Bump up the minimum required MySQL version (#25465)

MySQL 5.7 is at end of life.

https://mattermost.atlassian.net/browse/MM-55589

```release-note
We bump up minimum MySQL version to be 8.0.0
```


Co-authored-by: Mattermost Build <build@mattermost.com>
Co-authored-by: Ibrahim Serdar Acikgoz <serdaracikgoz86@gmail.com>

server/Makefile

@@ -828,7 +828,7 @@ test-migration:
 	@sed -i'' -e 's|{{ .source_schema }}|${MYSQL_SCHEMA}|g' tests/temp.load
 
 	# run pgloader and save the logs
-	pgloader tests/temp.load > migration.log
+	pgloader --debug tests/temp.load > migration.log
 
 	$(GO) install github.com/mattermost/dbcmp/cmd/dbcmp@latest
 	# compare two database contents

server/build/docker-compose.common.yml

@@ -1,7 +1,7 @@
 version: '2.4'
 services:
   mysql:
-    image: "mysql/mysql-server:5.7.12"
+    image: "mysql/mysql-server:8.0.32"
     restart: always
     networks:
       - mm-test
@@ -19,7 +19,7 @@ services:
     volumes:
       - ./docker/mysql.conf.d/source.cnf:/etc/mysql/conf.d/mysql.cnf
   mysql-read-replica:
-    image: "mysql/mysql-server:5.7.12"
+    image: "mysql/mysql-server:8.0.32"
     restart: always
     networks:
       - mm-test

server/build/docker/mysql.conf.d/custom.cnf

@@ -1,6 +1,7 @@
 [mysqld]
 bind-address = 0.0.0.0
 
+default-authentication-plugin=mysql_native_password
 log-output = NONE
 slow-query-log = 0
 innodb_flush_log_at_trx_commit = 2

server/build/dotenv/migration.env

@@ -6,11 +6,11 @@ MYSQL_USERNAME=root
 MYSQL_PASSWORD=mostest
 MYSQL_SCHEMA=mattermost_test
 POSTGRES_MIGRATIONS_PATH=./channels/db/migrations/postgres
-MYSQL_DSN=${MYSQL_USERNAME}:${MYSQL_PASSWORD}@tcp(mysql:3306)/${MYSQL_SCHEMA}?charset=utf8mb4,utf8&readTimeout=30s&writeTimeout=30s&multiStatements=true
+MYSQL_DSN=${MYSQL_USERNAME}:${MYSQL_PASSWORD}@tcp(mysql:3306)/${MYSQL_SCHEMA}?charset=utf8mb4&readTimeout=30s&writeTimeout=30s&multiStatements=true
 POSTGRES_DSN=postgres://${PG_USERNAME}:${PG_PASSWORD}@postgres:5432/${PG_SCHEMA}?sslmode=disable
 
 MM_SERVICESETTINGS_ENABLELOCALMODE=true
 MM_SQLSETTINGS_DRIVERNAME=mysql
-MM_SQLSETTINGS_DATASOURCE=mmuser:mostest@tcp(mysql:3306)/mattermost_test?charset=utf8mb4,utf8&readTimeout=30s&writeTimeout=30s&multiStatements=true&maxAllowedPacket=4194304
+MM_SQLSETTINGS_DATASOURCE=mmuser:mostest@tcp(mysql:3306)/mattermost_test?charset=utf8mb4&readTimeout=30s&writeTimeout=30s&multiStatements=true&maxAllowedPacket=4194304
 MAX_WAIT_SECONDS=500
 IS_CI=true

server/build/dotenv/test.env

@@ -1,4 +1,4 @@
-TEST_DATABASE_MYSQL_DSN=mmuser:mostest@tcp(mysql:3306)/mattermost_test?charset=utf8mb4,utf8&readTimeout=30s&writeTimeout=30s&multiStatements=true&maxAllowedPacket=4194304
+TEST_DATABASE_MYSQL_DSN=mmuser:mostest@tcp(mysql:3306)/mattermost_test?charset=utf8mb4&readTimeout=30s&writeTimeout=30s&multiStatements=true&maxAllowedPacket=4194304
 TEST_DATABASE_POSTGRESQL_DSN=postgres://mmuser:mostest@postgres:5432/mattermost_test?sslmode=disable&connect_timeout=10
 TEST_DATABASE_MYSQL_ROOT_PASSWD=mostest
 GOBIN=/mattermost/server/bin

server/build/gitlab-dc.mysql.yml

@@ -1,7 +1,7 @@
 version: '2.4'
 services:
   mysql:
-    image: mattermostdevelopment/mirrored-mysql:5.7.12
+    image: mattermostdevelopment/mirrored-mysql:8.0.32
     restart: always
     environment:
       MYSQL_ROOT_HOST: "%"

server/build/gitlab-dc.schemamysql.yml

@@ -1,7 +1,7 @@
 version: '2.4'
 services:
   mysql:
-    image: mattermostdevelopment/mirrored-mysql:5.7.12
+    image: mattermostdevelopment/mirrored-mysql:8.0.32
     restart: always
     environment:
       MYSQL_ROOT_HOST: "%"

