dsh 0.2.0-rc.2: in-container update (experimental channel), path-agnostic compose, upstream patches adapted to 0.1.x/0.2.x

upstream/container/control-plane/services/outbound-proxy/lib/route-health.mjs

@@ -0,0 +1,38 @@
+import { PROXY_PORTS } from './contracts.mjs'
+
+function enabled(configuration, scope) {
+  if (!configuration.enabled) return false
+  if (scope === 'sharedDsh') return configuration.scopes.dshCore || configuration.scopes.dshPlugins
+  if (scope === 'modelApi') {
+    return configuration.modelApi.default.proxyEnabled
+      || Object.values(configuration.modelApi.providers).some(policy => policy.proxyEnabled)
+  }
+  return configuration.scopes[scope] === true
+}
+
+export class ProxyRouteHealth {
+  constructor() {
+    this.revision = null
+    this.routes = new Map()
+  }
+
+  observe(snapshot, scope, outcome) {
+    if (snapshot.revision !== this.revision) {
+      this.revision = snapshot.revision
+      this.routes.clear()
+    }
+    if (!['ready', 'degraded'].includes(outcome)) throw new TypeError('proxy route health outcome is invalid')
+    this.routes.set(scope, outcome)
+  }
+
+  status(snapshot) {
+    if (snapshot.revision !== this.revision) {
+      this.revision = snapshot.revision
+      this.routes.clear()
+    }
+    return Object.freeze(Object.fromEntries(Object.keys(PROXY_PORTS).map(scope => [
+      scope,
+      enabled(snapshot.configuration, scope) ? (this.routes.get(scope) ?? 'unknown') : 'direct',
+    ])))
+  }
+}