forked from hashicorp/nomad
/
consul_testing.go
93 lines (79 loc) · 2.97 KB
/
consul_testing.go
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package client
import (
"fmt"
"log"
"sync"
"github.com/hashicorp/nomad/client/driver"
cstructs "github.com/hashicorp/nomad/client/structs"
"github.com/hashicorp/nomad/command/agent/consul"
"github.com/hashicorp/nomad/helper/testlog"
"github.com/hashicorp/nomad/nomad/structs"
"github.com/mitchellh/go-testing-interface"
)
// mockConsulOp represents the register/deregister operations.
type mockConsulOp struct {
op string // add, remove, or update
allocID string
task *structs.Task
exec driver.ScriptExecutor
net *cstructs.DriverNetwork
}
func newMockConsulOp(op, allocID string, task *structs.Task, exec driver.ScriptExecutor, net *cstructs.DriverNetwork) 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,
exec: exec,
net: net,
}
}
// 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(allocID string, old, new *structs.Task, restarter consul.TaskRestarter, exec driver.ScriptExecutor, net *cstructs.DriverNetwork) error {
m.mu.Lock()
defer m.mu.Unlock()
m.logger.Printf("[TEST] mock_consul: UpdateTask(%q, %v, %v, %T, %x)", allocID, old, new, exec, net.Hash())
m.ops = append(m.ops, newMockConsulOp("update", allocID, new, exec, net))
return nil
}
func (m *mockConsulServiceClient) RegisterTask(allocID string, task *structs.Task, restarter consul.TaskRestarter, exec driver.ScriptExecutor, net *cstructs.DriverNetwork) error {
m.mu.Lock()
defer m.mu.Unlock()
m.logger.Printf("[TEST] mock_consul: RegisterTask(%q, %q, %T, %x)", allocID, task.Name, exec, net.Hash())
m.ops = append(m.ops, newMockConsulOp("add", allocID, task, exec, net))
return nil
}
func (m *mockConsulServiceClient) RemoveTask(allocID string, task *structs.Task) {
m.mu.Lock()
defer m.mu.Unlock()
m.logger.Printf("[TEST] mock_consul: RemoveTask(%q, %q)", allocID, task.Name)
m.ops = append(m.ops, newMockConsulOp("remove", allocID, task, nil, nil))
}
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, nil, nil, nil))
if m.allocRegistrationsFn != nil {
return m.allocRegistrationsFn(allocID)
}
return nil, nil
}