consul/command/agent/health_endpoint_test.go

592 lines
14 KiB
Go

package agent
import (
"fmt"
"net/http"
"net/http/httptest"
"os"
"reflect"
"testing"
"time"
"github.com/hashicorp/consul/consul/structs"
"github.com/hashicorp/consul/testutil"
"github.com/hashicorp/serf/coordinate"
)
func TestHealthChecksInState(t *testing.T) {
httpTest(t, func(srv *HTTPServer) {
req, err := http.NewRequest("GET", "/v1/health/state/warning?dc=dc1", nil)
if err != nil {
t.Fatalf("err: %v", err)
}
testutil.WaitForResult(func() (bool, error) {
resp := httptest.NewRecorder()
obj, err := srv.HealthChecksInState(resp, req)
if err != nil {
return false, err
}
if err := checkIndex(resp); err != nil {
return false, err
}
// Should be a non-nil empty list
nodes := obj.(structs.HealthChecks)
if nodes == nil || len(nodes) != 0 {
return false, fmt.Errorf("bad: %v", obj)
}
return true, nil
}, func(err error) { t.Fatalf("err: %v", err) })
})
httpTest(t, func(srv *HTTPServer) {
req, err := http.NewRequest("GET", "/v1/health/state/passing?dc=dc1", nil)
if err != nil {
t.Fatalf("err: %v", err)
}
testutil.WaitForResult(func() (bool, error) {
resp := httptest.NewRecorder()
obj, err := srv.HealthChecksInState(resp, req)
if err != nil {
return false, err
}
if err := checkIndex(resp); err != nil {
return false, err
}
// Should be 1 health check for the server
nodes := obj.(structs.HealthChecks)
if len(nodes) != 1 {
return false, fmt.Errorf("bad: %v", obj)
}
return true, nil
}, func(err error) { t.Fatalf("err: %v", err) })
})
}
func TestHealthChecksInState_DistanceSort(t *testing.T) {
dir, srv := makeHTTPServer(t)
defer os.RemoveAll(dir)
defer srv.Shutdown()
defer srv.agent.Shutdown()
testutil.WaitForLeader(t, srv.agent.RPC, "dc1")
args := &structs.RegisterRequest{
Datacenter: "dc1",
Node: "bar",
Address: "127.0.0.1",
Check: &structs.HealthCheck{
Node: "bar",
Name: "node check",
Status: structs.HealthCritical,
},
}
var out struct{}
if err := srv.agent.RPC("Catalog.Register", args, &out); err != nil {
t.Fatalf("err: %v", err)
}
args.Node, args.Check.Node = "foo", "foo"
if err := srv.agent.RPC("Catalog.Register", args, &out); err != nil {
t.Fatalf("err: %v", err)
}
req, err := http.NewRequest("GET", "/v1/health/state/critical?dc=dc1&near=foo", nil)
if err != nil {
t.Fatalf("err: %v", err)
}
resp := httptest.NewRecorder()
obj, err := srv.HealthChecksInState(resp, req)
if err != nil {
t.Fatalf("err: %v", err)
}
assertIndex(t, resp)
nodes := obj.(structs.HealthChecks)
if len(nodes) != 2 {
t.Fatalf("bad: %v", nodes)
}
if nodes[0].Node != "bar" {
t.Fatalf("bad: %v", nodes)
}
if nodes[1].Node != "foo" {
t.Fatalf("bad: %v", nodes)
}
// Send an update for the node and wait for it to get applied.
arg := structs.CoordinateUpdateRequest{
Datacenter: "dc1",
Node: "foo",
Coord: coordinate.NewCoordinate(coordinate.DefaultConfig()),
}
if err := srv.agent.RPC("Coordinate.Update", &arg, &out); err != nil {
t.Fatalf("err: %v", err)
}
time.Sleep(200 * time.Millisecond)
// Query again and now foo should have moved to the front of the line.
