305 lines
9.3 KiB
Go
305 lines
9.3 KiB
Go
package allocrunner
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import (
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"io/ioutil"
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"testing"
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"time"
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consulapi "github.com/hashicorp/consul/api"
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ctestutil "github.com/hashicorp/consul/sdk/testutil"
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"github.com/hashicorp/nomad/client/allocrunner/interfaces"
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"github.com/hashicorp/nomad/client/consul"
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"github.com/hashicorp/nomad/client/taskenv"
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agentconsul "github.com/hashicorp/nomad/command/agent/consul"
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"github.com/hashicorp/nomad/helper"
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"github.com/hashicorp/nomad/helper/testlog"
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"github.com/hashicorp/nomad/nomad/mock"
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"github.com/hashicorp/nomad/nomad/structs"
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"github.com/stretchr/testify/require"
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)
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var _ interfaces.RunnerPrerunHook = (*groupServiceHook)(nil)
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var _ interfaces.RunnerUpdateHook = (*groupServiceHook)(nil)
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var _ interfaces.RunnerPostrunHook = (*groupServiceHook)(nil)
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var _ interfaces.RunnerPreKillHook = (*groupServiceHook)(nil)
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var _ interfaces.RunnerTaskRestartHook = (*groupServiceHook)(nil)
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// TestGroupServiceHook_NoGroupServices asserts calling group service hooks
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// without group services does not error.
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func TestGroupServiceHook_NoGroupServices(t *testing.T) {
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t.Parallel()
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alloc := mock.Alloc()
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alloc.Job.TaskGroups[0].Services = []*structs.Service{{
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Name: "foo",
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PortLabel: "9999",
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}}
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logger := testlog.HCLogger(t)
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consulClient := consul.NewMockConsulServiceClient(t, logger)
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h := newGroupServiceHook(groupServiceHookConfig{
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alloc: alloc,
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consul: consulClient,
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restarter: agentconsul.NoopRestarter(),
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taskEnvBuilder: taskenv.NewBuilder(mock.Node(), alloc, nil, alloc.Job.Region),
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logger: logger,
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})
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require.NoError(t, h.Prerun())
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req := &interfaces.RunnerUpdateRequest{Alloc: alloc}
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require.NoError(t, h.Update(req))
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require.NoError(t, h.Postrun())
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require.NoError(t, h.PreTaskRestart())
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ops := consulClient.GetOps()
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require.Len(t, ops, 5)
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require.Equal(t, "add", ops[0].Op) // Prerun
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require.Equal(t, "update", ops[1].Op) // Update
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require.Equal(t, "remove", ops[2].Op) // Postrun
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require.Equal(t, "remove", ops[3].Op) // Restart -> preKill
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require.Equal(t, "add", ops[4].Op) // Restart -> preRun
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}
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// TestGroupServiceHook_ShutdownDelayUpdate asserts calling group service hooks
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// update updates the hooks delay value.
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func TestGroupServiceHook_ShutdownDelayUpdate(t *testing.T) {
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t.Parallel()
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alloc := mock.Alloc()
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alloc.Job.TaskGroups[0].ShutdownDelay = helper.TimeToPtr(10 * time.Second)
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logger := testlog.HCLogger(t)
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consulClient := consul.NewMockConsulServiceClient(t, logger)
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h := newGroupServiceHook(groupServiceHookConfig{
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alloc: alloc,
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consul: consulClient,
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restarter: agentconsul.NoopRestarter(),
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taskEnvBuilder: taskenv.NewBuilder(mock.Node(), alloc, nil, alloc.Job.Region),
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logger: logger,
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})
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require.NoError(t, h.Prerun())
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// Incease shutdown Delay
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alloc.Job.TaskGroups[0].ShutdownDelay = helper.TimeToPtr(15 * time.Second)
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req := &interfaces.RunnerUpdateRequest{Alloc: alloc}
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require.NoError(t, h.Update(req))
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// Assert that update updated the delay value
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require.Equal(t, h.delay, 15*time.Second)
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// Remove shutdown delay
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alloc.Job.TaskGroups[0].ShutdownDelay = nil
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req = &interfaces.RunnerUpdateRequest{Alloc: alloc}
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require.NoError(t, h.Update(req))
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// Assert that update updated the delay value
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require.Equal(t, h.delay, 0*time.Second)
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}
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// TestGroupServiceHook_GroupServices asserts group service hooks with group
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// services does not error.
