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http_test.go
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http_test.go
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// Copyright (c) HashiCorp, Inc.
// SPDX-License-Identifier: MPL-2.0
package agent
import (
"bytes"
"context"
"crypto/tls"
"encoding/json"
"fmt"
"io"
"net"
"net/http"
"net/http/httptest"
"net/netip"
"net/url"
"os"
"path/filepath"
"runtime"
"strconv"
"strings"
"testing"
"time"
"github.com/NYTimes/gziphandler"
"github.com/hashicorp/go-cleanhttp"
"github.com/hashicorp/go-hclog"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"golang.org/x/net/http2"
"github.com/hashicorp/consul/agent/config"
"github.com/hashicorp/consul/agent/consul"
"github.com/hashicorp/consul/agent/structs"
tokenStore "github.com/hashicorp/consul/agent/token"
"github.com/hashicorp/consul/api"
"github.com/hashicorp/consul/sdk/testutil"
"github.com/hashicorp/consul/sdk/testutil/retry"
"github.com/hashicorp/consul/testrpc"
)
func TestHTTPServer_UnixSocket(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Parallel()
if runtime.GOOS == "windows" {
t.SkipNow()
}
tempDir := testutil.TempDir(t, "consul")
socket := filepath.Join(tempDir, "test.sock")
// Only testing mode, since uid/gid might not be settable
// from test environment.
a := NewTestAgent(t, `
addresses {
http = "unix://`+socket+`"
}
unix_sockets {
mode = "0777"
}
`)
defer a.Shutdown()
// Ensure the socket was created
if _, err := os.Stat(socket); err != nil {
t.Fatalf("err: %s", err)
}
// Ensure the mode was set properly
fi, err := os.Stat(socket)
if err != nil {
t.Fatalf("err: %s", err)
}
if fi.Mode().String() != "Srwxrwxrwx" {
t.Fatalf("bad permissions: %s", fi.Mode())
}
// Ensure we can get a response from the socket.
trans := cleanhttp.DefaultTransport()
trans.DialContext = func(_ context.Context, _, _ string) (net.Conn, error) {
return net.Dial("unix", socket)
}
client := &http.Client{
Transport: trans,
}
// This URL doesn't look like it makes sense, but the scheme (http://) and
// the host (127.0.0.1) are required by the HTTP client library. In reality
// this will just use the custom dialer and talk to the socket.
resp, err := client.Get("http://127.0.0.1/v1/agent/self")
if err != nil {
t.Fatalf("err: %s", err)
}
defer resp.Body.Close()
if body, err := io.ReadAll(resp.Body); err != nil || len(body) == 0 {
t.Fatalf("bad: %s %v", body, err)
}
}
func TestHTTPServer_UnixSocket_FileExists(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Parallel()
if runtime.GOOS == "windows" {
t.SkipNow()
}
tempDir := testutil.TempDir(t, "consul")
socket := filepath.Join(tempDir, "test.sock")
// Create a regular file at the socket path
if err := os.WriteFile(socket, []byte("hello world"), 0644); err != nil {
t.Fatalf("err: %s", err)
}
fi, err := os.Stat(socket)
if err != nil {
t.Fatalf("err: %s", err)
}
if !fi.Mode().IsRegular() {
t.Fatalf("not a regular file: %s", socket)
}
a := NewTestAgent(t, `
addresses {
http = "unix://`+socket+`"
}
`)
defer a.Shutdown()
// Ensure the file was replaced by the socket
fi, err = os.Stat(socket)
if err != nil {
t.Fatalf("err: %s", err)
}
if fi.Mode()&os.ModeSocket == 0 {
t.Fatalf("expected socket to replace file")
}
}
func TestHTTPSServer_UnixSocket(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Parallel()
if runtime.GOOS == "windows" {
t.SkipNow()
}
tempDir := testutil.TempDir(t, "consul")
socket := filepath.Join(tempDir, "test.sock")
a := StartTestAgent(t, TestAgent{
UseHTTPS: true,
HCL: `
addresses {
https = "unix://` + socket + `"
}
unix_sockets {
mode = "0777"
}
tls {
defaults {
ca_file = "../test/client_certs/rootca.crt"
cert_file = "../test/client_certs/server.crt"
key_file = "../test/client_certs/server.key"
}
}
`,
})
defer a.Shutdown()
// Ensure the socket was created
if _, err := os.Stat(socket); err != nil {
t.Fatalf("err: %s", err)
}
// Ensure the mode was set properly
fi, err := os.Stat(socket)
if err != nil {
t.Fatalf("err: %s", err)
}
if fi.Mode().String() != "Srwxrwxrwx" {
t.Fatalf("bad permissions: %s", fi.Mode())
}
// Make an HTTP/2-enabled client, using the API helpers to set
// up TLS to be as normal as possible for Consul.
