[MM-49989] Pass a context.Context to Client4 methods (#22922)

* Migrate all method in model/client4.go to accept a context.Context

* Fix th.*Client

* Fix remaining issues

* Empty commit to triger CI

* Fix test

* Add cancellation test

* Test that returned error is context.Canceled

* Fix bad merge

* Update mmctl code

---------

Co-authored-by: Mattermost Build <build@mattermost.com>

server/cmd/mmctl/commands/system_test.go

@@ -4,6 +4,7 @@
 package commands
 
 import (
+	"context"
 	"net/http"
 	"strconv"
 	"time"
@@ -23,7 +24,7 @@ func (s *MmctlUnitTestSuite) TestGetBusyCmd() {
 
 		s.client.
 			EXPECT().
-			GetServerBusy().
+			GetServerBusy(context.Background()).
 			Return(sbs, &model.Response{}, nil).
 			Times(1)
 
@@ -42,7 +43,7 @@ func (s *MmctlUnitTestSuite) TestGetBusyCmd() {
 
 		s.client.
 			EXPECT().
-			GetServerBusy().
+			GetServerBusy(context.Background()).
 			Return(sbs, &model.Response{}, nil).
 			Times(1)
 
@@ -57,7 +58,7 @@ func (s *MmctlUnitTestSuite) TestGetBusyCmd() {
 		printer.Clean()
 		s.client.
 			EXPECT().
-			GetServerBusy().
+			GetServerBusy(context.Background()).
 			Return(nil, &model.Response{}, errors.New("mock error")).
 			Times(1)
 
@@ -78,7 +79,7 @@ func (s *MmctlUnitTestSuite) TestSetBusyCmd() {
 
 		s.client.
 			EXPECT().
-			SetServerBusy(minutes*60).
+			SetServerBusy(context.Background(), minutes*60).
 			Return(&model.Response{StatusCode: http.StatusOK}, nil).
 			Times(1)
 
@@ -116,7 +117,7 @@ func (s *MmctlUnitTestSuite) TestClearBusyCmd() {
 		printer.Clean()
 		s.client.
 			EXPECT().
-			ClearServerBusy().
+			ClearServerBusy(context.Background()).
 			Return(&model.Response{StatusCode: http.StatusOK}, nil).
 			Times(1)
 
@@ -131,7 +132,7 @@ func (s *MmctlUnitTestSuite) TestClearBusyCmd() {
 		printer.Clean()
 		s.client.
 			EXPECT().
-			ClearServerBusy().
+			ClearServerBusy(context.Background()).
 			Return(&model.Response{StatusCode: http.StatusBadRequest}, errors.New("mock error")).
 			Times(1)
 
@@ -149,7 +150,7 @@ func (s *MmctlUnitTestSuite) TestServerVersionCmd() {
 		expectedVersion := "1.23.4.dev"
 		s.client.
 			EXPECT().
-			GetPing().
+			GetPing(context.Background()).
 			Return("", &model.Response{ServerVersion: expectedVersion}, nil).
 			Times(1)
 
@@ -165,7 +166,7 @@ func (s *MmctlUnitTestSuite) TestServerVersionCmd() {
 
 		s.client.
 			EXPECT().
-			GetPing().
+			GetPing(context.Background()).
 			Return("", &model.Response{}, errors.New("mock error")).
 			Times(1)
 
@@ -183,7 +184,7 @@ func (s *MmctlUnitTestSuite) TestServerStatusCmd() {
 		expectedStatus := map[string]string{"status": "OK"}
 		s.client.
 			EXPECT().
-			GetPingWithFullServerStatus().
+			GetPingWithFullServerStatus(context.Background()).
 			Return(expectedStatus, &model.Response{}, nil).
 			Times(1)
 
@@ -199,7 +200,7 @@ func (s *MmctlUnitTestSuite) TestServerStatusCmd() {
 
 		s.client.
 			EXPECT().
-			GetPingWithFullServerStatus().
+			GetPingWithFullServerStatus(context.Background()).
 			Return(nil, &model.Response{}, errors.New("mock error")).
 			Times(1)