Fix inconsistent result error when using cockroach_version (#58)

examples/workflows/cockroach_dedicated_cluster/main.tf

@@ -81,8 +81,9 @@ provider "cockroach" {
 }
 
 resource "cockroach_cluster" "example" {
-  name           = var.cluster_name
-  cloud_provider = var.cloud_provider
+  name              = var.cluster_name
+  cloud_provider    = var.cloud_provider
+  cockroach_version = "v22.0"
   dedicated = {
     storage_gib  = var.storage_gib
     machine_type = var.machine_type

internal/provider/cluster_resource.go

@@ -20,6 +20,7 @@ import (
 	"context"
 	"fmt"
 	"net/http"
+	"regexp"
 	"sort"
 
 	"github.com/cockroachdb/cockroach-cloud-sdk-go/pkg/client"
@@ -470,6 +471,25 @@ func (r clusterResource) ImportState(ctx context.Context, req tfsdk.ImportResour
 	tfsdk.ResourceImportStatePassthroughID(ctx, tftypes.NewAttributePath().WithAttributeName("id"), req, resp)
 }
 
+// versionRE is the regexp that is used to verify that a version string is
+// of the form "vMAJOR.MINOR.PATCH[-PRERELEASE][+METADATA]". This
+// conforms to https://semver.org/spec/v2.0.0.html
+var versionRE = regexp.MustCompile(
+	`^v(0|[1-9][0-9]*)\.(0|[1-9][0-9]*)\.(0|[1-9][0-9]*)(-[0-9A-Za-z-.]+)?(\+[0-9A-Za-z-.]+|)?$`,
+	// ^major           ^minor           ^patch         ^preRelease       ^metadata
+)
+
+func simplifyClusterVersion(version string) string {
+	parts := versionRE.FindStringSubmatch(version)
+	if parts == nil {
+		return version
+	}
+	if parts[4] != "" {
+		return "preview"
+	}
+	return fmt.Sprintf("v%s.%s", parts[1], parts[2])
+}
+
 // Since the API response will always sort regions by name, we need to
 // resort the list, so it matches up with the plan. If the response and
 // plan regions don't match up, the sort won't work right, but we can
@@ -503,7 +523,7 @@ func loadClusterToTerraformState(clusterObj *client.Cluster, state *CockroachClu
 	state.ID = types.String{Value: clusterObj.Id}
 	state.Name = types.String{Value: clusterObj.Name}
 	state.CloudProvider = types.String{Value: string(clusterObj.CloudProvider)}
-	state.CockroachVersion = types.String{Value: clusterObj.CockroachVersion}
+	state.CockroachVersion = types.String{Value: simplifyClusterVersion(clusterObj.CockroachVersion)}
 	state.Plan = types.String{Value: string(clusterObj.Plan)}
 	if clusterObj.AccountId == nil {
 		state.AccountId.Null = true

internal/provider/cluster_resource_test.go

@@ -138,19 +138,19 @@ func TestIntegrationDedicatedClusterResource(t *testing.T) {
 		Name:             clusterName,
 		CockroachVersion: "v22.1.0",
 		Plan:             "DEDICATED",
-		CloudProvider:    "AWS",
+		CloudProvider:    "GCP",
 		State:            "CREATED",
 		Config: client.ClusterConfig{
 			Dedicated: &client.DedicatedHardwareConfig{
-				MachineType:    "m5.large",
+				MachineType:    "n1-standard-2",
 				NumVirtualCpus: 2,
 				StorageGib:     15,
 				MemoryGib:      8,
 			},
 		},
 		Regions: []client.Region{
 			{
-				Name:      "ap-south-1",
+				Name:      "us-central1",
 				NodeCount: 1,
 			},
 		},
@@ -235,13 +235,14 @@ func getTestDedicatedClusterResourceConfig(name string) string {
 	return fmt.Sprintf(`
 resource "cockroach_cluster" "dedicated" {
     name           = "%s"
-    cloud_provider = "AWS"
+    cloud_provider = "GCP"
+    cockroach_version = "v22.1"
     dedicated = {
 	  storage_gib = 15
-	  machine_type = "m5.large"
+	  machine_type = "n1-standard-2"
     }
 	regions = [{
-		name: "ap-south-1"
+		name: "us-central1"
 		node_count: 1
 	}]
 }