tlscfg := &api.TLSConfig{
Address: "consul.test",
KeyFile: "../test/client_certs/client.key",
CertFile: "../test/client_certs/client.crt",
CAFile: "../test/client_certs/rootca.crt",
}
tlsccfg, err := api.SetupTLSConfig(tlscfg)
if err != nil {
t.Fatalf("err: %v", err)
}
transport := api.DefaultConfig().Transport
transport.TLSHandshakeTimeout = 30 * time.Second
transport.TLSClientConfig = tlsccfg
if err := http2.ConfigureTransport(transport); err != nil {
t.Fatalf("err: %v", err)
}
transport.DialContext = func(_ context.Context, _, _ string) (net.Conn, error) {
return net.Dial("unix", socket)
}
client := &http.Client{Transport: transport}
u, err := url.Parse("https://unix" + socket)
if err != nil {
t.Fatalf("err: %s", err)
}
u.Path = "/v1/agent/self"
u.Scheme = "https"
resp, err := client.Get(u.String())
if err != nil {
t.Fatalf("err: %s", err)
}
defer resp.Body.Close()
if body, err := io.ReadAll(resp.Body); err != nil || len(body) == 0 {
t.Fatalf("bad: %s %v", body, err)
} else if !strings.Contains(string(body), "NodeName") {
t.Fatalf("NodeName not found in results: %s", string(body))
}
}
func TestSetupHTTPServer_HTTP2(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Parallel()
// Fire up an agent with TLS enabled.
a := StartTestAgent(t, TestAgent{
UseHTTPS: true,
HCL: `
tls {
defaults {
ca_file = "../test/client_certs/rootca.crt"
cert_file = "../test/client_certs/server.crt"
key_file = "../test/client_certs/server.key"
}
}
`,
})
defer a.Shutdown()
// Make an HTTP/2-enabled client, using the API helpers to set
// up TLS to be as normal as possible for Consul.
tlscfg := &api.TLSConfig{
Address: "consul.test",
KeyFile: "../test/client_certs/client.key",
CertFile: "../test/client_certs/client.crt",
CAFile: "../test/client_certs/rootca.crt",
}
tlsccfg, err := api.SetupTLSConfig(tlscfg)
if err != nil {
t.Fatalf("err: %v", err)
}
transport := api.DefaultConfig().Transport
transport.TLSHandshakeTimeout = 30 * time.Second
transport.TLSClientConfig = tlsccfg
if err := http2.ConfigureTransport(transport); err != nil {
t.Fatalf("err: %v", err)
}
httpClient := &http.Client{Transport: transport}
// Hook a handler that echoes back the protocol.
handler := func(resp http.ResponseWriter, req *http.Request) {
resp.WriteHeader(http.StatusOK)
fmt.Fprint(resp, req.Proto)
}
// Create an httpServer to be configured with setupHTTPS, and add our
// custom handler.
