buildx: force ListWorker response for any environment

namespacelabs · Oct 12, 2023 · 3569e0a · 3569e0a
1 parent 2bbecf9
commit 3569e0a
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Showing 2 changed files with 76 additions and 8 deletions.
diff --git a/internal/cli/cmd/cluster/buildkit.go b/internal/cli/cmd/cluster/buildkit.go
@@ -152,17 +152,23 @@ func newBuildkitProxy() *cobra.Command {
 }
 
 func parseInjectWorkerInfo(workerInfoFile string, requiredPlatform api.BuildPlatform) (*controlapi.ListWorkersResponse, error) {
-	if workerInfoFile == "" {
-		return nil, nil
-	}
-
-	workerInfo, err := os.ReadFile(workerInfoFile)
-	if err != nil {
-		return nil, err
+	var workerDefData []byte
+	if workerInfoFile != "" {
+		workerInfo, err := os.ReadFile(workerInfoFile)
+		if err != nil {
+			return nil, err
+		}
+		workerDefData = workerInfo
+	} else {
+		// Settlemint uses the buildx also for local dev, but tenant token expires after 24h.
+		// API returns an authz error, but buildx does not show the error unless we unstuck it from its
+		// known bug where it block on ListWorkers buildkit API call for ever.
+		// So, embed the shortcut list worker payload:
+		workerDefData = []byte(staticWorkerDef)
 	}
 
 	f := &controlapi.ListWorkersResponse{}
-	if err := json.Unmarshal(workerInfo, f); err != nil {
+	if err := json.Unmarshal(workerDefData, f); err != nil {
 		return nil, err
 	}
 

diff --git a/internal/cli/cmd/cluster/buildx_workers_def.go b/internal/cli/cmd/cluster/buildx_workers_def.go
@@ -0,0 +1,62 @@
+package cluster
+
+const staticWorkerDef = `
+{
+	"record": [
+		{
+			"ID": "namespace-amd64-builder",
+			"Labels": {
+				"org.mobyproject.buildkit.worker.executor": "oci",
+				"org.mobyproject.buildkit.worker.hostname": "namespace-amd64-builder",
+				"org.mobyproject.buildkit.worker.network": "cni",
+				"org.mobyproject.buildkit.worker.oci.process-mode": "sandbox",
+				"org.mobyproject.buildkit.worker.selinux.enabled": "false",
+				"org.mobyproject.buildkit.worker.snapshotter": "overlayfs"
+			},
+			"platforms": [
+				{ "Architecture": "amd64", "OS": "linux" },
+				{ "Architecture": "amd64", "OS": "linux", "Variant": "v2" },
+				{ "Architecture": "amd64", "OS": "linux", "Variant": "v3" },
+				{ "Architecture": "amd64", "OS": "linux", "Variant": "v4" },
+				{ "Architecture": "386", "OS": "linux" }
+			],
+			"GCPolicy": [
+				{ "keepDuration": 604800000000000, "keepBytes": 32000000000 },
+				{ "keepBytes": 47000000000 },
+				{ "all": true, "keepBytes": 50000000000 }
+			],
+			"BuildkitVersion": {
+				"package": "github.com/moby/buildkit",
+				"version": "v0.12.0-namespace",
+				"revision": "latest"
+			}
+		},
+		{
+			"ID": "namespace-arm64-builder",
+			"Labels": {
+				"org.mobyproject.buildkit.worker.executor": "oci",
+				"org.mobyproject.buildkit.worker.hostname": "namespace-arm64-builder",
+				"org.mobyproject.buildkit.worker.network": "cni",
+				"org.mobyproject.buildkit.worker.oci.process-mode": "sandbox",
+				"org.mobyproject.buildkit.worker.selinux.enabled": "false",
+				"org.mobyproject.buildkit.worker.snapshotter": "overlayfs"
+			},
+			"platforms": [
+				{ "Architecture": "arm64", "OS": "linux" },
+				{ "Architecture": "arm64", "OS": "linux", "Variant": "v6" },
+				{ "Architecture": "arm64", "OS": "linux", "Variant": "v7" }
+			],
+			"GCPolicy": [
+				{ "keepDuration": 604800000000000, "keepBytes": 32000000000 },
+				{ "keepBytes": 47000000000 },
+				{ "all": true, "keepBytes": 50000000000 }
+			],
+			"BuildkitVersion": {
+				"package": "github.com/moby/buildkit",
+				"version": "v0.12.0-namespace",
+				"revision": "latest"
+			}
+		}
+	]
+}
+`