Stub for let's encrypt renewal script

letsencrypt_renew.py

@@ -0,0 +1,67 @@
+#!/usr/bin/env python3
+
+from io import TextIOWrapper
+import logging
+
+from sarge import run, shell_format, capture_both
+from systemd.journal import JournalHandler
+
+logger = logging.getLogger("letsencrypt-renew")
+logger.propagate = False
+logger.addHandler(JournalHandler())
+logger.setLevel(logging.INFO)
+
+
+def parse_domain_list(domainfile):
+
+    domains = list()
+
+    with open(domainfile, "r") as handle:
+
+        for row in handle:
+
+            if not row.rstrip():
+                continue
+
+            # Ignore everything after # (comment)
+            row = row.partition("#")[0]
+            row = row.rstrip()
+
+            if not row:
+                continue
+
+            domains.append(row)
+
+    if not domains:
+        logger.warning("No domains found in configuration.")
+        return
+
+    domains = [shell_format("-d {0}", domain) for domain in domains]
+
+    return domains
+
+
+def renew_domains(letsencrypt_path, domains):
+
+    domains = " ".join(domains)
+    command = " ".join([letsencrypt_path, "certonly", domains])
+
+    logger.info("Renewing domain certificates...")
+    process = capture_both(command)
+
+    for stdout in TextIOWrapper(process.stdout):
+        logger.info(stdin)
+
+    for stderr in TextIOWrapper(process.stderr):
+        logger.info(stderr)
+
+    if process.returncode != 0:
+        logger.error("Let's Encrypt domain renewal failed.")
+        return
+    else:
+        logger.info("Domain renewal succeeded.")
+
+
+
+
+