649 lines
16 KiB
Go
649 lines
16 KiB
Go
package agent
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import (
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"bytes"
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"context"
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"encoding/json"
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"fmt"
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"io"
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"io/ioutil"
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"log"
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"net"
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"net/http"
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"net/http/httptest"
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"os"
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"path/filepath"
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"runtime"
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"strconv"
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"strings"
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"testing"
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"time"
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"github.com/hashicorp/consul/consul/structs"
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"github.com/hashicorp/consul/logger"
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"github.com/hashicorp/consul/testrpc"
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"github.com/hashicorp/consul/testutil"
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"github.com/hashicorp/go-cleanhttp"
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)
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func makeHTTPServer(t *testing.T) (string, *HTTPServer) {
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return makeHTTPServerWithConfig(t, nil)
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}
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func makeHTTPServerWithConfig(t *testing.T, cb func(c *Config)) (string, *HTTPServer) {
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return makeHTTPServerWithConfigLog(t, cb, nil, nil)
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}
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func makeHTTPServerWithACLs(t *testing.T) (string, *HTTPServer) {
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dir, srv := makeHTTPServerWithConfig(t, func(c *Config) {
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c.ACLDatacenter = c.Datacenter
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c.ACLDefaultPolicy = "deny"
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c.ACLMasterToken = "root"
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c.ACLAgentToken = "root"
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c.ACLAgentMasterToken = "towel"
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c.ACLEnforceVersion8 = Bool(true)
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})
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// Need a leader to look up ACLs, so wait here so we don't need to
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// repeat this in each test.
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testrpc.WaitForLeader(t, srv.agent.RPC, "dc1")
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return dir, srv
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}
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func makeHTTPServerWithConfigLog(t *testing.T, cb func(c *Config), l io.Writer, logWriter *logger.LogWriter) (string, *HTTPServer) {
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configTry := 0
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RECONF:
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configTry++
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conf := nextConfig()
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if cb != nil {
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cb(conf)
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}
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dir, agent := makeAgentLog(t, conf, l, logWriter)
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servers, err := NewHTTPServers(agent)
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if err != nil {
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if configTry < 3 {
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goto RECONF
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}
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t.Fatalf("err: %v", err)
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}
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if len(servers) == 0 {
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t.Fatalf(fmt.Sprintf("Failed to make HTTP server"))
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}
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return dir, servers[0]
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}
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func TestHTTPServer_UnixSocket(t *testing.T) {
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if runtime.GOOS == "windows" {
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t.SkipNow()
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}
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tempDir := testutil.TempDir(t, "consul")
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defer os.RemoveAll(tempDir)
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socket := filepath.Join(tempDir, "test.sock")
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dir, srv := makeHTTPServerWithConfig(t, func(c *Config) {
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c.Addresses.HTTP = "unix://" + socket
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// Only testing mode, since uid/gid might not be settable
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// from test environment.
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c.UnixSockets = UnixSocketConfig{}
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c.UnixSockets.Perms = "0777"
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})
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defer os.RemoveAll(dir)
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defer srv.Shutdown()
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defer srv.agent.Shutdown()
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// Ensure the socket was created
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if _, err := os.Stat(socket); err != nil {
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t.Fatalf("err: %s", err)
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}
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// Ensure the mode was set properly
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fi, err := os.Stat(socket)
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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 fi.Mode().String() != "Srwxrwxrwx" {
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t.Fatalf("bad permissions: %s", fi.Mode())
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}
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// Ensure we can get a response from the socket.
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path, _ := unixSocketAddr(srv.agent.config.Addresses.HTTP)
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trans := cleanhttp.DefaultTransport()
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trans.DialContext = func(_ context.Context, _, _ string) (net.Conn, error) {
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return net.Dial("unix", path)
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}
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client := &http.Client{
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Transport: trans,
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}
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// This URL doesn't look like it makes sense, but the scheme (http://) and
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// the host (127.0.0.1) are required by the HTTP client library. In reality
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// this will just use the custom dialer and talk to the socket.