httpServer := &http.Server{}
noopConnState := func(net.Conn, http.ConnState) {}
err = setupHTTPS(httpServer, noopConnState, time.Second)
require.NoError(t, err)
a.enableDebug.Store(true)
srvHandler := a.srv.handler()
mux, ok := srvHandler.(*wrappedMux)
require.True(t, ok, "expected a *wrappedMux, got %T", handler)
mux.mux.HandleFunc("/echo", handler)
httpServer.Handler = mux
listener, err := net.Listen("tcp", "127.0.0.1:0")
require.NoError(t, err)
tlsListener := tls.NewListener(listener, a.tlsConfigurator.IncomingHTTPSConfig())
go httpServer.Serve(tlsListener)
defer httpServer.Shutdown(context.Background())
// Call it and make sure we see HTTP/2.
url := fmt.Sprintf("https://%s/echo", listener.Addr().String())
resp, err := httpClient.Get(url)
if err != nil {
t.Fatalf("err: %v", err)
}
defer resp.Body.Close()
body, err := io.ReadAll(resp.Body)
if err != nil {
t.Fatalf("err: %v", err)
}
if !bytes.Equal(body, []byte("HTTP/2.0")) {
t.Fatalf("bad: %v", body)
}
// This doesn't have a closed-loop way to verify HTTP/2 support for
// some other endpoint, but configure an API client and make a call
// just as a sanity check.
cfg := &api.Config{
Address: listener.Addr().String(),
Scheme: "https",
HttpClient: httpClient,
}
client, err := api.NewClient(cfg)
if err != nil {
t.Fatalf("err: %v", err)
}
if _, err := client.Agent().Self(); err != nil {
t.Fatalf("err: %v", err)
}
}
func TestSetIndex(t *testing.T) {
t.Parallel()
resp := httptest.NewRecorder()
setIndex(resp, 1000)
header := resp.Header().Get("X-Consul-Index")
if header != "1000" {
t.Fatalf("Bad: %v", header)
}
setIndex(resp, 2000)
if v := resp.Header()["X-Consul-Index"]; len(v) != 1 {
t.Fatalf("bad: %#v", v)
}
}
func TestSetKnownLeader(t *testing.T) {
t.Parallel()
resp := httptest.NewRecorder()
setKnownLeader(resp, true)
header := resp.Header().Get("X-Consul-KnownLeader")
if header != "true" {
t.Fatalf("Bad: %v", header)
}
resp = httptest.NewRecorder()
setKnownLeader(resp, false)
header = resp.Header().Get("X-Consul-KnownLeader")
if header != "false" {
t.Fatalf("Bad: %v", header)
}
}
func TestSetFilteredByACLs(t *testing.T) {
t.Parallel()
resp := httptest.NewRecorder()
setResultsFilteredByACLs(resp, true)
header := resp.Header().Get("X-Consul-Results-Filtered-By-ACLs")
if header != "true" {
t.Fatalf("Bad: %v", header)
}
resp = httptest.NewRecorder()
setResultsFilteredByACLs(resp, false)
header = resp.Header().Get("X-Consul-Results-Filtered-By-ACLs")
if header != "" {
t.Fatalf("Bad: %v", header)
}
}
func TestSetLastContact(t *testing.T) {
t.Parallel()
tests := []struct {
desc string
d time.Duration
h string
}{
{"neg", -1, "0"},
{"zero", 0, "0"},
{"pos", 123 * time.Millisecond, "123"},
{"pos ms only", 123456 * time.Microsecond, "123"},
}
for _, tt := range tests {
t.Run(tt.desc, func(t *testing.T) {
resp := httptest.NewRecorder()
setLastContact(resp, tt.d)
header := resp.Header().Get("X-Consul-LastContact")
if got, want := header, tt.h; got != want {
t.Fatalf("got X-Consul-LastContact header %q want %q", got, want)
}
})
}
}
func TestSetMeta(t *testing.T) {
t.Parallel()
meta := structs.QueryMeta{
Index: 1000,
KnownLeader: true,
LastContact: 123456 * time.Microsecond,
ResultsFilteredByACLs: true,
}
resp := httptest.NewRecorder()
setMeta(resp, &meta)
testCases := map[string]string{
"X-Consul-Index": "1000",
"X-Consul-KnownLeader": "true",
"X-Consul-LastContact": "123",
"X-Consul-Results-Filtered-By-ACLs": "true",
}
for header, expectedValue := range testCases {
if v := resp.Header().Get(header); v != expectedValue {
t.Fatalf("expected %q for header %s got %q", expectedValue, header, v)
}
}
}
func TestHTTPAPI_BlockEndpoints(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Parallel()
a := NewTestAgent(t, `
http_config {
block_endpoints = ["/v1/agent/self"]
}
`)
defer a.Shutdown()
handler := func(resp http.ResponseWriter, req *http.Request) (interface{}, error) {
return nil, nil
}
// Try a blocked endpoint, which should get a 403.
