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Moves ACL disabled response logic down into endpoints. 

This lets us make the registration of endpoints less fancy, on the
road to adding a registration mechanism.
This commit is contained in:
James Phillips 2017-11-28 13:47:30 -08:00
parent 521e46ce91
commit 29367cd5ae
No known key found for this signature in database
GPG Key ID: 77183E682AC5FC11
5 changed files with 87 additions and 24 deletions
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35
agent/acl_endpoint.go
View File

@ -14,16 +14,24 @@ type aclCreateResponse struct {
ID string
}
// ACLDisabled handles if ACL datacenter is not configured
func ACLDisabled(resp http.ResponseWriter, req *http.Request) (interface{}, error) {
// checkACLDisabled will return a standard response if ACLs are disabled. This
// returns true if they are disabled and we should not continue.
func (s *HTTPServer) checkACLDisabled(resp http.ResponseWriter, req *http.Request) bool {
if s.agent.config.ACLDatacenter != "" {
return false
}
resp.WriteHeader(http.StatusUnauthorized)
fmt.Fprint(resp, "ACL support disabled")
return nil, nil
return true
}
// ACLBootstrap is used to perform a one-time ACL bootstrap operation on
// a cluster to get the first management token.
func (s *HTTPServer) ACLBootstrap(resp http.ResponseWriter, req *http.Request) (interface{}, error) {
if s.checkACLDisabled(resp, req) {
return nil, nil
}
if req.Method != "PUT" {
return nil, MethodNotAllowedError{req.Method, []string{"PUT"}}
}
@ -48,6 +56,9 @@ func (s *HTTPServer) ACLBootstrap(resp http.ResponseWriter, req *http.Request) (
}
func (s *HTTPServer) ACLDestroy(resp http.ResponseWriter, req *http.Request) (interface{}, error) {
if s.checkACLDisabled(resp, req) {
return nil, nil
}
if req.Method != "PUT" {
return nil, MethodNotAllowedError{req.Method, []string{"PUT"}}
}
@ -74,6 +85,9 @@ func (s *HTTPServer) ACLDestroy(resp http.ResponseWriter, req *http.Request) (in
}
func (s *HTTPServer) ACLCreate(resp http.ResponseWriter, req *http.Request) (interface{}, error) {
if s.checkACLDisabled(resp, req) {
return nil, nil
}
if req.Method != "PUT" {
return nil, MethodNotAllowedError{req.Method, []string{"PUT"}}
}
@ -81,6 +95,9 @@ func (s *HTTPServer) ACLCreate(resp http.ResponseWriter, req *http.Request) (int
}
func (s *HTTPServer) ACLUpdate(resp http.ResponseWriter, req *http.Request) (interface{}, error) {
if s.checkACLDisabled(resp, req) {
return nil, nil
}
if req.Method != "PUT" {
return nil, MethodNotAllowedError{req.Method, []string{"PUT"}}
}
@ -129,6 +146,9 @@ func (s *HTTPServer) aclSet(resp http.ResponseWriter, req *http.Request, update
}
func (s *HTTPServer) ACLClone(resp http.ResponseWriter, req *http.Request) (interface{}, error) {
if s.checkACLDisabled(resp, req) {
return nil, nil
}
if req.Method != "PUT" {
return nil, MethodNotAllowedError{req.Method, []string{"PUT"}}
}
@ -181,6 +201,9 @@ func (s *HTTPServer) ACLClone(resp http.ResponseWriter, req *http.Request) (inte
}
func (s *HTTPServer) ACLGet(resp http.ResponseWriter, req *http.Request) (interface{}, error) {
if s.checkACLDisabled(resp, req) {
return nil, nil
}
if req.Method != "GET" {
return nil, MethodNotAllowedError{req.Method, []string{"GET"}}
}
@ -215,6 +238,9 @@ func (s *HTTPServer) ACLGet(resp http.ResponseWriter, req *http.Request) (interf
}
func (s *HTTPServer) ACLList(resp http.ResponseWriter, req *http.Request) (interface{}, error) {
if s.checkACLDisabled(resp, req) {
return nil, nil
}
if req.Method != "GET" {
return nil, MethodNotAllowedError{req.Method, []string{"GET"}}
}
@ -241,6 +267,9 @@ func (s *HTTPServer) ACLList(resp http.ResponseWriter, req *http.Request) (inter
}
func (s *HTTPServer) ACLReplicationStatus(resp http.ResponseWriter, req *http.Request) (interface{}, error) {
if s.checkACLDisabled(resp, req) {
return nil, nil
}
if req.Method != "GET" {
return nil, MethodNotAllowedError{req.Method, []string{"GET"}}
}

