feat(capability): add release scoped shadow bindings

2026-08-31 16:28:57 +03:00
parent d1710907ec
commit dec19e873d
36 changed files with 1078 additions and 50 deletions
@@ -0,0 +1,41 @@
+package main
+
+import (
+	"fmt"
+	"os"
+
+	"git.cin.su/m/Assistant/contracts/capability"
+	"git.cin.su/m/Assistant/contracts/identity"
+)
+
+// candidateReleaseContextFromRuntime accepts only deployment-owned metadata.
+// It never derives a candidate slot from an HTTP request or notification body.
+func candidateReleaseContextFromRuntime() (*capability.CandidateReleaseContext, error) {
+	const prefix = "CANDIDATE_"
+	release := os.Getenv(prefix + "RELEASE_SET_ID")
+	if release == "" {
+		return nil, nil
+	}
+	context := &capability.CandidateReleaseContext{
+		ReleaseSetID:     release,
+		Slot:             os.Getenv(prefix + "SLOT"),
+		TaskID:           os.Getenv(prefix + "TASK_ID"),
+		PrincipalID:      identity.PrincipalID(os.Getenv(prefix + "PRINCIPAL_ID")),
+		CapabilityID:     capability.CapabilityID(os.Getenv(prefix + "CAPABILITY_ID")),
+		ResourceScope:    os.Getenv(prefix + "RESOURCE_SCOPE"),
+		Mode:             capability.CandidateBindingMode(os.Getenv(prefix + "BINDING_MODE")),
+		TargetKind:       os.Getenv(prefix + "TARGET_KIND"),
+		TargetRef:        os.Getenv(prefix + "TARGET_REF"),
+		TargetDigest:     os.Getenv(prefix + "TARGET_DIGEST"),
+		AuthorityGrantID: os.Getenv(prefix + "AUTHORITY_GRANT_ID"),
+	}
+	var revision int64
+	if _, err := fmt.Sscan(os.Getenv(prefix+"TASK_REVISION"), &revision); err != nil {
+		return nil, fmt.Errorf("candidate task revision: %w", err)
+	}
+	context.TaskRevision = revision
+	if context.Slot == "" || context.TaskID == "" || context.TaskRevision < 1 || context.PrincipalID == "" || context.CapabilityID == "" || context.ResourceScope == "" || context.Mode == "" || context.TargetKind == "" || context.TargetRef == "" || context.TargetDigest == "" || context.AuthorityGrantID == "" {
+		return nil, fmt.Errorf("incomplete candidate release metadata")
+	}
+	return context, nil
+}