Improve token fetching performance for endpoints controller.

Prior to this change, the endpoints controller would list all ACL tokens in a
namespace when a service instance is being deleted. This commit improves the
performance by querying only the necessary subset of tokens by service-identity
/ service-name.

acceptance/go.mod

@@ -5,8 +5,8 @@ go 1.20
 require (
 	github.com/gruntwork-io/terratest v0.31.2
 	github.com/hashicorp/consul-k8s/control-plane v0.0.0-20230724205934-5b57e6340dff
-	github.com/hashicorp/consul/api v1.22.0-rc1
-	github.com/hashicorp/consul/sdk v0.14.0-rc1
+	github.com/hashicorp/consul/api v1.22.0-rc1.0.20230906181627-0b2e31bbfa2c
+	github.com/hashicorp/consul/sdk v0.14.1
 	github.com/hashicorp/go-uuid v1.0.3
 	github.com/hashicorp/go-version v1.6.0
 	github.com/hashicorp/serf v0.10.1

acceptance/go.sum

@@ -339,8 +339,11 @@ github.com/hashicorp/consul-k8s/control-plane v0.0.0-20230724205934-5b57e6340dff
 github.com/hashicorp/consul-k8s/control-plane v0.0.0-20230724205934-5b57e6340dff/go.mod h1:stDdIOMKKlo8hZMViCPPNiLCNuYea2eQofHzOPZUz/o=
 github.com/hashicorp/consul/api v1.22.0-rc1 h1:ePmGqndeMgaI38KUbSA/CqTzeEAIogXyWnfNJzglo70=
 github.com/hashicorp/consul/api v1.22.0-rc1/go.mod h1:wtduXtbAqSGtBdi3tyA5SSAYGAG51rBejV9SEUBciMY=
+github.com/hashicorp/consul/api v1.22.0-rc1.0.20230906181627-0b2e31bbfa2c h1:BTZmWmB9yo9lAoYTErVPvaBinPL/OvI8uIrUIC6ung8=
+github.com/hashicorp/consul/api v1.22.0-rc1.0.20230906181627-0b2e31bbfa2c/go.mod h1:NZJGRFYruc/80wYowkPFCp1LbGmJC9L8izrwfyVx/Wg=
 github.com/hashicorp/consul/sdk v0.14.0-rc1 h1:PuETOfN0uxl28i0Pq6rK7TBCrIl7psMbL0YTSje4KvM=
 github.com/hashicorp/consul/sdk v0.14.0-rc1/go.mod h1:gHYeuDa0+0qRAD6Wwr6yznMBvBwHKoxSBoW5l73+saE=
+github.com/hashicorp/consul/sdk v0.14.1/go.mod h1:vFt03juSzocLRFo59NkeQHHmQa6+g7oU0pfzdI1mUhg=
 github.com/hashicorp/errwrap v1.0.0/go.mod h1:YH+1FKiLXxHSkmPseP+kNlulaMuP3n2brvKWEqk/Jc4=
 github.com/hashicorp/errwrap v1.1.0 h1:OxrOeh75EUXMY8TBjag2fzXGZ40LB6IKw45YeGUDY2I=
 github.com/hashicorp/errwrap v1.1.0/go.mod h1:YH+1FKiLXxHSkmPseP+kNlulaMuP3n2brvKWEqk/Jc4=
@@ -525,6 +528,7 @@ github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822/go.mod h1:+n7T8m
 github.com/mwitkow/go-conntrack v0.0.0-20161129095857-cc309e4a2223/go.mod h1:qRWi+5nqEBWmkhHvq77mSJWrCKwh8bxhgT7d/eI7P4U=
 github.com/mwitkow/go-conntrack v0.0.0-20190716064945-2f068394615f/go.mod h1:qRWi+5nqEBWmkhHvq77mSJWrCKwh8bxhgT7d/eI7P4U=
 github.com/mxk/go-flowrate v0.0.0-20140419014527-cca7078d478f/go.mod h1:ZdcZmHo+o7JKHSa8/e818NopupXU1YMK5fe1lsApnBw=
+github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e/go.mod h1:zD1mROLANZcx1PVRCS0qkT7pwLkGfwJo4zjcN/Tysno=
 github.com/oklog/run v1.0.0 h1:Ru7dDtJNOyC66gQ5dQmaCa0qIsAUFY3sFpK1Xk8igrw=
 github.com/oklog/run v1.0.0/go.mod h1:dlhp/R75TPv97u0XWUtDeV/lRKWPKSdTuV0TZvrmrQA=
 github.com/olekukonko/tablewriter v0.0.0-20170122224234-a0225b3f23b5/go.mod h1:vsDQFd/mU46D+Z4whnwzcISnGGzXWMclvtLoiIKAKIo=

