machine: add test to check config mount

Signed-off-by: Paul Holzinger <pholzing@redhat.com>

pkg/machine/e2e/basic_test.go

@@ -19,6 +19,7 @@ import (
 	. "github.com/onsi/gomega/gexec"
 	"go.podman.io/podman/v6/pkg/machine/define"
 	"go.podman.io/podman/v6/version/rawversion"
+	"go.podman.io/storage/pkg/configfile"
 )
 
 const TESTIMAGE = "quay.io/libpod/testimage:20241011"
@@ -31,6 +32,27 @@ var _ = Describe("run basic podman commands", func() {
 		Expect(err).ToNot(HaveOccurred())
 		Expect(session).To(Exit(0))
 
+		// Check that we mount the host config dir to the machine /etc/containers and and can write content from the host there.
+		path, err := configfile.UserConfigPath()
+		Expect(err).ToNot(HaveOccurred())
+		err = os.MkdirAll(path, 0o755)
+		Expect(err).ToNot(HaveOccurred())
+
+		content := randomString()
+		f, err := os.Create(filepath.Join(path, "podman-machine-tmpfile"))
+		Expect(err).ToNot(HaveOccurred())
+		_, err = f.WriteString(content)
+		Expect(err).ToNot(HaveOccurred())
+		err = f.Close()
+		Expect(err).ToNot(HaveOccurred())
+
+		ssh := new(sshMachine).withSSHCommand([]string{"cat /etc/containers/podman-machine-tmpfile"})
+		sshRun, err := mb.setName(name).setCmd(ssh).run()
+		Expect(err).ToNot(HaveOccurred())
+		Expect(sshRun).To(Exit(0))
+		Expect(sshRun.outputToString()).To(Equal(content))
+
+		// check some basic podman commands
 		bm := basicMachine{}
 		imgs, err := mb.setCmd(bm.withPodmanCommand([]string{"images", "-q"})).run()
 		Expect(err).ToNot(HaveOccurred())

pkg/machine/e2e/machine_test.go

@@ -150,6 +150,9 @@ func setup() (string, *machineTestBuilder) {
 			Fail("unable to set home dir on windows")
 		}
 	}
+	if err := os.Setenv("XDG_CONFIG_HOME", filepath.Join(homeDir, ".config")); err != nil {
+		Fail("failed to set XDG_CONFIG_HOME dir")
+	}
 	if err := os.Setenv("XDG_RUNTIME_DIR", homeDir); err != nil {
 		Fail("failed to set xdg_runtime dir")
 	}