From 954f607c5a560856e80f19c03632a50460991765 Mon Sep 17 00:00:00 2001 From: Anry Das Date: Sun, 16 Feb 2025 12:38:35 +0200 Subject: [PATCH] initial commit --- .dockerignore | 6 + .gitignore | 0 Dockerfile | 17 + LICENSE | 674 ++++++++++++++++++ README.md | 230 ++++++ app_config.py | 21 + config_file.py | 50 ++ configs/config_default.json | 13 + configs/metrics_default.json | 13 + dasExporter.service | 14 + docker-compose.yaml | 19 + install.sh | 17 + main.py | 114 +++ metrics/DataStructures.py | 292 ++++++++ metrics/MetricClasses.py | 300 ++++++++ metrics/__init__.py | 0 .../DataStructures.cpython-312.pyc | Bin 0 -> 16903 bytes .../__pycache__/MetricClasses.cpython-312.pyc | Bin 0 -> 19459 bytes metrics/__pycache__/__init__.cpython-312.pyc | Bin 0 -> 164 bytes requirements.txt | 4 + start.sh | 9 + 21 files changed, 1793 insertions(+) create mode 100755 .dockerignore create mode 100644 .gitignore create mode 100755 Dockerfile create mode 100644 LICENSE create mode 100644 README.md create mode 100755 app_config.py create mode 100755 config_file.py create mode 100755 configs/config_default.json create mode 100755 configs/metrics_default.json create mode 100644 dasExporter.service create mode 100755 docker-compose.yaml create mode 100644 install.sh create mode 100755 main.py create mode 100755 metrics/DataStructures.py create mode 100755 metrics/MetricClasses.py create mode 100755 metrics/__init__.py create mode 100644 metrics/__pycache__/DataStructures.cpython-312.pyc create mode 100644 metrics/__pycache__/MetricClasses.cpython-312.pyc create mode 100644 metrics/__pycache__/__init__.cpython-312.pyc create mode 100755 requirements.txt create mode 100644 start.sh diff --git a/.dockerignore b/.dockerignore new file mode 100755 index 0000000..f00effb --- /dev/null +++ b/.dockerignore @@ -0,0 +1,6 @@ +.idea +.venv +__pycache__ +data +.dockerignore +Dockerfile diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..e69de29 diff --git a/Dockerfile b/Dockerfile new file mode 100755 index 0000000..1a0929d --- /dev/null +++ b/Dockerfile @@ -0,0 +1,17 @@ +FROM python:3.13-alpine + +MAINTAINER -=:dAs:=- + +RUN apk add gcc python3-dev musl-dev linux-headers + +WORKDIR /usr/src/app + +COPY requirements.txt ./ +RUN pip install --no-cache-dir -r requirements.txt + +COPY *.py . +COPY metrics/*.py metrics/ + +EXPOSE 15200 + +CMD [ "python", "./main.py" ] diff --git a/LICENSE b/LICENSE new file mode 100644 index 0000000..f288702 --- /dev/null +++ b/LICENSE @@ -0,0 +1,674 @@ + GNU GENERAL PUBLIC LICENSE + Version 3, 29 June 2007 + + Copyright (C) 2007 Free Software Foundation, Inc. + Everyone is permitted to copy and distribute verbatim copies + of this license document, but changing it is not allowed. + + Preamble + + The GNU General Public License is a free, copyleft license for +software and other kinds of works. + + The licenses for most software and other practical works are designed +to take away your freedom to share and change the works. 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Interpretation of Sections 15 and 16. + + If the disclaimer of warranty and limitation of liability provided +above cannot be given local legal effect according to their terms, +reviewing courts shall apply local law that most closely approximates +an absolute waiver of all civil liability in connection with the +Program, unless a warranty or assumption of liability accompanies a +copy of the Program in return for a fee. + + END OF TERMS AND CONDITIONS + + How to Apply These Terms to Your New Programs + + If you develop a new program, and you want it to be of the greatest +possible use to the public, the best way to achieve this is to make it +free software which everyone can redistribute and change under these terms. + + To do so, attach the following notices to the program. 