acceptance/tests/connect/connect_inject_test.go

@@ -134,6 +134,24 @@ func TestConnectInject_CleanupKilledPods(t *testing.T) {
 			require.Len(t, pods.Items, 1)
 			podName := pods.Items[0].Name
 
+			// Ensure the token exists
+			if secure {
+				retry.Run(t, func(r *retry.R) {
+					tokens, _, err := consulClient.ACL().TokenListFiltered(
+						api.ACLTokenFilterOptions{ServiceName: "static-client"}, nil)
+					require.NoError(r, err)
+					// Ensure that the tokens exist. Note that we must iterate over the tokens and scan for the name,
+					// because older versions of Consul do not support the filtered query param and will return
+					// the full list of tokens instead.
+					count := 0
+					for _, t := range tokens {
+						if len(t.ServiceIdentities) > 0 && t.ServiceIdentities[0].ServiceName == "static-client" {
+							count++
+						}
+					}
+					require.Greater(r, count, 0)
+				})
+			}
 			logger.Logf(t, "force killing the static-client pod %q", podName)
 			var gracePeriod int64 = 0
 			err = ctx.KubernetesClient(t).CoreV1().Pods(ns).Delete(context.Background(), podName, metav1.DeleteOptions{GracePeriodSeconds: &gracePeriod})
@@ -152,6 +170,18 @@ func TestConnectInject_CleanupKilledPods(t *testing.T) {
 					}
 				}
 			})
+			// Ensure the token is cleaned up
+			if secure {
+				retry.Run(t, func(r *retry.R) {
+					tokens, _, err := consulClient.ACL().TokenList(nil)
+					require.NoError(r, err)
+					for _, t := range tokens {
+						if strings.Contains(t.Description, podName) {
+							r.Errorf("Found a token that was supposed to be deleted for pod %v", podName)
+						}
+					}
+				})
+			}
 		})
 	}
 }

control-plane/connect-inject/controllers/endpoints/endpoints_controller.go

@@ -965,9 +965,18 @@ func (r *Controller) deleteACLTokensForServiceInstance(apiClient *api.Client, sv
 		return nil
 	}
 
-	tokens, _, err := apiClient.ACL().TokenList(&api.QueryOptions{
-		Namespace: svc.Namespace,
-	})
+	// Note that while the `TokenListFiltered` query below should only return a subset
+	// of tokens from the Consul servers, it will return an unfiltered list on older
+	// versions of Consul (because they do not yet support the query parameter).
+	// To be safe, we still need to iterate over tokens and assert the service name
+	// matches as well.
+	tokens, _, err := apiClient.ACL().TokenListFiltered(
+		api.ACLTokenFilterOptions{
+			ServiceName: svc.Service,
+		},
+		&api.QueryOptions{
+			Namespace: svc.Namespace,
+		})
 	if err != nil {
 		return fmt.Errorf("failed to get a list of tokens from Consul: %s", err)
 	}

control-plane/go.mod

@@ -10,8 +10,8 @@ require (
 	github.com/google/shlex v0.0.0-20191202100458-e7afc7fbc510
 	github.com/hashicorp/consul-k8s/control-plane/cni v0.0.0-20230511143918-bd16ab83383d
 	github.com/hashicorp/consul-server-connection-manager v0.1.3
-	github.com/hashicorp/consul/api v1.22.0-rc1
-	github.com/hashicorp/consul/sdk v0.14.0-rc1
+	github.com/hashicorp/consul/api v1.22.0-rc1.0.20230906181627-0b2e31bbfa2c
+	github.com/hashicorp/consul/sdk v0.14.1
 	github.com/hashicorp/go-bexpr v0.1.11
 	github.com/hashicorp/go-discover v0.0.0-20230519164032-214571b6a530
 	github.com/hashicorp/go-hclog v1.5.0

