fix reference for statefile field and unwrap errors (#278)

* fix reference for statefile field
* unwrap errors before checking status
Signed-off-by: Fabian Kammel <fk@edgeless.systems>

.github/actions/constellation_measure/action.yml

@@ -43,14 +43,14 @@ runs:
       run: |
         case $CSP in
           azure)
-            FIRST_NODE=$(jq -r ".azurebootstrappers | keys | first" constellation-state.json)
-            CONSTELL_IP=$(jq -r ".azurebootstrappers.\"${FIRST_NODE}\".PublicIP" constellation-state.json)
+            FIRST_NODE=$(jq -r ".azurecontrolplanes | keys | first" constellation-state.json)
+            CONSTELL_IP=$(jq -r ".azurecontrolplanes.\"${FIRST_NODE}\".PublicIP" constellation-state.json)
             pcr-reader --constell-ip ${CONSTELL_IP} -format yaml > measurements.yaml
             yq e 'del(.[0,6,10,11,12,13,14,15,16,17,18,19,20,21,22,23])' -i measurements.yaml
             ;;
           gcp)
-            FIRST_NODE=$(jq -r ".gcpbootstrappers | keys | first" constellation-state.json)
-            CONSTELL_IP=$(jq -r ".gcpbootstrappers.\"${FIRST_NODE}\".PublicIP" constellation-state.json)
+            FIRST_NODE=$(jq -r ".gcpcontrolplanes | keys | first" constellation-state.json)
+            CONSTELL_IP=$(jq -r ".gcpcontrolplanes.\"${FIRST_NODE}\".PublicIP" constellation-state.json)
             pcr-reader --constell-ip ${CONSTELL_IP} -format yaml > measurements.yaml
             yq e 'del(.[11,12,13,14,15,16,17,18,19,20,21,22,23])' -i measurements.yaml
             ;;

CHANGELOG.md

@@ -31,6 +31,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - User facing WireGuard VPN
 
 ### Fixed
+- Correctly wait for `bootstrapper` to come online in `constellation init`
 
 ### Security
 - Create Kubernetes CA signed kubelet certificates on activation.

internal/grpc/retry/retry.go

@@ -2,6 +2,7 @@ package retry
 
 import (
 	"context"
+	"errors"
 	"strings"
 	"time"
 
@@ -52,13 +53,25 @@ func (r *IntervalRetrier) Do(ctx context.Context) error {
 // serviceIsUnavailable checks if the error is a grpc status with code Unavailable.
 // In the special case of an authentication handshake failure, false is returned to prevent further retries.
 func (r *IntervalRetrier) serviceIsUnavailable(err error) bool {
-	statusErr, ok := status.FromError(err)
+	// taken from google.golang.org/grpc/status.FromError
+	var targetErr interface {
+		GRPCStatus() *status.Status
+		Error() string
+	}
+
+	if !errors.As(err, &targetErr) {
+		return false
+	}
+
+	statusErr, ok := status.FromError(targetErr)
 	if !ok {
 		return false
 	}
+
 	if statusErr.Code() != codes.Unavailable {
 		return false
 	}
+
 	// ideally we would check the error type directly, but grpc only provides a string
 	return !strings.HasPrefix(statusErr.Message(), `connection error: desc = "transport: authentication handshake failed`)
 }

internal/grpc/retry/retry_test.go

@@ -3,6 +3,7 @@ package retry
 import (
 	"context"
 	"errors"
+	"fmt"
 	"testing"
 	"time"
 
@@ -99,6 +100,13 @@ func TestServiceIsUnavailable(t *testing.T) {
 			err:             status.Error(codes.Unavailable, "error"),
 			wantUnavailable: true,
 		},
+		"wrapped error": {
+			err:             fmt.Errorf("some wrapping: %w", status.Error(codes.Unavailable, "error")),
+			wantUnavailable: true,
+		},
+		"code unknown": {
+			err: status.Error(codes.Unknown, "unknown"),
+		},
 	}
 
 	for name, tc := range testCases {