rewrite ntp-server application (#593)

* rewrite ntp-server application

* .

* .

Author: SourceDoctor

snmp/ntp-server.py

@@ -0,0 +1,96 @@
+#!/usr/bin/env python3
+
+import json
+import subprocess
+
+
+def run_command(command_list):
+
+    result = subprocess.run(
+        command_list, stdout=subprocess.PIPE, stderr=subprocess.DEVNULL
+    )
+
+    return result.stdout.decode("utf-8")
+
+
+def time_since_reset_to_seconds(part):
+    # time since reset:        3D 08:06:47
+    _part = part.split(":")
+    k = _part[0]
+
+    # calc seconds
+    try:
+        v_h = _part[1]
+    except IndexError:
+        v_h = "0"
+    try:
+        v_m = _part[2]
+    except IndexError:
+        v_m = "0"
+    try:
+        v_s = _part[3]
+    except IndexError:
+        v_s = "0"
+
+    v = 0
+
+    if "D" in v_h:
+        v_h_part = v_h.split()
+        v += int(v_h_part[0].replace("D", "")) * 86400
+        v += int(v_h_part[1]) * 3600
+    else:
+        v += int(v_h) * 3600
+
+    v += int(v_m) * 60
+
+    v += int(v_s)
+
+    v = str(v)
+
+    return k, v
+
+
+# -------- first command ---------------------------
+
+output = run_command(["ntpq", "-c rv"])
+
+parts = output.replace("\n", "").split(",")
+
+data_dict = {}
+
+for part in parts:
+    if part.count("=") != 1:
+        continue
+
+    k, v = part.split("=")
+
+    data_dict[k.strip()] = v.replace('"', "")
+
+# -------- second command ---------------------------
+
+output2 = run_command(["ntpq", "-c iostats 127.0.0.1"])
+
+parts = output2.split("\n")
+
+for part in parts:
+    if part.count(":") < 1:
+        continue
+
+    if "time since reset" in part:
+        k, v = time_since_reset_to_seconds(part)
+
+    elif part.count(":") > 1:
+        continue
+
+    else:
+        k, v = part.split(":")
+
+    k = k.strip().replace(" ", "_")
+
+    data_dict[k] = v.strip().split()[0]
+
+# ----------------------------------------------------
+
+result_dict = {"error": 0, "errorString": "", "version": 1, "data": data_dict}
+
+print(json.dumps(result_dict, indent=4, sort_keys=True))