459 lines
11 KiB
Go
459 lines
11 KiB
Go
package api
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import (
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"fmt"
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"reflect"
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"sort"
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"strings"
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"testing"
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"time"
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"github.com/kr/pretty"
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"github.com/stretchr/testify/require"
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"github.com/hashicorp/nomad/api/internal/testutil"
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"github.com/stretchr/testify/assert"
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)
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func TestAgent_Self(t *testing.T) {
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t.Parallel()
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c, s := makeClient(t, nil, nil)
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defer s.Stop()
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// Get a handle on the Agent endpoints
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a := c.Agent()
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// Query the endpoint
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res, err := a.Self()
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if err != nil {
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t.Fatalf("err: %s", err)
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}
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// Check that we got a valid response
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if res.Member.Name == "" {
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t.Fatalf("bad member name in response: %#v", res)
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}
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// Local cache was populated
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if a.nodeName == "" || a.datacenter == "" || a.region == "" {
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t.Fatalf("cache should be populated, got: %#v", a)
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}
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}
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func TestAgent_NodeName(t *testing.T) {
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t.Parallel()
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c, s := makeClient(t, nil, nil)
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defer s.Stop()
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a := c.Agent()
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// Query the agent for the node name
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res, err := a.NodeName()
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if err != nil {
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t.Fatalf("err: %s", err)
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}
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if res == "" {
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t.Fatalf("expected node name, got nothing")
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}
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}
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func TestAgent_Datacenter(t *testing.T) {
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t.Parallel()
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c, s := makeClient(t, nil, nil)
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defer s.Stop()
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a := c.Agent()
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// Query the agent for the datacenter
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dc, err := a.Datacenter()
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if err != nil {
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t.Fatalf("err: %s", err)
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}
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if dc != "dc1" {
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t.Fatalf("expected dc1, got: %q", dc)
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}
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}
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func TestAgent_Join(t *testing.T) {
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t.Parallel()
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c1, s1 := makeClient(t, nil, nil)
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defer s1.Stop()
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a1 := c1.Agent()
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_, s2 := makeClient(t, nil, func(c *testutil.TestServerConfig) {
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c.Server.BootstrapExpect = 0
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})
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defer s2.Stop()
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// Attempting to join a nonexistent host returns error
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n, err := a1.Join("nope")
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if err == nil {
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t.Fatalf("expected error, got nothing")
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}
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if n != 0 {
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t.Fatalf("expected 0 nodes, got: %d", n)
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}
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// Returns correctly if join succeeds
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n, err = a1.Join(s2.SerfAddr)
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if err != nil {
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t.Fatalf("err: %s", err)
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}
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if n != 1 {
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t.Fatalf("expected 1 node, got: %d", n)
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}
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}
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func TestAgent_Members(t *testing.T) {
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t.Parallel()
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c, s := makeClient(t, nil, nil)
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defer s.Stop()
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a := c.Agent()
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// Query nomad for all the known members
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mem, err := a.Members()
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if err != nil {
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t.Fatalf("err: %s", err)
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}
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// Check that we got the expected result
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if n := len(mem.Members); n != 1 {
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t.Fatalf("expected 1 member, got: %d", n)
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}
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if m := mem.Members[0]; m.Name == "" || m.Addr == "" || m.Port == 0 {
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t.Fatalf("bad member: %#v", m)
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}
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}
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func TestAgent_ForceLeave(t *testing.T) {
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t.Parallel()
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c, s := makeClient(t, nil, nil)
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defer s.Stop()
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a := c.Agent()
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// Force-leave on a nonexistent node does not error
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if err := a.ForceLeave("nope"); err != nil {
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t.Fatalf("err: %s", err)
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}
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// TODO: test force-leave on an existing node
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}
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func (a *AgentMember) String() string {
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return "{Name: " + a.Name + " Region: " + a.Tags["region"] + " DC: " + a.Tags["dc"] + "}"
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}
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func TestAgents_Sort(t *testing.T) {
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t.Parallel()
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var sortTests = []struct {
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in []*AgentMember
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out []*AgentMember
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}{
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{
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[]*AgentMember{
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{Name: "nomad-2.vac.us-east",
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Tags: map[string]string{"region": "us-east", "dc": "us-east-1c"}},
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{Name: "nomad-1.global",
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Tags: map[string]string{"region": "global", "dc": "dc1"}},
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{Name: "nomad-1.vac.us-east",
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Tags: map[string]string{"region": "us-east", "dc": "us-east-1c"}},
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},
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[]*AgentMember{
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{Name: "nomad-1.global",
