open-nomad/command/job_scale_test.go

279 lines
7.3 KiB
Go

package command
import (
"fmt"
"strings"
"testing"
"github.com/hashicorp/nomad/api"
"github.com/hashicorp/nomad/ci"
"github.com/hashicorp/nomad/command/agent"
"github.com/hashicorp/nomad/helper/pointer"
"github.com/hashicorp/nomad/nomad/mock"
"github.com/hashicorp/nomad/nomad/structs"
"github.com/hashicorp/nomad/testutil"
"github.com/mitchellh/cli"
"github.com/shoenig/test/must"
)
func TestJobScaleCommand_SingleGroup(t *testing.T) {
ci.Parallel(t)
srv, client, url := testServer(t, true, nil)
defer srv.Shutdown()
testutil.WaitForResult(func() (bool, error) {
nodes, _, err := client.Nodes().List(nil)
if err != nil {
return false, err
}
if len(nodes) == 0 {
return false, fmt.Errorf("missing node")
}
if _, ok := nodes[0].Drivers["mock_driver"]; !ok {
return false, fmt.Errorf("mock_driver not ready")
}
return true, nil
}, func(err error) {
t.Fatalf("err: %s", err)
})
ui := cli.NewMockUi()
cmd := &JobScaleCommand{Meta: Meta{Ui: ui}}
// Register a test job and ensure it is running before moving on.
resp, _, err := client.Jobs().Register(testJob("scale_cmd_single_group"), nil)
if err != nil {
t.Fatalf("err: %s", err)
}
if code := waitForSuccess(ui, client, fullId, t, resp.EvalID); code != 0 {
t.Fatalf("expected waitForSuccess exit code 0, got: %d", code)
}
// Perform the scaling action.
if code := cmd.Run([]string{"-address=" + url, "-detach", "scale_cmd_single_group", "2"}); code != 0 {
t.Fatalf("expected cmd run exit code 0, got: %d", code)
}
if out := ui.OutputWriter.String(); !strings.Contains(out, "Evaluation ID:") {
t.Fatalf("Expected Evaluation ID within output: %v", out)
}
}
func TestJobScaleCommand_MultiGroup(t *testing.T) {
ci.Parallel(t)
srv, client, url := testServer(t, true, nil)
defer srv.Shutdown()
testutil.WaitForResult(func() (bool, error) {
nodes, _, err := client.Nodes().List(nil)
if err != nil {
return false, err
}
if len(nodes) == 0 {
return false, fmt.Errorf("missing node")
}
if _, ok := nodes[0].Drivers["mock_driver"]; !ok {
return false, fmt.Errorf("mock_driver not ready")
}
return true, nil
}, func(err error) {
t.Fatalf("err: %s", err)
})
ui := cli.NewMockUi()
cmd := &JobScaleCommand{Meta: Meta{Ui: ui}}
// Create a job with two task groups.
job := testJob("scale_cmd_multi_group")
task := api.NewTask("task2", "mock_driver").
SetConfig("kill_after", "1s").
SetConfig("run_for", "5s").
SetConfig("exit_code", 0).
Require(&api.Resources{
MemoryMB: pointer.Of(256),
CPU: pointer.Of(100),
}).
SetLogConfig(&api.LogConfig{
MaxFiles: pointer.Of(1),
MaxFileSizeMB: pointer.Of(2),
})
group2 := api.NewTaskGroup("group2", 1).
AddTask(task).
RequireDisk(&api.EphemeralDisk{
SizeMB: pointer.Of(20),
})
job.AddTaskGroup(group2)
// Register a test job and ensure it is running before moving on.
resp, _, err := client.Jobs().Register(job, nil)
if err != nil {
t.Fatalf("err: %s", err)
}
if code := waitForSuccess(ui, client, fullId, t, resp.EvalID); code != 0 {
t.Fatalf("expected waitForSuccess exit code 0, got: %d", code)
}
// Attempt to scale without specifying the task group which should fail.
if code := cmd.Run([]string{"-address=" + url, "-detach", "scale_cmd_multi_group", "2"}); code != 1 {
t.Fatalf("expected cmd run exit code 1, got: %d", code)
}
if out := ui.ErrorWriter.String(); !strings.Contains(out, "Group name required") {
t.Fatalf("unexpected error message: %v", out)
}
// Specify the target group which should be successful.
