name:     "foo",
			expected: true,
		},
	}
	for _, rt := range tests {
		t.Run(rt.desc, func(t *testing.T) {
			_, _, actual := TryLoadCertAndKeyFromDisk(rt.path, rt.name)
			if (actual == nil) != rt.expected {
				t.Errorf(
					"failed TryLoadCertAndKeyFromDisk:\n\texpected: %t\n\t  actual: %t",
					rt.expected,
					(actual == nil),
				)
			}
		})
	}
}

	// Adds a pki folder with a ca cert to the temp folder
	pkidir := testutil.SetupPkiDirWithCertificateAuthority(t, tmpdir)

	// Retrieves ca cert for assertions
	caCert, _, err := pkiutil.TryLoadCertAndKeyFromDisk(pkidir, kubeadmconstants.CACertAndKeyBaseName)
	if err != nil {
		t.Fatalf("couldn't retrieve ca cert: %v", err)
	}

	var tests = []struct {
		name                   string
		command                string

// NB. this method holds the information about how kubeadm creates kubeconfig files.
func getKubeConfigSpecs(cfg *kubeadmapi.InitConfiguration) (map[string]*kubeConfigSpec, error) {
	caCert, caKey, err := pkiutil.TryLoadCertAndKeyFromDisk(cfg.CertificatesDir, kubeadmconstants.CACertAndKeyBaseName)
	if os.IsNotExist(errors.Cause(err)) {
		return nil, errors.Wrap(err, "the CA files do not exist, please run `kubeadm init phase certs ca` to generate it")
	}

		return nil, nil, errors.Errorf("couldn't load %s certificate authority from %s", baseName, pkiDir)
	}

	// Try to load certificate authority .crt and .key from the PKI directory
	caCert, caKey, err := pkiutil.TryLoadCertAndKeyFromDisk(pkiDir, baseName)
	if err != nil {
		return nil, nil, errors.Wrapf(err, "failure loading %s certificate authority", baseName)
	}
	// Validate period
	CheckCertificatePeriodValidity(baseName, caCert)

			continue
		}

		// asserts expected files are there
		testutil.AssertFileExists(t, tmpdir, "dummy.key", "dummy.crt")

		// check created cert
		resultingCaCert, _, err := pkiutil.TryLoadCertAndKeyFromDisk(tmpdir, "dummy")
		if err != nil {
			t.Errorf("failure reading created cert: %v", err)
			continue
		}
		if !resultingCaCert.Equal(test.expectedCa) {

	_, csrErr := os.Stat(csrPath)
	_, keyErr := os.Stat(keyPath)

	return !(os.IsNotExist(csrErr) && os.IsNotExist(keyErr))
}

// TryLoadCertAndKeyFromDisk tries to load a cert and a key from the disk and validates that they are valid
func TryLoadCertAndKeyFromDisk(pkiPath, name string) (*x509.Certificate, crypto.Signer, error) {
	cert, err := TryLoadCertFromDisk(pkiPath, name)
	if err != nil {

	// Adds a pki folder with a ca cert to the temp folder
	pkidir := testutil.SetupPkiDirWithCertificateAuthority(t, tmpdir)

	// Retrieves ca cert for assertions
	caCert, _, err := pkiutil.TryLoadCertAndKeyFromDisk(pkidir, kubeadmconstants.CACertAndKeyBaseName)
	if err != nil {
		t.Fatalf("couldn't retrieve ca cert: %v", err)
	}

	// Creates an InitConfiguration pointing to the pkidir folder