Feature/flow api 3 (#358)

* Working mux socket

* Change API to incorporate flow

* Add Flow ID to all relevant CLIs, not completely implemented

* Change tg-processor-state to use API gateway

* Updated all CLIs

* New tg-show-flow-state command

* tg-show-flow-state shows classes too

trustgraph-cli/scripts/tg-show-flow-state

@@ -0,0 +1,93 @@
+#!/usr/bin/env python3
+
+"""
+Dump out TrustGraph processor states.
+"""
+
+import requests
+import argparse
+from trustgraph.api import Api
+import os
+
+default_metrics_url = "http://localhost:8088/api/metrics"
+default_url = os.getenv("TRUSTGRAPH_URL", 'http://localhost:8088/')
+
+def dump_status(metrics_url, api_url, flow_id):
+
+    api = Api(api_url)
+
+    flow = api.flow_get(flow_id)
+    class_name = flow["class-name"]
+
+    print()
+    print(f"Flow {flow_id}")
+    show_processors(metrics_url, flow_id)
+
+    print()
+    print(f"Class {class_name}")
+    show_processors(metrics_url, class_name)
+
+    print()
+
+def show_processors(metrics_url, flow_label):
+
+    url = f"{metrics_url}/query"
+
+    expr = f"consumer_state=\"running\",flow=\"{flow_label}\""
+
+    params = {
+        "query": "consumer_state{" + expr + "}"
+    }
+
+    resp = requests.get(url, params=params)
+
+    obj = resp.json()
+
+    tbl = [
+        [
+            m["metric"]["job"],
+            "\U0001f49a" if int(m["value"][1]) > 0 else "\U0000274c"
+        ]
+        for m in obj["data"]["result"]
+    ]
+
+    for row in tbl:
+        print(f"- {row[0]:30} {row[1]}")
+
+def main():
+
+    parser = argparse.ArgumentParser(
+        prog='tg-show-flow-state',
+        description=__doc__,
+    )
+
+    parser.add_argument(
+        '-f', '--flow-id',
+        default="0000",
+        help=f'Flow ID (default: 0000)'
+    )
+
+    parser.add_argument(
+        '-u', '--api-url',
+        default=default_url,
+        help=f'API URL (default: {default_url})',
+    )
+
+    parser.add_argument(
+        '-m', '--metrics-url',
+        default=default_metrics_url,
+        help=f'Metrics URL (default: {default_metrics_url})',
+    )
+
+    args = parser.parse_args()
+
+    try:
+
+        dump_status(args.metrics_url, args.api_url, args.flow_id)
+
+    except Exception as e:
+
+        print("Exception:", e, flush=True)
+
+main()
+