Add nativelink-bridge

This is a fast prototype for subscribing to
the redis/dragonflydb "build_events" channel and
decode them properly via protobuf and send them
via websocket to the browser.

It's a plain prototype without
any error handling and
formatting on the browser

nativelink-config/examples/basic_cas_test_conf.json

@@ -0,0 +1,178 @@
+{
+  "stores": {
+    "AC_MAIN_STORE": {
+      "filesystem": {
+        "content_path": "/tmp/nativelink/data-worker-test/content_path-ac",
+        "temp_path": "/tmp/nativelink/data-worker-test/tmp_path-ac",
+        "eviction_policy": {
+          "max_bytes": 100000000000
+        }
+      }
+    },
+    "BEP_STORE": {
+
+      "redis_store": {
+        "addresses": [
+          "redis://@localhost:6379/0"
+        ],
+        "response_timeout_s": 42,
+        "connection_timeout_s": 42,
+        "experimental_pub_sub_channel": "build_event",
+        "key_prefix": "nativelink.",
+        "mode": "standard"
+      }
+    },
+    "WORKER_FAST_SLOW_STORE": {
+      "fast_slow": {
+        "fast": {
+          "filesystem": {
+            "content_path": "/tmp/nativelink/data-worker-test/content_path-cas",
+            "temp_path": "/tmp/nativelink/data-worker-test/tmp_path-cas",
+            "eviction_policy": {
+              "max_bytes": 100000000000
+            }
+          }
+        },
+        "slow": {
+          "noop": {}
+        }
+      }
+    }
+  },
+  "schedulers": {
+    "MAIN_SCHEDULER": {
+      "simple": {
+        "supported_platform_properties": {
+          "cpu_count": "minimum",
+          "memory_kb": "minimum",
+          "network_kbps": "minimum",
+          "disk_read_iops": "minimum",
+          "disk_read_bps": "minimum",
+          "disk_write_iops": "minimum",
+          "disk_write_bps": "minimum",
+          "shm_size": "minimum",
+          "gpu_count": "minimum",
+          "gpu_model": "exact",
+          "cpu_vendor": "exact",
+          "cpu_arch": "exact",
+          "cpu_model": "exact",
+          "kernel_version": "exact",
+          "OSFamily": "priority",
+          "container-image": "priority"
+        }
+      }
+    }
+  },
+  "workers": [
+    {
+      "local": {
+        "worker_api_endpoint": {
+          "uri": "grpc://127.0.0.1:50061"
+        },
+        "cas_fast_slow_store": "WORKER_FAST_SLOW_STORE",
+        "upload_action_result": {
+          "ac_store": "AC_MAIN_STORE"
+        },
+        "work_directory": "/tmp/nativelink/work",
+        "platform_properties": {
+          "cpu_count": {
+            "values": [
+              "16"
+            ]
+          },
+          "memory_kb": {
+            "values": [
+              "500000"
+            ]
+          },
+          "network_kbps": {
+            "values": [
+              "100000"
+            ]
+          },
+          "cpu_arch": {
+            "values": [
+              "x86_64"
+            ]
+          },
+          "OSFamily": {
+            "values": [
+              ""
+            ]
+          },
+          "container-image": {
+            "values": [
+              ""
+            ]
+          }
+        }
+      }
+    }
+  ],
+  "servers": [
+    {
+      "name": "public",
+      "listener": {
+        "http": {
+          "socket_address": "0.0.0.0:50051"
+        }
+      },
+      "services": {
+        "cas": {
+          "main": {
+            "cas_store": "WORKER_FAST_SLOW_STORE"
+          }
+        },
+        "ac": {
+          "main": {
+            "ac_store": "AC_MAIN_STORE"
+          }
+        },
+        "execution": {
+          "main": {
+            "cas_store": "WORKER_FAST_SLOW_STORE",
+            "scheduler": "MAIN_SCHEDULER"
+          }
+        },
+        "capabilities": {
+          "main": {
+            "remote_execution": {
+              "scheduler": "MAIN_SCHEDULER"
+            }
+          }
+        },
+        "bytestream": {
+          "cas_stores": {
+            "main": "WORKER_FAST_SLOW_STORE"
+          }
+        }
+      }
+    },
+    {
+      "name": "private_workers_servers",
+      "listener": {
+        "http": {
+          "socket_address": "0.0.0.0:50061"
+        }
+      },
+      "services": {
+        "experimental_prometheus": {
+          "path": "/metrics"
+        },
+        "experimental_bep": {
+          "store": "BEP_STORE"
+        },
+        "worker_api": {
+          "scheduler": "MAIN_SCHEDULER"
+        },
+        "admin": {},
+        "health": {
+          "path": "/status"
+        }
+      }
+    }
+  ],
+  "global": {
+    "max_open_files": 512
+  }
+}