mirror of
https://github.com/minetest/contentdb.git
synced 2024-11-10 09:33:44 +01:00
75 lines
2.8 KiB
Python
75 lines
2.8 KiB
Python
# ContentDB
|
|
# Copyright (C) 2020 rubenwardy
|
|
#
|
|
# This program is free software: you can redistribute it and/or modify
|
|
# it under the terms of the GNU Affero General Public License as published by
|
|
# the Free Software Foundation, either version 3 of the License, or
|
|
# (at your option) any later version.
|
|
#
|
|
# This program is distributed in the hope that it will be useful,
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
# GNU Affero General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU Affero General Public License
|
|
# along with this program. If not, see <https://www.gnu.org/licenses/>.
|
|
|
|
from flask import Blueprint, make_response
|
|
from sqlalchemy.sql.expression import func
|
|
|
|
from app.models import Package, db, User, UserRank, PackageState
|
|
|
|
bp = Blueprint("metrics", __name__)
|
|
|
|
def generate_metrics(full=False):
|
|
def write_single_stat(name, help, type, value):
|
|
fmt = "# HELP {name} {help}\n# TYPE {name} {type}\n{name} {value}\n\n"
|
|
|
|
return fmt.format(name=name, help=help, type=type, value=value)
|
|
|
|
def gen_labels(labels):
|
|
pieces = [key + "=" + str(val) for key, val in labels.items()]
|
|
return ",".join(pieces)
|
|
|
|
|
|
def write_array_stat(name, help, type, data):
|
|
ret = "# HELP {name} {help}\n# TYPE {name} {type}\n" \
|
|
.format(name=name, help=help, type=type)
|
|
|
|
for entry in data:
|
|
assert(len(entry) == 2)
|
|
ret += "{name}{{{labels}}} {value}\n" \
|
|
.format(name=name, labels=gen_labels(entry[0]), value=entry[1])
|
|
|
|
return ret + "\n"
|
|
|
|
downloads_result = db.session.query(func.sum(Package.downloads)).one_or_none()
|
|
downloads = 0 if not downloads_result or not downloads_result[0] else downloads_result[0]
|
|
|
|
packages = Package.query.filter_by(state=PackageState.APPROVED).count()
|
|
users = User.query.filter(User.rank != UserRank.NOT_JOINED).count()
|
|
|
|
ret = ""
|
|
ret += write_single_stat("contentdb_packages", "Total packages", "gauge", packages)
|
|
ret += write_single_stat("contentdb_users", "Number of registered users", "gauge", users)
|
|
ret += write_single_stat("contentdb_downloads", "Total downloads", "gauge", downloads)
|
|
|
|
if full:
|
|
scores = Package.query.join(User).with_entities(User.username, Package.name, Package.score) \
|
|
.filter(Package.state==PackageState.APPROVED).all()
|
|
|
|
ret += write_array_stat("contentdb_package_score", "Package score", "gauge",
|
|
[({ "author": score[0], "name": score[1] }, score[2]) for score in scores])
|
|
else:
|
|
score_result = db.session.query(func.sum(Package.score)).one_or_none()
|
|
score = 0 if not score_result or not score_result[0] else score_result[0]
|
|
ret += write_single_stat("contentdb_score", "Total package score", "gauge", score)
|
|
|
|
return ret
|
|
|
|
@bp.route("/metrics")
|
|
def metrics():
|
|
response = make_response(generate_metrics(), 200)
|
|
response.mimetype = "text/plain"
|
|
return response
|