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Tags: map[string]string{"region": "global", "dc": "dc1"}},
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{Name: "nomad-1.vac.us-east",
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Tags: map[string]string{"region": "us-east", "dc": "us-east-1c"}},
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{Name: "nomad-2.vac.us-east",
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Tags: map[string]string{"region": "us-east", "dc": "us-east-1c"}},
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},
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},
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{
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[]*AgentMember{
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{Name: "nomad-02.tam.us-east",
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Tags: map[string]string{"region": "us-east", "dc": "tampa"}},
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{Name: "nomad-02.pal.us-west",
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Tags: map[string]string{"region": "us-west", "dc": "palo_alto"}},
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{Name: "nomad-01.pal.us-west",
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Tags: map[string]string{"region": "us-west", "dc": "palo_alto"}},
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{Name: "nomad-01.tam.us-east",
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Tags: map[string]string{"region": "us-east", "dc": "tampa"}},
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},
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[]*AgentMember{
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{Name: "nomad-01.tam.us-east",
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Tags: map[string]string{"region": "us-east", "dc": "tampa"}},
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{Name: "nomad-02.tam.us-east",
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Tags: map[string]string{"region": "us-east", "dc": "tampa"}},
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{Name: "nomad-01.pal.us-west",
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Tags: map[string]string{"region": "us-west", "dc": "palo_alto"}},
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{Name: "nomad-02.pal.us-west",
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Tags: map[string]string{"region": "us-west", "dc": "palo_alto"}},
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},
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},
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{
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[]*AgentMember{
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{Name: "nomad-02.tam.us-east",
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Tags: map[string]string{"region": "us-east", "dc": "tampa"}},
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{Name: "nomad-02.ams.europe",
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Tags: map[string]string{"region": "europe", "dc": "amsterdam"}},
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{Name: "nomad-01.tam.us-east",
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Tags: map[string]string{"region": "us-east", "dc": "tampa"}},
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{Name: "nomad-01.ams.europe",
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Tags: map[string]string{"region": "europe", "dc": "amsterdam"}},
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},
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[]*AgentMember{
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{Name: "nomad-01.ams.europe",
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Tags: map[string]string{"region": "europe", "dc": "amsterdam"}},
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{Name: "nomad-02.ams.europe",
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Tags: map[string]string{"region": "europe", "dc": "amsterdam"}},
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{Name: "nomad-01.tam.us-east",
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Tags: map[string]string{"region": "us-east", "dc": "tampa"}},
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{Name: "nomad-02.tam.us-east",
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Tags: map[string]string{"region": "us-east", "dc": "tampa"}},
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},
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},
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{
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[]*AgentMember{
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{Name: "nomad-02.ber.europe",
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Tags: map[string]string{"region": "europe", "dc": "berlin"}},
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{Name: "nomad-02.ams.europe",
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Tags: map[string]string{"region": "europe", "dc": "amsterdam"}},
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{Name: "nomad-01.ams.europe",
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Tags: map[string]string{"region": "europe", "dc": "amsterdam"}},
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{Name: "nomad-01.ber.europe",
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Tags: map[string]string{"region": "europe", "dc": "berlin"}},
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},
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[]*AgentMember{
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{Name: "nomad-01.ams.europe",
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Tags: map[string]string{"region": "europe", "dc": "amsterdam"}},
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{Name: "nomad-02.ams.europe",
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Tags: map[string]string{"region": "europe", "dc": "amsterdam"}},
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{Name: "nomad-01.ber.europe",
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Tags: map[string]string{"region": "europe", "dc": "berlin"}},
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{Name: "nomad-02.ber.europe",
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Tags: map[string]string{"region": "europe", "dc": "berlin"}},
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},
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},
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{
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[]*AgentMember{
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{Name: "nomad-1.global"},
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{Name: "nomad-3.global"},
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{Name: "nomad-2.global"},
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},
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[]*AgentMember{
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{Name: "nomad-1.global"},
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{Name: "nomad-2.global"},
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{Name: "nomad-3.global"},
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},
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},
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}
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for _, tt := range sortTests {
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sort.Sort(AgentMembersNameSort(tt.in))
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if !reflect.DeepEqual(tt.in, tt.out) {
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t.Errorf("\nexpected: %s\nget : %s", tt.in, tt.out)
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}
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}
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}
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func TestAgent_Health(t *testing.T) {
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t.Parallel()
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assert := assert.New(t)
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c, s := makeClient(t, nil, nil)
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defer s.Stop()
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a := c.Agent()
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health, err := a.Health()
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assert.Nil(err)
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assert.True(health.Server.Ok)
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}
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// TestAgent_MonitorWithNode tests the Monitor endpoint
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// passing in a log level and node ie, which tests monitor
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// functionality for a specific client node
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func TestAgent_MonitorWithNode(t *testing.T) {
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t.Parallel()
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rpcPort := 0
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c, s := makeClient(t, nil, func(c *testutil.TestServerConfig) {
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rpcPort = c.Ports.RPC
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c.Client = &testutil.ClientConfig{
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Enabled: true,
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}
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})
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defer s.Stop()
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require.NoError(t, c.Agent().SetServers([]string{fmt.Sprintf("127.0.0.1:%d", rpcPort)}))
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agent := c.Agent()
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index := uint64(0)
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var node *NodeListStub
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// grab a node
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testutil.WaitForResult(func() (bool, error) {
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nodes, qm, err := c.Nodes().List(&QueryOptions{WaitIndex: index})
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if err != nil {
