open-nomad/command/node_status_test.go

297 lines
8.5 KiB
Go

package command
import (
"fmt"
"strings"
"testing"
"time"
"github.com/hashicorp/nomad/api"
"github.com/hashicorp/nomad/ci"
"github.com/hashicorp/nomad/command/agent"
"github.com/hashicorp/nomad/testutil"
"github.com/mitchellh/cli"
"github.com/posener/complete"
"github.com/stretchr/testify/assert"
)
func TestNodeStatusCommand_Implements(t *testing.T) {
ci.Parallel(t)
var _ cli.Command = &NodeStatusCommand{}
}
func TestNodeStatusCommand_Self(t *testing.T) {
ci.Parallel(t)
// Start in dev mode so we get a node registration
srv, client, url := testServer(t, true, func(c *agent.Config) {
c.NodeName = "mynode"
})
defer srv.Shutdown()
ui := cli.NewMockUi()
cmd := &NodeStatusCommand{Meta: Meta{Ui: ui}}
// Wait for a node to appear
var nodeID string
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")
}
nodeID = nodes[0].ID
return true, nil
}, func(err error) {
t.Fatalf("err: %s", err)
})
// Query self node
if code := cmd.Run([]string{"-address=" + url, "-self"}); code != 0 {
t.Fatalf("expected exit 0, got: %d", code)
}
out := ui.OutputWriter.String()
if !strings.Contains(out, "mynode") {
t.Fatalf("expect to find mynode, got: %s", out)
}
if !strings.Contains(out, "No allocations placed") {
t.Fatalf("should not dump allocations")
}
ui.OutputWriter.Reset()
// Request full id output
if code := cmd.Run([]string{"-address=" + url, "-self", "-verbose"}); code != 0 {
t.Fatalf("expected exit 0, got: %d", code)
}
out = ui.OutputWriter.String()
if !strings.Contains(out, nodeID) {
t.Fatalf("expected full node id %q, got: %s", nodeID, out)
}
ui.OutputWriter.Reset()
}
func TestNodeStatusCommand_Run(t *testing.T) {
ci.Parallel(t)
// Start in dev mode so we get a node registration
srv, client, url := testServer(t, true, func(c *agent.Config) {
c.NodeName = "mynode"
})
defer srv.Shutdown()
ui := cli.NewMockUi()
cmd := &NodeStatusCommand{Meta: Meta{Ui: ui}}
// Wait for a node to appear
var nodeID string
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")
}
nodeID = nodes[0].ID
return true, nil
}, func(err error) {
t.Fatalf("err: %s", err)
})
// Query all node statuses
if code := cmd.Run([]string{"-address=" + url}); code != 0 {
t.Fatalf("expected exit 0, got: %d", code)
}
out := ui.OutputWriter.String()
if !strings.Contains(out, "mynode") {
t.Fatalf("expect to find mynode, got: %s", out)
}
ui.OutputWriter.Reset()
// Query a single node
if code := cmd.Run([]string{"-address=" + url, nodeID}); code != 0 {
t.Fatalf("expected exit 0, got: %d", code)
}
out = ui.OutputWriter.String()
if !strings.Contains(out, "mynode") {
t.Fatalf("expect to find mynode, got: %s", out)
}
ui.OutputWriter.Reset()
// Query single node in short view
if code := cmd.Run([]string{"-address=" + url, "-short", nodeID}); code != 0 {
t.Fatalf("expected exit 0, got: %d", code)
}
out = ui.OutputWriter.String()
if !strings.Contains(out, "mynode") {
t.Fatalf("expect to find mynode, got: %s", out)
}
if !strings.Contains(out, "No allocations placed") {
t.Fatalf("should not dump allocations")
}
// Query a single node based on a prefix that is even without the hyphen
if code := cmd.Run([]string{"-address=" + url, nodeID[:13]}); code != 0 {
t.Fatalf("expected exit 0, got: %d", code)
}
out = ui.OutputWriter.String()
if !strings.Contains(out, "mynode") {
t.Fatalf("expect to find mynode, got: %s", out)
}
if !strings.Contains(out, nodeID) {
t.Fatalf("expected node id %q, got: %s", nodeID, out)
}
ui.OutputWriter.Reset()
// Request full id output
if code := cmd.Run([]string{"-address=" + url, "-verbose", nodeID[:4]}); code != 0 {
t.Fatalf("expected exit 0, got: %d", code)
}
out = ui.OutputWriter.String()
if !strings.Contains(out, nodeID) {
t.Fatalf("expected full node id %q, got: %s", nodeID, out)
}
ui.OutputWriter.Reset()
// Identifiers with uneven length should produce a query result
if code := cmd.Run([]string{"-address=" + url, nodeID[:3]}); code != 0 {
t.Fatalf("expected exit 0, got: %d", code)
}
out = ui.OutputWriter.String()
