bundles certifi certs as dependency (#10)

Author: Allen Leis

btrdb/conn.py

@@ -18,6 +18,7 @@
 import os
 import re
 import json
+import certifi
 import uuid as uuidlib
 
 import grpc
@@ -66,10 +67,15 @@ def __init__(self, addrportstr, apikey=None):
             # certificates but will fail for custom CA certs. Allow the user
             # to specify a CA bundle via env var to overcome this
             env_bundle = os.getenv("BTRDB_CA_BUNDLE", "")
-            os_certs = "/etc/ssl/certs/ca-certificates.crt"
+
+            # certifi certs are provided as part of this package install
+            # https://github.com/certifi/python-certifi
+            lib_certs = certifi.where()
+
             ca_bundle = env_bundle
+
             if ca_bundle == "":
-                ca_bundle = os_certs
+                ca_bundle = lib_certs
             try:
                 with open(ca_bundle, "rb") as f:
                     contents = f.read()

requirements.txt

@@ -6,4 +6,5 @@ grpcio-tools>=1.19.0
 pytz
 
 # Misc libraries
-pyyaml
+pyyaml
+certifi