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return false, err
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}
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index = qm.LastIndex
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if len(nodes) != 1 {
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return false, fmt.Errorf("expected 1 node but found: %s", pretty.Sprint(nodes))
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}
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if nodes[0].Status != "ready" {
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return false, fmt.Errorf("node not ready: %s", nodes[0].Status)
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}
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node = nodes[0]
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return true, nil
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}, func(err error) {
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t.Fatalf("err: %v", err)
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})
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doneCh := make(chan struct{})
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q := &QueryOptions{
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Params: map[string]string{
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"log_level": "debug",
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"node_id": node.ID,
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},
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}
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frames, errCh := agent.Monitor(doneCh, q)
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defer close(doneCh)
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// make a request to generate some logs
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_, err := agent.NodeName()
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require.NoError(t, err)
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// Wait for a log message
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OUTER:
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for {
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select {
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case f := <-frames:
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if strings.Contains(string(f.Data), "[DEBUG]") {
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break OUTER
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}
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case err := <-errCh:
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t.Errorf("Error: %v", err)
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case <-time.After(2 * time.Second):
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require.Fail(t, "failed to get a DEBUG log message")
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}
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}
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}
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// TestAgent_Monitor tests the Monitor endpoint
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// passing in only a log level, which tests the servers
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// monitor functionality
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func TestAgent_Monitor(t *testing.T) {
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t.Parallel()
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c, s := makeClient(t, nil, nil)
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defer s.Stop()
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agent := c.Agent()
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q := &QueryOptions{
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Params: map[string]string{
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"log_level": "debug",
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},
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}
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doneCh := make(chan struct{})
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frames, errCh := agent.Monitor(doneCh, q)
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defer close(doneCh)
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// make a request to generate some logs
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_, err := agent.Region()
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require.NoError(t, err)
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// Wait for a log message
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OUTER:
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for {
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select {
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case log := <-frames:
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if log == nil {
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continue
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}
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if strings.Contains(string(log.Data), "[DEBUG]") {
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break OUTER
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}
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case err := <-errCh:
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t.Fatalf("error: %v", err)
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case <-time.After(2 * time.Second):
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require.Fail(t, "failed to get a DEBUG log message")
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}
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}
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}
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func TestAgentCPUProfile(t *testing.T) {
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t.Parallel()
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c, s, token := makeACLClient(t, nil, nil)
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defer s.Stop()
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agent := c.Agent()
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q := &QueryOptions{
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AuthToken: token.SecretID,
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}
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// Valid local request
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{
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opts := PprofOptions{
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Seconds: 1,
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}
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resp, err := agent.CPUProfile(opts, q)
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require.NoError(t, err)
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require.NotNil(t, resp)
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}
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// Invalid server request
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{
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opts := PprofOptions{
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Seconds: 1,
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ServerID: "unknown.global",
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}
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resp, err := agent.CPUProfile(opts, q)
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require.Error(t, err)
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require.Contains(t, err.Error(), "500 (unknown Nomad server unknown.global)")
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require.Nil(t, resp)
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}
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}
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func TestAgentTrace(t *testing.T) {
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t.Parallel()
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c, s, token := makeACLClient(t, nil, nil)
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defer s.Stop()
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agent := c.Agent()
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q := &QueryOptions{
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AuthToken: token.SecretID,
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}
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resp, err := agent.Trace(PprofOptions{}, q)
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require.NoError(t, err)
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require.NotNil(t, resp)
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}
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func TestAgentProfile(t *testing.T) {
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t.Parallel()
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c, s, token := makeACLClient(t, nil, nil)
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defer s.Stop()
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agent := c.Agent()
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q := &QueryOptions{
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AuthToken: token.SecretID,
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}
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{
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resp, err := agent.Lookup("heap", PprofOptions{}, q)
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require.NoError(t, err)
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require.NotNil(t, resp)
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}
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// unknown profile
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{
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resp, err := agent.Lookup("invalid", PprofOptions{}, q)
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require.Error(t, err)
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require.Contains(t, err.Error(), "Unexpected response code: 404")
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require.Nil(t, resp)
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}
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}
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