{
req, _ := http.NewRequest("GET", "/v1/agent/self", nil)
resp := httptest.NewRecorder()
a.srv.wrap(handler, []string{"GET"})(resp, req)
if got, want := resp.Code, http.StatusForbidden; got != want {
t.Fatalf("bad response code got %d want %d", got, want)
}
}
// Make sure some other endpoint still works.
{
req, _ := http.NewRequest("GET", "/v1/agent/checks", nil)
resp := httptest.NewRecorder()
a.srv.wrap(handler, []string{"GET"})(resp, req)
if got, want := resp.Code, http.StatusOK; got != want {
t.Fatalf("bad response code got %d want %d", got, want)
}
}
}
func TestHTTPAPI_Ban_Nonprintable_Characters(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
a := NewTestAgent(t, "")
defer a.Shutdown()
_, err := http.NewRequest("GET", "/v1/kv/bad\x00ness", nil)
if err == nil {
t.Fatal("expected error")
}
req, err := http.NewRequest("GET", "/v1/kv/bad%00ness", nil)
if err != nil {
t.Fatal(err)
}
resp := httptest.NewRecorder()
a.enableDebug.Store(true)
a.srv.handler().ServeHTTP(resp, req)
if got, want := resp.Code, http.StatusBadRequest; got != want {
t.Fatalf("bad response code got %d want %d", got, want)
}
}
func TestHTTPAPI_Allow_Nonprintable_Characters_With_Flag(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
a := NewTestAgent(t, "disable_http_unprintable_char_filter = true")
defer a.Shutdown()
_, err := http.NewRequest("GET", "/v1/kv/bad\x00ness", nil)
if err == nil {
t.Fatal("expected error")
}
req, err := http.NewRequest("GET", "/v1/kv/bad%00ness", nil)
if err != nil {
t.Fatal(err)
}
resp := httptest.NewRecorder()
a.enableDebug.Store(true)
a.srv.handler().ServeHTTP(resp, req)
// Key doesn't actually exist so we should get 404
if got, want := resp.Code, http.StatusNotFound; got != want {
t.Fatalf("bad response code got %d want %d", got, want)
}
}
func TestHTTPAPI_TranslateAddrHeader(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Parallel()
// Header should not be present if address translation is off.
{
a := NewTestAgent(t, "")
defer a.Shutdown()
resp := httptest.NewRecorder()
handler := func(resp http.ResponseWriter, req *http.Request) (interface{}, error) {
return nil, nil
}
req, _ := http.NewRequest("GET", "/v1/agent/self", nil)
a.srv.wrap(handler, []string{"GET"})(resp, req)
translate := resp.Header().Get("X-Consul-Translate-Addresses")
if translate != "" {
t.Fatalf("bad: expected %q, got %q", "", translate)
}
}
// Header should be set to true if it's turned on.
