K8SPSMDB-1216 update to db.hello (#1929)

* K8SPSMDB-1216 update to db.hello

* update rs-shard-migration test

---------

Co-authored-by: Viacheslav Sarzhan <slava.sarzhan@percona.com>

Author: nmarukovich

e2e-tests/functions

@@ -936,7 +936,7 @@ compare_mongos_cmd() {
 get_mongo_primary_endpoint() {
 	local uri="$1"
 
-	run_mongo 'db.isMaster().me' "$uri" "mongodb" ":27017" \
+	run_mongo 'db.hello().me' "$uri" "mongodb" ":27017" \
 		| egrep -v "Time|Percona Server for MongoDB|bye|BinData|NumberLong|connecting to|Error saving history file|I NETWORK|W NETWORK|Implicit session:|versions do not match" \
 		| sed -e 's^20[0-9][0-9]-[0-9][0-9]-[0-9][0-9]T[0-9][0-9]:[0-9][0-9]:[0-9][0-9]\.[0-9][0-9][0-9]+[0-9][0-9][0-9][0-9]^^' \
 		| grep ":27017$"

e2e-tests/rs-shard-migration/run

@@ -10,7 +10,7 @@ function get_shard_parameter() {
 	local cluster_name=$1
 	local namespace=$2
 	local parameter=${3:-lastCommittedOpTime}
-	run_mongo 'db.isMaster().'${parameter}'' "clusterAdmin:clusterAdmin123456@${cluster_name}-rs0-0.${cluster_name}-rs0.${namespace}" "mongodb" "" "--quiet" \
+	run_mongo 'db.hello().'${parameter}'' "clusterAdmin:clusterAdmin123456@${cluster_name}-rs0-0.${cluster_name}-rs0.${namespace}" "mongodb" "" "--quiet" \
 		| egrep -v 'I NETWORK|W NETWORK|Error saving history file|Percona Server for MongoDB|connecting to:|Unable to reach primary for set|Implicit session:|versions do not match|Error saving history file:'
 }
 
@@ -59,8 +59,7 @@ function main() {
 	desc 'write data, read from all'
 	simple_data_check "${cluster}" "${CLUSTER_SIZE}" 1 "-mongos"
 
-	if [[ -z "$(get_shard_parameter ${cluster} ${namespace} lastCommitedOpTime)" ]] \
-		&& [[ -z "$(get_shard_parameter ${cluster} ${namespace} '$configServerState.opTime.ts')" ]]; then # for mongo 3.6
+	if [[ -z "$(get_shard_parameter ${cluster} ${namespace} 'lastWrite.majorityOpTime.ts')" ]]; then
 		echo "Sharded cluster does not work properly"
 		exit 1
 	fi

e2e-tests/split-horizon/run

@@ -45,7 +45,7 @@ run_mongo_tls "rs.conf().members.map(function(member) { return member.horizons }
 	mongodb "" "--quiet" | egrep -v 'I NETWORK|W NETWORK|Error saving history file|Percona Server for MongoDB|connecting to:|Unable to reach primary for set|Implicit session:|versions do not match|Error saving history file:|does not match the remote host name' >${tmp_dir}/horizons-3.json
 diff $test_dir/compare/horizons-3.json $tmp_dir/horizons-3.json
 
-isMaster=$(run_mongo_tls "db.isMaster().ismaster" "clusterAdmin:clusterAdmin123456@some-name-rs0-0.clouddemo.xyz,some-name-rs0-1.clouddemo.xyz,some-name-rs0-2.clouddemo.xyz" mongodb "" "--quiet" | egrep -v 'I NETWORK|W NETWORK|Error saving history file|Percona Server for MongoDB|connecting to:|Unable to reach primary for set|Implicit session:|versions do not match|Error saving history file:|does not match the remote host name' | grep -v certificateNames)
+isMaster=$(run_mongo_tls "db.hello().isWritablePrimary" "clusterAdmin:clusterAdmin123456@some-name-rs0-0.clouddemo.xyz,some-name-rs0-1.clouddemo.xyz,some-name-rs0-2.clouddemo.xyz" mongodb "" "--quiet" | egrep -v 'I NETWORK|W NETWORK|Error saving history file|Percona Server for MongoDB|connecting to:|Unable to reach primary for set|Implicit session:|versions do not match|Error saving history file:|does not match the remote host name' | grep -v certificateNames)
 if [ "${isMaster}" != "true" ]; then
 	echo "mongo client should've redirect the connection to primary"
 	exit 1
@@ -58,7 +58,7 @@ run_mongo_tls "rs.stepDown()" \
 
 sleep 10 # give some time for re-election
 
-isMaster=$(run_mongo_tls "db.isMaster().ismaster" "clusterAdmin:clusterAdmin123456@some-name-rs0-0.clouddemo.xyz,some-name-rs0-1.clouddemo.xyz,some-name-rs0-2.clouddemo.xyz" mongodb "" "--quiet" | egrep -v 'I NETWORK|W NETWORK|Error saving history file|Percona Server for MongoDB|connecting to:|Unable to reach primary for set|Implicit session:|versions do not match|Error saving history file:|does not match the remote host name' | grep -v certificateNames)
+isMaster=$(run_mongo_tls "db.hello().isWritablePrimary" "clusterAdmin:clusterAdmin123456@some-name-rs0-0.clouddemo.xyz,some-name-rs0-1.clouddemo.xyz,some-name-rs0-2.clouddemo.xyz" mongodb "" "--quiet" | egrep -v 'I NETWORK|W NETWORK|Error saving history file|Percona Server for MongoDB|connecting to:|Unable to reach primary for set|Implicit session:|versions do not match|Error saving history file:|does not match the remote host name' | grep -v certificateNames)
 if [ "${isMaster}" != "true" ]; then
 	echo "mongo client should've redirect the connection to primary"
 	exit 1

pkg/controller/perconaservermongodbrestore/physical.go

@@ -616,7 +616,7 @@ func (r *ReconcilePerconaServerMongoDBRestore) runIsMaster(ctx context.Context,
 	}
 
 	c := strings.Join([]string{
-		mongoClient, "--quiet", "-u", creds.Username, "-p", creds.Password, "--eval", "'db.isMaster().ismaster'",
+		mongoClient, "--quiet", "-u", creds.Username, "-p", creds.Password, "--eval", "'db.hello().isWritablePrimary'",
 		"|", "tail", "-n", "1",
 		"|", "grep", "-Eo", "'(true|false)'",
 	}, " ")