+##############################################################################
+# Copyright (c) 2021 Sawyer Bergeron and others.
+#
+# All rights reserved. This program and the accompanying materials
+# are made available under the terms of the Apache License, Version 2.0
+# which accompanies this distribution, and is available at
+# http://www.apache.org/licenses/LICENSE-2.0
+##############################################################################
+
from resource_inventory.models import (
ResourceTemplate,
Image,
)
import json
+import sys
+import inspect
+import pydoc
from django.contrib.auth.models import User
-from account.models import Lab
+from account.models import (
+ Lab,
+ PublicNetwork
+)
from resource_inventory.resource_manager import ResourceManager
from resource_inventory.pdf_templater import PDFTemplater
def print_div():
- print("====================================================================")
+ """
+ Utility function for printing dividers, does nothing directly useful as a utility
+ """
+ print("=" * 68)
def book_host(owner_username, host_labid, lab_username, hostname, image_id, template_name, length_days=21, collaborator_usernames=[], purpose="internal", project="LaaS"):
"""
creates a quick booking using the given host
+
+ @owner_username is the simple username for the user who will own the resulting booking.
+ Do not set this to a lab username!
+
+ @image_id is the django id of the image in question, NOT the labid of the image.
+ Query Image objects by their public status and compatible host types
+
+ @host_labid is usually of the form `hpe3` or similar, is the labid of the Server (subtype of Resource) object
+
+ @lab_username for iol is `unh_iol`, other labs will be documented here
+
+ @hostname the hostname that the resulting host should have set
+
+ @template_name the name of the (public, or user accessible) template to use for this booking
+
+ @length_days how long the booking should be, no hard limit currently
+
+ @collaborator_usernames a list of usernames for collaborators to the booking
+
+ @purpose what this booking will be used for
+
+ @project what project/group this booking is on behalf of or the owner represents
"""
lab = Lab.objects.get(lab_user__username=lab_username)
host = Server.objects.filter(lab=lab).get(labid=host_labid)
def mark_working(host_labid, lab_username, working=True):
+ """
+ Mark a host working/not working so that it is either bookable or hidden in the dashboard.
+
+ @host_labid is usually of the form `hpe3` or similar, is the labid of the Server (subtype of Resource) object
+
+ @lab_username: param of the form `unh_iol` or similar
+
+ @working: bool, whether by the end of execution the host should be considered working or not working
+ """
+
lab = Lab.objects.get(lab_user__username=lab_username)
server = Server.objects.filter(lab=lab).get(labid=host_labid)
print("changing server working status from ", server.working, "to", working)
def mark_booked(host_labid, lab_username, booked=True):
+ """
+ Mark a host as booked/unbooked
+
+ @host_labid is usually of the form `hpe3` or similar, is the labid of the Server (subtype of Resource) object
+
+ @lab_username: param of the form `unh_iol` or similar
+
+ @working: bool, whether by the end of execution the host should be considered booked or not booked
+ """
+
lab = Lab.objects.get(lab_user__username=lab_username)
server = Server.objects.filter(lab=lab).get(labid=host_labid)
print("changing server booked status from ", server.booked, "to", booked)
server.save()
-# returns host filtered by lab and then unique id within lab
def get_host(host_labid, lab_username):
+ """
+ Returns host filtered by lab and then unique id within lab
+
+ @host_labid is usually of the form `hpe3` or similar, is the labid of the Server (subtype of Resource) object
+
+ @lab_username: param of the form `unh_iol` or similar
+ """
lab = Lab.objects.get(lab_user__username=lab_username)
return Server.objects.filter(lab=lab).get(labid=host_labid)
def get_info(host_labid, lab_username):
+ """
+ Returns various information on the host queried by the given parameters
+
+ @host_labid is usually of the form `hpe3` or similar, is the labid of the Server (subtype of Resource) object
+
+ @lab_username: param of the form `unh_iol` or similar
+ """
info = {}
host = get_host(host_labid, lab_username)
info['host_labid'] = host_labid
return filtered
-def booking_for_host(host_labid: str, labid="unh_iol"):
- server = Server.objects.get(lab__lab_user__username=labid, labid=host_labid)
+def booking_for_host(host_labid: str, lab_username="unh_iol"):
+ """
+ Returns the booking that this server is a part of, if any.