39
agent/acl_endpoint_test.go
View File

@ -3,14 +3,53 @@ package agent
import (
"bytes"
"encoding/json"
"fmt"
"net/http"
"net/http/httptest"
"strings"
"testing"
"github.com/hashicorp/consul/acl"
"github.com/hashicorp/consul/agent/structs"
)
func TestACL_Disabled_Response(t *testing.T) {
t.Parallel()
a := NewTestAgent(t.Name(), "")
defer a.Shutdown()
tests := []func(resp http.ResponseWriter, req *http.Request) (interface{}, error){
a.srv.ACLBootstrap,
a.srv.ACLDestroy,
a.srv.ACLCreate,
a.srv.ACLUpdate,
a.srv.ACLClone,
a.srv.ACLGet,
a.srv.ACLList,
a.srv.ACLReplicationStatus,
a.srv.AgentToken, // See TestAgent_Token.
}
for i, tt := range tests {
t.Run(fmt.Sprintf("%d", i), func(t *testing.T) {
req, _ := http.NewRequest("PUT", "/should/not/care", nil)
resp := httptest.NewRecorder()
obj, err := tt(resp, req)
if err != nil {
t.Fatalf("err: %v", err)
}
if obj != nil {
t.Fatalf("bad: %#v", obj)
}
if got, want := resp.Code, http.StatusUnauthorized; got != want {
t.Fatalf("got %d want %d", got, want)
}
if !strings.Contains(resp.Body.String(), "ACL support disabled") {
t.Fatalf("bad: %#v", resp)
}
})
}
}
func makeTestACL(t *testing.T, srv *HTTPServer) string {
body := bytes.NewBuffer(nil)
enc := json.NewEncoder(body)

3
agent/agent_endpoint.go
View File

@ -809,6 +809,9 @@ func (h *httpLogHandler) HandleLog(log string) {
}
func (s *HTTPServer) AgentToken(resp http.ResponseWriter, req *http.Request) (interface{}, error) {
if s.checkACLDisabled(resp, req) {
return nil, nil
}
if req.Method != "PUT" {
return nil, MethodNotAllowedError{req.Method, []string{"PUT"}}
}

4
agent/agent_endpoint_test.go
View File

@ -1771,6 +1771,10 @@ func TestAgent_Monitor_ACLDeny(t *testing.T) {
func TestAgent_Token(t *testing.T) {
t.Parallel()
// The behavior of this handler when ACLs are disabled is vetted over
// in TestACL_Disabled_Response since there's already good infra set
// up over there to test this, and it calls the common function.
a := NewTestAgent(t.Name(), TestACLConfig()+`
acl_token = ""
acl_agent_token = ""

30
agent/http.go
View File

@ -77,27 +77,15 @@ func (s *HTTPServer) handler(enableDebug bool) http.Handler {
mux.HandleFunc("/", s.Index)
// API V1.
if s.agent.config.ACLDatacenter != "" {
handleFuncMetrics("/v1/acl/bootstrap", s.wrap(s.ACLBootstrap))
handleFuncMetrics("/v1/acl/create", s.wrap(s.ACLCreate))
handleFuncMetrics("/v1/acl/update", s.wrap(s.ACLUpdate))
handleFuncMetrics("/v1/acl/destroy/", s.wrap(s.ACLDestroy))
handleFuncMetrics("/v1/acl/info/", s.wrap(s.ACLGet))
handleFuncMetrics("/v1/acl/clone/", s.wrap(s.ACLClone))
handleFuncMetrics("/v1/acl/list", s.wrap(s.ACLList))
handleFuncMetrics("/v1/acl/replication", s.wrap(s.ACLReplicationStatus))
handleFuncMetrics("/v1/agent/token/", s.wrap(s.AgentToken))
} else {
handleFuncMetrics("/v1/acl/bootstrap", s.wrap(ACLDisabled))
handleFuncMetrics("/v1/acl/create", s.wrap(ACLDisabled))
handleFuncMetrics("/v1/acl/update", s.wrap(ACLDisabled))
handleFuncMetrics("/v1/acl/destroy/", s.wrap(ACLDisabled))
handleFuncMetrics("/v1/acl/info/", s.wrap(ACLDisabled))
handleFuncMetrics("/v1/acl/clone/", s.wrap(ACLDisabled))
handleFuncMetrics("/v1/acl/list", s.wrap(ACLDisabled))
handleFuncMetrics("/v1/acl/replication", s.wrap(ACLDisabled))
handleFuncMetrics("/v1/agent/token/", s.wrap(ACLDisabled))
}
handleFuncMetrics("/v1/acl/bootstrap", s.wrap(s.ACLBootstrap))
handleFuncMetrics("/v1/acl/create", s.wrap(s.ACLCreate))
handleFuncMetrics("/v1/acl/update", s.wrap(s.ACLUpdate))
handleFuncMetrics("/v1/acl/destroy/", s.wrap(s.ACLDestroy))
handleFuncMetrics("/v1/acl/info/", s.wrap(s.ACLGet))
handleFuncMetrics("/v1/acl/clone/", s.wrap(s.ACLClone))
handleFuncMetrics("/v1/acl/list", s.wrap(s.ACLList))
handleFuncMetrics("/v1/acl/replication", s.wrap(s.ACLReplicationStatus))
handleFuncMetrics("/v1/agent/token/", s.wrap(s.AgentToken))
handleFuncMetrics("/v1/agent/self", s.wrap(s.AgentSelf))
handleFuncMetrics("/v1/agent/maintenance", s.wrap(s.AgentNodeMaintenance))
handleFuncMetrics("/v1/agent/reload", s.wrap(s.AgentReload))