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resp, err := client.Get("http://127.0.0.1/v1/agent/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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defer resp.Body.Close()
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if body, err := ioutil.ReadAll(resp.Body); err != nil || len(body) == 0 {
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t.Fatalf("bad: %s %v", body, err)
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}
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}
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func TestHTTPServer_UnixSocket_FileExists(t *testing.T) {
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if runtime.GOOS == "windows" {
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t.SkipNow()
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}
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tempDir := testutil.TempDir(t, "consul")
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defer os.RemoveAll(tempDir)
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socket := filepath.Join(tempDir, "test.sock")
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// Create a regular file at the socket path
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if err := ioutil.WriteFile(socket, []byte("hello world"), 0644); err != nil {
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t.Fatalf("err: %s", err)
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}
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fi, err := os.Stat(socket)
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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 !fi.Mode().IsRegular() {
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t.Fatalf("not a regular file: %s", socket)
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}
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conf := nextConfig()
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conf.Addresses.HTTP = "unix://" + socket
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dir, agent := makeAgent(t, conf)
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defer os.RemoveAll(dir)
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// Try to start the server with the same path anyways.
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if _, err := NewHTTPServers(agent); err != nil {
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t.Fatalf("err: %s", err)
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}
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// Ensure the file was replaced by the socket
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fi, err = os.Stat(socket)
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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 fi.Mode()&os.ModeSocket == 0 {
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t.Fatalf("expected socket to replace file")
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}
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}
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func TestSetIndex(t *testing.T) {
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resp := httptest.NewRecorder()
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setIndex(resp, 1000)
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header := resp.Header().Get("X-Consul-Index")
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if header != "1000" {
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t.Fatalf("Bad: %v", header)
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}
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setIndex(resp, 2000)
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if v := resp.Header()["X-Consul-Index"]; len(v) != 1 {
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t.Fatalf("bad: %#v", v)
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}
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}
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func TestSetKnownLeader(t *testing.T) {
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resp := httptest.NewRecorder()
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setKnownLeader(resp, true)
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header := resp.Header().Get("X-Consul-KnownLeader")
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if header != "true" {
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t.Fatalf("Bad: %v", header)
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}
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resp = httptest.NewRecorder()
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setKnownLeader(resp, false)
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header = resp.Header().Get("X-Consul-KnownLeader")
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if header != "false" {
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t.Fatalf("Bad: %v", header)
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}
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}
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func TestSetLastContact(t *testing.T) {
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resp := httptest.NewRecorder()
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setLastContact(resp, 123456*time.Microsecond)
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header := resp.Header().Get("X-Consul-LastContact")
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if header != "123" {
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t.Fatalf("Bad: %v", header)
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}
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}
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func TestSetMeta(t *testing.T) {
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meta := structs.QueryMeta{
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Index: 1000,
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KnownLeader: true,
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LastContact: 123456 * time.Microsecond,
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}
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resp := httptest.NewRecorder()
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setMeta(resp, &meta)
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header := resp.Header().Get("X-Consul-Index")
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if header != "1000" {
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t.Fatalf("Bad: %v", header)
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}
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header = resp.Header().Get("X-Consul-KnownLeader")
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if header != "true" {
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t.Fatalf("Bad: %v", header)
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}
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header = resp.Header().Get("X-Consul-LastContact")
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if header != "123" {
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t.Fatalf("Bad: %v", header)
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}
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}
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func TestHTTPAPI_TranslateAddrHeader(t *testing.T) {
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// Header should not be present if address translation is off.
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{
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dir, srv := makeHTTPServer(t)
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defer os.RemoveAll(dir)
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defer srv.Shutdown()
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defer srv.agent.Shutdown()
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resp := httptest.NewRecorder()
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handler := func(resp http.ResponseWriter, req *http.Request) (interface{}, error) {
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return nil, nil
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}
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req, _ := http.NewRequest("GET", "/v1/agent/self", nil)
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srv.wrap(handler)(resp, req)
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translate := resp.Header().Get("X-Consul-Translate-Addresses")
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if translate != "" {
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t.Fatalf("bad: expected %q, got %q", "", translate)
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}
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}
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// Header should be set to true if it's turned on.
