chore: remove require_ssl from examples (#673)

Co-authored-by: Imran Nayer <imrannayer@google.com>

Author: ckluente-1k5

examples/postgresql-with-cross-region-failover/main.tf

@@ -94,7 +94,7 @@ module "pg1" {
 
   ip_configuration = {
     ipv4_enabled       = false
-    require_ssl        = true
+    ssl_mode           = "ENCRYPTED_ONLY"
     private_network    = google_compute_network.default.self_link
     allocated_ip_range = null
     authorized_networks = [

modules/postgresql/README.md

@@ -39,7 +39,7 @@ module "pg" {
 
   ip_configuration = {
     ipv4_enabled       = true
-    require_ssl        = true
+    ssl_mode           = "ENCRYPTED_ONLY" // can also be ALLOW_UNENCRYPTED_AND_ENCRYPTED
     private_network    = null
     allocated_ip_range = null
     authorized_networks = [

test/integration/postgresql-with-cross-region-failover/postgresql_cross_region_failover_test.go

@@ -67,7 +67,7 @@ func TestPostgreSqlCrossRegionFailover(t *testing.T) {
 		// assert general database settings
 		assert.Equal("REGIONAL", op.Get("settings.availabilityType").String(), "Expected REGIONAL availabilityType")
 		assert.Equal("PD_SSD", op.Get("settings.dataDiskType").String(), "Expected PD_SSD dataDiskType")
-		assert.Equal("ALLOW_UNENCRYPTED_AND_ENCRYPTED", op.Get("settings.ipConfiguration.sslMode").String(), "Expected ssl_mode")
+		assert.Equal("ENCRYPTED_ONLY", op.Get("settings.ipConfiguration.sslMode").String(), "Expected ssl_mode")
 
 		// assert user labels
 		assert.JSONEq(`{"foo": "bar", "instance": "instance-1"}`, op.Get("settings.userLabels").Raw, `Expected {"foo": "bar", "instance": "instance-1"} userLabels`)
@@ -85,7 +85,7 @@ func TestPostgreSqlCrossRegionFailover(t *testing.T) {
 		assert.Equal(int64(365), op.Get("settings.backupConfiguration.backupRetentionSettings.retainedBackups").Int(), "Expected 365 backupConfigurationRetainedBackups")
 		assert.Equal("COUNT", op.Get("settings.backupConfiguration.backupRetentionSettings.retentionUnit").String(), "Expected COUNT backupConfigurationRetentionUnit")
 		assert.True(op.Get("settings.backupConfiguration.pointInTimeRecoveryEnabled").Bool(), "Expected TRUE")
-		assert.Equal("ALLOW_UNENCRYPTED_AND_ENCRYPTED", op.Get("settings.ipConfiguration.sslMode").String(), "Expected ssl_mode")
+		assert.Equal("ENCRYPTED_ONLY", op.Get("settings.ipConfiguration.sslMode").String(), "Expected ssl_mode")
 		assert.Equal("14", op.Get("settings.backupConfiguration.transactionLogRetentionDays").String(), "Expected transactionLogRetentionDays 14")
 
 		// assert Encryption configuration