{
a := NewTestAgent(t, `
translate_wan_addrs = true
`)
defer a.Shutdown()
resp := httptest.NewRecorder()
handler := func(resp http.ResponseWriter, req *http.Request) (interface{}, error) {
return nil, nil
}
req, _ := http.NewRequest("GET", "/v1/agent/self", nil)
a.srv.wrap(handler, []string{"GET"})(resp, req)
translate := resp.Header().Get("X-Consul-Translate-Addresses")
if translate != "true" {
t.Fatalf("bad: expected %q, got %q", "true", translate)
}
}
}
func TestHTTPAPI_DefaultACLPolicy(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Parallel()
type testcase struct {
name string
hcl string
expect string
}
cases := []testcase{
{
name: "default is allow",
hcl: ``,
expect: "allow",
},
{
name: "explicit allow",
hcl: `acl { default_policy = "allow" }`,
expect: "allow",
},
{
name: "explicit deny",
hcl: `acl { default_policy = "deny" }`,
expect: "deny",
},
}
for _, tc := range cases {
tc := tc
t.Run(tc.name, func(t *testing.T) {
t.Parallel()
a := NewTestAgent(t, tc.hcl)
defer a.Shutdown()
resp := httptest.NewRecorder()
handler := func(resp http.ResponseWriter, req *http.Request) (interface{}, error) {
return nil, nil
}
req, _ := http.NewRequest("GET", "/v1/agent/self", nil)
a.srv.wrap(handler, []string{"GET"})(resp, req)
require.Equal(t, tc.expect, resp.Header().Get("X-Consul-Default-ACL-Policy"))
})
}
}
func TestHTTPAPIResponseHeaders(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Parallel()
a := NewTestAgent(t, `
ui_config {
# Explicitly disable UI so we can ensure the index replacement gets headers too.
enabled = false
}
http_config {
response_headers = {
"Access-Control-Allow-Origin" = "*"
"X-XSS-Protection" = "1; mode=block"
"X-Frame-Options" = "SAMEORIGIN"
}
}
`)
defer a.Shutdown()
requireHasHeadersSet(t, a, "/v1/agent/self")
// Check the Index page that just renders a simple message with UI disabled
// also gets the right headers.
requireHasHeadersSet(t, a, "/")
}
func requireHasHeadersSet(t *testing.T, a *TestAgent, path string) {
t.Helper()
resp := httptest.NewRecorder()
req, _ := http.NewRequest("GET", path, nil)
a.enableDebug.Store(true)
a.srv.handler().ServeHTTP(resp, req)
hdrs := resp.Header()
require.Equal(t, "*", hdrs.Get("Access-Control-Allow-Origin"),
"Access-Control-Allow-Origin header value incorrect")
require.Equal(t, "1; mode=block", hdrs.Get("X-XSS-Protection"),
"X-XSS-Protection header value incorrect")
}
func TestUIResponseHeaders(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Parallel()
a := NewTestAgent(t, `
http_config {
response_headers = {
"Access-Control-Allow-Origin" = "*"
"X-XSS-Protection" = "1; mode=block"
"X-Frame-Options" = "SAMEORIGIN"
}
}
`)
defer a.Shutdown()
requireHasHeadersSet(t, a, "/ui")
}
func TestAcceptEncodingGzip(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Parallel()
a := NewTestAgent(t, "")
defer a.Shutdown()
// Setting up the KV to store a short and a long value
buf := bytes.NewBuffer([]byte("short"))
req, _ := http.NewRequest("PUT", "/v1/kv/short", buf)
resp := httptest.NewRecorder()
_, err := a.srv.KVSEndpoint(resp, req)
require.NoError(t, err)
// this generates a string which is longer than
// gziphandler.DefaultMinSize to trigger compression.
