Merge pull request #6017 from hashicorp/f-policy-json

api: Add parsed rules to policy response

CHANGELOG.md

@@ -5,6 +5,7 @@ FEATURES:
 
 IMPROVEMENTS:
  * api: Add `StartedAt` field to `Node.DrainStrategy` [[GH-6698](https://github.com/hashicorp/nomad/issues/6698)]
+ * api: Added JSON representation of rules to policy endpoint response [[GH-6017](https://github.com/hashicorp/nomad/pull/6017)]
  * build: Updated to Go 1.12.13 [[GH-6606](https://github.com/hashicorp/nomad/issues/6606)]
  * core: Add support for running under Windows Service Manager [[GH-6220](https://github.com/hashicorp/nomad/issues/6220)]
  * cli: Show full ID in node and alloc individual status views [[GH-6425](https://github.com/hashicorp/nomad/issues/6425)]

command/acl_policy_info_test.go

@@ -5,7 +5,6 @@ import (
 	"strings"
 	"testing"
 
-	"github.com/hashicorp/nomad/acl"
 	"github.com/hashicorp/nomad/command/agent"
 	"github.com/hashicorp/nomad/nomad/mock"
 	"github.com/hashicorp/nomad/nomad/structs"
@@ -31,7 +30,7 @@ func TestACLPolicyInfoCommand(t *testing.T) {
 	// Create a test ACLPolicy
 	policy := &structs.ACLPolicy{
 		Name:  "testPolicy",
-		Rules: acl.PolicyWrite,
+		Rules: "node { policy = \"read\" }",
 	}
 	policy.SetHash()
 	assert.Nil(state.UpsertACLPolicies(1000, []*structs.ACLPolicy{policy}))

nomad/acl_endpoint.go

@@ -11,6 +11,7 @@ import (
 	metrics "github.com/armon/go-metrics"
 	log "github.com/hashicorp/go-hclog"
 	memdb "github.com/hashicorp/go-memdb"
+	policy "github.com/hashicorp/nomad/acl"
 	"github.com/hashicorp/nomad/helper/uuid"
 	"github.com/hashicorp/nomad/nomad/state"
 	"github.com/hashicorp/nomad/nomad/structs"
@@ -263,6 +264,12 @@ func (a *ACL) GetPolicy(args *structs.ACLPolicySpecificRequest, reply *structs.S
 			reply.Policy = out
 			if out != nil {
 				reply.Index = out.ModifyIndex
+				rules, err := policy.Parse(out.Rules)
+
+				if err != nil {
+					return err
+				}
+				reply.Policy.RulesJSON = rules
 			} else {
 				// Use the last index that affected the policy table
 				index, err := state.Index("acl_policy")

nomad/structs/structs.go

@@ -9062,9 +9062,10 @@ func IsServerSide(e error) bool {
 
 // ACLPolicy is used to represent an ACL policy
 type ACLPolicy struct {
-	Name        string // Unique name
-	Description string // Human readable
-	Rules       string // HCL or JSON format
+	Name        string      // Unique name
+	Description string      // Human readable
+	Rules       string      // HCL or JSON format
+	RulesJSON   *acl.Policy // Generated from Rules on read
 	Hash        []byte
 	CreateIndex uint64
 	ModifyIndex uint64