fix: Refresh and destroy on DeploymentSettings fails with 404 if ther…

…e is an out of band deletion #146

provider/pkg/internal/pulumiapi/deployment_settings.go

@@ -2,7 +2,6 @@ package pulumiapi
 
 import (
 	"context"
-	"errors"
 	"fmt"
 	"net/http"
 	"path"
@@ -81,9 +80,11 @@ func (c *Client) GetDeploymentSettings(ctx context.Context, stack StackName) (*D
 	var ds DeploymentSettings
 	_, err := c.do(ctx, http.MethodGet, apiPath, nil, &ds)
 	if err != nil {
-		var errResp *errorResponse
-		if errors.As(err, &errResp) && errResp.StatusCode == http.StatusNotFound {
-			return nil, fmt.Errorf("deployment settings for stack (%s) not found", stack.String())
+		statusCode := GetErrorStatusCode(err)
+		if statusCode == http.StatusNotFound {
+			// Important: do now wrap this error so the provider knows to handle it as a
+			// deleted resource
+			return nil, err
 		}
 		return nil, fmt.Errorf("failed to get deployment settings for stack (%s): %w", stack.String(), err)
 	}

provider/pkg/internal/pulumiapi/error.go

@@ -4,7 +4,7 @@
 // you may not use this file except in compliance with the License.
 // You may obtain a copy of the License at
 //
-//     http://www.apache.org/licenses/LICENSE-2.0
+//	http://www.apache.org/licenses/LICENSE-2.0
 //
 // Unless required by applicable law or agreed to in writing, software
 // distributed under the License is distributed on an "AS IS" BASIS,
@@ -13,7 +13,10 @@
 // limitations under the License.
 package pulumiapi
 
-import "fmt"
+import (
+	"errors"
+	"fmt"
+)
 
 // errorResponse is returned from pulumi service api when there's been an error
 type errorResponse struct {
@@ -24,3 +27,11 @@ type errorResponse struct {
 func (err *errorResponse) Error() string {
 	return fmt.Sprintf("%d API error: %s", err.StatusCode, err.Message)
 }
+
+func GetErrorStatusCode(err error) int {
+	var errResp *errorResponse
+	if errors.As(err, &errResp) {
+		return errResp.StatusCode
+	}
+	return 0
+}

provider/pkg/internal/pulumiapi/teams.go

@@ -227,8 +227,8 @@ func (c *Client) updateTeamMembership(ctx context.Context, orgName, teamName, us
 func (c *Client) AddMemberToTeam(ctx context.Context, orgName, teamName, userName string) error {
 	err := c.updateTeamMembership(ctx, orgName, teamName, userName, "add")
 	if err != nil {
-		var errResp *errorResponse
-		if errors.As(err, &errResp) && errResp.StatusCode == http.StatusConflict {
+		statusCode := GetErrorStatusCode(err)
+		if statusCode == http.StatusConflict {
 			// ignore 409 since that means the team member is already added
 			return nil
 		}

provider/pkg/provider/deployment_settings.go

@@ -3,6 +3,7 @@ package provider
 import (
 	"context"
 	"fmt"
+	"net/http"
 	"path"
 
 	pbempty "github.com/golang/protobuf/ptypes/empty"
@@ -529,7 +530,15 @@ func (ds *PulumiServiceDeploymentSettingsResource) Read(req *pulumirpc.ReadReque
 	}
 	settings, err := ds.client.GetDeploymentSettings(ctx, stack)
 	if err != nil {
+		statusCode := pulumiapi.GetErrorStatusCode(err)
+		if statusCode == http.StatusNotFound {
+			// deleteResponse causes the resource to be deleted from the state.
+			var deleteResponse = &pulumirpc.ReadResponse{Id: "", Properties: nil}
+			// If it's a 404 error, this resource was probably deleted.
+			return deleteResponse, nil
+		}
 		return nil, err
+
 	}
 
 	dsInput := PulumiServiceDeploymentSettingsInput{