if code := cmd.Run([]string{"-address=" + url, "-detach", "scale_cmd_multi_group", "group1", "2"}); code != 0 {
t.Fatalf("expected cmd run exit code 0, got: %d", code)
}
if out := ui.OutputWriter.String(); !strings.Contains(out, "Evaluation ID:") {
t.Fatalf("Expected Evaluation ID within output: %v", out)
}
}
func TestJobScaleCommand_ACL(t *testing.T) {
ci.Parallel(t)
// Start server with ACL enabled.
srv, client, url := testServer(t, true, func(c *agent.Config) {
c.ACL.Enabled = true
})
defer srv.Shutdown()
testCases := []struct {
name string
jobPrefix bool
aclPolicy string
expectedErr string
}{
{
name: "no token",
aclPolicy: "",
expectedErr: api.PermissionDeniedErrorContent,
},
{
name: "missing scale-job or job-submit",
aclPolicy: `
namespace "default" {
capabilities = ["read-job-scaling"]
}
`,
expectedErr: api.PermissionDeniedErrorContent,
},
{
name: "missing read-job-scaling",
aclPolicy: `
namespace "default" {
capabilities = ["scale-job"]
}
`,
expectedErr: api.PermissionDeniedErrorContent,
},
{
name: "read-job-scaling and scale-job allowed but can't monitor eval without read-job",
aclPolicy: `
namespace "default" {
capabilities = ["read-job-scaling", "scale-job"]
}
`,
expectedErr: "No evaluation with id",
},
{
name: "read-job-scaling and submit-job allowed but can't monitor eval without read-job",
aclPolicy: `
namespace "default" {
capabilities = ["read-job-scaling", "submit-job"]
}
`,
expectedErr: "No evaluation with id",
},
{
name: "read-job-scaling and scale-job allowed and can monitor eval with read-job",
aclPolicy: `
namespace "default" {
capabilities = ["read-job", "read-job-scaling", "scale-job"]
}
`,
},
{
name: "read-job-scaling and submit-job allowed and can monitor eval with read-job",
aclPolicy: `
namespace "default" {
capabilities = ["read-job", "read-job-scaling", "submit-job"]
}
`,
},
{
name: "job prefix requires list-job",
jobPrefix: true,
aclPolicy: `
namespace "default" {
capabilities = ["read-job-scaling", "scale-job"]
}
`,
expectedErr: "job not found",
},
{
name: "job prefix works with list-job but can't monitor eval without read-job",
jobPrefix: true,
aclPolicy: `
namespace "default" {
capabilities = ["read-job-scaling", "scale-job", "list-jobs"]
}
`,
expectedErr: "No evaluation with id",
},
{
name: "job prefix works with list-job and can monitor eval with read-job",
jobPrefix: true,
aclPolicy: `
namespace "default" {
capabilities = ["read-job", "read-job-scaling", "scale-job", "list-jobs"]
}
`,
},
}
for i, tc := range testCases {
t.Run(tc.name, func(t *testing.T) {
ui := cli.NewMockUi()
cmd := &JobScaleCommand{Meta: Meta{Ui: ui}}
args := []string{
"-address", url,
}
// Create a job.
job := mock.MinJob()
state := srv.Agent.Server().State()
err := state.UpsertJob(structs.MsgTypeTestSetup, uint64(300+i), job)
must.NoError(t, err)
defer func() {
client.Jobs().Deregister(job.ID, true, &api.WriteOptions{
AuthToken: srv.RootToken.SecretID,
})
}()
if tc.aclPolicy != "" {
// Create ACL token with test case policy and add it to the
// command.
policyName := nonAlphaNum.ReplaceAllString(tc.name, "-")
token := mock.CreatePolicyAndToken(t, state, uint64(302+i), policyName, tc.aclPolicy)
args = append(args, "-token", token.SecretID)
}
// Add job ID or job ID prefix to the command.
if tc.jobPrefix {
args = append(args, job.ID[:3])
} else {
args = append(args, job.ID)
}
// Run command scaling job to 2.
args = append(args, "2")
code := cmd.Run(args)
if tc.expectedErr == "" {
must.Zero(t, code)
} else {
must.One(t, code)
must.StrContains(t, ui.ErrorWriter.String(), tc.expectedErr)
}
})
}
}