146 lines
3.4 KiB
Go
146 lines
3.4 KiB
Go
// Copyright (c) HashiCorp, Inc.
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// SPDX-License-Identifier: MPL-2.0
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package command
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import (
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"encoding/json"
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"fmt"
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"strings"
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"testing"
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"github.com/hashicorp/nomad/api"
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"github.com/hashicorp/nomad/ci"
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"github.com/hashicorp/nomad/command/agent"
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"github.com/mitchellh/cli"
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"github.com/shoenig/test/must"
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)
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func TestServerMembersCommand_Implements(t *testing.T) {
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ci.Parallel(t)
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var _ cli.Command = &ServerMembersCommand{}
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}
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func TestServerMembersCommand_Run(t *testing.T) {
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ci.Parallel(t)
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srv, client, url := testServer(t, false, nil)
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defer srv.Shutdown()
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ui := cli.NewMockUi()
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cmd := &ServerMembersCommand{Meta: Meta{Ui: ui}}
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// Get our own node name
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name, err := client.Agent().NodeName()
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must.NoError(t, err)
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// Query the members
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code := cmd.Run([]string{"-address=" + url})
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if out := ui.OutputWriter.String(); !strings.Contains(out, name) {
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t.Fatalf("expected %q in output, got: %s", name, out)
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}
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ui.OutputWriter.Reset()
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// Query members with verbose output
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code = cmd.Run([]string{"-address=" + url, "-verbose"})
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must.Zero(t, code)
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// Still support previous detailed flag
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code = cmd.Run([]string{"-address=" + url, "-detailed"})
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must.Zero(t, code)
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must.StrContains(t, ui.OutputWriter.String(), "Tags")
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ui.OutputWriter.Reset()
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// List json
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code = cmd.Run([]string{"-address=" + url, "-json"})
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must.Zero(t, code)
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outJson := []api.AgentMember{}
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err = json.Unmarshal(ui.OutputWriter.Bytes(), &outJson)
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must.NoError(t, err)
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ui.OutputWriter.Reset()
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// Go template to format the output
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code = cmd.Run([]string{"-address=" + url, "-t", "{{range .}}{{ .Status }}{{end}}"})
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must.Zero(t, code)
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out := ui.OutputWriter.String()
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must.StrContains(t, out, "alive")
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ui.ErrorWriter.Reset()
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}
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func TestMembersCommand_Fails(t *testing.T) {
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ci.Parallel(t)
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ui := cli.NewMockUi()
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cmd := &ServerMembersCommand{Meta: Meta{Ui: ui}}
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// Fails on misuse
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code := cmd.Run([]string{"some", "bad", "args"})
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must.One(t, code)
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must.StrContains(t, ui.ErrorWriter.String(), commandErrorText(cmd))
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ui.ErrorWriter.Reset()
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// Fails on connection failure
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code = cmd.Run([]string{"-address=nope"})
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must.One(t, code)
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must.StrContains(t, ui.ErrorWriter.String(), "Error querying servers")
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}
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// Tests that a single server region that left should still
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// not return an error and list other members in other regions
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func TestServerMembersCommand_MultiRegion_Leave(t *testing.T) {
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ci.Parallel(t)
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config1 := func(c *agent.Config) {
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c.Region = "r1"
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c.Datacenter = "d1"
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}
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srv1, client1, url := testServer(t, false, config1)
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defer srv1.Shutdown()
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config2 := func(c *agent.Config) {
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c.Region = "r2"
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c.Datacenter = "d2"
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}
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srv2, _, _ := testServer(t, false, config2)
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defer srv2.Shutdown()
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// Join with srv1
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addr := fmt.Sprintf("127.0.0.1:%d",
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srv1.Agent.Server().GetConfig().SerfConfig.MemberlistConfig.BindPort)
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_, err := srv2.Agent.Server().Join([]string{addr})
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must.NoError(t, err)
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ui := cli.NewMockUi()
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cmd := &ServerMembersCommand{Meta: Meta{Ui: ui}}
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// Get our own node name
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name, err := client1.Agent().NodeName()
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must.NoError(t, err)
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// Query the members
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code := cmd.Run([]string{"-address=" + url})
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must.Zero(t, code)
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must.StrContains(t, ui.OutputWriter.String(), name)
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ui.OutputWriter.Reset()
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// Make one of the servers leave
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srv2.Agent.Leave()
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// Query again, should still contain expected output
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code = cmd.Run([]string{"-address=" + url})
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must.Zero(t, code)
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must.StrContains(t, ui.OutputWriter.String(), name)
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}
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