policy/ppl: handle mix of json/yaml and semantic equality (#11)

Related:
https://linear.app/pomerium/issue/ENG-1752/terraform-ppl-is-considered-changed-every-time

Author: wasaga

example/.gitignore

@@ -1,5 +1,4 @@
 .terraform
 .terraform.lock.hcl
-terraform.tfstate
-terraform.tfstate.backup
+terraform.tfstate*
 terraform.tfvars

example/main.tf

@@ -38,20 +38,20 @@ resource "pomerium_route" "test_route" {
   policies     = [pomerium_policy.test_policy.id]
 }
 
-# Data source examples
-data "pomerium_namespace" "existing_namespace" {
-  id = "9d8dbd2c-8cce-4e66-9c1f-c490b4a07243"
-}
-
-data "pomerium_route" "existing_route" {
-  id = pomerium_route.test_route.id
-}
-
-# Output examples
-output "namespace_name" {
-  value = data.pomerium_namespace.existing_namespace.name
-}
-
-output "route_from" {
-  value = data.pomerium_route.existing_route.from
-}
+# # Data source examples
+# data "pomerium_namespace" "existing_namespace" {
+#   id = "9d8dbd2c-8cce-4e66-9c1f-c490b4a07243"
+# }
+
+# data "pomerium_route" "existing_route" {
+#   id = pomerium_route.test_route.id
+# }
+
+# # Output examples
+# output "namespace_name" {
+#   value = data.pomerium_namespace.existing_namespace.name
+# }
+
+# output "route_from" {
+#   value = data.pomerium_route.existing_route.from
+# }

go.mod

@@ -5,33 +5,36 @@ go 1.23.0
 require (
 	github.com/go-jose/go-jose/v3 v3.0.3
 	github.com/hashicorp/terraform-plugin-framework v1.11.0
+	github.com/hashicorp/terraform-plugin-go v0.23.0
 	github.com/hashicorp/terraform-plugin-log v0.9.0
-	github.com/pomerium/enterprise-client-go v0.18.1-0.20240903154554-9b855ec72cfd
+	github.com/pomerium/enterprise-client-go v0.18.1-0.20241202185750-aab20a674922
+	github.com/pomerium/pomerium v0.28.0
 	github.com/rs/zerolog v1.33.0
-	github.com/stretchr/testify v1.9.0
-	google.golang.org/grpc v1.66.2
+	github.com/stretchr/testify v1.10.0
+	google.golang.org/grpc v1.68.0
 )
 
 require (
 	cel.dev/expr v0.16.1 // indirect
-	github.com/caddyserver/certmagic v0.21.3 // indirect
+	github.com/OneOfOne/xxhash v1.2.8 // indirect
+	github.com/caddyserver/certmagic v0.21.4 // indirect
 	github.com/caddyserver/zerossl v0.1.3 // indirect
 	github.com/cenkalti/backoff/v4 v4.3.0 // indirect
 	github.com/cncf/xds/go v0.0.0-20240905190251-b4127c9b8d78 // indirect
 	github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc // indirect
-	github.com/envoyproxy/go-control-plane v0.13.0 // indirect
+	github.com/envoyproxy/go-control-plane v0.13.1 // indirect
 	github.com/envoyproxy/protoc-gen-validate v1.1.0 // indirect
-	github.com/fatih/color v1.13.0 // indirect
+	github.com/fatih/color v1.14.1 // indirect
 	github.com/golang/protobuf v1.5.4 // indirect
-	github.com/google/btree v1.1.3 // indirect
+	github.com/google/go-cmp v0.6.0 // indirect
 	github.com/google/uuid v1.6.0 // indirect
 	github.com/hashicorp/errwrap v1.1.0 // indirect
 	github.com/hashicorp/go-hclog v1.5.0 // indirect
 	github.com/hashicorp/go-multierror v1.1.1 // indirect
 	github.com/hashicorp/go-plugin v1.6.0 // indirect
+	github.com/hashicorp/go-set/v3 v3.0.0 // indirect
 	github.com/hashicorp/go-uuid v1.0.3 // indirect
 	github.com/hashicorp/golang-lru/v2 v2.0.7 // indirect
-	github.com/hashicorp/terraform-plugin-go v0.23.0 // indirect
 	github.com/hashicorp/terraform-registry-address v0.2.3 // indirect
 	github.com/hashicorp/terraform-svchost v0.1.1 // indirect
 	github.com/hashicorp/yamux v0.1.1 // indirect
@@ -40,28 +43,33 @@ require (
 	github.com/libdns/libdns v0.2.2 // indirect
 	github.com/mattn/go-colorable v0.1.13 // indirect
 	github.com/mattn/go-isatty v0.0.20 // indirect
-	github.com/mholt/acmez/v2 v2.0.2 // indirect
+	github.com/mholt/acmez/v2 v2.0.3 // indirect
 	github.com/miekg/dns v1.1.62 // indirect
 	github.com/mitchellh/go-testing-interface v1.14.1 // indirect
 	github.com/oklog/run v1.0.0 // indirect
+	github.com/open-policy-agent/opa v0.70.0 // indirect
 	github.com/planetscale/vtprotobuf v0.6.1-0.20240319094008-0393e58bdf10 // indirect
 	github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2 // indirect
-	github.com/pomerium/pomerium v0.27.0 // indirect
+	github.com/pomerium/protoutil v0.0.0-20240813175624-47b7ac43ff46 // indirect
+	github.com/rcrowley/go-metrics v0.0.0-20201227073835-cf1acfcdf475 // indirect
 	github.com/vmihailenco/msgpack/v5 v5.4.1 // indirect
 	github.com/vmihailenco/tagparser/v2 v2.0.0 // indirect
+	github.com/xeipuuv/gojsonpointer v0.0.0-20190905194746-02993c407bfb // indirect
+	github.com/xeipuuv/gojsonreference v0.0.0-20180127040603-bd5ef7bd5415 // indirect
 	github.com/zeebo/blake3 v0.2.4 // indirect
 	go.uber.org/multierr v1.11.0 // indirect
 	go.uber.org/zap v1.27.0 // indirect
-	golang.org/x/crypto v0.27.0 // indirect
+	golang.org/x/crypto v0.31.0 // indirect
 	golang.org/x/exp v0.0.0-20240909161429-701f63a606c0 // indirect
 	golang.org/x/mod v0.21.0 // indirect
-	golang.org/x/net v0.29.0 // indirect
-	golang.org/x/sync v0.8.0 // indirect
-	golang.org/x/sys v0.25.0 // indirect
-	golang.org/x/text v0.18.0 // indirect
+	golang.org/x/net v0.31.0 // indirect
+	golang.org/x/sync v0.10.0 // indirect
+	golang.org/x/sys v0.28.0 // indirect
+	golang.org/x/text v0.21.0 // indirect
 	golang.org/x/tools v0.25.0 // indirect
-	google.golang.org/genproto/googleapis/api v0.0.0-20240903143218-8af14fe29dc1 // indirect
-	google.golang.org/genproto/googleapis/rpc v0.0.0-20240903143218-8af14fe29dc1 // indirect
-	google.golang.org/protobuf v1.34.2 // indirect
+	google.golang.org/genproto/googleapis/api v0.0.0-20241104194629-dd2ea8efbc28 // indirect
+	google.golang.org/genproto/googleapis/rpc v0.0.0-20241113202542-65e8d215514f // indirect
+	google.golang.org/protobuf v1.35.2 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
+	sigs.k8s.io/yaml v1.4.0 // indirect
 )