feat: Added Several Datasources Part 2

examples/data-sources/snowflake_external_functions/data-source.tf

@@ -0,0 +1,4 @@
+data "snowflake_external_functions" "current" {
+    database = "MYDB"
+    schema   = "MYSCHEMA"
+}

examples/data-sources/snowflake_external_tables/data-source.tf

@@ -0,0 +1,4 @@
+data "snowflake_external_tables" "current" {
+    database = "MYDB"
+    schema   = "MYSCHEMA"
+}

examples/data-sources/snowflake_file_formats/data-source.tf

@@ -0,0 +1,4 @@
+data "snowflake_file_formats" "current" {
+    database = "MYDB"
+    schema   = "MYSCHEMA"
+}

examples/data-sources/snowflake_masking_policies/data-source.tf

@@ -0,0 +1,4 @@
+data "snowflake_masking_policies" "current" {
+    database = "MYDB"
+    schema   = "MYSCHEMA"
+}

examples/data-sources/snowflake_pipes/data-source.tf

@@ -0,0 +1,4 @@
+data "snowflake_pipes" "current" {
+    database = "MYDB"
+    schema   = "MYSCHEMA"
+}

examples/data-sources/snowflake_resource_monitors/data-source.tf

@@ -0,0 +1,2 @@
+data "snowflake_resource_monitors" "current" {
+}

examples/data-sources/snowflake_sequences/data-source.tf

@@ -0,0 +1,4 @@
+data "snowflake_sequences" "current" {
+    database = "MYDB"
+    schema   = "MYSCHEMA"
+}

examples/data-sources/snowflake_stages/data-source.tf

@@ -0,0 +1,4 @@
+data "snowflake_stages" "current" {
+    database = "MYDB"
+    schema   = "MYSCHEMA"
+}

examples/data-sources/snowflake_storage_integrations/data-source.tf

@@ -0,0 +1,2 @@
+data "snowflake_storage_integrations" "current" {
+}

examples/data-sources/snowflake_streams/data-source.tf

@@ -0,0 +1,4 @@
+data "snowflake_streams" "current" {
+    database = "MYDB"
+    schema   = "MYSCHEMA"
+}

examples/data-sources/snowflake_tasks/data-source.tf

@@ -0,0 +1,4 @@
+data "snowflake_tasks" "current" {
+    database = "MYDB"
+    schema   = "MYSCHEMA"
+}