control-plane/go.sum

@@ -77,6 +77,7 @@ github.com/armon/go-metrics v0.4.1/go.mod h1:E6amYzXo6aW1tqzoZGT755KkbgrJsSdpwZ+
 github.com/armon/go-radix v0.0.0-20180808171621-7fddfc383310/go.mod h1:ufUuZ+zHj4x4TnLV4JWEpy2hxWSpsRywHrMgIH9cCH8=
 github.com/armon/go-radix v1.0.0 h1:F4z6KzEeeQIMeLFa97iZU6vupzoecKdU5TX24SNppXI=
 github.com/armon/go-radix v1.0.0/go.mod h1:ufUuZ+zHj4x4TnLV4JWEpy2hxWSpsRywHrMgIH9cCH8=
+github.com/asaskevich/govalidator v0.0.0-20190424111038-f61b66f89f4a/go.mod h1:lB+ZfQJz7igIIfQNfa7Ml4HSf2uFQQRzpGGRXenZAgY=
 github.com/aws/aws-sdk-go v1.44.262 h1:gyXpcJptWoNkK+DiAiaBltlreoWKQXjAIh6FRh60F+I=
 github.com/aws/aws-sdk-go v1.44.262/go.mod h1:aVsgQcEevwlmQ7qHE9I3h+dtQgpqhFB+i8Phjh7fkwI=
 github.com/benbjohnson/clock v1.1.0 h1:Q92kusRqC1XV2MjkWETPvjJVqKetz1OzxZB7mHJLju8=
@@ -127,6 +128,7 @@ github.com/dimchansky/utfbom v1.1.0 h1:FcM3g+nofKgUteL8dm/UpdRXNC9KmADgTpLKsu0TR
 github.com/dimchansky/utfbom v1.1.0/go.mod h1:rO41eb7gLfo8SF1jd9F8HplJm1Fewwi4mQvIirEdv+8=
 github.com/dnaeon/go-vcr v1.0.1 h1:r8L/HqC0Hje5AXMu1ooW8oyQyOFv4GxqpL0nRP7SLLY=
 github.com/docopt/docopt-go v0.0.0-20180111231733-ee0de3bc6815/go.mod h1:WwZ+bS3ebgob9U8Nd0kOddGdZWjyMGR8Wziv+TBNwSE=
+github.com/elazarl/goproxy v0.0.0-20180725130230-947c36da3153/go.mod h1:/Zj4wYkgs4iZTTu3o/KG3Itv/qCCa8VVMlb3i9OVuzc=
 github.com/emicklei/go-restful/v3 v3.9.0 h1:XwGDlfxEnQZzuopoqxwSEllNcCOM9DhhFyhFIIGKwxE=
 github.com/emicklei/go-restful/v3 v3.9.0/go.mod h1:6n3XBCmQQb25CM2LCACGz8ukIrRry+4bhvbpWn3mrbc=
 github.com/envoyproxy/go-control-plane v0.9.0/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
@@ -219,6 +221,7 @@ github.com/golang/snappy v0.0.4/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEW
 github.com/google/btree v0.0.0-20180813153112-4030bb1f1f0c/go.mod h1:lNA+9X1NB3Zf8V7Ke586lFgjr2dZNuvo3lPJSGZ5JPQ=
 github.com/google/btree v1.0.0/go.mod h1:lNA+9X1NB3Zf8V7Ke586lFgjr2dZNuvo3lPJSGZ5JPQ=
 github.com/google/btree v1.0.1 h1:gK4Kx5IaGY9CD5sPJ36FHiBJ6ZXl0kilRiiCj+jdYp4=
+github.com/google/btree v1.0.1/go.mod h1:xXMiIv4Fb/0kKde4SpL7qlzvu5cMJDRkFDxJfI9uaxA=
 github.com/google/gnostic v0.5.7-v3refs h1:FhTMOKj2VhjpouxvWJAV1TL304uMlb9zcDqkl6cEI54=
 github.com/google/gnostic v0.5.7-v3refs/go.mod h1:73MKFl6jIHelAJNaBGFzt3SPtZULs9dYrGFt8OiIsHQ=
 github.com/google/go-cmp v0.2.0/go.mod h1:oXzfMopK8JAjlY9xF4vHSVASa0yLyX7SntLO5aqRK0M=
@@ -257,19 +260,25 @@ github.com/google/uuid v1.3.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+
