add nodes-to-json: parses retiolum/hosts folder into json

1 files changed, 37 insertions, 0 deletions

diff --git a/retiolum/bin/nodes-to-json.py b/retiolum/bin/nodes-to-json.py
new file mode 100644
index 00000000..ca9d3c8c
--- /dev/null
+++ b/retiolum/bin/nodes-to-json.py
@@ -0,0 +1,37 @@
+#!/usr/bin/python
+
+def parse_hosts_path(path="/etc/tinc/retiolum/hosts"):
+  import os
+  import re
+
+  needle_addr = re.compile("Subnet\s*=\s*(.*)/[0-9]+")
+  needle_port = re.compile("Port\s*=\s*(.*)")
+  for f in os.listdir(path):
+    with open(path+"/"+f) as of:
+      addrs = []
+      port = "655"
+
+      for line in of.readlines():
+
+        addr_found = needle_addr.match(line)
+        if addr_found:
+          addrs.append(addr_found.group(1))
+
+        port_found = needle_port.match(line)
+        if port_found:
+          port = port_found.group(1)
+      
+      if addrs : yield (f ,[(addr ,int(port)) for addr in addrs])
+
+
+
+if __name__ == "__main__":
+  """
+  usage
+  """
+  import json
+  import sys
+  db={}
+  for host,addrs in parse_hosts_path(sys.argv[1] if len(sys.argv) > 2 else "/etc/tinc/retiolum/hosts"):
+    db[host] = addrs
+  print(json.dumps(db))