chore: remove deprecated io/ioutil

Signed-off-by: Dmitry Rybin <ayrowa@yandex.ru>

cmd/flux/bootstrap.go

@@ -19,7 +19,7 @@ package main
 import (
 	"crypto/elliptic"
 	"fmt"
-	"io/ioutil"
+	"os"
 
 	"github.com/spf13/cobra"
 
@@ -145,7 +145,7 @@ func buildEmbeddedManifestBase() (string, error) {
 	if !isEmbeddedVersion(bootstrapArgs.version) {
 		return "", nil
 	}
-	tmpBaseDir, err := ioutil.TempDir("", "flux-manifests-")
+	tmpBaseDir, err := os.MkdirTemp("", "flux-manifests-")
 	if err != nil {
 		return "", err
 	}

cmd/flux/bootstrap_git.go

@@ -19,7 +19,6 @@ package main
 import (
 	"context"
 	"fmt"
-	"io/ioutil"
 	"net/url"
 	"os"
 	"strings"
@@ -118,7 +117,7 @@ func bootstrapGitCmdRun(cmd *cobra.Command, args []string) error {
 	defer os.RemoveAll(manifestsBase)
 
 	// Lazy go-git repository
-	tmpDir, err := ioutil.TempDir("", "flux-bootstrap-")
+	tmpDir, err := os.MkdirTemp("", "flux-bootstrap-")
 	if err != nil {
 		return fmt.Errorf("failed to create temporary working dir: %w", err)
 	}

cmd/flux/bootstrap_github.go

@@ -19,7 +19,6 @@ package main
 import (
 	"context"
 	"fmt"
-	"io/ioutil"
 	"os"
 	"time"
 
@@ -146,7 +145,7 @@ func bootstrapGitHubCmdRun(cmd *cobra.Command, args []string) error {
 	}
 
 	// Lazy go-git repository
-	tmpDir, err := ioutil.TempDir("", "flux-bootstrap-")
+	tmpDir, err := os.MkdirTemp("", "flux-bootstrap-")
 	if err != nil {
 		return fmt.Errorf("failed to create temporary working dir: %w", err)
 	}

cmd/flux/bootstrap_gitlab.go

@@ -19,7 +19,6 @@ package main
 import (
 	"context"
 	"fmt"
-	"io/ioutil"
 	"os"
 	"regexp"
 	"strings"
@@ -159,7 +158,7 @@ func bootstrapGitLabCmdRun(cmd *cobra.Command, args []string) error {
 	}
 
 	// Lazy go-git repository
-	tmpDir, err := ioutil.TempDir("", "flux-bootstrap-")
+	tmpDir, err := os.MkdirTemp("", "flux-bootstrap-")
 	if err != nil {
 		return fmt.Errorf("failed to create temporary working dir: %w", err)
 	}

cmd/flux/create_helmrelease.go

@@ -20,7 +20,7 @@ import (
 	"context"
 	"encoding/json"
 	"fmt"
-	"io/ioutil"
+	"os"
 
 	"github.com/fluxcd/flux2/internal/flags"
 	"github.com/fluxcd/flux2/internal/utils"
@@ -201,7 +201,7 @@ func createHelmReleaseCmdRun(cmd *cobra.Command, args []string) error {
 	if len(helmReleaseArgs.valuesFiles) > 0 {
 		valuesMap := make(map[string]interface{})
 		for _, v := range helmReleaseArgs.valuesFiles {
-			data, err := ioutil.ReadFile(v)
+			data, err := os.ReadFile(v)
 			if err != nil {
 				return fmt.Errorf("reading values from %s failed: %w", v, err)
 			}

cmd/flux/create_source_bucket.go

@@ -19,7 +19,6 @@ package main
 import (
 	"context"
 	"fmt"
-	"io/ioutil"
 	"os"
 
 	"github.com/spf13/cobra"
@@ -112,7 +111,7 @@ func createSourceBucketCmdRun(cmd *cobra.Command, args []string) error {
 		return err
 	}
 
-	tmpDir, err := ioutil.TempDir("", name)
+	tmpDir, err := os.MkdirTemp("", name)
 	if err != nil {
 		return err
 	}

cmd/flux/create_source_git.go

@@ -20,7 +20,6 @@ import (
 	"context"
 	"crypto/elliptic"
 	"fmt"
-	"io/ioutil"
 	"net/url"
 	"os"
 
@@ -178,7 +177,7 @@ func createSourceGitCmdRun(cmd *cobra.Command, args []string) error {
 		return fmt.Errorf("recurse submodules requires --git-implementation=%s", sourcev1.GoGitImplementation)
 	}
 
-	tmpDir, err := ioutil.TempDir("", name)
+	tmpDir, err := os.MkdirTemp("", name)
 	if err != nil {
 		return err
 	}

cmd/flux/create_source_helm.go

@@ -19,7 +19,6 @@ package main
 import (
 	"context"
 	"fmt"
-	"io/ioutil"
 	"net/url"
 	"os"
 
@@ -106,7 +105,7 @@ func createSourceHelmCmdRun(cmd *cobra.Command, args []string) error {
 		return err
 	}
 
-	tmpDir, err := ioutil.TempDir("", name)
+	tmpDir, err := os.MkdirTemp("", name)
 	if err != nil {
 		return err
 	}

cmd/flux/install.go

@@ -19,7 +19,6 @@ package main
 import (
 	"context"
 	"fmt"
-	"io/ioutil"
 	"os"
 	"path/filepath"
 	"strings"
@@ -132,7 +131,7 @@ func installCmdRun(cmd *cobra.Command, args []string) error {
 		logger.Generatef("generating manifests")
 	}
 
-	tmpDir, err := ioutil.TempDir("", rootArgs.namespace)
+	tmpDir, err := os.MkdirTemp("", rootArgs.namespace)
 	if err != nil {
 		return err
 	}