examples/data-sources/snowflake_warehouses/data-source.tf

@@ -0,0 +1,2 @@
+data "snowflake_warehouses" "current" {
+}

pkg/datasources/external_functions.go

@@ -0,0 +1,96 @@
+package datasources
+
+import (
+	"database/sql"
+	"fmt"
+	"log"
+
+	"github.com/chanzuckerberg/terraform-provider-snowflake/pkg/snowflake"
+	"github.com/hashicorp/terraform-plugin-sdk/v2/helper/schema"
+)
+
+var externalFunctionsSchema = map[string]*schema.Schema{
+	"database": {
+		Type:        schema.TypeString,
+		Required:    true,
+		Description: "The database from which to return the schemas from.",
+	},
+	"schema": {
+		Type:        schema.TypeString,
+		Required:    true,
+		Description: "The schema from which to return the external functions from.",
+	},
+	"external_functions": {
+		Type:        schema.TypeList,
+		Computed:    true,
+		Description: "The external functions in the schema",
+		Elem: &schema.Resource{
+			Schema: map[string]*schema.Schema{
+				"name": {
+					Type:     schema.TypeString,
+					Computed: true,
+				},
+				"database": {
+					Type:     schema.TypeString,
+					Computed: true,
+				},
+				"schema": {
+					Type:     schema.TypeString,
+					Computed: true,
+				},
+				"comment": {
+					Type:     schema.TypeString,
+					Optional: true,
+					Computed: true,
+				},
+				"language": {
+					Type:     schema.TypeString,
+					Optional: true,
+					Computed: true,
+				},
+			},
+		},
+	},
+}
+
+func ExternalFunctions() *schema.Resource {
+	return &schema.Resource{
+		Read:   ReadExternalFunctions,
+		Schema: externalFunctionsSchema,
+	}
+}
+
+func ReadExternalFunctions(d *schema.ResourceData, meta interface{}) error {
+	db := meta.(*sql.DB)
+	databaseName := d.Get("database").(string)
+	schemaName := d.Get("schema").(string)
+
+	currentExternalFunctions, err := snowflake.ListExternalFunctions(databaseName, schemaName, db)
+	if err == sql.ErrNoRows {
+		// If not found, mark resource to be removed from statefile during apply or refresh
+		log.Printf("[DEBUG] external functions in schema (%s) not found", d.Id())
+		d.SetId("")
+		return nil
+	} else if err != nil {
+		log.Printf("[DEBUG] unable to parse external functions in schema (%s)", d.Id())
+		d.SetId("")
+		return nil
+	}
+
+	externalFunctions := []map[string]interface{}{}
+
+	for _, externalFunction := range currentExternalFunctions {
+		externalFunctionMap := map[string]interface{}{}
+
+		externalFunctionMap["name"] = externalFunction.ExternalFunctionName.String
+		externalFunctionMap["database"] = externalFunction.DatabaseName.String
+		externalFunctionMap["schema"] = externalFunction.SchemaName.String
+		externalFunctionMap["comment"] = externalFunction.Comment.String
+		externalFunctionMap["language"] = externalFunction.Language.String
+
+		externalFunctions = append(externalFunctions, externalFunctionMap)
+	}
+
+	d.SetId(fmt.Sprintf(`%v|%v`, databaseName, schemaName))
+	return d.Set("external_functions", externalFunctions)
+}

pkg/datasources/external_functions_acceptance_test.go

@@ -0,0 +1,79 @@
+package datasources_test
+
+import (
+	"fmt"
+	"strings"
+	"testing"
+
+	"github.com/hashicorp/terraform-plugin-sdk/v2/helper/acctest"
+	"github.com/hashicorp/terraform-plugin-sdk/v2/helper/resource"
+)
+
+func TestAccExternalFunctions(t *testing.T) {
+	databaseName := strings.ToUpper(acctest.RandStringFromCharSet(10, acctest.CharSetAlpha))
+	schemaName := strings.ToUpper(acctest.RandStringFromCharSet(10, acctest.CharSetAlpha))
+	apiName := strings.ToUpper(acctest.RandStringFromCharSet(10, acctest.CharSetAlpha))
+	externalFunctionName := strings.ToUpper(acctest.RandStringFromCharSet(10, acctest.CharSetAlpha))
+	resource.ParallelTest(t, resource.TestCase{
+		Providers: providers(),
+		Steps: []resource.TestStep{
+			{
+				Config: externalFunctions(databaseName, schemaName, apiName, externalFunctionName),
+				Check: resource.ComposeTestCheckFunc(
+					resource.TestCheckResourceAttr("data.snowflake_external_functions.t", "database", databaseName),
+					resource.TestCheckResourceAttr("data.snowflake_external_functions.t", "schema", schemaName),
+					resource.TestCheckResourceAttrSet("data.snowflake_external_functions.t", "external_functions.#"),
+					resource.TestCheckResourceAttr("data.snowflake_external_functions.t", "external_functions.#", "1"),
+					resource.TestCheckResourceAttr("data.snowflake_external_functions.t", "external_functions.0.name", externalFunctionName),
+				),
+			},
+		},
+	})
+}
+
+func externalFunctions(databaseName string, schemaName string, apiName string, externalFunctionName string) string {
+	return fmt.Sprintf(`
+
+	resource snowflake_database "test_database" {
+		name = "%v"
+	}
+
+	resource snowflake_schema "test_schema"{
+		name 	 = "%v"
+		database = snowflake_database.test_database.name
+	}
+
+	resource "snowflake_api_integration" "test_api_int" {
+		name = "%v"
+		api_provider = "aws_api_gateway"
+		api_aws_role_arn = "arn:aws:iam::000000000001:/role/test"
+		api_allowed_prefixes = ["https://123456.execute-api.us-west-2.amazonaws.com/prod/"]
+		enabled = true
+	}
+
+	resource "snowflake_external_function" "test_func" {
+		name     = "%v"
+		database = snowflake_database.test_database.name
+		schema   = snowflake_schema.test_schema.name
+		arg {
+			name = "arg1"
+			type = "varchar"
+		}
+		arg {
+			name = "arg2"
+			type = "varchar"
+		}
+		comment = "Terraform acceptance test"
+		return_type = "varchar"
+		return_behavior = "IMMUTABLE"
+		api_integration = snowflake_api_integration.test_api_int.name
+		url_of_proxy_and_resource = "https://123456.execute-api.us-west-2.amazonaws.com/prod/test_func"
+	}
+
+	data snowflake_external_functions "t" {
+		database = snowflake_external_function.test_func.database
+		schema = snowflake_external_function.test_func.schema
+		depends_on = [snowflake_external_function.test_func]
+	}
+	`, databaseName, schemaName, apiName, externalFunctionName)
+}

