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Make PKI data and RunnerFactory public objects (#865)

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* Make PKI data and RunnerFactory public objects

* removes unnecessary nullRunner object

* renames secure factory to point out MTLS
This commit is contained in:
Gerardo Viedma
2018-03-16 15:40:58 +00:00
committed by GitHub
parent 62de4a5c9a
commit 1cae6f988e
3 changed files with 15 additions and 36 deletions
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4
api/agent/lb_agent_test.go
View File

@@ -27,7 +27,7 @@ type mockRunner struct {
type mockRunnerPool struct {
runners []pool.Runner
generator insecureRunnerFactory
pki *pkiData
pki *pool.PKIData
}
func newMockRunnerPool(rf insecureRunnerFactory, runnerAddrs []string) *mockRunnerPool {
@@ -43,7 +43,7 @@ func newMockRunnerPool(rf insecureRunnerFactory, runnerAddrs []string) *mockRunn
return &mockRunnerPool{
runners: runners,
generator: rf,
pki: &pkiData{},
pki: &pool.PKIData{},
}
}

38
api/agent/runner_client.go
View File

@@ -16,28 +16,6 @@ import (
"github.com/sirupsen/logrus"
)
type pkiData struct {
ca string
key string
cert string
}
type nullRunner struct{}
func (n *nullRunner) TryExec(ctx context.Context, call pool.RunnerCall) (bool, error) {
return false, nil
}
func (n *nullRunner) Close() error {
return nil
}
func (n *nullRunner) Address() string {
return ""
}
var nullRunnerSingleton = new(nullRunner)
type gRPCRunner struct {
// Need a WaitGroup of TryExec in flight
wg sync.WaitGroup
@@ -46,16 +24,8 @@ type gRPCRunner struct {
client pb.RunnerProtocolClient
}
// allow factory to be overridden in tests
type secureRunnerFactory func(addr string, cert string, key string, ca string) (pool.Runner, error)
func secureGRPCRunnerFactory(addr string, cert string, key string, ca string) (pool.Runner, error) {
p := &pkiData{
cert: cert,
key: key,
ca: ca,
}
conn, client, err := runnerConnection(addr, p)
func SecureGRPCRunnerFactory(addr string, pki *pool.PKIData) (pool.Runner, error) {
conn, client, err := runnerConnection(addr, pki)
if err != nil {
return nil, err
}
@@ -85,13 +55,13 @@ func (r *gRPCRunner) Close(ctx context.Context) error {
}
}
func runnerConnection(address string, pki *pkiData) (*grpc.ClientConn, pb.RunnerProtocolClient, error) {
func runnerConnection(address string, pki *pool.PKIData) (*grpc.ClientConn, pb.RunnerProtocolClient, error) {
ctx := context.Background()
var creds credentials.TransportCredentials
if pki != nil {
var err error
creds, err = grpcutil.CreateCredentials(pki.cert, pki.key, pki.ca)
creds, err = grpcutil.CreateCredentials(pki.Cert, pki.Key, pki.Ca)
if err != nil {
logrus.WithError(err).Error("Unable to create credentials to connect to runner node")
return nil, nil, err

9
api/runnerpool/runner_pool.go
View File

@@ -21,6 +21,15 @@ type RunnerPool interface {
Shutdown(context.Context) error
}
type PKIData struct {
Ca string
Key string
Cert string
}
// MTLSRunnerFactory represents a factory method for constructing runners using mTLS
type MTLSRunnerFactory func(addr string, pki *PKIData) (Runner, error)
// Runner is the interface to invoke the execution of a function call on a specific runner
type Runner interface {
TryExec(ctx context.Context, call RunnerCall) (bool, error)