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schema.ResourceData.GetRaw<whatever>() not populated during provider configuration #1270

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gdavison opened this issue Nov 1, 2023 · 3 comments · Fixed by #1271
Closed

schema.ResourceData.GetRaw<whatever>() not populated during provider configuration #1270

gdavison opened this issue Nov 1, 2023 · 3 comments · Fixed by #1271
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@bflad
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bug Something isn't working
Milestone
v2.30.0

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@gdavison
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gdavison commented Nov 1, 2023

SDK version

github.com/hashicorp/terraform-plugin-sdk/v2 v2.29.0

Relevant provider source code

provider.ConfigureContextFunc = func(ctx context.Context, d *schema.ResourceData) (interface{}, diag.Diagnostics) {
  	// ...
  	rawConfig := d.GetRawConfig()
	if rawConfig.IsKnown() {
		if rawConfig.IsNull() {
			fmt.Println("null config")
		}
	}

	rawPlan := d.GetRawPlan()
	if rawPlan.IsKnown() {
		if rawPlan.IsNull() {
			fmt.Println("null plan")
		}
	}

	rawState := d.GetRawState()
	if rawState.IsKnown() {
		if rawState.IsNull() {
			fmt.Println("null state")
		}
	}

}

Expected Behavior

The use case for using the Raw functions is to allow an empty string parameter in provider configs. To allow fallback behaviour to prevent a breaking change.

The traditional d.Get, d.GetOk, and d.GetOkExists functions do not make a distinction between an empty string and the value not being set.

Actual Behavior

The cty.Values returned by the GetRaw<whatever> functions are all Null
@gdavison gdavison added the bug Something isn't working label Nov 1, 2023
@bflad bflad self-assigned this Nov 1, 2023
@bflad
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bflad commented Nov 1, 2023

Looks like this RPC was never setup for those GetRaw* methods when that was originally added. Taking a quick peek it looks like it should be feasible, but it might be a little awkward implementation-wise in the SDK code.

bflad added a commit that referenced this issue Nov 2, 2023
@bflad
helper/schema: Ensure (ResourceData).GetRawConfig() is populated in p…
68a4c85 
…rovider Configure functions

Reference: #1270

This change is intended to be as targeted as possible to prevent other unintended changes. In other RPCs, the protocol configuration data is able to be set upfront via `terraform.InstanceState`, however for provider configuration it is still using the legacy `terraform.ResourceConfig` value which previously did not have the same data field. This adds the data field while trying to be pragmatic about potentially breaking compatibility with the unfortunately exported APIs in this SDK.

New test failures prior to updating logic:

```
--- FAIL: TestProviderConfigure (0.00s)
    --- FAIL: TestProviderConfigure/ConfigureContextFunc-GetRawConfig (0.00s)
        /Users/bflad/src/github.com/hashicorp/terraform-plugin-sdk/helper/schema/provider_test.go:338: Unexpected diagnostics (-wanted +got):   diag.Diagnostics(
            - 	nil,
            + 	{{Summary: "unexpected GetRawConfig difference: expected: {{{{} map[test:{{{"...}},
              )
    --- FAIL: TestProviderConfigure/ConfigureFunc-GetRawConfig (0.00s)
        /Users/bflad/src/github.com/hashicorp/terraform-plugin-sdk/helper/schema/provider_test.go:338: Unexpected diagnostics (-wanted +got):   diag.Diagnostics(
            - 	nil,
            + 	{{Summary: "unexpected GetRawConfig difference: expected: {{{{} map[test:{{{"...}},
              )

--- FAIL: TestGRPCProviderServerConfigureProvider (0.00s)
    --- FAIL: TestGRPCProviderServerConfigureProvider/ConfigureContextFunc-GetRawConfig (0.00s)
        /Users/bflad/src/github.com/hashicorp/terraform-plugin-sdk/helper/schema/grpc_provider_test.go:343: unexpected difference:   &tfprotov5.ConfigureProviderResponse{
            - 	Diagnostics: []*tfprotov5.Diagnostic{
            - 		&{
            - 			Severity: s"ERROR",
            - 			Summary:  "unexpected difference: expected: {{{{} map[test:{{{} %!s(cty.pri"...,
            - 		},
            - 	},
            + 	Diagnostics: nil,
              }
    --- FAIL: TestGRPCProviderServerConfigureProvider/ConfigureFunc-GetRawConfig (0.00s)
        /Users/bflad/src/github.com/hashicorp/terraform-plugin-sdk/helper/schema/grpc_provider_test.go:343: unexpected difference:   &tfprotov5.ConfigureProviderResponse{
            - 	Diagnostics: []*tfprotov5.Diagnostic{
            - 		&{
            - 			Severity: s"ERROR",
            - 			Summary:  "unexpected difference: expected: {{{{} map[test:{{{} %!s(cty.pri"...,
            - 		},
            - 	},
            + 	Diagnostics: nil,
              }
```
@bflad bflad mentioned this issue Nov 2, 2023
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@bflad
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bflad commented Nov 2, 2023

Proposed fix: #1271 -- please give that a try and let us know if it resolves this issue. If so, we'll cut a bug fix release with it. Thanks!

