Added custom_metadata support to custom hostnames

[vasilzhigilei]

Only supports string values. For mixing types, having lists, nexted maps, etc. the API or cloudflare-go SDK would have to be used.

[github-actions]

changelog detected ✅

[jacobbednarz]

acceptance tests all good

TF_ACC=1 go test $(go list ./...) -v -run "^TestAccCloudflareCustomHostname_" -count 1 -parallel 1 -timeout 120m -parallel 1
?   	github.com/cloudflare/terraform-provider-cloudflare	[no test files]
=== RUN   TestAccCloudflareCustomHostname_Basic
=== PAUSE TestAccCloudflareCustomHostname_Basic
=== RUN   TestAccCloudflareCustomHostname_WaitForActive
=== PAUSE TestAccCloudflareCustomHostname_WaitForActive
=== RUN   TestAccCloudflareCustomHostname_WithCustomOriginServer
=== PAUSE TestAccCloudflareCustomHostname_WithCustomOriginServer
=== RUN   TestAccCloudflareCustomHostname_WithHTTPValidation
=== PAUSE TestAccCloudflareCustomHostname_WithHTTPValidation
=== RUN   TestAccCloudflareCustomHostname_WithCustomSSLSettings
=== PAUSE TestAccCloudflareCustomHostname_WithCustomSSLSettings
=== RUN   TestAccCloudflareCustomHostname_Update
=== PAUSE TestAccCloudflareCustomHostname_Update
=== RUN   TestAccCloudflareCustomHostname_WithNoSSL
=== PAUSE TestAccCloudflareCustomHostname_WithNoSSL
=== RUN   TestAccCloudflareCustomHostname_UpdatingZoneForcesNewResource
=== PAUSE TestAccCloudflareCustomHostname_UpdatingZoneForcesNewResource
=== RUN   TestAccCloudflareCustomHostname_Import
=== PAUSE TestAccCloudflareCustomHostname_Import
=== RUN   TestAccCloudflareCustomHostname_WithCustomMetadata
=== PAUSE TestAccCloudflareCustomHostname_WithCustomMetadata
=== CONT  TestAccCloudflareCustomHostname_Basic
--- PASS: TestAccCloudflareCustomHostname_Basic (3.52s)
=== CONT  TestAccCloudflareCustomHostname_Update
--- PASS: TestAccCloudflareCustomHostname_Update (5.53s)
=== CONT  TestAccCloudflareCustomHostname_WithCustomMetadata
--- PASS: TestAccCloudflareCustomHostname_WithCustomMetadata (3.20s)
=== CONT  TestAccCloudflareCustomHostname_Import
--- PASS: TestAccCloudflareCustomHostname_Import (3.40s)
=== CONT  TestAccCloudflareCustomHostname_UpdatingZoneForcesNewResource
--- PASS: TestAccCloudflareCustomHostname_UpdatingZoneForcesNewResource (7.64s)
=== CONT  TestAccCloudflareCustomHostname_WithNoSSL
--- PASS: TestAccCloudflareCustomHostname_WithNoSSL (2.77s)
=== CONT  TestAccCloudflareCustomHostname_WithHTTPValidation
--- PASS: TestAccCloudflareCustomHostname_WithHTTPValidation (2.76s)
=== CONT  TestAccCloudflareCustomHostname_WithCustomSSLSettings
--- PASS: TestAccCloudflareCustomHostname_WithCustomSSLSettings (2.91s)
=== CONT  TestAccCloudflareCustomHostname_WithCustomOriginServer
--- PASS: TestAccCloudflareCustomHostname_WithCustomOriginServer (3.87s)
=== CONT  TestAccCloudflareCustomHostname_WaitForActive
--- PASS: TestAccCloudflareCustomHostname_WaitForActive (4.06s)
PASS
ok  	github.com/cloudflare/terraform-provider-cloudflare/internal/provider	39.970s

[github-actions]

This functionality has been released in v3.31.0 of the Terraform Cloudflare Provider.

Please see the Terraform documentation on provider versioning or reach out if you need any assistance upgrading.

For further feature requests or bug reports with this functionality, please create a new GitHub issue following the template. Thank you!