open-nomad/client/consul_testing.go

87 lines
2.4 KiB
Go

package client
import (
"fmt"
"log"
"sync"
"github.com/hashicorp/nomad/command/agent/consul"
"github.com/hashicorp/nomad/helper/testlog"
"github.com/mitchellh/go-testing-interface"
)
// mockConsulOp represents the register/deregister operations.
type mockConsulOp struct {
op string // add, remove, or update
allocID string
task string
}
func newMockConsulOp(op, allocID, task string) mockConsulOp {
if op != "add" && op != "remove" && op != "update" && op != "alloc_registrations" {
panic(fmt.Errorf("invalid consul op: %s", op))
}
return mockConsulOp{
op: op,
allocID: allocID,
task: task,
}
}
// mockConsulServiceClient implements the ConsulServiceAPI interface to record
// and log task registration/deregistration.
type mockConsulServiceClient struct {
ops []mockConsulOp
mu sync.Mutex
logger *log.Logger
// allocRegistrationsFn allows injecting return values for the
// AllocRegistrations function.
allocRegistrationsFn func(allocID string) (*consul.AllocRegistration, error)
}
func newMockConsulServiceClient(t testing.T) *mockConsulServiceClient {
m := mockConsulServiceClient{
ops: make([]mockConsulOp, 0, 20),
logger: testlog.Logger(t),
}
return &m
}
func (m *mockConsulServiceClient) UpdateTask(old, new *consul.TaskServices) error {
m.mu.Lock()
defer m.mu.Unlock()
m.logger.Printf("[TEST] mock_consul: UpdateTask(alloc: %s, task: %s)", new.AllocID[:6], new.Name)
m.ops = append(m.ops, newMockConsulOp("update", new.AllocID, new.Name))
return nil
}
func (m *mockConsulServiceClient) RegisterTask(task *consul.TaskServices) error {
m.mu.Lock()
defer m.mu.Unlock()
m.logger.Printf("[TEST] mock_consul: RegisterTask(alloc: %s, task: %s)", task.AllocID, task.Name)
m.ops = append(m.ops, newMockConsulOp("add", task.AllocID, task.Name))
return nil
}
func (m *mockConsulServiceClient) RemoveTask(task *consul.TaskServices) {
m.mu.Lock()
defer m.mu.Unlock()
m.logger.Printf("[TEST] mock_consul: RemoveTask(%q, %q)", task.AllocID, task.Name)
m.ops = append(m.ops, newMockConsulOp("remove", task.AllocID, task.Name))
}
func (m *mockConsulServiceClient) AllocRegistrations(allocID string) (*consul.AllocRegistration, error) {
m.mu.Lock()
defer m.mu.Unlock()
m.logger.Printf("[TEST] mock_consul: AllocRegistrations(%q)", allocID)
m.ops = append(m.ops, newMockConsulOp("alloc_registrations", allocID, ""))
if m.allocRegistrationsFn != nil {
return m.allocRegistrationsFn(allocID)
}
return nil, nil
}