pkg/datasources/external_tables.go

@@ -0,0 +1,90 @@
+package datasources
+
+import (
+	"database/sql"
+	"fmt"
+	"log"
+
+	"github.com/chanzuckerberg/terraform-provider-snowflake/pkg/snowflake"
+	"github.com/hashicorp/terraform-plugin-sdk/v2/helper/schema"
+)
+
+var externalTablesSchema = map[string]*schema.Schema{
+	"database": {
+		Type:        schema.TypeString,
+		Required:    true,
+		Description: "The database from which to return the schemas from.",
+	},
+	"schema": {
+		Type:        schema.TypeString,
+		Required:    true,
+		Description: "The schema from which to return the external tables from.",
+	},
+	"external_tables": {
+		Type:        schema.TypeList,
+		Computed:    true,
+		Description: "The external tables in the schema",
+		Elem: &schema.Resource{
+			Schema: map[string]*schema.Schema{
+				"name": {
+					Type:     schema.TypeString,
+					Computed: true,
+				},
+				"database": {
+					Type:     schema.TypeString,
+					Computed: true,
+				},
+				"schema": {
+					Type:     schema.TypeString,
+					Computed: true,
+				},
+				"comment": {
+					Type:     schema.TypeString,
+					Optional: true,
+					Computed: true,
+				},
+			},
+		},
+	},
+}
+
+func ExternalTables() *schema.Resource {
+	return &schema.Resource{
+		Read:   ReadExternalTables,
+		Schema: externalTablesSchema,
+	}
+}
+
+func ReadExternalTables(d *schema.ResourceData, meta interface{}) error {
+	db := meta.(*sql.DB)
+	databaseName := d.Get("database").(string)
+	schemaName := d.Get("schema").(string)
+
+	currentExternalTables, err := snowflake.ListExternalTables(databaseName, schemaName, db)
+	if err == sql.ErrNoRows {
+		// If not found, mark resource to be removed from statefile during apply or refresh
+		log.Printf("[DEBUG] external tables in schema (%s) not found", d.Id())
+		d.SetId("")
+		return nil
+	} else if err != nil {
+		log.Printf("[DEBUG] unable to parse external tables in schema (%s)", d.Id())
+		d.SetId("")
+		return nil
+	}
+
+	externalTables := []map[string]interface{}{}
+
+	for _, externalTable := range currentExternalTables {
+		externalTableMap := map[string]interface{}{}
+
+		externalTableMap["name"] = externalTable.ExternalTableName.String
+		externalTableMap["database"] = externalTable.DatabaseName.String
+		externalTableMap["schema"] = externalTable.SchemaName.String
+		externalTableMap["comment"] = externalTable.Comment.String
+
+		externalTables = append(externalTables, externalTableMap)
+	}
+
+	d.SetId(fmt.Sprintf(`%v|%v`, databaseName, schemaName))
+	return d.Set("external_tables", externalTables)
+}