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{
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dir, srv := makeHTTPServer(t)
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srv.agent.config.TranslateWanAddrs = true
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defer os.RemoveAll(dir)
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defer srv.Shutdown()
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defer srv.agent.Shutdown()
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resp := httptest.NewRecorder()
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handler := func(resp http.ResponseWriter, req *http.Request) (interface{}, error) {
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return nil, nil
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}
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req, _ := http.NewRequest("GET", "/v1/agent/self", nil)
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srv.wrap(handler)(resp, req)
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translate := resp.Header().Get("X-Consul-Translate-Addresses")
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if translate != "true" {
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t.Fatalf("bad: expected %q, got %q", "true", translate)
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}
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}
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}
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func TestHTTPAPIResponseHeaders(t *testing.T) {
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dir, srv := makeHTTPServer(t)
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srv.agent.config.HTTPAPIResponseHeaders = map[string]string{
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"Access-Control-Allow-Origin": "*",
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"X-XSS-Protection": "1; mode=block",
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}
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defer os.RemoveAll(dir)
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defer srv.Shutdown()
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defer srv.agent.Shutdown()
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resp := httptest.NewRecorder()
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handler := func(resp http.ResponseWriter, req *http.Request) (interface{}, error) {
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return nil, nil
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}
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req, _ := http.NewRequest("GET", "/v1/agent/self", nil)
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srv.wrap(handler)(resp, req)
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origin := resp.Header().Get("Access-Control-Allow-Origin")
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if origin != "*" {
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t.Fatalf("bad Access-Control-Allow-Origin: expected %q, got %q", "*", origin)
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}
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xss := resp.Header().Get("X-XSS-Protection")
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if xss != "1; mode=block" {
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t.Fatalf("bad X-XSS-Protection header: expected %q, got %q", "1; mode=block", xss)
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}
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}
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func TestContentTypeIsJSON(t *testing.T) {
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dir, srv := makeHTTPServer(t)
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defer os.RemoveAll(dir)
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defer srv.Shutdown()
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defer srv.agent.Shutdown()
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resp := httptest.NewRecorder()
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handler := func(resp http.ResponseWriter, req *http.Request) (interface{}, error) {
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// stub out a DirEntry so that it will be encoded as JSON
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return &structs.DirEntry{Key: "key"}, nil
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}
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req, _ := http.NewRequest("GET", "/v1/kv/key", nil)
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srv.wrap(handler)(resp, req)
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contentType := resp.Header().Get("Content-Type")
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if contentType != "application/json" {
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t.Fatalf("Content-Type header was not 'application/json'")
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}
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}
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func TestHTTP_wrap_obfuscateLog(t *testing.T) {
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dir, srv := makeHTTPServer(t)
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defer os.RemoveAll(dir)
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defer srv.Shutdown()
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defer srv.agent.Shutdown()
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// Attach a custom logger so we can inspect it
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buf := &bytes.Buffer{}
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srv.logger = log.New(buf, "", log.LstdFlags)
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resp := httptest.NewRecorder()
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req, _ := http.NewRequest("GET", "/some/url?token=secret1&token=secret2", nil)
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handler := func(resp http.ResponseWriter, req *http.Request) (interface{}, error) {
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return nil, nil
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}
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srv.wrap(handler)(resp, req)
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// Make sure no tokens from the URL show up in the log
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if strings.Contains(buf.String(), "secret") {
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t.Fatalf("bad: %s", buf.String())
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}
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}
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func TestPrettyPrint(t *testing.T) {
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testPrettyPrint("pretty=1", t)
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}
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func TestPrettyPrintBare(t *testing.T) {
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testPrettyPrint("pretty", t)
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}
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func testPrettyPrint(pretty string, t *testing.T) {
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dir, srv := makeHTTPServer(t)
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defer os.RemoveAll(dir)
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defer srv.Shutdown()
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defer srv.agent.Shutdown()
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r := &structs.DirEntry{Key: "key"}
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resp := httptest.NewRecorder()
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handler := func(resp http.ResponseWriter, req *http.Request) (interface{}, error) {
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return r, nil
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}
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urlStr := "/v1/kv/key?" + pretty
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req, _ := http.NewRequest("GET", urlStr, nil)
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srv.wrap(handler)(resp, req)
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expected, _ := json.MarshalIndent(r, "", " ")
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expected = append(expected, "\n"...)
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actual, err := ioutil.ReadAll(resp.Body)
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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 !bytes.Equal(expected, actual) {
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t.Fatalf("bad: %q", string(actual))
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}
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}
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func TestParseSource(t *testing.T) {
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dir, srv := makeHTTPServer(t)
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defer os.RemoveAll(dir)
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defer srv.Shutdown()
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defer srv.agent.Shutdown()
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// Default is agent's DC and no node (since the user didn't care, then
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// just give them the cheapest possible query).
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req, _ := http.NewRequest("GET", "/v1/catalog/nodes", nil)
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source := structs.QuerySource{}
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srv.parseSource(req, &source)
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if source.Datacenter != "dc1" || source.Node != "" {
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t.Fatalf("bad: %v", source)
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}
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// Adding the source parameter should set that node.
