Adding Digicert CIS Sourceplugin (#959)

* Adding necessary features to complete backfill

* Fixing pagination logic.

lemur/certificates/cli.py

@@ -227,7 +227,8 @@ def reissue(old_certificate_name, commit):
 @manager.option('-f', '--fqdns', dest='fqdns', help='FQDNs to query. Multiple fqdns specified via comma.')
 @manager.option('-i', '--issuer', dest='issuer', help='Issuer to query for.')
 @manager.option('-o', '--owner', dest='owner', help='Owner to query for.')
-def query(fqdns, issuer, owner):
+@manager.option('-e', '--expired', dest='expired', type=bool, default=False, help='Include expired certificates.')
+def query(fqdns, issuer, owner, expired):
     """Prints certificates that match the query params."""
     table = []
 
@@ -246,6 +247,9 @@ def query(fqdns, issuer, owner):
 
     q = q.filter(Certificate.owner.ilike('%{0}%'.format(owner)))
 
+    if not expired:
+        q = q.filter(Certificate.expired == False)  # noqa
+
     for f in fqdns.split(','):
         q = q.filter(
             or_(

lemur/certificates/service.py

@@ -57,6 +57,15 @@ def get_by_name(name):
     return database.get(Certificate, name, field='name')
 
 
+def get_by_serial(serial):
+    """
+    Retrieves certificate by it's Serial.
+    :param serial:
+    :return:
+    """
+    return database.get(Certificate, serial, field='serial')
+
+
 def delete(cert_id):
     """
     Delete's a certificate.