224 lines
5.2 KiB
Go
224 lines
5.2 KiB
Go
package command
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import (
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"fmt"
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"strings"
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"testing"
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"time"
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"github.com/hashicorp/consul/command/agent"
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"github.com/hashicorp/consul/command/base"
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"github.com/hashicorp/consul/consul/structs"
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"github.com/hashicorp/consul/testutil"
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"github.com/hashicorp/serf/coordinate"
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"github.com/mitchellh/cli"
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)
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func testRTTCommand(t *testing.T) (*cli.MockUi, *RTTCommand) {
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ui := new(cli.MockUi)
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return ui, &RTTCommand{
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Command: base.Command{
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Ui: ui,
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Flags: base.FlagSetClientHTTP,
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},
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}
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}
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func TestRTTCommand_Implements(t *testing.T) {
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var _ cli.Command = &RTTCommand{}
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}
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func TestRTTCommand_Run_BadArgs(t *testing.T) {
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_, c := testRTTCommand(t)
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if code := c.Run([]string{}); code != 1 {
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t.Fatalf("expected return code 1, got %d", code)
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}
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if code := c.Run([]string{"node1", "node2", "node3"}); code != 1 {
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t.Fatalf("expected return code 1, got %d", code)
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}
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if code := c.Run([]string{"-wan", "node1", "node2"}); code != 1 {
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t.Fatalf("expected return code 1, got %d", code)
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}
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if code := c.Run([]string{"-wan", "node1.dc1", "node2"}); code != 1 {
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t.Fatalf("expected return code 1, got %d", code)
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}
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if code := c.Run([]string{"-wan", "node1", "node2.dc1"}); code != 1 {
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t.Fatalf("expected return code 1, got %d", code)
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}
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}
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func TestRTTCommand_Run_LAN(t *testing.T) {
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updatePeriod := 10 * time.Millisecond
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a := testAgentWithConfig(t, func(c *agent.Config) {
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c.ConsulConfig.CoordinateUpdatePeriod = updatePeriod
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})
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defer a.Shutdown()
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waitForLeader(t, a.httpAddr)
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// Inject some known coordinates.
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c1 := coordinate.NewCoordinate(coordinate.DefaultConfig())
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c2 := c1.Clone()
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c2.Vec[0] = 0.123
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dist_str := fmt.Sprintf("%.3f ms", c1.DistanceTo(c2).Seconds()*1000.0)
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{
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req := structs.CoordinateUpdateRequest{
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Datacenter: a.config.Datacenter,
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Node: a.config.NodeName,
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Coord: c1,
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}
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var reply struct{}
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if err := a.agent.RPC("Coordinate.Update", &req, &reply); err != nil {
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t.Fatalf("err: %s", err)
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}
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}
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{
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req := structs.RegisterRequest{
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Datacenter: a.config.Datacenter,
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Node: "dogs",
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Address: "127.0.0.2",
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}
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var reply struct{}
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if err := a.agent.RPC("Catalog.Register", &req, &reply); err != nil {
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t.Fatalf("err: %s", err)
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}
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}
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{
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var reply struct{}
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req := structs.CoordinateUpdateRequest{
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Datacenter: a.config.Datacenter,
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Node: "dogs",
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Coord: c2,
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}
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if err := a.agent.RPC("Coordinate.Update", &req, &reply); err != nil {
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t.Fatalf("err: %s", err)
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}
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}
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// Ask for the RTT of two known nodes
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ui, c := testRTTCommand(t)
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args := []string{
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"-http-addr=" + a.httpAddr,
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a.config.NodeName,
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"dogs",
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}
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// Wait for the updates to get flushed to the data store.
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testutil.WaitForResult(func() (bool, error) {
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code := c.Run(args)
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if code != 0 {
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return false, fmt.Errorf("bad: %d: %#v", code, ui.ErrorWriter.String())
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}
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// Make sure the proper RTT was reported in the output.
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expected := fmt.Sprintf("rtt: %s", dist_str)
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if !strings.Contains(ui.OutputWriter.String(), expected) {
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return false, fmt.Errorf("bad: %#v", ui.OutputWriter.String())
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}
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return true, nil
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}, func(err error) {
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t.Fatalf("failed to get proper RTT output: %v", err)
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})
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// Default to the agent's node.
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{
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ui, c := testRTTCommand(t)
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args := []string{
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"-http-addr=" + a.httpAddr,
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"dogs",
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}
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code := c.Run(args)
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if code != 0 {
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t.Fatalf("bad: %d: %#v", code, ui.ErrorWriter.String())
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}
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// Make sure the proper RTT was reported in the output.
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expected := fmt.Sprintf("rtt: %s", dist_str)
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if !strings.Contains(ui.OutputWriter.String(), expected) {
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t.Fatalf("bad: %#v", ui.OutputWriter.String())
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}
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}
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// Try an unknown node.
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{
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ui, c := testRTTCommand(t)
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args := []string{
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"-http-addr=" + a.httpAddr,
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a.config.NodeName,
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"nope",
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}
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code := c.Run(args)
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if code != 1 {
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t.Fatalf("bad: %d: %#v", code, ui.ErrorWriter.String())
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}
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}
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}
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func TestRTTCommand_Run_WAN(t *testing.T) {
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a := testAgent(t)
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defer a.Shutdown()
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waitForLeader(t, a.httpAddr)
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node := fmt.Sprintf("%s.%s", a.config.NodeName, a.config.Datacenter)
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// We can't easily inject WAN coordinates, so we will just query the
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// node with itself.
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{
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ui, c := testRTTCommand(t)
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args := []string{
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"-wan",
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"-http-addr=" + a.httpAddr,
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node,
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node,
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}
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code := c.Run(args)
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if code != 0 {
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t.Fatalf("bad: %d: %#v", code, ui.ErrorWriter.String())
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}
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// Make sure there was some kind of RTT reported in the output.
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if !strings.Contains(ui.OutputWriter.String(), "rtt: ") {
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t.Fatalf("bad: %#v", ui.OutputWriter.String())
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}
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}
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// Default to the agent's node.
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{
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ui, c := testRTTCommand(t)
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args := []string{
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"-wan",
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"-http-addr=" + a.httpAddr,
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node,
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}
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code := c.Run(args)
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if code != 0 {
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t.Fatalf("bad: %d: %#v", code, ui.ErrorWriter.String())
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}
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// Make sure there was some kind of RTT reported in the output.
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if !strings.Contains(ui.OutputWriter.String(), "rtt: ") {
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t.Fatalf("bad: %#v", ui.OutputWriter.String())
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}
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}
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// Try an unknown node.
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{
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ui, c := testRTTCommand(t)
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args := []string{
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"-wan",
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"-http-addr=" + a.httpAddr,
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node,
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"dc1.nope",
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}
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code := c.Run(args)
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if code != 1 {
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t.Fatalf("bad: %d: %#v", code, ui.ErrorWriter.String())
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}
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}
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}
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