 github.com/googleapis/gax-go/v2 v2.0.4/go.mod h1:0Wqv26UfaUD9n4G6kQubkQ+KchISgw+vpHVxEJEs9eg=
 github.com/googleapis/gax-go/v2 v2.0.5 h1:sjZBwGj9Jlw33ImPtvFviGYvseOtDM7hkSKB7+Tv3SM=
 github.com/googleapis/gax-go/v2 v2.0.5/go.mod h1:DWXyrwAJ9X0FpwwEdw+IPEYBICEFu5mhpdKc/us6bOk=
+github.com/googleapis/gnostic v0.5.5/go.mod h1:7+EbHbldMins07ALC74bsA81Ovc97DwqyJO1AENw9kA=
 github.com/gophercloud/gophercloud v0.1.0 h1:P/nh25+rzXouhytV2pUHBb65fnds26Ghl8/391+sT5o=
 github.com/gophercloud/gophercloud v0.1.0/go.mod h1:vxM41WHh5uqHVBMZHzuwNOHh8XEoIEcSTewFxm1c5g8=
+github.com/gorilla/websocket v1.4.2/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
+github.com/gregjones/httpcache v0.0.0-20180305231024-9cad4c3443a7/go.mod h1:FecbI9+v66THATjSRHfNgh1IVFe/9kFxbXtjV0ctIMA=
 github.com/grpc-ecosystem/grpc-gateway v1.16.0/go.mod h1:BDjrQk3hbvj6Nolgz8mAMFbcEtjT1g+wF4CSlocrBnw=
 github.com/hashicorp/consul-k8s/control-plane/cni v0.0.0-20230511143918-bd16ab83383d h1:RJ1MZ8JKnfgKQ1kR3IBQAMpOpzXrdseZAYN/QR//MFM=
 github.com/hashicorp/consul-k8s/control-plane/cni v0.0.0-20230511143918-bd16ab83383d/go.mod h1:IHIHMzkoMwlv6rLsgwcoFBVYupR7/1pKEOHBMjD4L0k=
 github.com/hashicorp/consul-server-connection-manager v0.1.3 h1:fxsZ15XBNNWhV26yBVdCcnxHwSRgf9wqHGS2ZVCQIhc=
 github.com/hashicorp/consul-server-connection-manager v0.1.3/go.mod h1:Md2IGKaFJ4ek9GUA0pW1S2R60wpquMOUs27GiD9kZd0=
 github.com/hashicorp/consul/api v1.22.0-rc1 h1:ePmGqndeMgaI38KUbSA/CqTzeEAIogXyWnfNJzglo70=
 github.com/hashicorp/consul/api v1.22.0-rc1/go.mod h1:wtduXtbAqSGtBdi3tyA5SSAYGAG51rBejV9SEUBciMY=
+github.com/hashicorp/consul/api v1.22.0-rc1.0.20230906181627-0b2e31bbfa2c h1:BTZmWmB9yo9lAoYTErVPvaBinPL/OvI8uIrUIC6ung8=
+github.com/hashicorp/consul/api v1.22.0-rc1.0.20230906181627-0b2e31bbfa2c/go.mod h1:NZJGRFYruc/80wYowkPFCp1LbGmJC9L8izrwfyVx/Wg=
 github.com/hashicorp/consul/proto-public v0.1.0 h1:O0LSmCqydZi363hsqc6n2v5sMz3usQMXZF6ziK3SzXU=
 github.com/hashicorp/consul/proto-public v0.1.0/go.mod h1:vs2KkuWwtjkIgA5ezp4YKPzQp4GitV+q/+PvksrA92k=
 github.com/hashicorp/consul/sdk v0.14.0-rc1 h1:PuETOfN0uxl28i0Pq6rK7TBCrIl7psMbL0YTSje4KvM=
 github.com/hashicorp/consul/sdk v0.14.0-rc1/go.mod h1:gHYeuDa0+0qRAD6Wwr6yznMBvBwHKoxSBoW5l73+saE=
+github.com/hashicorp/consul/sdk v0.14.1/go.mod h1:vFt03juSzocLRFo59NkeQHHmQa6+g7oU0pfzdI1mUhg=
 github.com/hashicorp/errwrap v1.0.0/go.mod h1:YH+1FKiLXxHSkmPseP+kNlulaMuP3n2brvKWEqk/Jc4=
 github.com/hashicorp/errwrap v1.1.0 h1:OxrOeh75EUXMY8TBjag2fzXGZ40LB6IKw45YeGUDY2I=
