Added playbooks and scripts

- New mainweb, pxeboot, dns, aethermgmt playbooks
- Add netbox scripts
  - pxeboot information from netbox
  - full configuration for an edge node
- Update timesheets role
- Ignore files directory

Change-Id: Icfc9ce27b92837563ca01102b8a6793020f79b73
diff --git a/scripts/netbox_pxe.py b/scripts/netbox_pxe.py
new file mode 100644
index 0000000..427395a
--- /dev/null
+++ b/scripts/netbox_pxe.py
@@ -0,0 +1,165 @@
+#!/usr/bin/env python3
+
+# SPDX-FileCopyrightText: © 2020 Open Networking Foundation <support@opennetworking.org>
+# SPDX-License-Identifier: Apache-2.0
+
+from __future__ import absolute_import
+
+import argparse
+import json
+import logging
+import netaddr
+import re
+import ssl
+import urllib.parse
+import urllib.request
+from ruamel import yaml
+
+# create shared logger
+logging.basicConfig()
+logger = logging.getLogger("nbht")
+
+# headers to pass, set globally
+headers = []
+
+# settings
+settings = {}
+
+def parse_nb_args():
+    """
+    parse CLI arguments
+    """
+
+    parser = argparse.ArgumentParser(description="NetBox Host Descriptions")
+
+    # Positional args
+    parser.add_argument(
+        "settings",
+        type=argparse.FileType("r"),
+        help="YAML ansible inventory file w/netbox info",
+    )
+
+    parser.add_argument(
+        "--debug", action="store_true", help="Print additional debugging information"
+    )
+
+    return parser.parse_args()
+
+
+def json_api_get(
+    url,
+    headers,
+    data=None,
+    trim_prefix=False,
+    allow_failure=False,
+    validate_certs=False,
+):
+    """
+    Call JSON API endpoint, return data as a dict
+    """
+
+    logger.debug("json_api_get url: %s", url)
+
+    # if data included, encode it as JSON
+    if data:
+        data_enc = str(json.dumps(data)).encode("utf-8")
+
+        request = urllib.request.Request(url, data=data_enc, method="POST")
+        request.add_header("Content-Type", "application/json; charset=UTF-8")
+    else:
+        request = urllib.request.Request(url)
+
+    # add headers tuples
+    for header in headers:
+        request.add_header(*header)
+
+    try:
+
+        if validate_certs:
+            response = urllib.request.urlopen(request)
+
+        else:
+            ctx = ssl.create_default_context()
+            ctx.check_hostname = False
+            ctx.verify_mode = ssl.CERT_NONE
+
+            response = urllib.request.urlopen(request, context=ctx)
+
+    except urllib.error.HTTPError:
+        # asking for data that doesn't exist results in a 404, just return nothing
+        if allow_failure:
+            return None
+        logger.exception("Server encountered an HTTPError at URL: '%s'", url)
+    except urllib.error.URLError:
+        logger.exception("An URLError occurred at URL: '%s'", url)
+    else:
+        # docs: https://docs.python.org/3/library/json.html
+        jsondata = response.read()
+        logger.debug("API response: %s", jsondata)
+
+    try:
+        data = json.loads(jsondata)
+    except json.decoder.JSONDecodeError:
+        # allow return of no data
+        if allow_failure:
+            return None
+        logger.exception("Unable to decode JSON")
+    else:
+        logger.debug("JSON decoded: %s", data)
+
+    return data
+
+
+def get_pxe_devices(tenant_group, filters=""):
+
+    # get all devices in a prefix
+    url = "%s%s" % (
+        settings["api_endpoint"],
+        "api/dcim/devices/?tenant_group=%s%s" % (tenant_group, filters),
+    )
+
+    print(url)
+
+    raw_devs = json_api_get(url, headers, validate_certs=settings["validate_certs"])
+
+    logger.debug("raw_devs: %s", raw_devs)
+
+    devs = []
+
+    for item in raw_devs["results"]:
+        dev = {}
+        dev["serial"] = item["serial"]
+        dev["hostname"] = item["name"]
+        dev["domain"] = "aetherproject.net"
+
+        devs.append(dev)
+
+    return devs
+
+
+# main function that calls other functions
+if __name__ == "__main__":
+
+    args = parse_nb_args()
+
+    # only print log messages if debugging
+    if args.debug:
+        logger.setLevel(logging.DEBUG)
+    else:
+        logger.setLevel(logging.INFO)
+
+    # load settings from yaml file
+    settings = yaml.safe_load(args.settings.read())
+
+    logger.info("settings: %s" % settings)
+
+    # global, so this isn't run multiple times
+    headers = [
+        ("Authorization", "Token %s" % settings["token"]),
+    ]
+
+    # create structure from extracted data
+
+    pxe_devices = get_pxe_devices("aether", "&role_id=1")
+
+    print(yaml.safe_dump({"pxeboot_hosts": pxe_devices}, indent=2))