@bflad bflad added this to the v2.30.0 milestone Nov 2, 2023
bflad added a commit that referenced this issue Nov 9, 2023
@bflad
helper/schema: Ensure (ResourceData).GetRawConfig() is populated in p…
8130d59 
…rovider Configure functions (#1271)

Reference: #1270

This change is intended to be as targeted as possible to prevent other unintended changes. In other RPCs, the protocol configuration data is able to be set upfront via `terraform.InstanceState`, however for provider configuration it is still using the legacy `terraform.ResourceConfig` value which previously did not have the same data field. This adds the data field while trying to be pragmatic about potentially breaking compatibility with the unfortunately exported APIs in this SDK.

New test failures prior to updating logic:

```
--- FAIL: TestProviderConfigure (0.00s)
    --- FAIL: TestProviderConfigure/ConfigureContextFunc-GetRawConfig (0.00s)
        /Users/bflad/src/github.com/hashicorp/terraform-plugin-sdk/helper/schema/provider_test.go:338: Unexpected diagnostics (-wanted +got):   diag.Diagnostics(
            - 	nil,
            + 	{{Summary: "unexpected GetRawConfig difference: expected: {{{{} map[test:{{{"...}},
              )
    --- FAIL: TestProviderConfigure/ConfigureFunc-GetRawConfig (0.00s)
        /Users/bflad/src/github.com/hashicorp/terraform-plugin-sdk/helper/schema/provider_test.go:338: Unexpected diagnostics (-wanted +got):   diag.Diagnostics(
            - 	nil,
            + 	{{Summary: "unexpected GetRawConfig difference: expected: {{{{} map[test:{{{"...}},
              )

--- FAIL: TestGRPCProviderServerConfigureProvider (0.00s)
    --- FAIL: TestGRPCProviderServerConfigureProvider/ConfigureContextFunc-GetRawConfig (0.00s)
        /Users/bflad/src/github.com/hashicorp/terraform-plugin-sdk/helper/schema/grpc_provider_test.go:343: unexpected difference:   &tfprotov5.ConfigureProviderResponse{
            - 	Diagnostics: []*tfprotov5.Diagnostic{
            - 		&{
            - 			Severity: s"ERROR",
            - 			Summary:  "unexpected difference: expected: {{{{} map[test:{{{} %!s(cty.pri"...,
            - 		},
            - 	},
            + 	Diagnostics: nil,
              }
    --- FAIL: TestGRPCProviderServerConfigureProvider/ConfigureFunc-GetRawConfig (0.00s)
        /Users/bflad/src/github.com/hashicorp/terraform-plugin-sdk/helper/schema/grpc_provider_test.go:343: unexpected difference:   &tfprotov5.ConfigureProviderResponse{
            - 	Diagnostics: []*tfprotov5.Diagnostic{
            - 		&{
            - 			Severity: s"ERROR",
            - 			Summary:  "unexpected difference: expected: {{{{} map[test:{{{} %!s(cty.pri"...,
            - 		},
            - 	},
            + 	Diagnostics: nil,
              }
```

This change also fixes `GetOkExists()` handling for provider configuration.

Updated tests prior to logic updates:

```
--- FAIL: TestProviderConfigure (0.00s)
    --- FAIL: TestProviderConfigure/ConfigureContextFunc-GetOkExists-zero-value (0.00s)
        /Users/bflad/src/github.com/hashicorp/terraform-plugin-sdk/helper/schema/provider_test.go:924: Unexpected diagnostics (-wanted +got):   diag.Diagnostics(
            - 	nil,
            + 	{{Summary: "unexpected GetOkExists difference: expected: false, got: true"}},
              )
    --- FAIL: TestProviderConfigure/ConfigureFunc-GetOkExists-zero-value (0.00s)
        /Users/bflad/src/github.com/hashicorp/terraform-plugin-sdk/helper/schema/provider_test.go:924: Unexpected diagnostics (-wanted +got):   diag.Diagnostics(
            - 	nil,
            + 	{{Summary: "unexpected GetOkExists difference: expected: false, got: true"}},
              )
```
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@bflad @gdavison