Push failed test k8s logs to S3 bucket

Author: tplavcic

Jenkinsfile

@@ -103,6 +103,21 @@ void pushLogFile(String FILE_NAME) {
     }
 }
 
+void pushK8SLogs(String TEST_NAME) {
+    def LOG_FILE_PATH="e2e-tests/logs/"
+    def FILE_NAMES="logs_${TEST_NAME}_*"
+    echo "Push k8s logs to S3!"
+
+    withCredentials([[$class: 'AmazonWebServicesCredentialsBinding', accessKeyVariable: 'AWS_ACCESS_KEY_ID', credentialsId: 'AMI/OVF', secretKeyVariable: 'AWS_SECRET_ACCESS_KEY']]) {
+        sh """
+            S3_PATH=s3://percona-jenkins-artifactory/\$JOB_NAME/\$(git rev-parse --short HEAD)/logs/
+            aws s3 ls \$S3_PATH || :
+            aws s3 rm \$S3_PATH --recursive --exclude "*" --include "${FILE_NAMES}" || :
+            aws s3 cp --quiet ${LOG_FILE_PATH} \$S3_PATH --recursive --exclude "*" --include "$FILE_NAMES" || :
+        """
+    }
+}
+
 void popArtifactFile(String FILE_NAME) {
     echo "Try to get $FILE_NAME file from S3!"
 
@@ -218,6 +233,9 @@ void runTest(Integer TEST_ID) {
             return true
         }
         catch (exc) {
+            if (currentBuild.nextBuild != null) {
+                pushK8SLogs("$testName")
+            }
             if (retryCount >= 1 || currentBuild.nextBuild != null) {
                 currentBuild.result = 'FAILURE'
                 return true

e2e-tests/functions

@@ -158,6 +158,8 @@ wait_pod() {
 				| grep -v 'Getting tasks for pod' \
 				| grep -v 'Getting pods from source' \
 				| tail -100
+			collect_k8s_logs
+
 			echo max retry count $retry reached. something went wrong with operator or kubernetes cluster
 			exit 1
 		fi
@@ -183,6 +185,8 @@ wait_cron() {
 				| grep -v 'Getting tasks for pod' \
 				| grep -v 'Getting pods from source' \
 				| tail -100
+			collect_k8s_logs
+
 			echo max retry count $retry reached. something went wrong with operator or kubernetes cluster
 			exit 1
 		fi
@@ -203,6 +207,8 @@ wait_backup_agent() {
 		if [ $retry -ge 360 ]; then
 			kubectl_bin logs $agent_pod -c backup-agent \
 				| tail -100
+			collect_k8s_logs
+
 			echo max retry count $retry reached. something went wrong with operator or kubernetes cluster
 			exit 1
 		fi
@@ -230,6 +236,8 @@ wait_backup() {
 				| grep -v 'Getting tasks for pod' \
 				| grep -v 'Getting pods from source' \
 				| tail -100
+			collect_k8s_logs
+
 			echo "Backup object psmdb-backup/${backup_name} is in ${current_state} state."
 			echo something went wrong with operator or kubernetes cluster
 			exit 1
@@ -289,6 +297,8 @@ wait_deployment() {
 				| grep -v 'Getting tasks for pod' \
 				| grep -v 'Getting pods from source' \
 				| tail -100
+			collect_k8s_logs
+
 			echo max retry count $retry reached. something went wrong with operator or kubernetes cluster
 			exit 1
 		fi
@@ -334,6 +344,7 @@ wait_restore() {
 				| grep -v 'Getting tasks for pod' \
 				| grep -v 'Getting pods from source' \
 				| tail -100
+			collect_k8s_logs
 
 			echo "Restore object restore-${backup_name} is in ${current_state} state."
 			echo something went wrong with operator or kubernetes cluster
@@ -528,6 +539,7 @@ retry() {
 
 	until "$@"; do
 		if [[ $n -ge $max ]]; then
+			collect_k8s_logs
 			echo "The command '$@' has failed after $n attempts."
 			exit 1
 		fi
@@ -567,6 +579,7 @@ wait_for_running() {
 			timeout=$((timeout + 1))
 			echo -n '.'
 			if [[ ${timeout} -gt 1500 ]]; then
+				collect_k8s_logs
 				echo
 				echo "Waiting timeout has been reached. Exiting..."
 				exit 1
@@ -594,6 +607,8 @@ wait_for_delete() {
 				| grep -v 'Getting tasks for pod' \
 				| grep -v 'Getting pods from source' \
 				| tail -100
+			collect_k8s_logs
+
 			echo max retry count $retry reached. something went wrong with operator or kubernetes cluster
 			exit 1
 		fi
@@ -609,6 +624,8 @@ compare_generation() {
 
