Factor out send_report

clients/ltsdb_report.py

@@ -0,0 +1,39 @@
+import hmac
+import json
+import os
+import random
+import socket
+import time
+
+import requests
+
+def send_report(report):
+    node = socket.gethostbyaddr(socket.gethostname())[0]
+    for dir in (".", os.environ["HOME"] + "/.config/ltsdb", "/etc/ltsdb"):
+        try:
+            with open(dir + "/config.json") as fh:
+                client_config = json.load(fh)
+            baseurl = client_config["server"]
+            break
+        except FileNotFoundError:
+            pass
+    while True:
+        for r in report:
+            timestamp = time.time()
+            msg = (node + " " + str(timestamp)).encode("UTF-8")
+            digest = hmac.new(client_config["key"].encode("UTF-8"), msg, "SHA256").hexdigest()
+            r["auth"] = {
+                "node": node,
+                "timestamp": timestamp,
+                "hmac": digest,
+            }
+        r = requests.post(baseurl + "report", json=report)
+        print(r)
+        if r.status_code == 200:
+            return True
+        elif r.status_code == 409:
+            time.sleep(0.5 + random.random())
+            continue
+        else:
+            return False
+