resp = httptest.NewRecorder()
obj, err = srv.HealthChecksInState(resp, req)
if err != nil {
t.Fatalf("err: %v", err)
}
assertIndex(t, resp)
nodes = obj.(structs.HealthChecks)
if len(nodes) != 2 {
t.Fatalf("bad: %v", nodes)
}
if nodes[0].Node != "foo" {
t.Fatalf("bad: %v", nodes)
}
if nodes[1].Node != "bar" {
t.Fatalf("bad: %v", nodes)
}
}
func TestHealthNodeChecks(t *testing.T) {
dir, srv := makeHTTPServer(t)
defer os.RemoveAll(dir)
defer srv.Shutdown()
defer srv.agent.Shutdown()
testutil.WaitForLeader(t, srv.agent.RPC, "dc1")
req, err := http.NewRequest("GET", "/v1/health/node/nope?dc=dc1", nil)
if err != nil {
t.Fatalf("err: %v", err)
}
resp := httptest.NewRecorder()
obj, err := srv.HealthNodeChecks(resp, req)
if err != nil {
t.Fatalf("err: %v", err)
}
assertIndex(t, resp)
// Should be a non-nil empty list
nodes := obj.(structs.HealthChecks)
if nodes == nil || len(nodes) != 0 {
t.Fatalf("bad: %v", obj)
}
req, err = http.NewRequest("GET",
fmt.Sprintf("/v1/health/node/%s?dc=dc1", srv.agent.config.NodeName), nil)
if err != nil {
t.Fatalf("err: %v", err)
}
resp = httptest.NewRecorder()
obj, err = srv.HealthNodeChecks(resp, req)
if err != nil {
t.Fatalf("err: %v", err)
}
assertIndex(t, resp)
// Should be 1 health check for the server
nodes = obj.(structs.HealthChecks)
if len(nodes) != 1 {
t.Fatalf("bad: %v", obj)
}
}
func TestHealthServiceChecks(t *testing.T) {
dir, srv := makeHTTPServer(t)
defer os.RemoveAll(dir)
defer srv.Shutdown()
defer srv.agent.Shutdown()
testutil.WaitForLeader(t, srv.agent.RPC, "dc1")
req, err := http.NewRequest("GET", "/v1/health/checks/consul?dc=dc1", nil)
if err != nil {
t.Fatalf("err: %v", err)
}
resp := httptest.NewRecorder()
obj, err := srv.HealthServiceChecks(resp, req)
if err != nil {
t.Fatalf("err: %v", err)
}
assertIndex(t, resp)
// Should be a non-nil empty list
nodes := obj.(structs.HealthChecks)
if nodes == nil || len(nodes) != 0 {
t.Fatalf("bad: %v", obj)
}
// Create a service check
args := &structs.RegisterRequest{
Datacenter: "dc1",
Node: srv.agent.config.NodeName,
Address: "127.0.0.1",
Check: &structs.HealthCheck{
Node: srv.agent.config.NodeName,
Name: "consul check",
ServiceID: "consul",
},
}
var out struct{}
if err = srv.agent.RPC("Catalog.Register", args, &out); err != nil {
t.Fatalf("err: %v", err)
}
req, err = http.NewRequest("GET", "/v1/health/checks/consul?dc=dc1", nil)
if err != nil {
t.Fatalf("err: %v", err)
}
resp = httptest.NewRecorder()
obj, err = srv.HealthServiceChecks(resp, req)
if err != nil {
t.Fatalf("err: %v", err)
}
assertIndex(t, resp)
// Should be 1 health check for consul
nodes = obj.(structs.HealthChecks)
if len(nodes) != 1 {
t.Fatalf("bad: %v", obj)
}
}
func TestHealthServiceChecks_DistanceSort(t *testing.T) {
dir, srv := makeHTTPServer(t)
defer os.RemoveAll(dir)
defer srv.Shutdown()
defer srv.agent.Shutdown()
testutil.WaitForLeader(t, srv.agent.RPC, "dc1")
// Create a service check
args := &structs.RegisterRequest{
Datacenter: "dc1",
Node: "bar",
Address: "127.0.0.1",
Service: &structs.NodeService{
ID: "test",
Service: "test",
},
Check: &structs.HealthCheck{
Node: "bar",
Name: "test check",
ServiceID: "test",
},
}
var out struct{}
if err := srv.agent.RPC("Catalog.Register", args, &out); err != nil {
t.Fatalf("err: %v", err)
}
args.Node, args.Check.Node = "foo", "foo"
if err := srv.agent.RPC("Catalog.Register", args, &out); err != nil {
t.Fatalf("err: %v", err)
}
req, err := http.NewRequest("GET", "/v1/health/checks/test?dc=dc1&near=foo", nil)
if err != nil {
t.Fatalf("err: %v", err)
}
resp := httptest.NewRecorder()
obj, err := srv.HealthServiceChecks(resp, req)
if err != nil {
t.Fatalf("err: %v", err)
}
assertIndex(t, resp)
nodes := obj.(structs.HealthChecks)
if len(nodes) != 2 {
t.Fatalf("bad: %v", obj)
}
if nodes[0].Node != "bar" {
t.Fatalf("bad: %v", nodes)
}
if nodes[1].Node != "foo" {
t.Fatalf("bad: %v", nodes)
}
// Send an update for the node and wait for it to get applied.