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func TestGroupServiceHook_GroupServices(t *testing.T) {
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t.Parallel()
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alloc := mock.ConnectAlloc()
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logger := testlog.HCLogger(t)
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consulClient := consul.NewMockConsulServiceClient(t, logger)
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h := newGroupServiceHook(groupServiceHookConfig{
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alloc: alloc,
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consul: consulClient,
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restarter: agentconsul.NoopRestarter(),
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taskEnvBuilder: taskenv.NewBuilder(mock.Node(), alloc, nil, alloc.Job.Region),
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logger: logger,
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})
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require.NoError(t, h.Prerun())
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req := &interfaces.RunnerUpdateRequest{Alloc: alloc}
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require.NoError(t, h.Update(req))
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require.NoError(t, h.Postrun())
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require.NoError(t, h.PreTaskRestart())
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ops := consulClient.GetOps()
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require.Len(t, ops, 5)
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require.Equal(t, "add", ops[0].Op) // Prerun
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require.Equal(t, "update", ops[1].Op) // Update
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require.Equal(t, "remove", ops[2].Op) // Postrun
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require.Equal(t, "remove", ops[3].Op) // Restart -> preKill
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require.Equal(t, "add", ops[4].Op) // Restart -> preRun
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}
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// TestGroupServiceHook_Error asserts group service hooks with group
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// services but no group network is handled gracefully.
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func TestGroupServiceHook_NoNetwork(t *testing.T) {
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t.Parallel()
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alloc := mock.Alloc()
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alloc.Job.TaskGroups[0].Networks = []*structs.NetworkResource{}
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tg := alloc.Job.LookupTaskGroup(alloc.TaskGroup)
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tg.Services = []*structs.Service{
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{
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Name: "testconnect",
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PortLabel: "9999",
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Connect: &structs.ConsulConnect{
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SidecarService: &structs.ConsulSidecarService{},
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},
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},
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}
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logger := testlog.HCLogger(t)
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consulClient := consul.NewMockConsulServiceClient(t, logger)
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h := newGroupServiceHook(groupServiceHookConfig{
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alloc: alloc,
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consul: consulClient,
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restarter: agentconsul.NoopRestarter(),
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taskEnvBuilder: taskenv.NewBuilder(mock.Node(), alloc, nil, alloc.Job.Region),
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logger: logger,
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})
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require.NoError(t, h.Prerun())
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req := &interfaces.RunnerUpdateRequest{Alloc: alloc}
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require.NoError(t, h.Update(req))
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require.NoError(t, h.Postrun())
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require.NoError(t, h.PreTaskRestart())
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ops := consulClient.GetOps()
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require.Len(t, ops, 5)
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require.Equal(t, "add", ops[0].Op) // Prerun
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require.Equal(t, "update", ops[1].Op) // Update
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require.Equal(t, "remove", ops[2].Op) // Postrun
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require.Equal(t, "remove", ops[3].Op) // Restart -> preKill
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require.Equal(t, "add", ops[4].Op) // Restart -> preRun
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}
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func TestGroupServiceHook_getWorkloadServices(t *testing.T) {
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t.Parallel()
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alloc := mock.Alloc()
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alloc.Job.TaskGroups[0].Networks = []*structs.NetworkResource{}
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tg := alloc.Job.LookupTaskGroup(alloc.TaskGroup)
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tg.Services = []*structs.Service{
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{
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Name: "testconnect",
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PortLabel: "9999",
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Connect: &structs.ConsulConnect{
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SidecarService: &structs.ConsulSidecarService{},
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},
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},
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}
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logger := testlog.HCLogger(t)
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consulClient := consul.NewMockConsulServiceClient(t, logger)
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h := newGroupServiceHook(groupServiceHookConfig{
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alloc: alloc,
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consul: consulClient,
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restarter: agentconsul.NoopRestarter(),
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taskEnvBuilder: taskenv.NewBuilder(mock.Node(), alloc, nil, alloc.Job.Region),
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logger: logger,
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})
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services := h.getWorkloadServices()
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require.Len(t, services.Services, 1)
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}
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// TestGroupServiceHook_Update08Alloc asserts that adding group services to a previously
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// 0.8 alloc works.