+ Fails with an exception if no such booking exists
+
+ @host_labid is usually of the form `hpe3` or similar, is the labid of the Server (subtype of Resource) object
+
+ @lab_username: param of the form `unh_iol` or similar
+ """
+ server = Server.objects.get(lab__lab_user__username=lab_username, lab_username=host_labid)
booking = server.bundle.booking_set.first()
print_div()
print(booking)
return booking
-def force_release_booking(booking_id):
+def force_release_booking(booking_id: int):
+ """
+ Takes a booking id and forces the booking to end whether or not the tasks have
+ completed normally.
+
+ Use with caution! Hosts may or may not be released depending on other underlying issues
+
+ @booking_id: the id of the Booking object to be released
+ """
booking = Booking.objects.get(id=booking_id)
job = booking.job
tasks = job.get_tasklist()
task.save()
+def free_leaked_public_vlans(safety_buffer_days=2):
+ for lab in Lab.objects.all():
+ current_booking_set = Booking.objects.filter(end__gte=timezone.now() + timedelta(days=safety_buffer_days))
+
+ marked_nets = set()
+
+ for booking in current_booking_set:
+ for network in get_network_metadata(booking.id):
+ marked_nets.add(network["vlan_id"])
+
+ for net in PublicNetwork.objects.filter(lab=lab).filter(in_use=True):
+ if net.vlan not in marked_nets:
+ lab.vlan_manager.release_public_vlan(net.vlan)
+
+
def get_network_metadata(booking_id: int):
+ """
+ Takes a booking id and prints all (known) networks that are owned by it.
+ Returns an object of the form {<network name>: {"vlan_id": int, "netname": str <network name>, "public": bool <whether network is public/routable}}
+
+ @booking_id: the id of the Booking object to be queried
+ """
booking = Booking.objects.get(id=booking_id)
bundle = booking.resource
pnets = PhysicalNetwork.objects.filter(bundle=bundle).all()
def print_dict_pretty(a_dict):
+ """
+ admin_utils internal function
+ """
+
print(json.dumps(a_dict, sort_keys=True, indent=4))
-"""
-schema:
-{
- "name": str
- "description": str
- "labs": [
- str (lab username)
- ]
- "disks": {
- <diskname> : {
- capacity: int (GiB)
- media_type: str ("SSD" or "HDD")
- interface: str ("sata", "sas", "ssd", "nvme", "scsi", or "iscsi")
+def add_profile(data):
+ """
+ Used for adding a host profile to the dashboard
+
+ schema (of dict passed as "data" param):
+ {
+ "name": str
+ "description": str
+ "labs": [
+ str (lab username)
+ ]
+ "disks": {
+ <diskname> : {
+ capacity: int (GiB)
+ media_type: str ("SSD" or "HDD")
+ interface: str ("sata", "sas", "ssd", "nvme", "scsi", or "iscsi")
+ }
}
- }
- interfaces: {
- <intname>: {
- "speed": int (mbit)
- "nic_type": str ("onboard" or "pcie")
- "order": int (compared to the other interfaces, indicates the "order" that the ports are laid out)
+ interfaces: {
+ <intname>: {
+ "speed": int (mbit)
+ "nic_type": str ("onboard" or "pcie")
+ "order": int (compared to the other interfaces, indicates the "order" that the ports are laid out)
+ }
+ }
+ cpus: {
+ cores: int (hardware threads count)
+ architecture: str (x86_64" or "aarch64")
+ cpus: int (number of sockets)
+ cflags: str
+ }
+ ram: {
+ amount: int (GiB)
+ channels: int
}
}
- cpus: {
- cores: int (hardware threads count)
- architecture: str (x86_64" or "aarch64")
- cpus: int (number of sockets)
- cflags: str
- }
- ram: {
- amount: int (GiB)
- channels: int
- }
-}
-"""
-
-
-def add_profile(data):
+ """
base_profile = ResourceProfile.objects.create(name=data['name'], description=data['description'])
base_profile.save()
def make_default_template(resource_profile, image_id=None, template_name=None, connected_interface_names=None, interfaces_tagged=False, connected_interface_tagged=False, owner_username="root", lab_username="unh_iol", public=True, temporary=False, description=""):
+ """
+ Do not call this function without reading the related source code, it may have unintended effects.
