open-consul/agent/connect/ca/provider_vault_test.go

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package ca
import (
"fmt"
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"io/ioutil"
"net"
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"testing"
"time"
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"github.com/hashicorp/consul/agent/connect"
vaultapi "github.com/hashicorp/vault/api"
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"github.com/hashicorp/vault/builtin/logical/pki"
vaulthttp "github.com/hashicorp/vault/http"
"github.com/hashicorp/vault/vault"
"github.com/stretchr/testify/require"
)
func testVaultCluster(t *testing.T) (*VaultProvider, *vault.Core, net.Listener) {
if err := vault.AddTestLogicalBackend("pki", pki.Factory); err != nil {
t.Fatal(err)
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}
core, _, token := vault.TestCoreUnsealedRaw(t)
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ln, addr := vaulthttp.TestServer(t, core)
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provider, err := NewVaultProvider(map[string]interface{}{
"Address": addr,
"Token": token,
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"RootPKIPath": "pki-root/",
"IntermediatePKIPath": "pki-intermediate/",
}, "asdf")
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if err != nil {
t.Fatal(err)
}
return provider, core, ln
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}
func TestVaultCAProvider_Bootstrap(t *testing.T) {
t.Parallel()
require := require.New(t)
provider, core, listener := testVaultCluster(t)
defer core.Shutdown()
defer listener.Close()
client, err := vaultapi.NewClient(&vaultapi.Config{
Address: "http://" + listener.Addr().String(),
})
require.NoError(err)
client.SetToken(provider.config.Token)
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cases := []struct {
certFunc func() (string, error)
backendPath string
}{
{
certFunc: provider.ActiveRoot,
backendPath: "pki-root/",
},
{
certFunc: provider.ActiveIntermediate,
backendPath: "pki-intermediate/",
},
}
// Verify the root and intermediate certs match the ones in the vault backends
for _, tc := range cases {
cert, err := tc.certFunc()
require.NoError(err)
req := client.NewRequest("GET", "/v1/"+tc.backendPath+"ca/pem")
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resp, err := client.RawRequest(req)
require.NoError(err)
bytes, err := ioutil.ReadAll(resp.Body)
require.NoError(err)
require.Equal(cert, string(bytes))
// Should be a valid CA cert
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parsed, err := connect.ParseCert(cert)
require.NoError(err)
require.True(parsed.IsCA)
require.Len(parsed.URIs, 1)
require.Equal(parsed.URIs[0].String(), fmt.Sprintf("spiffe://%s.consul", provider.clusterId))
}
}
func TestVaultCAProvider_SignLeaf(t *testing.T) {
t.Parallel()
require := require.New(t)
provider, core, listener := testVaultCluster(t)
defer core.Shutdown()
defer listener.Close()
client, err := vaultapi.NewClient(&vaultapi.Config{
Address: "http://" + listener.Addr().String(),
})
require.NoError(err)
client.SetToken(provider.config.Token)
spiffeService := &connect.SpiffeIDService{
Host: "node1",
Namespace: "default",
Datacenter: "dc1",
Service: "foo",
}
// Generate a leaf cert for the service.
var firstSerial uint64
{
raw, _ := connect.TestCSR(t, spiffeService)
csr, err := connect.ParseCSR(raw)
require.NoError(err)
cert, err := provider.Sign(csr)
require.NoError(err)
parsed, err := connect.ParseCert(cert)
require.NoError(err)
require.Equal(parsed.URIs[0], spiffeService.URI())
firstSerial = parsed.SerialNumber.Uint64()
// Ensure the cert is valid now and expires within the correct limit.
require.True(parsed.NotAfter.Sub(time.Now()) < 3*24*time.Hour)
require.True(parsed.NotBefore.Before(time.Now()))
}
// Generate a new cert for another service and make sure
// the serial number is unique.
spiffeService.Service = "bar"
{
raw, _ := connect.TestCSR(t, spiffeService)
csr, err := connect.ParseCSR(raw)
require.NoError(err)
cert, err := provider.Sign(csr)
require.NoError(err)
parsed, err := connect.ParseCert(cert)
require.NoError(err)
require.Equal(parsed.URIs[0], spiffeService.URI())
require.NotEqual(firstSerial, parsed.SerialNumber.Uint64())
// Ensure the cert is valid now and expires within the correct limit.
require.True(parsed.NotAfter.Sub(time.Now()) < 3*24*time.Hour)
require.True(parsed.NotBefore.Before(time.Now()))
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}
}
func TestVaultCAProvider_CrossSignCA(t *testing.T) {
t.Parallel()
provider1, core1, listener1 := testVaultCluster(t)
defer core1.Shutdown()
defer listener1.Close()
provider2, core2, listener2 := testVaultCluster(t)
defer core2.Shutdown()
defer listener2.Close()
testCrossSignProviders(t, provider1, provider2)
}