From 6b95d3bd38307c1bd320a16368d0a3753601730d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Isma=C3=ABl=20Bouya?= <ismael.bouya@normalesup.org>
Date: Sun, 13 May 2018 14:42:51 +0200
Subject: Add logger for cryptoportfolio

---
 .../templates/cryptoportfolio/api_logger.py.erb    | 52 ++++++++++++++++++++++
 1 file changed, 52 insertions(+)
 create mode 100644 modules/role/templates/cryptoportfolio/api_logger.py.erb

(limited to 'modules/role/templates/cryptoportfolio/api_logger.py.erb')

diff --git a/modules/role/templates/cryptoportfolio/api_logger.py.erb b/modules/role/templates/cryptoportfolio/api_logger.py.erb
new file mode 100644
index 0000000..e5f0b30
--- /dev/null
+++ b/modules/role/templates/cryptoportfolio/api_logger.py.erb
@@ -0,0 +1,52 @@
+#!/usr/bin/python
+
+import time
+import urllib3
+import json
+from systemd import journal
+
+urllib3.disable_warnings()
+http = urllib3.PoolManager()
+
+webhook_url = "<%= @slack_logger %>"
+webhook_icon = "https://git.immae.eu/releases/logger.png"
+
+def send_to_discord(message):
+    def send_chunk(chunk):
+        data = {
+                "avatar_url": webhook_icon,
+                "username": "Logger",
+                "content": "```\n{}\n```".format(chunk),
+                }
+        encoded = json.dumps(data).encode('utf-8')
+
+        r = http.request("POST", webhook_url,
+                headers={'Content-Type': 'application/json'},
+                body=encoded)
+        if r.status == 429:
+            b = json.loads(r.data)
+            time.sleep(b["retry_after"] / 900)
+            r = http.request("POST", webhook_url,
+                    headers={'Content-Type': 'application/json'},
+                    body=encoded)
+        assert r.status < 299
+
+    chunk = ""
+    for line in message.split("\n"):
+        if len(line) + len(chunk) > 2000 - 17:
+            send_chunk(chunk)
+            chunk = line
+        else:
+            chunk += "\n" + line
+    send_chunk(chunk)
+
+j = journal.Reader()
+j.add_match(_SYSTEMD_UNIT="cryptoportfolio-app.service")
+j.seek_tail()
+list(j)
+
+while True:
+    lines = [entry["MESSAGE"] for entry in list(j)]
+    if len(lines) > 0:
+        send_to_discord("\n".join(lines))
+    time.sleep(3)
-- 
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