arg := structs.CoordinateUpdateRequest{
Datacenter: "dc1",
Node: "foo",
Coord: coordinate.NewCoordinate(coordinate.DefaultConfig()),
}
if err := srv.agent.RPC("Coordinate.Update", &arg, &out); err != nil {
t.Fatalf("err: %v", err)
}
time.Sleep(200 * time.Millisecond)
// Query again and now foo should have moved to the front of the line.
resp = httptest.NewRecorder()
obj, err = srv.HealthServiceChecks(resp, req)
if err != nil {
t.Fatalf("err: %v", err)
}
assertIndex(t, resp)
nodes = obj.(structs.HealthChecks)
if len(nodes) != 2 {
t.Fatalf("bad: %v", obj)
}
if nodes[0].Node != "foo" {
t.Fatalf("bad: %v", nodes)
}
if nodes[1].Node != "bar" {
t.Fatalf("bad: %v", nodes)
}
}
func TestHealthServiceNodes(t *testing.T) {
dir, srv := makeHTTPServer(t)
defer os.RemoveAll(dir)
defer srv.Shutdown()
defer srv.agent.Shutdown()
testutil.WaitForLeader(t, srv.agent.RPC, "dc1")
req, err := http.NewRequest("GET", "/v1/health/service/consul?dc=dc1", nil)
if err != nil {
t.Fatalf("err: %v", err)
}
resp := httptest.NewRecorder()
obj, err := srv.HealthServiceNodes(resp, req)
if err != nil {
t.Fatalf("err: %v", err)
}
assertIndex(t, resp)
// Should be 1 health check for consul
nodes := obj.(structs.CheckServiceNodes)
if len(nodes) != 1 {
t.Fatalf("bad: %v", obj)
}
req, err = http.NewRequest("GET", "/v1/health/service/nope?dc=dc1", nil)
if err != nil {
t.Fatalf("err: %v", err)
}
resp = httptest.NewRecorder()
obj, err = srv.HealthServiceNodes(resp, req)
if err != nil {
t.Fatalf("err: %v", err)
}
assertIndex(t, resp)
// Should be a non-nil empty list
nodes = obj.(structs.CheckServiceNodes)
if nodes == nil || len(nodes) != 0 {
t.Fatalf("bad: %v", obj)
}
args := &structs.RegisterRequest{
Datacenter: "dc1",
Node: "bar",
Address: "127.0.0.1",
Service: &structs.NodeService{
ID: "test",
Service: "test",
},
}
var out struct{}
if err := srv.agent.RPC("Catalog.Register", args, &out); err != nil {
t.Fatalf("err: %v", err)
}
req, err = http.NewRequest("GET", "/v1/health/service/test?dc=dc1", nil)
if err != nil {
t.Fatalf("err: %v", err)
}
resp = httptest.NewRecorder()
obj, err = srv.HealthServiceNodes(resp, req)
if err != nil {
t.Fatalf("err: %v", err)
}
assertIndex(t, resp)
// Should be a non-nil empty list for checks
nodes = obj.(structs.CheckServiceNodes)
if len(nodes) != 1 || nodes[0].Checks == nil || len(nodes[0].Checks) != 0 {
t.Fatalf("bad: %v", obj)
}
}
func TestHealthServiceNodes_DistanceSort(t *testing.T) {
dir, srv := makeHTTPServer(t)
defer os.RemoveAll(dir)
defer srv.Shutdown()
defer srv.agent.Shutdown()
testutil.WaitForLeader(t, srv.agent.RPC, "dc1")
// Create a service check
args := &structs.RegisterRequest{
Datacenter: "dc1",
Node: "bar",
Address: "127.0.0.1",
Service: &structs.NodeService{
ID: "test",
Service: "test",
},
Check: &structs.HealthCheck{
Node: "bar",
Name: "test check",
ServiceID: "test",
},
}
var out struct{}
if err := srv.agent.RPC("Catalog.Register", args, &out); err != nil {
t.Fatalf("err: %v", err)
}
args.Node, args.Check.Node = "foo", "foo"
if err := srv.agent.RPC("Catalog.Register", args, &out); err != nil {
t.Fatalf("err: %v", err)
}
req, err := http.NewRequest("GET", "/v1/health/service/test?dc=dc1&near=foo", nil)
if err != nil {
t.Fatalf("err: %v", err)
}
resp := httptest.NewRecorder()
obj, err := srv.HealthServiceNodes(resp, req)
if err != nil {
t.Fatalf("err: %v", err)
}
assertIndex(t, resp)
nodes := obj.(structs.CheckServiceNodes)
if len(nodes) != 2 {
t.Fatalf("bad: %v", obj)
}
if nodes[0].Node.Node != "bar" {
t.Fatalf("bad: %v", nodes)
}
if nodes[1].Node.Node != "foo" {
t.Fatalf("bad: %v", nodes)
}
// Send an update for the node and wait for it to get applied.
