Add systemInfo data source

cyral/data_source_cyral_system_info.go

@@ -0,0 +1,62 @@
+package cyral
+
+import (
+	"fmt"
+	"net/http"
+
+	"github.com/cyralinc/terraform-provider-cyral/client"
+	"github.com/google/uuid"
+	"github.com/hashicorp/terraform-plugin-sdk/v2/helper/schema"
+)
+
+const (
+	// Schema keys
+	ControlPlaneVersionKey  = "control_plane_version"
+	SidecarLatestVersionKey = "sidecar_latest_version"
+)
+
+type SystemInfo struct {
+	ControlPlaneVersion  string `json:"controlPlaneVersion"`
+	SidecarLatestVersion string `json:"sidecarLatestVersion"`
+}
+
+func (systemInfo *SystemInfo) WriteToSchema(d *schema.ResourceData) error {
+	d.SetId(uuid.New().String())
+	d.Set(ControlPlaneVersionKey, systemInfo.ControlPlaneVersion)
+	d.Set(SidecarLatestVersionKey, systemInfo.SidecarLatestVersion)
+
+	return nil
+}
+
+func dataSourceSystemInfo() *schema.Resource {
+	return &schema.Resource{
+		Description: "Retrieve information from Cyral systems.",
+		ReadContext: ReadResource(ResourceOperationConfig{
+			Name:       "SystemInfoDataSourceRead",
+			HttpMethod: http.MethodGet,
+			CreateURL: func(d *schema.ResourceData, c *client.Client) string {
+				return fmt.Sprintf("https://%s/v1/systemInfo", c.ControlPlane)
+			},
+			NewResponseData: func(_ *schema.ResourceData) ResponseData {
+				return &SystemInfo{}
+			},
+		}),
+		Schema: map[string]*schema.Schema{
+			IDKey: {
+				Description: "The data source identifier.",
+				Type:        schema.TypeString,
+				Computed:    true,
+			},
+			ControlPlaneVersionKey: {
+				Description: "The Control Plane version.",
+				Type:        schema.TypeString,
+				Computed:    true,
+			},
+			SidecarLatestVersionKey: {
+				Description: "The latest Sidecar version available to this Control Plane.",
+				Type:        schema.TypeString,
+				Computed:    true,
+			},
+		},
+	}
+}

cyral/provider.go

@@ -84,6 +84,7 @@ func Provider() *schema.Provider {
 			"cyral_sidecar_id":           dataSourceSidecarID(),
 			"cyral_sidecar_instance_ids": dataSourceSidecarInstanceIDs(),
 			"cyral_sidecar_listener":     dataSourceSidecarListener(),
+			"cyral_system_info":          dataSourceSystemInfo(),
 		},
 
 		ResourcesMap: map[string]*schema.Resource{