 github.com/hashicorp/errwrap v1.1.0/go.mod h1:YH+1FKiLXxHSkmPseP+kNlulaMuP3n2brvKWEqk/Jc4=
@@ -424,6 +433,7 @@ github.com/mitchellh/pointerstructure v1.2.1 h1:ZhBBeX8tSlRpu/FFhXH4RC4OJzFlqsQh
 github.com/mitchellh/pointerstructure v1.2.1/go.mod h1:BRAsLI5zgXmw97Lf6s25bs8ohIXc3tViBH44KcwB2g4=
 github.com/mitchellh/reflectwalk v1.0.0 h1:9D+8oIskB4VJBN5SFlmc27fSlIBZaov1Wpk/IfikLNY=
 github.com/mitchellh/reflectwalk v1.0.0/go.mod h1:mSTlrgnPZtwu0c4WaC2kGObEpuNDbx0jmZXqmk4esnw=
+github.com/moby/spdystream v0.2.0/go.mod h1:f7i0iNDQJ059oMTcWxx8MA/zKFIuD/lY+0GqbN2Wy8c=
 github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
 github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd h1:TRLaZ9cD/w8PVh93nsPXa1VrQ6jlwL5oN8l14QlcNfg=
 github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
@@ -435,8 +445,10 @@ github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 h1:C3w9PqII01/Oq
 github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822/go.mod h1:+n7T8mK8HuQTcFwEeznm/DIxMOiR9yIdICNftLE1DvQ=
 github.com/mwitkow/go-conntrack v0.0.0-20161129095857-cc309e4a2223/go.mod h1:qRWi+5nqEBWmkhHvq77mSJWrCKwh8bxhgT7d/eI7P4U=
 github.com/mwitkow/go-conntrack v0.0.0-20190716064945-2f068394615f/go.mod h1:qRWi+5nqEBWmkhHvq77mSJWrCKwh8bxhgT7d/eI7P4U=
+github.com/mxk/go-flowrate v0.0.0-20140419014527-cca7078d478f/go.mod h1:ZdcZmHo+o7JKHSa8/e818NopupXU1YMK5fe1lsApnBw=
 github.com/nicolai86/scaleway-sdk v1.10.2-0.20180628010248-798f60e20bb2 h1:BQ1HW7hr4IVovMwWg0E0PYcyW8CzqDcVmaew9cujU4s=
 github.com/nicolai86/scaleway-sdk v1.10.2-0.20180628010248-798f60e20bb2/go.mod h1:TLb2Sg7HQcgGdloNxkrmtgDNR9uVYF3lfdFIN4Ro6Sk=
+github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e/go.mod h1:zD1mROLANZcx1PVRCS0qkT7pwLkGfwJo4zjcN/Tysno=
 github.com/nxadm/tail v1.4.4/go.mod h1:kenIhsEOeOJmVchQTgglprH7qJGnHDVpk1VPCcaMI8A=
 github.com/nxadm/tail v1.4.8/go.mod h1:+ncqLTQzXmGhMZNUePPaPqPvBxHAIsmXswZKocGu+AU=
 github.com/oklog/run v1.0.0 h1:Ru7dDtJNOyC66gQ5dQmaCa0qIsAUFY3sFpK1Xk8igrw=
@@ -456,6 +468,7 @@ github.com/packethost/packngo v0.1.1-0.20180711074735-b9cb5096f54c/go.mod h1:otz
 github.com/pascaldekloe/goe v0.0.0-20180627143212-57f6aae5913c/go.mod h1:lzWF7FIEvWOWxwDKqyGYQf6ZUaNfKdP144TG7ZOy1lc=
 github.com/pascaldekloe/goe v0.1.0 h1:cBOtyMzM9HTpWjXfbbunk26uA6nG3a8n06Wieeh0MwY=
 github.com/pascaldekloe/goe v0.1.0/go.mod h1:lzWF7FIEvWOWxwDKqyGYQf6ZUaNfKdP144TG7ZOy1lc=
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