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If not, see . + +Also add information on how to contact you by electronic and paper mail. + + If the program does terminal interaction, make it output a short +notice like this when it starts in an interactive mode: + + Copyright (C) + This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'. + This is free software, and you are welcome to redistribute it + under certain conditions; type `show c' for details. + +The hypothetical commands `show w' and `show c' should show the appropriate +parts of the General Public License. Of course, your program's commands +might be different; for a GUI interface, you would use an "about box". + + You should also get your employer (if you work as a programmer) or school, +if any, to sign a "copyright disclaimer" for the program, if necessary. +For more information on this, and how to apply and follow the GNU GPL, see +. + + The GNU General Public License does not permit incorporating your program +into proprietary programs. If your program is a subroutine library, you +may consider it more useful to permit linking proprietary applications with +the library. If this is what you want to do, use the GNU Lesser General +Public License instead of this License. But first, please read +. diff --git a/README.md b/README.md new file mode 100644 index 0000000..b7495ed --- /dev/null +++ b/README.md @@ -0,0 +1,230 @@ +## Das Simple Exporter +### _Das Simple metrics Exporter for Prometheus_ + +[![Python](https://img.shields.io/badge/Python-3-green)](https://www.python.org) [![Prometheus](https://img.shields.io/badge/Prometheus-project-orange)](https://prometheus.io/) [![Grafana](https://img.shields.io/badge/Grafana-project-orange)](https://grafana.com/) [![Docker](https://img.shields.io/badge/Docker-project-blue)](https://www.docker.com/) + +### 💡 Purpose +Create configurable lightweight application to collect some metrics + +### 📃 Features +- lightweight and system resources friendly +- [configurable application](#AppConfig) +- [configurable metrics](#MetricsConfig) to be collected +- supported several [metric types](#MetricTypes) +- hot reload metrics if configuration changed +- could be used as [regular application](#StartRegular), as [systemctl service](#StartService) or a [Docker application](#StartDocker) +- supports JSON, PROPERTIES and YAML configuration formats + +### 📌 Using +_To use specific configuration format the `app_config.CONFIG_FILE_NAME` variable need to be changed. The default config file format is **JSON**_ + +#### Application Configuration +Default config stored in `./configs/` directory in Application dir. To change its location the `app_config.CONFIGS_DIR` variable need to be changed. + +**_Application config changes to take effect the application need to be restarted._** + +The Default Application config is: +```json +{ + "monitor": { + "config": { + "debug": "false", + "print_info": "false", + "interval_seconds": 30, + "uptime_update_seconds": 60, + "port": 15200, + "stop_file_name": "/stop", + "response_path_separator": "|" + } + } +} +``` +- `debug` and `print_info` values need for debug purpose and used to output the debugging information into standard output. +- `interval_seconds` - metrics update time in seconds. Indicates how often every metric will be touch to check if its need to be updated. Every metric have its own update interval. +- `uptime_update_seconds` - the Application uptime metric update interval in seconds. +- `port` - port on which the Exporter's service to be started +- `stop_file_name` - if this file name appears in application's directory the Application will be stopped. +- `response_path_separator` - the response path separator. Used in `rest_value` metric configuration. + +#### Metrics Configuration +There are some embedded metrics in the Exporter: +- Exporter uptime +- System uptime +- CPU used percents +- Memory used percents +- Chassis temperature +- CPU temperature + +The Default Application config is (no metrics are configured): +```json +{ + "monitor": { + "instance_prefix": "", + "metrics": { + "disk": [], + "health": [], + "ping": [], + "iface": [], + "rest_value": [], + "shell_value": [] + } + } +} +``` +`instance_prefix` - prefix that identifies Instance the Exporter