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req, _ = http.NewRequest("GET", "/v1/catalog/nodes?near=bob", nil)
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source = structs.QuerySource{}
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srv.parseSource(req, &source)
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if source.Datacenter != "dc1" || source.Node != "bob" {
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t.Fatalf("bad: %v", source)
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}
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// We should follow whatever dc parameter was given so that the node is
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// looked up correctly on the receiving end.
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req, _ = http.NewRequest("GET", "/v1/catalog/nodes?near=bob&dc=foo", nil)
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source = structs.QuerySource{}
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srv.parseSource(req, &source)
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if source.Datacenter != "foo" || source.Node != "bob" {
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t.Fatalf("bad: %v", source)
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}
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// The magic "_agent" node name will use the agent's local node name.
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req, _ = http.NewRequest("GET", "/v1/catalog/nodes?near=_agent", nil)
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source = structs.QuerySource{}
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srv.parseSource(req, &source)
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if source.Datacenter != "dc1" || source.Node != srv.agent.config.NodeName {
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t.Fatalf("bad: %v", source)
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}
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}
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func TestParseWait(t *testing.T) {
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resp := httptest.NewRecorder()
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var b structs.QueryOptions
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req, _ := http.NewRequest("GET", "/v1/catalog/nodes?wait=60s&index=1000", nil)
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if d := parseWait(resp, req, &b); d {
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t.Fatalf("unexpected done")
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}
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if b.MinQueryIndex != 1000 {
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t.Fatalf("Bad: %v", b)
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}
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if b.MaxQueryTime != 60*time.Second {
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t.Fatalf("Bad: %v", b)
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}
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}
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func TestParseWait_InvalidTime(t *testing.T) {
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resp := httptest.NewRecorder()
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var b structs.QueryOptions
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req, _ := http.NewRequest("GET", "/v1/catalog/nodes?wait=60foo&index=1000", nil)
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if d := parseWait(resp, req, &b); !d {
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t.Fatalf("expected done")
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}
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if resp.Code != 400 {
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t.Fatalf("bad code: %v", resp.Code)
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}
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}
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func TestParseWait_InvalidIndex(t *testing.T) {
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resp := httptest.NewRecorder()
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var b structs.QueryOptions
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req, _ := http.NewRequest("GET", "/v1/catalog/nodes?wait=60s&index=foo", nil)
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if d := parseWait(resp, req, &b); !d {
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t.Fatalf("expected done")
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}
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if resp.Code != 400 {
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t.Fatalf("bad code: %v", resp.Code)
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}
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}
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func TestParseConsistency(t *testing.T) {
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resp := httptest.NewRecorder()
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var b structs.QueryOptions
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req, _ := http.NewRequest("GET", "/v1/catalog/nodes?stale", nil)
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if d := parseConsistency(resp, req, &b); d {
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t.Fatalf("unexpected done")
