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Merge pull request #12711 from spowelljr/fixMount
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Fix mounting on non-default profile
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spowelljr authored Oct 15, 2021
2 parents 22a5705 + 0fcf1ed commit 99661e6
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Showing 4 changed files with 119 additions and 3 deletions.
18 changes: 17 additions & 1 deletion cmd/minikube/cmd/delete.go
Original file line number Diff line number Diff line change
Expand Up @@ -517,7 +517,23 @@ func deleteMachineDirectories(cc *config.ClusterConfig) {

// killMountProcess kills the mount process, if it is running
func killMountProcess() error {
pidPath := filepath.Join(localpath.MiniPath(), constants.MountProcessFileName)
profile := viper.GetString("profile")
paths := []string{
localpath.MiniPath(), // legacy mount-process path for backwards compatibility
localpath.Profile(profile),
}

for _, path := range paths {
if err := killProcess(path); err != nil {
return err
}
}

return nil
}

func killProcess(path string) error {
pidPath := filepath.Join(path, constants.MountProcessFileName)
if _, err := os.Stat(pidPath); os.IsNotExist(err) {
return nil
}
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5 changes: 3 additions & 2 deletions pkg/minikube/node/config.go
Original file line number Diff line number Diff line change
Expand Up @@ -65,7 +65,8 @@ func configureMounts(wg *sync.WaitGroup) {
if klog.V(8).Enabled() {
mountDebugVal = 1
}
mountCmd := exec.Command(path, "mount", fmt.Sprintf("--v=%d", mountDebugVal), viper.GetString(mountString))
profile := viper.GetString("profile")
mountCmd := exec.Command(path, "mount", "-p", profile, fmt.Sprintf("--v=%d", mountDebugVal), viper.GetString(mountString))
mountCmd.Env = append(os.Environ(), constants.IsMinikubeChildProcess+"=true")
if klog.V(8).Enabled() {
mountCmd.Stdout = os.Stdout
Expand All @@ -74,7 +75,7 @@ func configureMounts(wg *sync.WaitGroup) {
if err := mountCmd.Start(); err != nil {
exit.Error(reason.GuestMount, "Error starting mount", err)
}
if err := lock.WriteFile(filepath.Join(localpath.MiniPath(), constants.MountProcessFileName), []byte(strconv.Itoa(mountCmd.Process.Pid)), 0o644); err != nil {
if err := lock.WriteFile(filepath.Join(localpath.Profile(profile), constants.MountProcessFileName), []byte(strconv.Itoa(mountCmd.Process.Pid)), 0o644); err != nil {
exit.Error(reason.HostMountPid, "Error writing mount pid", err)
}
}
9 changes: 9 additions & 0 deletions site/content/en/docs/contrib/tests.en.md
Original file line number Diff line number Diff line change
Expand Up @@ -424,6 +424,15 @@ verifies the docker driver and run with an existing network
## TestingKicBaseImage
will return true if the integraiton test is running against a passed --base-image flag

## TestMountStart
tests using the mount command on start

#### validateStartWithMount
starts a cluster with mount enabled

#### validateMount
checks if the cluster has a folder mounted

## TestMultiNode
tests all multi node cluster functionality

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90 changes: 90 additions & 0 deletions test/integration/mount_start_test.go
Original file line number Diff line number Diff line change
@@ -0,0 +1,90 @@
//go:build integration
// +build integration

/*
Copyright 2021 The Kubernetes Authors All rights reserved.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/

package integration

import (
"context"
"os/exec"
"testing"
)

// TestMountStart tests using the mount command on start
func TestMountStart(t *testing.T) {
if NoneDriver() {
t.Skip("skipping: none driver does not support mount")
}

MaybeParallel(t)

type validateFunc func(context.Context, *testing.T, string)
profile1 := UniqueProfileName("mount-start-1")
profile2 := UniqueProfileName("mount-start-2")
ctx, cancel := context.WithTimeout(context.Background(), Minutes(15))
defer Cleanup(t, profile1, cancel)
defer Cleanup(t, profile2, cancel)

// Serial tests
t.Run("serial", func(t *testing.T) {
tests := []struct {
name string
validator validateFunc
profile string
}{
{"StartWithMountFirst", validateStartWithMount, profile1},
{"StartWithMountSecond", validateStartWithMount, profile2},
{"VerifyMountFirst", validateMount, profile1},
{"VerifyMountSecond", validateMount, profile2},
{"DeleteFirst", validateDelete, profile1},
{"VerifyMountPostDelete", validateMount, profile2},
}

for _, test := range tests {
if ctx.Err() == context.DeadlineExceeded {
t.Fatalf("Unable to run more tests (deadline exceeded)")
}

t.Run(test.name, func(t *testing.T) {
test.validator(ctx, t, test.profile)
})
}
})
}

// validateStartWithMount starts a cluster with mount enabled
func validateStartWithMount(ctx context.Context, t *testing.T, profile string) {
defer PostMortemLogs(t, profile)

args := []string{"start", "-p", profile, "--memory=2048", "--mount"}
rr, err := Run(t, exec.CommandContext(ctx, Target(), args...))
if err != nil {
t.Fatalf("failed to start minikube with args: %q : %v", rr.Command(), err)
}
}

// validateMount checks if the cluster has a folder mounted
func validateMount(ctx context.Context, t *testing.T, profile string) {
defer PostMortemLogs(t, profile)

args := []string{"-p", profile, "ssh", "ls", "/minikube-host"}
rr, err := Run(t, exec.CommandContext(ctx, Target(), args...))
if err != nil {
t.Fatalf("mount failed: %q : %v", rr.Command(), err)
}
}

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