long := fmt.Sprintf(fmt.Sprintf("%%0%dd", gziphandler.DefaultMinSize+1), 1)
buf = bytes.NewBuffer([]byte(long))
req, _ = http.NewRequest("PUT", "/v1/kv/long", buf)
resp = httptest.NewRecorder()
_, err = a.srv.KVSEndpoint(resp, req)
require.NoError(t, err)
resp = httptest.NewRecorder()
req, _ = http.NewRequest("GET", "/v1/kv/short", nil)
// Usually this would be automatically set by transport content
// negotiation, but since this call doesn't go through a real
// transport, the header has to be set manually
req.Header["Accept-Encoding"] = []string{"gzip"}
a.enableDebug.Store(true)
a.srv.handler().ServeHTTP(resp, req)
require.Equal(t, 200, resp.Code)
require.Equal(t, "", resp.Header().Get("Content-Encoding"))
resp = httptest.NewRecorder()
req, _ = http.NewRequest("GET", "/v1/kv/long", nil)
req.Header["Accept-Encoding"] = []string{"gzip"}
a.enableDebug.Store(true)
a.srv.handler().ServeHTTP(resp, req)
require.Equal(t, 200, resp.Code)
require.Equal(t, "gzip", resp.Header().Get("Content-Encoding"))
}
func TestContentTypeIsJSON(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Parallel()
a := NewTestAgent(t, "")
defer a.Shutdown()
resp := httptest.NewRecorder()
handler := func(resp http.ResponseWriter, req *http.Request) (interface{}, error) {
// stub out a DirEntry so that it will be encoded as JSON
return &structs.DirEntry{Key: "key"}, nil
}
req, _ := http.NewRequest("GET", "/v1/kv/key", nil)
a.srv.wrap(handler, []string{"GET"})(resp, req)
contentType := resp.Header().Get("Content-Type")
if contentType != "application/json" {
t.Fatalf("Content-Type header was not 'application/json'")
}
}
func TestHTTP_wrap_obfuscateLog(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Parallel()
buf := &syncBuffer{b: new(bytes.Buffer)}
a := StartTestAgent(t, TestAgent{
LogOutput: buf,
LogLevel: hclog.Debug,
})
defer a.Shutdown()
handler := func(resp http.ResponseWriter, req *http.Request) (interface{}, error) {
return nil, nil
}
for _, pair := range [][]string{
{
"/some/url?token=secret1&token=secret2",
"/some/url?token=<hidden>&token=<hidden>",
},
{
"/v1/acl/clone/secret1",
"/v1/acl/clone/<hidden>",
},
{
"/v1/acl/clone/secret1?token=secret2",
"/v1/acl/clone/<hidden>?token=<hidden>",
},
{
"/v1/acl/destroy/secret1",
"/v1/acl/destroy/<hidden>",
},
{
"/v1/acl/destroy/secret1?token=secret2",
"/v1/acl/destroy/<hidden>?token=<hidden>",
},
{
"/v1/acl/info/secret1",
"/v1/acl/info/<hidden>",
},
{
"/v1/acl/info/secret1?token=secret2",
"/v1/acl/info/<hidden>?token=<hidden>",
},
} {
url, want := pair[0], pair[1]
t.Run(url, func(t *testing.T) {
resp := httptest.NewRecorder()
req, _ := http.NewRequest("GET", url, nil)
a.srv.wrap(handler, []string{"GET"})(resp, req)
bufout := buf.String()
require.Contains(t, bufout, want)
})
}
}
func TestPrettyPrint(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Parallel()
testPrettyPrint("pretty=1", t)
}
func TestPrettyPrintBare(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Parallel()
testPrettyPrint("pretty", t)
}
func testPrettyPrint(pretty string, t *testing.T) {
a := NewTestAgent(t, "")
defer a.Shutdown()
r := &structs.DirEntry{Key: "key"}
resp := httptest.NewRecorder()
handler := func(resp http.ResponseWriter, req *http.Request) (interface{}, error) {
return r, nil
}
urlStr := "/v1/kv/key?" + pretty
req, _ := http.NewRequest("GET", urlStr, nil)
a.srv.wrap(handler, []string{"GET"})(resp, req)
expected, _ := json.MarshalIndent(r, "", " ")
expected = append(expected, "\n"...)
