open-vault/command/agent/auth/auth_test.go
Jim Kalafut 4ef8d66318
Reset agent backoff on successful auth (#11033)
The existing code would retain the previous backoff value even after the
system had recovered. This PR fixes that issue and improves the
structure of the backoff code.
2021-03-03 14:15:18 -08:00

146 lines
3.2 KiB
Go

package auth
import (
"context"
"net/http"
"testing"
"time"
"github.com/hashicorp/go-hclog"
"github.com/hashicorp/vault/api"
"github.com/hashicorp/vault/builtin/credential/userpass"
vaulthttp "github.com/hashicorp/vault/http"
"github.com/hashicorp/vault/sdk/helper/logging"
"github.com/hashicorp/vault/sdk/logical"
"github.com/hashicorp/vault/vault"
)
type userpassTestMethod struct{}
func newUserpassTestMethod(t *testing.T, client *api.Client) AuthMethod {
err := client.Sys().EnableAuthWithOptions("userpass", &api.EnableAuthOptions{
Type: "userpass",
Config: api.AuthConfigInput{
DefaultLeaseTTL: "1s",
MaxLeaseTTL: "3s",
},
})
if err != nil {
t.Fatal(err)
}
return &userpassTestMethod{}
}
func (u *userpassTestMethod) Authenticate(_ context.Context, client *api.Client) (string, http.Header, map[string]interface{}, error) {
_, err := client.Logical().Write("auth/userpass/users/foo", map[string]interface{}{
"password": "bar",
})
if err != nil {
return "", nil, nil, err
}
return "auth/userpass/login/foo", nil, map[string]interface{}{
"password": "bar",
}, nil
}
func (u *userpassTestMethod) NewCreds() chan struct{} {
return nil
}
func (u *userpassTestMethod) CredSuccess() {
}
func (u *userpassTestMethod) Shutdown() {
}
func TestAuthHandler(t *testing.T) {
logger := logging.NewVaultLogger(hclog.Trace)
coreConfig := &vault.CoreConfig{
Logger: logger,
CredentialBackends: map[string]logical.Factory{
"userpass": userpass.Factory,
},
}
cluster := vault.NewTestCluster(t, coreConfig, &vault.TestClusterOptions{
HandlerFunc: vaulthttp.Handler,
})
cluster.Start()
defer cluster.Cleanup()
vault.TestWaitActive(t, cluster.Cores[0].Core)
client := cluster.Cores[0].Client
ctx, cancelFunc := context.WithCancel(context.Background())
ah := NewAuthHandler(&AuthHandlerConfig{
Logger: logger.Named("auth.handler"),
Client: client,
})
am := newUserpassTestMethod(t, client)
errCh := make(chan error)
go func() {
errCh <- ah.Run(ctx, am)
}()
// Consume tokens so we don't block
stopTime := time.Now().Add(5 * time.Second)
closed := false
consumption:
for {
select {
case err := <-errCh:
if err != nil {
t.Fatal(err)
}
break consumption
case <-ah.OutputCh:
case <-ah.TemplateTokenCh:
// Nothing
case <-time.After(stopTime.Sub(time.Now())):
if !closed {
cancelFunc()
closed = true
}
}
}
}
func TestAgentBackoff(t *testing.T) {
max := 1024 * time.Second
backoff := newAgentBackoff(max)
// Test initial value
if backoff.current != initialBackoff {
t.Fatalf("expected 1s initial backoff, got: %v", backoff.current)
}
// Test that backoff values are in expected range (75-100% of 2*previous)
for i := 0; i < 9; i++ {
old := backoff.current
backoff.next()
expMax := 2 * old
expMin := 3 * expMax / 4
if backoff.current < expMin || backoff.current > expMax {
t.Fatalf("expected backoff in range %v to %v, got: %v", expMin, expMax, backoff)
}
}
// Test that backoff is capped
for i := 0; i < 100; i++ {
backoff.next()
if backoff.current > max {
t.Fatalf("backoff exceeded max of 100s: %v", backoff)
}
}
// Test reset
backoff.reset()
if backoff.current != initialBackoff {
t.Fatalf("expected 1s backoff after reset, got: %v", backoff.current)
}
}