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//
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// COMPAT(0.11) Only valid for upgrades from 0.8.
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func TestGroupServiceHook_Update08Alloc(t *testing.T) {
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// Create an embedded Consul server
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testconsul, err := ctestutil.NewTestServerConfigT(t, func(c *ctestutil.TestServerConfig) {
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// If -v wasn't specified squelch consul logging
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if !testing.Verbose() {
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c.Stdout = ioutil.Discard
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c.Stderr = ioutil.Discard
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}
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})
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if err != nil {
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t.Fatalf("error starting test consul server: %v", err)
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}
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defer testconsul.Stop()
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consulConfig := consulapi.DefaultConfig()
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consulConfig.Address = testconsul.HTTPAddr
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consulClient, err := consulapi.NewClient(consulConfig)
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require.NoError(t, err)
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namespacesClient := agentconsul.NewNamespacesClient(consulClient.Namespaces(), consulClient.Agent())
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serviceClient := agentconsul.NewServiceClient(consulClient.Agent(), namespacesClient, testlog.HCLogger(t), true)
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// Lower periodicInterval to ensure periodic syncing doesn't improperly
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// remove Connect services.
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//const interval = 50 * time.Millisecond
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//serviceClient.periodicInterval = interval
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// Disable deregistration probation to test syncing
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//serviceClient.deregisterProbationExpiry = time.Time{}
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go serviceClient.Run()
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defer serviceClient.Shutdown()
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// Create new 0.10-style alloc
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alloc := mock.Alloc()
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alloc.AllocatedResources.Shared.Networks = []*structs.NetworkResource{
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{
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Mode: "bridge",
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IP: "10.0.0.1",
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DynamicPorts: []structs.Port{
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{
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Label: "connect-proxy-testconnect",
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Value: 9999,
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To: 9998,
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},
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},
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},
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}
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tg := alloc.Job.LookupTaskGroup(alloc.TaskGroup)
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tg.Services = []*structs.Service{
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{
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Name: "testconnect",
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PortLabel: "9999",
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Connect: &structs.ConsulConnect{
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SidecarService: &structs.ConsulSidecarService{
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Proxy: &structs.ConsulProxy{
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LocalServicePort: 9000,
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},
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},
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},
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},
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}
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// Create old 0.8-style alloc from new alloc
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oldAlloc := alloc.Copy()
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oldAlloc.AllocatedResources = nil
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oldAlloc.Job.LookupTaskGroup(alloc.TaskGroup).Services = nil
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// Create the group service hook
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h := newGroupServiceHook(groupServiceHookConfig{
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alloc: oldAlloc,
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consul: serviceClient,
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restarter: agentconsul.NoopRestarter(),
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taskEnvBuilder: taskenv.NewBuilder(mock.Node(), oldAlloc, nil, oldAlloc.Job.Region),
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logger: testlog.HCLogger(t),
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})
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require.NoError(t, h.Prerun())
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require.NoError(t, h.Update(&interfaces.RunnerUpdateRequest{Alloc: alloc}))
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// Assert the group and sidecar services are registered
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require.Eventually(t, func() bool {
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services, err := consulClient.Agent().Services()
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require.NoError(t, err)
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return len(services) == 2
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}, 3*time.Second, 100*time.Millisecond)
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}
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