actual, err := io.ReadAll(resp.Body)
if err != nil {
t.Fatalf("err: %s", err)
}
if !bytes.Equal(expected, actual) {
t.Fatalf("bad: %q", string(actual))
}
}
func TestParseSource(t *testing.T) {
if testing.Short() {
t.Skip("too slow for testing.Short")
}
t.Parallel()
a := NewTestAgent(t, "")
defer a.Shutdown()
// Default is agent's DC and no node (since the user didn't care, then
// just give them the cheapest possible query).
req, _ := http.NewRequest("GET", "/v1/catalog/nodes", nil)
source := structs.QuerySource{}
a.srv.parseSource(req, &source)
if source.Datacenter != "dc1" || source.Node != "" {
t.Fatalf("bad: %v", source)
}
// Adding the source parameter should set that node.
req, _ = http.NewRequest("GET", "/v1/catalog/nodes?near=bob", nil)
source = structs.QuerySource{}
a.srv.parseSource(req, &source)
if source.Datacenter != "dc1" || source.Node != "bob" {
t.Fatalf("bad: %v", source)
}
// We should follow whatever dc parameter was given so that the node is
// looked up correctly on the receiving end.
req, _ = http.NewRequest("GET", "/v1/catalog/nodes?near=bob&dc=foo", nil)
source = structs.QuerySource{}
a.srv.parseSource(req, &source)
if source.Datacenter != "foo" || source.Node != "bob" {
t.Fatalf("bad: %v", source)
}
// We should follow whatever datacenter parameter was given so that the node is
// looked up correctly on the receiving end.
req, _ = http.NewRequest("GET", "/v1/catalog/nodes?near=bob&datacenter=foo", nil)
source = structs.QuerySource{}
a.srv.parseSource(req, &source)
if source.Datacenter != "foo" || source.Node != "bob" {
t.Fatalf("bad: %v", source)
}
// The magic "_agent" node name will use the agent's local node name.
req, _ = http.NewRequest("GET", "/v1/catalog/nodes?near=_agent", nil)
source = structs.QuerySource{}
a.srv.parseSource(req, &source)
if source.Datacenter != "dc1" || source.Node != a.Config.NodeName {
t.Fatalf("bad: %v", source)
}
}
func TestParseCacheControl(t *testing.T) {
tests := []struct {
name string
headerVal string
want structs.QueryOptions
wantErr bool
}{
{
name: "empty header",
headerVal: "",
want: structs.QueryOptions{},
wantErr: false,
},
{
name: "simple max-age",
headerVal: "max-age=30",
want: structs.QueryOptions{
MaxAge: 30 * time.Second,
},
wantErr: false,
},
{
name: "zero max-age",
headerVal: "max-age=0",
want: structs.QueryOptions{
MustRevalidate: true,
},
wantErr: false,
},
{
name: "must-revalidate",
headerVal: "must-revalidate",
want: structs.QueryOptions{
MustRevalidate: true,
},
wantErr: false,
},
{
name: "mixes age, must-revalidate",
headerVal: "max-age=123, must-revalidate",
want: structs.QueryOptions{
MaxAge: 123 * time.Second,
MustRevalidate: true,
},
wantErr: false,
},
{
name: "quoted max-age",
headerVal: "max-age=\"30\"",
want: structs.QueryOptions{},
wantErr: true,
},
{
name: "mixed case max-age",
headerVal: "Max-Age=30",
want: structs.QueryOptions{
MaxAge: 30 * time.Second,
},
wantErr: false,
},
{
name: "simple stale-if-error",
headerVal: "stale-if-error=300",
want: structs.QueryOptions{
StaleIfError: 300 * time.Second,
},
wantErr: false,
},
{
name: "combined with space",
headerVal: "max-age=30, stale-if-error=300",
want: structs.QueryOptions{
MaxAge: 30 * time.Second,
StaleIfError: 300 * time.Second,
},
wantErr: false,
},
{
name: "combined no space",
headerVal: "stale-IF-error=300,max-age=30",
want: structs.QueryOptions{
MaxAge: 30 * time.Second,
StaleIfError: 300 * time.Second,
},
wantErr: false,
},