Add service principal and service principal key resource/data source

[dadgar]

🛠️ Description

Adds the following:

• A hcp_service_principal resource
• A hcp_service_principal data source
• A hcp_service_principal_key resource

🏗️ Acceptance tests

• Are there any feature flags that are required to use this functionality? No
• Have you added an acceptance test for the functionality being added? Yes
• Have you run the acceptance tests on this branch? Yes

Output from acceptance testing:

$ make testacc TESTARGS='-run="TestAccServicePrincipal"'
TF_ACC=1 go test ./internal/... -v -run="TestAccServicePrincipal" -timeout 360m -parallel=10
?       github.com/hashicorp/terraform-provider-hcp/internal/provider/acctest   [no test files]
testing: warning: no tests to run
PASS
ok      github.com/hashicorp/terraform-provider-hcp/internal/clients    0.518s [no tests to run]
testing: warning: no tests to run
PASS
ok      github.com/hashicorp/terraform-provider-hcp/internal/consul     0.693s [no tests to run]
testing: warning: no tests to run
PASS
ok      github.com/hashicorp/terraform-provider-hcp/internal/hcpvalidator       0.336s [no tests to run]
testing: warning: no tests to run
PASS
ok      github.com/hashicorp/terraform-provider-hcp/internal/input      0.440s [no tests to run]
testing: warning: no tests to run
PASS
ok      github.com/hashicorp/terraform-provider-hcp/internal/provider   0.390s [no tests to run]
=== RUN   TestAccServicePrincipalDataSource
--- PASS: TestAccServicePrincipalDataSource (10.28s)
=== RUN   TestAccServicePrincipalKeyResource
--- PASS: TestAccServicePrincipalKeyResource (34.70s)
=== RUN   TestAccServicePrincipalResource_Project
--- PASS: TestAccServicePrincipalResource_Project (17.94s)
=== RUN   TestAccServicePrincipalResource_ExplicitProject
--- PASS: TestAccServicePrincipalResource_ExplicitProject (9.59s)
=== RUN   TestAccServicePrincipalResource_Organization
--- PASS: TestAccServicePrincipalResource_Organization (10.80s)
PASS
ok      github.com/hashicorp/terraform-provider-hcp/internal/provider/iam       84.105s
testing: warning: no tests to run
PASS
ok      github.com/hashicorp/terraform-provider-hcp/internal/provider/resourcemanager   0.731s [no tests to run]
testing: warning: no tests to run
PASS
ok      github.com/hashicorp/terraform-provider-hcp/internal/providersdkv2      0.409s [no tests to run]

[hashicorp-cla]

All committers have signed the CLA.

[rselbach]

noice!