launched on. It used to [create the Metric name](#MetricName). May be empty. + +**The Exporter supports following types of metrics:** +**Common parameters:** +- `name` - parameter used in every metric to identify it. **Required**. +- `interval` - time interval in seconds the metric will be updated. **Required**. + +#### Disk (or mount point) Metrics +**_Monitors the Mount Point's sizes: `total`, `used`, `free` space in bytes_** +```json +{ + "name": "root", + "path": "/", + "interval": 20 +} +``` +- `path` - FS path to mount point which size will be monitored + +#### Service Health Metrics +**_Monitors the Service's Health by http request: if 200 code in response - the service is `up`, otherwise - the service is `dn`_** +```json +{ + "name": "google", + "url": "https://google.com", + "method": "GET", + "auth": { + "user": "", + "pass": "" + }, + "headers": { + "d1": "d1", + "d2": "d2" + }, + "interval": 30, + "timeout": 1 +} +``` +- `url` - URL to be monitored +- `methd` - method to send request +- `auth` - authentication section. Optional + - `user` - user name + - `pass` - user password +- `headers` - http headers section to be sent to the host. Optional. The header's key-value pairs will be sent as is. +- `timeout` - timeout to wait for response + +#### ICMP (Ping) Metrics +**_Monitors the Host Health by `ping` command: if ip address reachable - the service is `up`, otherwise - the service is `dn`_** +```json +{ + "name": "Router", + "ip": "192.168.0.1", + "interval": 30, + "count": 1 +} +``` +- `ip` - IP Address or DNS name of the host +- `count` - pings count + +#### Network Interface Metrics +**_Monitors the Network Interface metrics: send and receive bytes_** +```json +{ + "name": "Eth0", + "iface": "eth0", + "interval": 15 +} +``` +- `iface` - system name of network interface (i.e. `eth0`, `lo0`, `wlp4s0`, etc.) + +#### REST value Metrics +**_Gets the responses value from http request to REST service_** +```json +{ + "name": "MyService", + "url": "http://localhost:8080/api/v1/api", + "method": "POST", + "auth": { + "user": "", + "pass": "" + }, + "headers": { + "d1": "d1", + "d2": "d2" + }, + "result_type": "single", + "result_path": "result", + "interval": 30, + "timeout": 2 +} +``` +- `url` - URL to be monitored +- `methd` - method to send request +- `auth` - authentication section. Optional + - `user` - user name + - `pass` - user password +- `headers` - http headers section to be sent to the host. Optional. The header's key-value pairs will be sent as is. +- `result_type` - type of result. The `single` type supported yet. +- `result_path` - path to result value in response JSON separated by `app_config.RESPONSE_PATH_SEPARATOR` character. Could be configured in [Application config](#AppConfig). +- `timeout` - timeout to wait for response + +#### Shell value Metrics +**_Gets the shell command executed result value_** +```json +{ + "name": "shell", + "command": "echo", + "args": [3], + "interval": 5 +} +``` +- `command` - command to be executed +- `args` - CLI arguments to be provided to the command +In example above the metric will return integer value 3. + +**The metric name creates as follows:** +- uses Metric Prefix, actually `das_` +- uses `metric_text` given to every metric while it creating +- uses `instance_prefix` given in metric configuration +- uses `name` given in metric configuration +**Note:** there are no doubles in metrics names supported by Prometheus. If so the exception occurs ant the application will be stopped. + +### 🚀 Launching the application +Use provided `install.sh` script to prepare application to use as service. Or use following shell commands to initialize the Python's Virtual env. +```shell +python3 -m venv .venv +. ./.venv/bin/activate +pip install -r requirements.txt +deactivate +``` + +#### Regular application +In application directory: +```shell +. ./.venv/bin/activate +python ./main.py +``` + +##### System service (preferred option) +Prepare the [dasExporter.service](dasExporter.service) file. Then launch commands: +```shell +sudo