[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/auth.go

@@ -5,6 +5,7 @@ package commands
 
 import (
 	"bufio"
+	"context"
 	"fmt"
 	"os"
 	"sort"
@@ -166,6 +167,8 @@ func loginCmdF(cmd *cobra.Command, args []string) error {
 	url := strings.TrimRight(args[0], "/")
 	method := MethodPassword
 
+	ctx := context.TODO()
+
 	if name == "" {
 		reader := bufio.NewReader(os.Stdin)
 		fmt.Printf("Connection name: ")
@@ -203,10 +206,10 @@ func loginCmdF(cmd *cobra.Command, args []string) error {
 		var c *model.Client4
 		var err error
 		if mfaToken != "" {
-			c, _, err = InitClientWithMFA(username, password, mfaToken, url, allowInsecureSHA1, allowInsecureTLS)
+			c, _, err = InitClientWithMFA(ctx, username, password, mfaToken, url, allowInsecureSHA1, allowInsecureTLS)
 			method = MethodMFA
 		} else {
-			c, _, err = InitClientWithUsernameAndPassword(username, password, url, allowInsecureSHA1, allowInsecureTLS)
+			c, _, err = InitClientWithUsernameAndPassword(ctx, username, password, url, allowInsecureSHA1, allowInsecureTLS)
 		}
 		if err != nil {
 			return fmt.Errorf("could not initiate client: %w", err)
@@ -219,7 +222,7 @@ func loginCmdF(cmd *cobra.Command, args []string) error {
 			InstanceURL: url,
 			AuthToken:   accessToken,
 		}
-		if _, _, err := InitClientWithCredentials(&credentials, allowInsecureSHA1, allowInsecureTLS); err != nil {
+		if _, _, err := InitClientWithCredentials(ctx, &credentials, allowInsecureSHA1, allowInsecureTLS); err != nil {
 			return fmt.Errorf("could not initiate client: %w", err)
 		}
 	}
@@ -350,6 +353,8 @@ func renewCmdF(cmd *cobra.Command, args []string) error {
 		return err
 	}
 
+	ctx := context.TODO()
+
 	if (credentials.AuthMethod == MethodPassword || credentials.AuthMethod == MethodMFA) && password == "" {
 		if password == "" {
 			fmt.Printf("Password: ")
@@ -363,7 +368,7 @@ func renewCmdF(cmd *cobra.Command, args []string) error {
 
 	switch credentials.AuthMethod {
 	case MethodPassword:
-		c, _, err := InitClientWithUsernameAndPassword(credentials.Username, password, credentials.InstanceURL, allowInsecureSHA1, allowInsecureTLS)
+		c, _, err := InitClientWithUsernameAndPassword(ctx, credentials.Username, password, credentials.InstanceURL, allowInsecureSHA1, allowInsecureTLS)
 		if err != nil {
 			return err
 		}
@@ -376,7 +381,7 @@ func renewCmdF(cmd *cobra.Command, args []string) error {
 		}
 
 		credentials.AuthToken = accessToken
-		if _, _, err := InitClientWithCredentials(credentials, allowInsecureSHA1, allowInsecureTLS); err != nil {
+		if _, _, err := InitClientWithCredentials(ctx, credentials, allowInsecureSHA1, allowInsecureTLS); err != nil {
 			return err
 		}
 
@@ -385,7 +390,7 @@ func renewCmdF(cmd *cobra.Command, args []string) error {
 			return errors.New("requires the --mfa-token parameter to be set")
 		}
 
-		c, _, err := InitClientWithMFA(credentials.Username, password, mfaToken, credentials.InstanceURL, allowInsecureSHA1, allowInsecureTLS)
+		c, _, err := InitClientWithMFA(ctx, credentials.Username, password, mfaToken, credentials.InstanceURL, allowInsecureSHA1, allowInsecureTLS)
 		if err != nil {
 			return err
 		}