with status: $pod_phase."
+        break
+      fi
+
+      echo "Waiting for pod to terminate..."
+      sleep 5
+    done
+}