open-nomad/command/service_info_test.go
2022-03-24 08:45:13 +01:00

123 lines
3.3 KiB
Go

package command
import (
"fmt"
"testing"
"time"
"github.com/hashicorp/nomad/api"
"github.com/hashicorp/nomad/ci"
"github.com/hashicorp/nomad/testutil"
"github.com/mitchellh/cli"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestServiceInfoCommand_Run(t *testing.T) {
ci.Parallel(t)
srv, client, url := testServer(t, true, nil)
defer srv.Shutdown()
// Wait until our test node is ready.
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) {
require.NoError(t, err)
})
ui := cli.NewMockUi()
cmd := &ServiceInfoCommand{
Meta: Meta{
Ui: ui,
flagAddress: url,
},
}
// Run the command without any arguments to ensure we are performing this
// check.
require.Equal(t, 1, cmd.Run([]string{"-address=" + url}))
require.Contains(t, ui.ErrorWriter.String(),
"This command takes one argument: <service_name>")
ui.ErrorWriter.Reset()
// Create a test job with a Nomad service.
testJob := testJob("service-discovery-nomad-info")
testJob.TaskGroups[0].Tasks[0].Services = []*api.Service{
{Name: "service-discovery-nomad-info", Provider: "nomad", Tags: []string{"foo", "bar"}}}
// Register that job.
regResp, _, err := client.Jobs().Register(testJob, nil)
require.NoError(t, err)
registerCode := waitForSuccess(ui, client, fullId, t, regResp.EvalID)
require.Equal(t, 0, registerCode)
// Reset the output writer, otherwise we will have additional information here.
ui.OutputWriter.Reset()
// Job register doesn't assure the service registration has completed. It
// therefore needs this wrapper to account for eventual service
// registration. One this has completed, we can perform lookups without
// similar wraps.
require.Eventually(t, func() bool {
defer ui.OutputWriter.Reset()
// Perform a standard lookup.
if code := cmd.Run([]string{"-address=" + url, "service-discovery-nomad-info"}); code != 0 {
return false
}
// Test each header and data entry.
s := ui.OutputWriter.String()
if !assert.Contains(t, s, "Job ID") {
return false
}
if !assert.Contains(t, s, "Address") {
return false
}
if !assert.Contains(t, s, "Node ID") {
return false
}
if !assert.Contains(t, s, "Alloc ID") {
return false
}
if !assert.Contains(t, s, "service-discovery-nomad-info") {
return false
}
if !assert.Contains(t, s, ":0") {
return false
}
if !assert.Contains(t, s, "[foo,bar]") {
return false
}
return true
}, 5*time.Second, 100*time.Millisecond)
// Perform a verbose lookup.
code := cmd.Run([]string{"-address=" + url, "-verbose", "service-discovery-nomad-info"})
require.Equal(t, 0, code)
// Test KV entries.
s := ui.OutputWriter.String()
require.Contains(t, s, "Service Name = service-discovery-nomad-info")
require.Contains(t, s, "Namespace = default")
require.Contains(t, s, "Job ID = service-discovery-nomad-info")
require.Contains(t, s, "Datacenter = dc1")
require.Contains(t, s, "Address = :0")
require.Contains(t, s, "Tags = [foo,bar]")
ui.OutputWriter.Reset()
ui.ErrorWriter.Reset()
}