open-consul/agent/consul/auto_encrypt_test.go

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package consul
import (
"context"
"crypto/x509"
"crypto/x509/pkix"
"encoding/asn1"
"net"
"net/url"
"os"
"testing"
"time"
"github.com/hashicorp/consul/agent/connect"
"github.com/hashicorp/consul/agent/structs"
"github.com/hashicorp/consul/sdk/testutil"
"github.com/hashicorp/go-hclog"
"github.com/stretchr/testify/require"
)
func TestAutoEncrypt_resolveAddr(t *testing.T) {
type args struct {
rawHost string
logger hclog.Logger
}
logger := testutil.Logger(t)
tests := []struct {
name string
args args
ips []net.IP
wantErr bool
}{
{
name: "host without port",
args: args{
"127.0.0.1",
logger,
},
ips: []net.IP{net.IPv4(127, 0, 0, 1)},
wantErr: false,
},
{
name: "host with port",
args: args{
"127.0.0.1:1234",
logger,
},
ips: []net.IP{net.IPv4(127, 0, 0, 1)},
wantErr: false,
},
{
name: "host with broken port",
args: args{
"127.0.0.1:xyz",
logger,
},
ips: []net.IP{net.IPv4(127, 0, 0, 1)},
wantErr: false,
},
{
name: "not an address",
args: args{
"abc",
logger,
},
ips: nil,
wantErr: true,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
ips, err := resolveAddr(tt.args.rawHost, tt.args.logger)
if (err != nil) != tt.wantErr {
t.Errorf("resolveAddr error: %v, wantErr: %v", err, tt.wantErr)
return
}
require.Equal(t, tt.ips, ips)
})
}
}
func TestAutoEncrypt_missingPortError(t *testing.T) {
host := "127.0.0.1"
_, _, err := net.SplitHostPort(host)
require.True(t, missingPortError(host, err))
host = "127.0.0.1:1234"
_, _, err = net.SplitHostPort(host)
require.False(t, missingPortError(host, err))
}
func TestAutoEncrypt_RequestAutoEncryptCerts(t *testing.T) {
dir1, c1 := testClient(t)
defer os.RemoveAll(dir1)
defer c1.Shutdown()
servers := []string{"localhost"}
port := 8301
token := ""
ctx, cancel := context.WithDeadline(context.Background(), time.Now().Add(75*time.Millisecond))
defer cancel()
doneCh := make(chan struct{})
var err error
go func() {
_, err = c1.RequestAutoEncryptCerts(ctx, servers, port, token, nil, nil)
close(doneCh)
}()
select {
case <-doneCh:
// since there are no servers at this port, we shouldn't be
// done and this should be an error of some sorts that happened
// in the setup phase before entering the for loop in
// RequestAutoEncryptCerts.
require.NoError(t, err)
case <-ctx.Done():
// this is the happy case since auto encrypt is in its loop to
// try to request certs.
}
}
func TestAutoEncrypt_autoEncryptCSR(t *testing.T) {
type testCase struct {
conf *Config
extraDNSSANs []string
extraIPSANs []net.IP
err string
// to validate the csr
expectedSubject pkix.Name
expectedSigAlg x509.SignatureAlgorithm
expectedPubAlg x509.PublicKeyAlgorithm
expectedDNSNames []string
expectedIPs []net.IP
expectedURIs []*url.URL
}
cases := map[string]testCase{
"sans": {
conf: &Config{
Datacenter: "dc1",
NodeName: "test-node",
CAConfig: &structs.CAConfiguration{},
},
extraDNSSANs: []string{"foo.local", "bar.local"},
extraIPSANs: []net.IP{net.IPv4(198, 18, 0, 1), net.IPv4(198, 18, 0, 2)},
expectedSubject: pkix.Name{
CommonName: connect.AgentCN("test-node", dummyTrustDomain),
Names: []pkix.AttributeTypeAndValue{
{
// 2,5,4,3 is the CommonName type ASN1 identifier
Type: asn1.ObjectIdentifier{2, 5, 4, 3},
Value: "testnode.agnt.dummy.tr.consul",
},
},
},
expectedSigAlg: x509.ECDSAWithSHA256,
expectedPubAlg: x509.ECDSA,
expectedDNSNames: []string{
"localhost",
"foo.local",
"bar.local",
},
expectedIPs: []net.IP{
{127, 0, 0, 1},
net.ParseIP("::1"),
{198, 18, 0, 1},
{198, 18, 0, 2},
},
expectedURIs: []*url.URL{
{
Scheme: "spiffe",
Host: dummyTrustDomain,
Path: "/agent/client/dc/dc1/id/test-node",
},
},
},
}
for name, tcase := range cases {
t.Run(name, func(t *testing.T) {
client := Client{config: tcase.conf}
_, csr, err := client.autoEncryptCSR(tcase.extraDNSSANs, tcase.extraIPSANs)
if tcase.err == "" {
require.NoError(t, err)
request, err := connect.ParseCSR(csr)
require.NoError(t, err)
require.NotNil(t, request)
require.Equal(t, tcase.expectedSubject, request.Subject)
require.Equal(t, tcase.expectedSigAlg, request.SignatureAlgorithm)
require.Equal(t, tcase.expectedPubAlg, request.PublicKeyAlgorithm)
require.Equal(t, tcase.expectedDNSNames, request.DNSNames)
require.Equal(t, tcase.expectedIPs, request.IPAddresses)
require.Equal(t, tcase.expectedURIs, request.URIs)
} else {
require.Error(t, err)
require.Empty(t, csr)
}
})
}
}