if !strings.Contains(out, "mynode") {
t.Fatalf("expect to find mynode, got: %s", out)
}
}
func TestNodeStatusCommand_Fails(t *testing.T) {
ci.Parallel(t)
srv, _, url := testServer(t, false, nil)
defer srv.Shutdown()
ui := cli.NewMockUi()
cmd := &NodeStatusCommand{Meta: Meta{Ui: ui}}
// Fails on misuse
if code := cmd.Run([]string{"some", "bad", "args"}); code != 1 {
t.Fatalf("expected exit code 1, got: %d", code)
}
if out := ui.ErrorWriter.String(); !strings.Contains(out, commandErrorText(cmd)) {
t.Fatalf("expected help output, got: %s", out)
}
ui.ErrorWriter.Reset()
// Fails on connection failure
if code := cmd.Run([]string{"-address=nope"}); code != 1 {
t.Fatalf("expected exit code 1, got: %d", code)
}
if out := ui.ErrorWriter.String(); !strings.Contains(out, "Error querying node status") {
t.Fatalf("expected failed query error, got: %s", out)
}
ui.ErrorWriter.Reset()
// Fails on nonexistent node
if code := cmd.Run([]string{"-address=" + url, "12345678-abcd-efab-cdef-123456789abc"}); code != 1 {
t.Fatalf("expected exit 1, got: %d", code)
}
if out := ui.ErrorWriter.String(); !strings.Contains(out, "No node(s) with prefix") {
t.Fatalf("expected not found error, got: %s", out)
}
ui.ErrorWriter.Reset()
// Fail on identifier with too few characters
if code := cmd.Run([]string{"-address=" + url, "1"}); code != 1 {
t.Fatalf("expected exit 1, got: %d", code)
}
if out := ui.ErrorWriter.String(); !strings.Contains(out, "must contain at least two characters.") {
t.Fatalf("expected too few characters error, got: %s", out)
}
ui.ErrorWriter.Reset()
// Failed on both -json and -t options are specified
if code := cmd.Run([]string{"-address=" + url, "-json", "-t", "{{.ID}}"}); code != 1 {
t.Fatalf("expected exit 1, got: %d", code)
}
if out := ui.ErrorWriter.String(); !strings.Contains(out, "Both json and template formatting are not allowed") {
t.Fatalf("expected getting formatter error, got: %s", out)
}
ui.ErrorWriter.Reset()
// Fail if -quiet is passed with -verbose
if code := cmd.Run([]string{"-address=" + url, "-quiet", "-verbose"}); code != 1 {
t.Fatalf("expected exit 1, got: %d", code)
}
if out := ui.ErrorWriter.String(); !strings.Contains(out, "-quiet cannot be used with -verbose or -json") {
t.Fatalf("expected getting formatter error, got: %s", out)
}
ui.ErrorWriter.Reset()
// Fail if -quiet is passed with -json
if code := cmd.Run([]string{"-address=" + url, "-quiet", "-json"}); code != 1 {
t.Fatalf("expected exit 1, got: %d", code)
}
if out := ui.ErrorWriter.String(); !strings.Contains(out, "-quiet cannot be used with -verbose or -json") {
t.Fatalf("expected getting formatter error, got: %s", out)
}
}
func TestNodeStatusCommand_AutocompleteArgs(t *testing.T) {
ci.Parallel(t)
assert := assert.New(t)
srv, client, url := testServer(t, true, nil)
defer srv.Shutdown()
// Wait for a node to appear
var nodeID string
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")
}
nodeID = nodes[0].ID
return true, nil
}, func(err error) {
t.Fatalf("err: %s", err)
})
ui := cli.NewMockUi()
cmd := &NodeStatusCommand{Meta: Meta{Ui: ui, flagAddress: url}}
prefix := nodeID[:len(nodeID)-5]
args := complete.Args{Last: prefix}
predictor := cmd.AutocompleteArgs()
res := predictor.Predict(args)
assert.Equal(1, len(res))
assert.Equal(nodeID, res[0])
}
func TestNodeStatusCommand_FormatDrain(t *testing.T) {
ci.Parallel(t)
assert := assert.New(t)
node := &api.Node{}
assert.Equal("false", formatDrain(node))
node.DrainStrategy = &api.DrainStrategy{}
assert.Equal("true; no deadline", formatDrain(node))
node.DrainStrategy = &api.DrainStrategy{}
node.DrainStrategy.Deadline = -1 * time.Second
assert.Equal("true; force drain", formatDrain(node))
// formatTime special cases Unix(0, 0), so increment by 1
node.DrainStrategy = &api.DrainStrategy{}
node.DrainStrategy.ForceDeadline = time.Unix(1, 0).UTC()
assert.Equal("true; 1970-01-01T00:00:01Z deadline", formatDrain(node))
node.DrainStrategy.IgnoreSystemJobs = true
assert.Equal("true; 1970-01-01T00:00:01Z deadline; ignoring system jobs", formatDrain(node))
}