arg := structs.CoordinateUpdateRequest{
Datacenter: "dc1",
Node: "foo",
Coord: coordinate.NewCoordinate(coordinate.DefaultConfig()),
}
if err := srv.agent.RPC("Coordinate.Update", &arg, &out); err != nil {
t.Fatalf("err: %v", err)
}
time.Sleep(200 * time.Millisecond)
// Query again and now foo should have moved to the front of the line.
resp = httptest.NewRecorder()
obj, err = srv.HealthServiceNodes(resp, req)
if err != nil {
t.Fatalf("err: %v", err)
}
assertIndex(t, resp)
nodes = obj.(structs.CheckServiceNodes)
if len(nodes) != 2 {
t.Fatalf("bad: %v", obj)
}
if nodes[0].Node.Node != "foo" {
t.Fatalf("bad: %v", nodes)
}
if nodes[1].Node.Node != "bar" {
t.Fatalf("bad: %v", nodes)
}
}
func TestHealthServiceNodes_PassingFilter(t *testing.T) {
dir, srv := makeHTTPServer(t)
defer os.RemoveAll(dir)
defer srv.Shutdown()
defer srv.agent.Shutdown()
testutil.WaitForLeader(t, srv.agent.RPC, "dc1")
// Create a failing service check
args := &structs.RegisterRequest{
Datacenter: "dc1",
Node: srv.agent.config.NodeName,
Address: "127.0.0.1",
Check: &structs.HealthCheck{
Node: srv.agent.config.NodeName,
Name: "consul check",
ServiceID: "consul",
Status: structs.HealthCritical,
},
}
var out struct{}
if err := srv.agent.RPC("Catalog.Register", args, &out); err != nil {
t.Fatalf("err: %v", err)
}
req, err := http.NewRequest("GET", "/v1/health/service/consul?passing", nil)
if err != nil {
t.Fatalf("err: %v", err)
}
resp := httptest.NewRecorder()
obj, err := srv.HealthServiceNodes(resp, req)
if err != nil {
t.Fatalf("err: %v", err)
}
assertIndex(t, resp)
// Should be 0 health check for consul
nodes := obj.(structs.CheckServiceNodes)
if len(nodes) != 0 {
t.Fatalf("bad: %v", obj)
}
}
func TestFilterNonPassing(t *testing.T) {
nodes := structs.CheckServiceNodes{
structs.CheckServiceNode{
Checks: structs.HealthChecks{
&structs.HealthCheck{
Status: structs.HealthCritical,
},
&structs.HealthCheck{
Status: structs.HealthCritical,
},
},
},
structs.CheckServiceNode{
Checks: structs.HealthChecks{
&structs.HealthCheck{
Status: structs.HealthCritical,
},
&structs.HealthCheck{
Status: structs.HealthCritical,
},
},
},
structs.CheckServiceNode{
Checks: structs.HealthChecks{
&structs.HealthCheck{
Status: structs.HealthPassing,
},
},
},
}
out := filterNonPassing(nodes)
if len(out) != 1 && reflect.DeepEqual(out[0], nodes[2]) {
t.Fatalf("bad: %v", out)
}
}