penpot/backend/src/app/telemetry.clj
2021-02-22 14:50:01 +01:00

121 lines
3.9 KiB
Clojure

;; This Source Code Form is subject to the terms of the Mozilla Public
;; License, v. 2.0. If a copy of the MPL was not distributed with this
;; file, You can obtain one at http://mozilla.org/MPL/2.0/.
;;
;; This Source Code Form is "Incompatible With Secondary Licenses", as
;; defined by the Mozilla Public License, v. 2.0.
;;
;; Copyright (c) 2020-2021 UXBOX Labs SL
(ns app.telemetry
(:require
[app.common.spec :as us]
[app.db :as db]
[app.http.middleware :refer [wrap-parse-request-body]]
[clojure.pprint :refer [pprint]]
[clojure.spec.alpha :as s]
[clojure.tools.logging :as log]
[integrant.core :as ig]
[promesa.exec :as px]
[ring.middleware.keyword-params :refer [wrap-keyword-params]]
[ring.middleware.params :refer [wrap-params]]))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; Migrations
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(def sql:create-instance-table
"CREATE TABLE IF NOT EXISTS telemetry.instance (
id uuid PRIMARY KEY,
created_at timestamptz NOT NULL DEFAULT now()
);")
(def sql:create-info-table
"CREATE TABLE telemetry.info (
instance_id uuid,
created_at timestamptz NOT NULL DEFAULT clock_timestamp(),
data jsonb NOT NULL,
PRIMARY KEY (instance_id, created_at)
) PARTITION BY RANGE(created_at);
CREATE TABLE telemetry.info_default (LIKE telemetry.info INCLUDING ALL);
ALTER TABLE telemetry.info
ATTACH PARTITION telemetry.info_default DEFAULT;")
(def migrations
[{:name "0001-add-telemetry-schema"
:fn #(db/exec! % ["CREATE SCHEMA IF NOT EXISTS telemetry;"])}
{:name "0002-add-instance-table"
:fn #(db/exec! % [sql:create-instance-table])}
{:name "0003-add-info-table"
:fn #(db/exec! % [sql:create-info-table])}
{:name "0004-del-instance-table"
:fn #(db/exec! % ["DROP TABLE telemetry.instance;"])}])
(defmethod ig/init-key ::migrations [_ _] migrations)
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; Router Handler
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(declare handler)
(declare process-request)
(defmethod ig/init-key ::handler
[_ cfg]
(-> (partial handler cfg)
(wrap-keyword-params)
(wrap-params)
(wrap-parse-request-body)))
(s/def ::instance-id ::us/uuid)
(s/def ::params (s/keys :req-un [::instance-id]))
(defn handler
[{:keys [executor] :as cfg} {:keys [params] :as request}]
(try
(let [params (us/conform ::params params)
cfg (assoc cfg
:instance-id (:instance-id params)
:data (dissoc params :instance-id))]
(px/run! executor (partial process-request cfg)))
(catch Exception e
;; We don't want notify user of a error, just log it for posible
;; future investigation.
(log/warn e (str "unexpected error on telemetry:\n"
(when-let [edata (ex-data e)]
(str "ex-data: \n"
(with-out-str (pprint edata))))
(str "params: \n"
(with-out-str (pprint params)))))))
{:status 200
:body "OK\n"})
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; Request Processing
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(def sql:insert-instance-info
"insert into telemetry.info (instance_id, data, created_at)
values (?, ?, date_trunc('day', now()))
on conflict (instance_id, created_at)
do update set data = ?")
(defn- process-request
[{:keys [pool instance-id data]}]
(try
(db/with-atomic [conn pool]
(let [data (db/json data)]
(db/exec! conn [sql:insert-instance-info
instance-id
data
data])))
(catch Exception e
(log/errorf e "error on procesing request"))))