+
+ Used for creating a default template from some host profile
+ """
if not resource_profile:
raise Exception("No viable continuation from none resource_profile")
connection.save()
-"""
-Note: interfaces should be dict from interface name (eg ens1f0) to dict of schema:
- {
- mac_address: <mac addr>,
- bus_addr: <bus addr>, //this field is optional, "" is default
- }
-"""
+def add_server(profile, name, interfaces, lab_username="unh_iol", vendor="unknown", model="unknown"):
+ """
+ Used to enroll a new host of some profile
+ @profile: the ResourceProfile in question (by reference to a model object)
+
+ @name: the unique name of the server, currently indistinct from labid
+
+ @interfaces: interfaces should be dict from interface name (eg ens1f0) to dict of schema:
+ {
+ mac_address: <mac addr>,
+ bus_addr: <bus addr>, //this field is optional, "" is default
+ }
-def add_server(profile, uname, interfaces, lab_username="unh_iol", vendor="unknown", model="unknown"):
+ @lab_username: username of the lab to be added to
+
+ @vendor: vendor name of the host, such as "HPE" or "Gigabyte"
+
+ @model: specific model of the host, such as "DL380 Gen 9"
+
+ """
server = Server.objects.create(
bundle=None,
profile=profile,
working=True,
vendor=vendor,
model=model,
- labid=uname,
+ labid=name,
lab=Lab.objects.get(lab_user__username=lab_username),
- name=uname,
+ name=name,
booked=False)
for iface_prof in InterfaceProfile.objects.filter(host=profile).all():
server.interfaces.add(iface)
server.save()
+
+
+def extend_booking(booking_id, days=0, hours=0, minutes=0, weeks=0):
+ """
+ Extend a booking by n <days, hours, minutes, weeks>
+
+ @booking_id: id of the booking
+
+ @days/@hours/@minutes/@weeks: the cumulative amount of delta to add to the length of the booking
+ """
+
+ booking = Booking.objects.get(id=booking_id)
+ booking.end = booking.end + timedelta(days=days, hours=hours, minutes=minutes, weeks=weeks)
+ booking.save()
+
+
+def docs(function=None, fulltext=False):
+ """
+ Print documentation for a given function in admin_utils.
+ Call without arguments for more information
+ """
+
+ fn = None
+
+ if isinstance(function, str):
+ try:
+ fn = globals()[function]
+ except KeyError:
+ print("Couldn't find a function by the given name")
+ return
+ elif callable(function):
+ fn = function
+ else:
+ print("docs(function: callable | str, fulltext: bool) was called with a 'function' that was neither callable nor a string name of a function")
+ print("usage: docs('some_function_in_admin_utils', fulltext=True)")
+ print("The 'fulltext' argument is used to choose if you want the complete source of the function printed. If this argument is false then you will only see the pydoc rendered documentation for the function")
+ return
+
+ if not fn:
+ print("couldn't find a function by that name")
+
+ if not fulltext:
+ print("Pydoc documents the function as such:")
+ print(pydoc.render_doc(fn))
+ else:
+ print("The full source of the function is this:")
+ print(inspect.getsource(fn))
+
+
+def admin_functions():
+ """
+ List functions available to call within admin_utils
+ """
+
+ return [name for name, func in inspect.getmembers(sys.modules[__name__]) if (inspect.isfunction(func) and func.__module__ == __name__)]
+
+
+print("Hint: call `docs(<function name>)` or `admin_functions()` for help on using the admin utils")
+print("docs(<function name>) displays documentation on a given function")
+print("admin_functions() lists all functions available to call within this module")
Code Review / laas.git / blobdiff