fix: Match all whitespace and non-whitespace for Pub/Sub subscription filter validation (#11676) (#8161)

[upstream:1f1fc6f3190c6c9345fa91c1db305a98fac7b357]

Signed-off-by: Modular Magician <[email protected]>

Author: modular-magician

Diff for: .changelog/11676.txt

@@ -0,0 +1,3 @@
+```release-note:bug
+pubsub: allowed `google_pubsub_subscription` `filter` field to contain line breaks
+```

Diff for: google-beta/services/pubsub/resource_pubsub_subscription.go

@@ -366,7 +366,7 @@ Example - "3.5s".`,
 				Type:         schema.TypeString,
 				Optional:     true,
 				ForceNew:     true,
-				ValidateFunc: verify.ValidateRegexp(`^.{0,256}$`),
+				ValidateFunc: verify.ValidateRegexp(`^[\s\S]{0,256}$`),
 				Description: `The subscription only delivers the messages that match the filter.
 Pub/Sub automatically acknowledges the messages that don't match the filter. You can filter messages
 by their attributes. The maximum length of a filter is 256 bytes. After creating the subscription,

Diff for: google-beta/services/pubsub/resource_pubsub_subscription_generated_test.go

@@ -139,6 +139,55 @@ resource "google_pubsub_subscription" "example" {
 `, context)
 }
 
+func TestAccPubsubSubscription_pubsubSubscriptionPullFilterExample(t *testing.T) {
+	t.Parallel()
+
+	context := map[string]interface{}{
+		"random_suffix": acctest.RandString(t, 10),
+	}
+
+	acctest.VcrTest(t, resource.TestCase{
+		PreCheck:                 func() { acctest.AccTestPreCheck(t) },
+		ProtoV5ProviderFactories: acctest.ProtoV5ProviderFactories(t),
+		CheckDestroy:             testAccCheckPubsubSubscriptionDestroyProducer(t),
+		Steps: []resource.TestStep{
+			{
+				Config: testAccPubsubSubscription_pubsubSubscriptionPullFilterExample(context),
+			},
+			{
+				ResourceName:            "google_pubsub_subscription.example",
+				ImportState:             true,
+				ImportStateVerify:       true,
+				ImportStateVerifyIgnore: []string{"labels", "terraform_labels", "topic"},
+			},
+		},
+	})
+}
+
+func testAccPubsubSubscription_pubsubSubscriptionPullFilterExample(context map[string]interface{}) string {
+	return acctest.Nprintf(`
+resource "google_pubsub_topic" "example" {
+  name = "tf-test-example-topic%{random_suffix}"
+}
+
+resource "google_pubsub_subscription" "example" {
+  name  = "tf-test-example-subscription%{random_suffix}"
+  topic = google_pubsub_topic.example.id
+
+  labels = {
+    foo = "bar"
+  }
+
+  filter = <<EOF
+    attributes.foo = "foo"
+    AND attributes.bar = "bar"
+  EOF
+
+  ack_deadline_seconds = 20
+}
+`, context)
+}
+
 func TestAccPubsubSubscription_pubsubSubscriptionDeadLetterExample(t *testing.T) {
 	t.Parallel()
 

Diff for: website/docs/r/pubsub_subscription.html.markdown

@@ -102,6 +102,35 @@ resource "google_pubsub_subscription" "example" {
   enable_message_ordering    = false
 }
 ```
+<div class = "oics-button" style="float: right; margin: 0 0 -15px">
+  <a href="https://console.cloud.google.com/cloudshell/open?cloudshell_git_repo=https%3A%2F%2Fgithub.jpy.wang%2Fterraform-google-modules%2Fdocs-examples.git&cloudshell_image=gcr.io%2Fcloudshell-images%2Fcloudshell%3Alatest&cloudshell_print=.%2Fmotd&cloudshell_tutorial=.%2Ftutorial.md&cloudshell_working_dir=pubsub_subscription_pull_filter&open_in_editor=main.tf" target="_blank">
+    <img alt="Open in Cloud Shell" src="//gstatic.com/cloudssh/images/open-btn.svg" style="max-height: 44px; margin: 32px auto; max-width: 100%;">
+  </a>
+</div>
+## Example Usage - Pubsub Subscription Pull Filter
+
+
+```hcl
+resource "google_pubsub_topic" "example" {
+  name = "example-topic"
+}
+
+resource "google_pubsub_subscription" "example" {
+  name  = "example-subscription"
+  topic = google_pubsub_topic.example.id
+
+  labels = {
+    foo = "bar"
+  }
+
+  filter = <<EOF
+    attributes.foo = "foo"
+    AND attributes.bar = "bar"
+  EOF
+
+  ack_deadline_seconds = 20
+}
+```
 <div class = "oics-button" style="float: right; margin: 0 0 -15px">
   <a href="https://console.cloud.google.com/cloudshell/open?cloudshell_git_repo=https%3A%2F%2Fgithub.jpy.wang%2Fterraform-google-modules%2Fdocs-examples.git&cloudshell_image=gcr.io%2Fcloudshell-images%2Fcloudshell%3Alatest&cloudshell_print=.%2Fmotd&cloudshell_tutorial=.%2Ftutorial.md&cloudshell_working_dir=pubsub_subscription_dead_letter&open_in_editor=main.tf" target="_blank">
     <img alt="Open in Cloud Shell" src="//gstatic.com/cloudssh/images/open-btn.svg" style="max-height: 44px; margin: 32px auto; max-width: 100%;">