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}
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if !b.AllowStale {
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t.Fatalf("Bad: %v", b)
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}
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if b.RequireConsistent {
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t.Fatalf("Bad: %v", b)
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}
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b = structs.QueryOptions{}
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req, _ = http.NewRequest("GET", "/v1/catalog/nodes?consistent", nil)
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if d := parseConsistency(resp, req, &b); d {
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t.Fatalf("unexpected done")
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}
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if b.AllowStale {
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t.Fatalf("Bad: %v", b)
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}
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if !b.RequireConsistent {
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t.Fatalf("Bad: %v", b)
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}
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}
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func TestParseConsistency_Invalid(t *testing.T) {
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resp := httptest.NewRecorder()
|
|
var b structs.QueryOptions
|
|
|
|
req, _ := http.NewRequest("GET", "/v1/catalog/nodes?stale&consistent", nil)
|
|
if d := parseConsistency(resp, req, &b); !d {
|
|
t.Fatalf("expected done")
|
|
}
|
|
|
|
if resp.Code != 400 {
|
|
t.Fatalf("bad code: %v", resp.Code)
|
|
}
|
|
}
|
|
|
|
// Test ACL token is resolved in correct order
|
|
func TestACLResolution(t *testing.T) {
|
|
var token string
|
|
// Request without token
|
|
req, _ := http.NewRequest("GET", "/v1/catalog/nodes", nil)
|
|
// Request with explicit token
|
|
reqToken, _ := http.NewRequest("GET", "/v1/catalog/nodes?token=foo", nil)
|
|
// Request with header token only
|
|
reqHeaderToken, _ := http.NewRequest("GET", "/v1/catalog/nodes", nil)
|
|
reqHeaderToken.Header.Add("X-Consul-Token", "bar")
|
|
|
|
// Request with header and querystring tokens
|
|
reqBothTokens, _ := http.NewRequest("GET", "/v1/catalog/nodes?token=baz", nil)
|
|
reqBothTokens.Header.Add("X-Consul-Token", "zap")
|
|
|
|
httpTest(t, func(srv *HTTPServer) {
|
|
// Check when no token is set
|
|
srv.agent.config.ACLToken = ""
|
|
srv.parseToken(req, &token)
|
|
if token != "" {
|
|
t.Fatalf("bad: %s", token)
|
|
}
|
|
|
|
// Check when ACLToken set
|
|
srv.agent.config.ACLToken = "agent"
|
|
srv.parseToken(req, &token)
|
|
if token != "agent" {
|
|
t.Fatalf("bad: %s", token)
|
|
}
|
|
|
|
// Explicit token has highest precedence
|
|
srv.parseToken(reqToken, &token)
|
|
if token != "foo" {
|
|
t.Fatalf("bad: %s", token)
|
|
}
|
|
|
|
// Header token has precedence over agent token
|
|
srv.parseToken(reqHeaderToken, &token)
|
|
if token != "bar" {
|
|
t.Fatalf("bad: %s", token)
|
|
}
|
|
|
|
// Querystring token has precedence over header and agent tokens
|
|
srv.parseToken(reqBothTokens, &token)
|
|
if token != "baz" {
|
|
t.Fatalf("bad: %s", token)
|
|
}
|
|
})
|
|
}
|
|
|
|
func TestEnableWebUI(t *testing.T) {
|
|
httpTestWithConfig(t, func(s *HTTPServer) {
|
|
req, _ := http.NewRequest("GET", "/ui/", nil)
|
|
// Perform the request
|
|
resp := httptest.NewRecorder()
|
|
s.mux.ServeHTTP(resp, req)
|
|
|
|
// Check the result
|
|
if resp.Code != 200 {
|
|
t.Fatalf("should handle ui")
|
|
}
|
|
}, func(c *Config) {
|
|
c.EnableUI = true
|
|
})
|
|
}
|
|
|
|
// assertIndex tests that X-Consul-Index is set and non-zero
|
|
func assertIndex(t *testing.T, resp *httptest.ResponseRecorder) {
|
|
header := resp.Header().Get("X-Consul-Index")
|
|
if header == "" || header == "0" {
|
|
t.Fatalf("Bad: %v", header)
|
|
}
|
|
}
|
|
|
|
// checkIndex is like assertIndex but returns an error
|
|
func checkIndex(resp *httptest.ResponseRecorder) error {
|
|
header := resp.Header().Get("X-Consul-Index")
|
|
if header == "" || header == "0" {
|
|
return fmt.Errorf("Bad: %v", header)
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// getIndex parses X-Consul-Index
|
|
func getIndex(t *testing.T, resp *httptest.ResponseRecorder) uint64 {
|
|
header := resp.Header().Get("X-Consul-Index")
|
|
if header == "" {
|
|
t.Fatalf("Bad: %v", header)
|
|
}
|
|
val, err := strconv.Atoi(header)
|
|
if err != nil {
|
|
t.Fatalf("Bad: %v", header)
|
|
}
|
|
return uint64(val)
|
|
}
|
|
|
|
func httpTest(t *testing.T, f func(srv *HTTPServer)) {
|
|
httpTestWithConfig(t, f, nil)
|
|
}
|
|
|
|
func httpTestWithConfig(t *testing.T, f func(srv *HTTPServer), cb func(c *Config)) {
|
|
dir, srv := makeHTTPServerWithConfig(t, cb)
|
|
defer os.RemoveAll(dir)
|
|
defer srv.Shutdown()
|
|
defer srv.agent.Shutdown()
|
|
testrpc.WaitForLeader(t, srv.agent.RPC, "dc1")
|
|
f(srv)
|
|
}
|
|
|
|
func isPermissionDenied(err error) bool {
|
|
return err != nil && strings.Contains(err.Error(), errPermissionDenied.Error())
|
|
}
|
|
|
|
func jsonReader(v interface{}) io.Reader {
|
|
if v == nil {
|
|
return nil
|
|
}
|
|
b := new(bytes.Buffer)
|
|
if err := json.NewEncoder(b).Encode(v); err != nil {
|
|
panic(err)
|
|
}
|
|
return b
|
|
}
|