fix: fix lintings (#58)

## Description

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In case there is no issue present for your PR, please consider creating one.
At least please give us some description what you are trying to achieve and why your change is needed. -->

relates to #1234

## Checklist

- [ ] Issue was linked above
- [ ] Code format was applied: `make fmt`
- [ ] Examples were added / adjusted (see `examples/` directory)
- [x] Docs are up-to-date: `make generate-docs` (will be checked by CI)
- [ ] Unit tests got implemented or updated
- [ ] Acceptance tests got implemented or updated (see e.g. [here](f5f99d1709/stackit/internal/services/dns/dns_acc_test.go))
- [x] Unit tests are passing: `make test` (will be checked by CI)
- [x] No linter issues: `make lint` (will be checked by CI)

Reviewed-on: #58
Co-authored-by: Marcel S. Henselin <marcel.henselin@stackit.cloud>
Co-committed-by: Marcel S. Henselin <marcel.henselin@stackit.cloud>

stackit/internal/services/postgresflexalpha/database/datasource.go

@@ -10,6 +10,7 @@ import (
 	"github.com/hashicorp/terraform-plugin-framework/diag"
 	"github.com/hashicorp/terraform-plugin-framework/types"
 	"github.com/hashicorp/terraform-plugin-log/tflog"
+
 	"tf-provider.git.onstackit.cloud/stackit-dev-tools/terraform-provider-stackitprivatepreview/stackit/internal/conversion"
 	"tf-provider.git.onstackit.cloud/stackit-dev-tools/terraform-provider-stackitprivatepreview/stackit/internal/core"
 	postgresflexalpha2 "tf-provider.git.onstackit.cloud/stackit-dev-tools/terraform-provider-stackitprivatepreview/stackit/internal/services/postgresflexalpha/database/datasources_gen"

stackit/internal/services/postgresflexalpha/database/functions_test.go

@@ -6,6 +6,7 @@ import (
 
 	"github.com/google/go-cmp/cmp"
 	"github.com/stackitcloud/stackit-sdk-go/core/utils"
+
 	postgresflex "tf-provider.git.onstackit.cloud/stackit-dev-tools/terraform-provider-stackitprivatepreview/pkg_gen/postgresflexalpha"
 )
 

stackit/internal/services/postgresflexalpha/database/mapper.go

@@ -5,6 +5,7 @@ import (
 	"strconv"
 
 	"github.com/hashicorp/terraform-plugin-framework/types"
+
 	"tf-provider.git.onstackit.cloud/stackit-dev-tools/terraform-provider-stackitprivatepreview/pkg_gen/postgresflexalpha"
 	"tf-provider.git.onstackit.cloud/stackit-dev-tools/terraform-provider-stackitprivatepreview/stackit/internal/utils"
 )

stackit/internal/services/postgresflexalpha/database/mapper_test.go

@@ -6,6 +6,7 @@ import (
 	"github.com/google/go-cmp/cmp"
 	"github.com/hashicorp/terraform-plugin-framework/types"
 	"github.com/stackitcloud/stackit-sdk-go/core/utils"
+
 	"tf-provider.git.onstackit.cloud/stackit-dev-tools/terraform-provider-stackitprivatepreview/pkg_gen/postgresflexalpha"
 	datasource "tf-provider.git.onstackit.cloud/stackit-dev-tools/terraform-provider-stackitprivatepreview/stackit/internal/services/postgresflexalpha/database/datasources_gen"
 )