 	current_generation="$(kubectl_bin get ${resource_type} "${resource_name}" -o jsonpath='{.metadata.generation}')"
 	if [[ ${generation} != "${current_generation}" ]]; then
+		collect_k8s_logs
+
 		echo "Generation for ${resource_type}/${resource_name} is: ${current_generation}, but should be: ${generation}"
 		exit 1
 	fi
@@ -961,6 +978,7 @@ get_service_endpoint() {
 		return
 	fi
 
+	collect_k8s_logs
 	exit 1
 }
 
@@ -1135,6 +1153,7 @@ wait_cluster_consistency() {
 	until [[ "$(kubectl_bin get psmdb "${cluster_name}" -o jsonpath='{.status.state}')" == "ready" ]]; do
 		let retry+=1
 		if [ $retry -ge 32 ]; then
+			collect_k8s_logs
 			echo max retry count $retry reached. something went wrong with operator or kubernetes cluster
 			exit 1
 		fi
@@ -1161,6 +1180,7 @@ check_backup_deletion() {
 	retry=0
 	until [[ $(curl -sw '%{http_code}' -o /dev/null $path) -eq 403 ]] || [[ $(curl -sw '%{http_code}' -o /dev/null $path) -eq 404 ]]; do
 		if [ $retry -ge 10 ]; then
+			collect_k8s_logs
 			echo max retry count $retry reached. something went wrong with operator or kubernetes cluster
 			echo "Backup was not removed from bucket -- $storage_name"
 			exit 1
@@ -1222,6 +1242,7 @@ function get_mongod_ver_from_image() {
 	version_info=$(run_simple_cli_inside_image ${image} 'mongod --version' | $sed -r 's/^.*db version v(([0-9]+\.){2}[0-9]+-[0-9]+).*$/\1/g')
 
 	if [[ ! ${version_info} =~ ^([0-9]+\.){2}[0-9]+-[0-9]+$ ]]; then
+		collect_k8s_logs
 		printf "No mongod version obtained from %s. Exiting" ${image}
 		exit 1
 	fi
@@ -1234,6 +1255,7 @@ function get_pbm_version() {
 	local version_info=$(run_simple_cli_inside_image ${image} 'pbm-agent version' | $sed -r 's/^Version:\ (([0-9]+\.){2}[0-9]+)\ .*/\1/g')
 
 	if [[ ! ${version_info} =~ ^([0-9]+\.){2}[0-9]+$ ]]; then
+		collect_k8s_logs
 		printf "No pbm version obtained from %s. Exiting" ${image}
 		exit 1
 	fi
@@ -1274,6 +1296,28 @@ function generate_vs_json() {
 	echo ${version_service_source} | jq '.' >${target_path}
 }
 
+collect_k8s_logs() {
+	if [[ ${ENABLE_LOGGING} == "true" ]]; then
+		rm -f ${logs_dir}/logs_${test_name}_*.txt || :
+
+		local check_namespaces="$namespace${OPERATOR_NS:+ $OPERATOR_NS}"
+
+		for ns in $check_namespaces; do
+			local pods=$(kubectl_bin get pods -o name | awk -F "/" '{print $2}')
+			for p in $pods; do
+				local containers=$(kubectl_bin -n "$ns" get pod $p -o jsonpath='{.spec.containers[*].name}')
+				for c in $containers; do
+					kubectl_bin -n "$ns" logs $p -c $c > ${logs_dir}/logs_${test_name}_$p_$c.txt
+					echo logs saved in: ${logs_dir}/logs_${test_name}_$p_$c.txt
+				done
+			done
+		done
+		kubectl_bin get pods --all-namespaces > ${logs_dir}/logs_${test_name}_pods.txt
+		kubectl_bin get services --all-namespaces > ${logs_dir}/logs_${test_name}_services.txt
+		kubectl_bin get events --all-namespaces > ${logs_dir}/logs_${test_name}_k8s_events.txt
+	fi
+}
+
 check_passwords_leak() {
 	secrets=$(kubectl_bin get secrets -o json | jq -r '.items[].data | to_entries | .[] | select(.key | (contains("_PASSWORD"))) | .value')
 	echo secrets=$secrets