Avoid using filepath.Dir function (#616)

* Avoid using filepath.Dir function

Signed-off-by: Kimmo Lehto <[email protected]>

* Just use stdlib "path.Dir"

Signed-off-by: Kimmo Lehto <[email protected]>

* Add a test

Signed-off-by: Kimmo Lehto <[email protected]>

---------

Signed-off-by: Kimmo Lehto <[email protected]>

Author: kke

phase/configure_k0s.go

@@ -4,7 +4,7 @@ import (
 	"bytes"
 	"context"
 	"fmt"
-	"path/filepath"
+	gopath "path"
 	"time"
 
 	"github.com/k0sproject/dig"
@@ -241,7 +241,7 @@ func (p *ConfigureK0s) configureK0s(h *cluster.Host) error {
 
 	log.Infof("%s: installing new configuration", h)
 	configPath := h.K0sConfigPath()
-	configDir := filepath.Dir(configPath)
+	configDir := gopath.Dir(configPath)
 
 	if !h.Configurer.FileExist(h, configDir) {
 		if err := h.Execf(`install -d 0750 -o root -g root "%s"`, configDir, exec.Sudo(h)); err != nil {

pkg/apis/k0sctl.k0sproject.io/v1beta1/cluster/host.go

@@ -3,7 +3,7 @@ package cluster
 import (
 	"fmt"
 	gos "os"
-	"path/filepath"
+	gopath "path"
 	"regexp"
 	"strconv"
 	"strings"
@@ -371,13 +371,17 @@ func (h *Host) K0sServiceName() string {
 	}
 }
 
+func (h *Host) k0sBinaryPathDir() string {
+	return gopath.Dir(h.Configurer.K0sBinaryPath())
+}
+
 // InstallK0sBinary installs the k0s binary from the provided file path to K0sBinaryPath
 func (h *Host) InstallK0sBinary(path string) error {
 	if !h.Configurer.FileExist(h, path) {
 		return fmt.Errorf("k0s binary tempfile not found")
 	}
 
-	dir := filepath.Dir(h.Configurer.K0sBinaryPath())
+	dir := h.k0sBinaryPathDir()
 	if err := h.Execf(`install -m 0755 -o root -g root -d "%s"`, dir, exec.Sudo(h)); err != nil {
 		return fmt.Errorf("create k0s binary dir: %w", err)
 	}

pkg/apis/k0sctl.k0sproject.io/v1beta1/cluster/host_test.go

@@ -134,3 +134,10 @@ func TestValidation(t *testing.T) {
 		require.ErrorContains(t, h.Validate(), "unbalanced quotes")
 	})
 }
+
+func TestBinaryPath(t *testing.T) {
+	h := Host{}
+	h.Configurer = &mockconfigurer{}
+	h.Configurer.SetPath("K0sBinaryPath", "/foo/bar/k0s")
+	require.Equal(t, "/foo/bar", h.k0sBinaryPathDir())
+}