server/channels/store/sqlstore/store.go

@@ -52,8 +52,7 @@ const (
 	// 9.6.3 would be 90603.
 	minimumRequiredPostgresVersion = 110000
 	// major*1000 + minor*100 + patch
-	minimumRequiredMySQLVersion    = 5712
-	minimumRecommendedMySQLVersion = 8000
+	minimumRequiredMySQLVersion = 8000
 
 	migrationsDirectionUp   migrationDirection = "up"
 	migrationsDirectionDown migrationDirection = "down"
@@ -1232,9 +1231,6 @@ func (ss *SqlStore) ensureMinimumDBVersion(ver string) (bool, error) {
 			return false, fmt.Errorf("cannot parse MySQL DB version: %w", err2)
 		}
 		intVer := majorVer*1000 + minorVer*100 + patchVer
-		if intVer < minimumRecommendedMySQLVersion {
-			mlog.Warn("The MySQL version being used is EOL. Please upgrade to a later version.", mlog.Int("current_version", intVer), mlog.Int("minimum_recommended_version", minimumRecommendedMySQLVersion))
-		}
 		if intVer < minimumRequiredMySQLVersion {
 			return false, fmt.Errorf("Minimum MySQL version requirements not met. Found: %s, Wanted: %s", versionString(intVer, *ss.settings.DriverName), versionString(minimumRequiredMySQLVersion, *ss.settings.DriverName))
 		}

server/channels/store/storetest/settings.go

@@ -22,10 +22,10 @@ import (
 )
 
 const (
-	defaultMysqlDSN        = "mmuser:mostest@tcp(localhost:3306)/mattermost_test?charset=utf8mb4,utf8&readTimeout=30s&writeTimeout=30s&multiStatements=true&maxAllowedPacket=4194304"
+	defaultMysqlDSN        = "mmuser:mostest@tcp(localhost:3306)/mattermost_test?charset=utf8mb4&readTimeout=30s&writeTimeout=30s&multiStatements=true&maxAllowedPacket=4194304"
 	defaultPostgresqlDSN   = "postgres://mmuser:mostest@localhost:5432/mattermost_test?sslmode=disable&connect_timeout=10"
 	defaultMysqlRootPWD    = "mostest"
-	defaultMysqlReplicaDSN = "root:mostest@tcp(localhost:3307)/mattermost_test?charset=utf8mb4,utf8\u0026readTimeout=30s"
+	defaultMysqlReplicaDSN = "root:mostest@tcp(localhost:3307)/mattermost_test?charset=utf8mb4\u0026readTimeout=30s"
 )
 
 func getEnv(name, defaultValue string) string {

server/scripts/mysql-migration-test.sh

@@ -14,7 +14,7 @@ docker exec -i mattermost-mysql mysql -D migrated -uroot -pmostest -e "INSERT IN
 
 echo "Setting up config for db migration"
 cat config/config.json | \
-    jq '.SqlSettings.DataSource = "mmuser:mostest@tcp(localhost:3306)/migrated?charset=utf8mb4,utf8&readTimeout=30s&writeTimeout=30s"' | \
+    jq '.SqlSettings.DataSource = "mmuser:mostest@tcp(localhost:3306)/migrated?charset=utf8mb4&readTimeout=30s&writeTimeout=30s"' | \
     jq '.SqlSettings.DriverName = "mysql"' > $TMPDIR/config.json
 
 echo "Running the migration"
@@ -22,7 +22,7 @@ make ARGS="db migrate --config $TMPDIR/config.json" run-cli
 
 echo "Setting up config for fresh db setup"
 cat config/config.json | \
-    jq '.SqlSettings.DataSource = "mmuser:mostest@tcp(localhost:3306)/latest?charset=utf8mb4,utf8&readTimeout=30s&writeTimeout=30s"' | \
+    jq '.SqlSettings.DataSource = "mmuser:mostest@tcp(localhost:3306)/latest?charset=utf8mb4&readTimeout=30s&writeTimeout=30s"' | \
     jq '.SqlSettings.DriverName = "mysql"' > $TMPDIR/config.json
 
 echo "Setting up fresh db"

server/tests/test-config.json

@@ -90,7 +90,7 @@
     },
     "SqlSettings": {
         "DriverName": "mysql",
-        "DataSource": "mmuser:mostest@tcp(localhost:3306)/mattermost_test?charset=utf8mb4,utf8\u0026readTimeout=30s\u0026writeTimeout=30s\u0026maxAllowedPacket=4194304",
+        "DataSource": "mmuser:mostest@tcp(localhost:3306)/mattermost_test?charset=utf8mb4\u0026readTimeout=30s\u0026writeTimeout=30s\u0026maxAllowedPacket=4194304",
         "DataSourceReplicas": [],
         "DataSourceSearchReplicas": [],
         "MaxIdleConns": 20,