stackit/internal/services/postgresflexalpha/database/resource.go

@@ -3,7 +3,6 @@ package postgresflexalpha
 import (
 	"context"
 	_ "embed"
-	"errors"
 	"fmt"
 	"math"
 	"strconv"
@@ -15,6 +14,7 @@ import (
 	"github.com/hashicorp/terraform-plugin-framework/resource/identityschema"
 	"github.com/hashicorp/terraform-plugin-framework/types"
 	"github.com/hashicorp/terraform-plugin-log/tflog"
+
 	"tf-provider.git.onstackit.cloud/stackit-dev-tools/terraform-provider-stackitprivatepreview/pkg_gen/postgresflexalpha"
 	"tf-provider.git.onstackit.cloud/stackit-dev-tools/terraform-provider-stackitprivatepreview/stackit/internal/conversion"
 	"tf-provider.git.onstackit.cloud/stackit-dev-tools/terraform-provider-stackitprivatepreview/stackit/internal/core"
@@ -32,9 +32,6 @@ var (
 	_ resource.ResourceWithModifyPlan  = &databaseResource{}
 	_ resource.ResourceWithIdentity    = &databaseResource{}
 
-	// Define errors
-	errDatabaseNotFound = errors.New("database not found")
-
 	// Error message constants
 	extractErrorSummary = "extracting failed"
 	extractErrorMessage = "Extracting identity data: %v"
@@ -171,6 +168,7 @@ func (r *databaseResource) Create(
 	req resource.CreateRequest,
 	resp *resource.CreateResponse,
 ) { // nolint:gocritic // function signature required by Terraform
+	const funcErrorSummary = "[database CREATE] error"
 	var model resourceModel
 	diags := req.Plan.Get(ctx, &model)
 	resp.Diagnostics.Append(diags...)
@@ -194,7 +192,7 @@ func (r *databaseResource) Create(
 		core.LogAndAddError(
 			ctx,
 			&resp.Diagnostics,
-			"Error creating database",
+			funcErrorSummary,
 			fmt.Sprintf("Creating API payload: %v", err),
 		)
 		return
@@ -207,7 +205,7 @@ func (r *databaseResource) Create(
 		instanceId,
 	).CreateDatabaseRequestPayload(*payload).Execute()
 	if err != nil {
-		core.LogAndAddError(ctx, &resp.Diagnostics, "Error creating database", fmt.Sprintf("Calling API: %v", err))
+		core.LogAndAddError(ctx, &resp.Diagnostics, funcErrorSummary, fmt.Sprintf("Calling API: %v", err))
 		return
 	}
 
@@ -215,7 +213,7 @@ func (r *databaseResource) Create(
 		core.LogAndAddError(
 			ctx,
 			&resp.Diagnostics,
-			"Error creating database",
+			funcErrorSummary,
 			"API didn't return database Id. A database might have been created",
 		)
 		return
@@ -244,7 +242,7 @@ func (r *databaseResource) Create(
 		core.LogAndAddError(
 			ctx,
 			&resp.Diagnostics,
-			"Error creating database",
+			funcErrorSummary,
 			fmt.Sprintf("Getting database details after creation: %v", err),
 		)
 		return
@@ -256,8 +254,8 @@ func (r *databaseResource) Create(
 		core.LogAndAddError(
 			ctx,
 			&resp.Diagnostics,
-			"Error creating database",
-			fmt.Sprintf("Processing API payload: %v", err),
+			funcErrorSummary,
+			fmt.Sprintf("map resource fields: %v", err),
 		)
 		return
 	}
@@ -392,7 +390,7 @@ func (r *databaseResource) Update(
 		core.LogAndAddError(ctx, &resp.Diagnostics, "Error in type conversion", "int value too large (databaseId)")
 		return
 	}
-	databaseId := int32(databaseId64)
+	databaseId := int32(databaseId64) // nolint:gosec // check is performed above
 
 	ctx = tflog.SetField(ctx, "project_id", projectId)
 	ctx = tflog.SetField(ctx, "instance_id", instanceId)
@@ -518,7 +516,7 @@ func (r *databaseResource) Delete(
 		core.LogAndAddError(ctx, &resp.Diagnostics, "Error in type conversion", "int value too large (databaseId)")
 		return
 	}
-	databaseId := int32(databaseId64)
+	databaseId := int32(databaseId64) // nolint:gosec // check is performed above
 	ctx = tflog.SetField(ctx, "project_id", projectId)
 	ctx = tflog.SetField(ctx, "instance_id", instanceId)
 	ctx = tflog.SetField(ctx, "region", region)