ln -s "$( cd -- $(dirname $0) >/dev/null 2>&1 ; pwd -P )/dasExporter.service" /etc/systemd/system/dasExporter.service +sudo systemctl daemon-reload +sudo systemctl start dasExporter +sudo systemctl enable dasExporter +``` +To view service status use `sudo systemctl status dasExporter` +To restart the service use `sudo systemctl restart dasExporter` +To stop the service use `sudo systemctl stop dasExporter` + +##### Docker application +Use provided [docker-compose.yaml](docker-compose.yaml) and [Dockerfile](Dockerfile) files to launch Exporter in docker container. + +**_Make sure you provided all mounts you need to be monitored in `volume` section in the `docker-compose.yaml` file and made according changes in [Disc Metrics Configuration](#DiscMetrics)._** + +**Note:** In Docker some functions may be unavailable. + +###### _Made by -=:dAs:=-_ \ No newline at end of file diff --git a/app_config.py b/app_config.py new file mode 100755 index 0000000..9b6ba27 --- /dev/null +++ b/app_config.py @@ -0,0 +1,21 @@ +import os + +SCRIPT_PATH = os.path.dirname(__file__) +CONFIGS_DIR = SCRIPT_PATH + "/configs" +CONFIG_FILE_NAME = CONFIGS_DIR + "/config.json" +CONFIG_METRICS_FILE_NAME = CONFIGS_DIR + ("/metrics.json" if os.name.upper() == "POSIX" else "/metrics_win.json") # for debug purpose only +STOP_SERVER_FILE_NAME = SCRIPT_PATH + "/stop" +RESPONSE_PATH_SEPARATOR = '|' +CONFIG_METRICS_FILE_TIMESTAMP = 0.0 + +INSTANCE_PREFIX = '' +SERVER_PORT = 15200 +SLEEP_THREAD_SECONDS = 30 +UPTIME_UPDATE_SECONDS = 60 +SYSTEM_UPDATE_SECONDS = 20 + +IS_DEBUG = False +IS_PRINT_INFO = False + +if __name__ == "__main__": + pass diff --git a/config_file.py b/config_file.py new file mode 100755 index 0000000..0271383 --- /dev/null +++ b/config_file.py @@ -0,0 +1,50 @@ +import json +import os +import yaml + +def read_config(name): + if not os.path.isfile(name): + raise Exception(f"File {name} doesn't exists") + filename, ext = os.path.splitext(name) + if 'json' in ext: + return read_json(name), os.path.getmtime(name) + elif 'properties' in ext: + return read_prop(name), os.path.getmtime(name) + elif 'yaml' in ext or 'yml' in ext: + return read_yaml(name), os.path.getmtime(name) + else: + raise Exception("Wrong file type") + +def read_json(name): + with open(name, 'r') as f: + j_conf = json.load(f) + conf = {} + for key, value in j_conf.items(): + conf[key] = value + return conf + +def read_prop(filepath, sep='=', comment_char='#'): + conf = {} + with open(filepath, "rt") as f: + for line in f: + l = line.strip() + if l and not l.startswith(comment_char): + key_value = l.split(sep) + key = key_value[0].strip() + value = sep.join(key_value[1:]).strip().strip('"') + conf[key] = value + return conf + +def read_yaml(name): #ToDo: need to be tested! + conf = {} + with open(name, 'r') as f: + y_conf = yaml.safe_load(f) + for key, value in y_conf.items(): + conf[key] = value + return conf + +def main(): + pass + +if __name__ == "__main__": + main() \ No newline at end of file diff --git a/configs/config_default.json b/configs/config_default.json new file mode 100755 index 0000000..d759b40 --- /dev/null +++ b/configs/config_default.json @@ -0,0 +1,13 @@ +{ + "monitor": { + "config": { + "debug": "false", + "print_info": "false", + "interval_seconds": 30, + "uptime_update_seconds": 60, + "port": 15200, + "stop_file_name": "/stop", + "response_path_separator": "|" + } + } +} \ No newline at end of file diff --git a/configs/metrics_default.json b/configs/metrics_default.json new file mode 100755 index 0000000..0fc02cc --- /dev/null +++ b/configs/metrics_default.json @@ -0,0 +1,13 @@ +{ + "monitor": { + "instance_prefix": "", + "metrics": { + "disk": [], + "health": [], + "ping": [], + "iface": [], + "rest_value": [], + "shell_value": [] + } + } +} \ No newline at end of file diff --git a/dasExporter.service b/dasExporter.service new file mode 100644 index 0000000..be025ad --- /dev/null +++ b/dasExporter.service @@ -0,0 +1,14 @@ +[Unit] + Description = Das Simple Exporter for Prometheus + +[Service] + User = das + Group = das + WorkingDirectory = /path/to/DasExporter + ExecStart = /path/to/DasExporter/start.sh + Restart = always + RestartSec = 5 + SyslogIdentifier = DasExporter + +[Install] + WantedBy = multi-user.target diff --git a/docker-compose.yaml b/docker-compose.yaml new file mode 100755 index 0000000..b80dbcb --- /dev/null +++ b/docker-compose.yaml @@ -0,0 +1,19 @@ +services: + das_exporter: + build: . + container_name: "DasExporter" + restart: "unless-stopped" +# networks: +# - internal + user: "1000" + ports: + - 9010:15200 + volumes: + - ./data/config:/usr/src/app/configs + - /:/usr/src/app/FS/root:ro + - /home:/usr/src/app/FS/home:ro + +#networks: +# internal: +# name: internal +# external: true diff --git a/install.sh b/install.sh new file mode 100644 index 0000000..90daca7 --- /dev/null +++ b/install.sh @@ -0,0 +1,17 @@ +#!/bin/bash + +python3 -m venv .venv + +. ./.venv/bin/activate + +pip install -r requirements.txt + +deactivate + +SCRIPT_PATH=$( cd -- $(dirname $0) >/dev/null 2>&1 ; pwd -P ) + +sudo ln -s "${SCRIPT_PATH}/dasExporter.service" /etc/systemd/system/dasExporter.service + +sudo systemctl daemon-reload +sudo systemctl start dasExporter +sudo systemctl enable dasExporter diff --git a/main.py b/main.py new file mode 100755 index 0000000..1f94daf --- /dev/null +++ b/main.py @@ -0,0 +1,114 @@ +#!/usr/bin/python3 +# Prometheus Metrics by -=:dAs:=- + +import os +import sys +import time + +import metrics.MetricClasses as M +import app_config + +from config_file import read_config as read_cfg +from prometheus_client import start_http_server + +def read_app_config(): + j, _ = read_cfg(app_config.CONFIG_FILE_NAME) + config = j['monitor']['config'] + return config + +def read_metrics_config(): + j, app_config.CONFIG_METRICS_FILE_TIMESTAMP = read_cfg(app_config.CONFIG_METRICS_FILE_NAME) + metrics = j['monitor']['metrics'] + if 'instance_prefix' in j['monitor']: + prefix = j['monitor']['instance_prefix'] + else: + prefix = '' + return metrics, prefix + +def is_need_to_stop(): + return os.path.isfile(app_config.STOP_SERVER_FILE_NAME) + +def get_config_value(cfg, name, default): + return cfg[name] if name in cfg else default + +def parse_config(cfg): + app_config.IS_DEBUG = get_config_value(cfg, 'debug', app_config.IS_DEBUG).lower() == 'true' + app_config.IS_PRINT_INFO = get_config_value(cfg, 'print_info', app_config.IS_PRINT_INFO).lower() == 'true' + app_config.SLEEP_THREAD_SECONDS = get_config_value(cfg, 'interval_seconds', app_config.SLEEP_THREAD_SECONDS) + app_config.SERVER_PORT = get_config_value(cfg, 'port', app_config.SERVER_PORT) + app_config.UPTIME_UPDATE_SECONDS = get_config_value(cfg, 'uptime_update_seconds', app_config.UPTIME_UPDATE_SECONDS) + app_config.SYSTEM_UPDATE_SECONDS = get_config_value(cfg, 'system_update_seconds', app_config.SYSTEM_UPDATE_SECONDS) + app_config.RESPONSE_PATH_SEPARATOR = get_config_value(cfg, 'response_path_separator', app_config.RESPONSE_PATH_SEPARATOR) + file_name = get_config_value(cfg, 'stop_file_name', app_config.STOP_SERVER_FILE_NAME) + app_config.STOP_SERVER_FILE_NAME = app_config.SCRIPT_PATH + (file_name if file_name.startswith('/') else '/' + file_name) + +def init_metric_entities(data): + return { + M.DiskMetric(data, app_config.INSTANCE_PREFIX), + M.HealthMetric(data, app_config.INSTANCE_PREFIX), + M.IcmpMetric(data, app_config.INSTANCE_PREFIX), + M.InterfaceMetric(data, app_config.INSTANCE_PREFIX), + M.RestValueMetric(data, app_config.INSTANCE_PREFIX), + M.ShellValueMetric(data, app_config.INSTANCE_PREFIX), + M.UptimeMetric(app_config.UPTIME_UPDATE_SECONDS), + M.SystemMetric(app_config.SYSTEM_UPDATE_SECONDS) + } + +def is_need_to_reload_config(): + return app_config.CONFIG_METRICS_FILE_TIMESTAMP != os.path.getmtime(app_config.CONFIG_METRICS_FILE_NAME) + +def print_config_info_debug(): + print('-=: Debug Mode :=-') + print(f'\tSCRIPT_PATH={app_config.SCRIPT_PATH}') + print(f'\tCONFIGS_DIR={app_config.CONFIGS_DIR}') + print(f'\tCONFIG_FILE_NAME={app_config.CONFIG_FILE_NAME}') + print(f'\tCONFIG_METRICS_FILE_NAME={app_config.CONFIG_METRICS_FILE_NAME}') + print(f'\tSTOP_SERVER_FILE_NAME={app_config.STOP_SERVER_FILE_NAME}') + print(f'\tRESPONSE_PATH_SEPARATOR={app_config.RESPONSE_PATH_SEPARATOR}') + print(f'\t---') + print(f'\tSERVER_PORT={app_config.SERVER_PORT}') + print(f'\tSLEEP_THREAD_SECONDS={app_config.SLEEP_THREAD_SECONDS}') + print(f'\tUPTIME_UPDATE_SECONDS={app_config.UPTIME_UPDATE_SECONDS}') + print(f'\tSYSTEM_UPDATE_SECONDS={app_config.SYSTEM_UPDATE_SECONDS}') + print(f'\t---') + print(f'\tIS_PRINT_INFO={app_config.IS_PRINT_INFO}') + +def main(): + print("-=: Collector started :=-") + if os.path.isfile(app_config.CONFIG_FILE_NAME): + config = read_app_config() + parse_config(config) + if app_config.IS_DEBUG: + print_config_info_debug() + + metrics_config, app_config.INSTANCE_PREFIX = read_metrics_config() + metric_objects = init_metric_entities(metrics_config) + + start_http_server(app_config.SERVER_PORT) + + while True: + if is_need_to_stop(): + os.remove(app_config.STOP_SERVER_FILE_NAME) + print("-=: Collector stopped :=-") + sys.exit(0) + + if is_need_to_reload_config(): + print('-=: Reloading metrics configuration :=-') + metrics_config, app_config.INSTANCE_PREFIX = read_metrics_config() + metric_objects = init_metric_entities(metrics_config) + print('-=: Metrics configuration reloaded :=-') + + for m in metric_objects: + m.proceed_metric() + if app_config.IS_DEBUG: + m.print_debug_info() + + if app_config.IS_DEBUG: + print('- - -') + + time.sleep(app_config.SLEEP_THREAD_SECONDS) + + +if __name__ == '__main__': + main() + diff --git a/metrics/DataStructures.py b/metrics/DataStructures.py new file mode 100755 index 0000000..7fc1aba --- /dev/null +++ b/metrics/DataStructures.py @@ -0,0 +1,292 @@ +import time +from threading import Thread + +import psutil +from prometheus_client import Gauge, Enum, Counter, REGISTRY + +import app_config + +ENUM_UP_DN_STATES = ['up', 'dn'] + +def get_metric(name): + return REGISTRY._names_to_collectors.get(name) + +def get_gauge_metric(metric_name, descr): + metric = get_metric(metric_name) + if metric is None: + metric = Gauge(metric_name, descr) + return metric + +def get_counter_metric(metric_name, descr): + metric = get_metric(metric_name) + if metric is None: + metric = Counter(metric_name, descr) + return metric + +def get_enum_metric(metric_name, descr, states): + metric = get_metric(metric_name) + if metric is None: + metric = Enum(metric_name, descr, states=states) + return metric + + +class AbstractData: + METRIC_NAME_PREFIX = 'das_' + def __init__(self, name, interval, prefix=''): + self.name = name + self.interval = interval + self.instance_prefix = prefix + self.updated_at = int(time.time()) + + def set_update_time(self): + self.updated_at = int(time.time()) + + def is_need_to_update(self): + return self.updated_at + self.interval <= int(time.time()) + + def get_metric_name(self, metric_text, name): + return (self.METRIC_NAME_PREFIX + + metric_text + '_' + + (self.instance_prefix + '_' if self.instance_prefix else '') + + name) + + def print_trigger_info(self): + if app_config.IS_PRINT_INFO: + print(f'{time.strftime("%Y-%m-%d %H:%M:%S", time.localtime())} [INFO]: Touch "{self.name}"') + + +class DiskData(AbstractData): + g_total: Gauge + g_used: Gauge + g_free: Gauge + def __init__(self, mount_point='/', total=0, used=0, free=0, interval=60, name='', prefix=''): + super().__init__(name, interval, prefix) + self.mount_point = mount_point + self.total = total + self.used = used + self.free = free + self.g_total = get_gauge_metric(self.get_metric_name('disk_total_bytes', name), 'Total bytes on disk') + self.g_used = get_gauge_metric(self.get_metric_name('disk_used_bytes', name), 'Used bytes on disk') + self.g_free = get_gauge_metric(self.get_metric_name('disk_free_bytes', name), 'Free bytes on disk') + self.set_data(total, used, free) + + def set_data(self, total, used, free): + self.g_total.set(total) + self.g_used.set(used) + self.g_free.set(free) + self.set_update_time() + self.print_trigger_info() + + +class HealthData(AbstractData): + e_state: Enum + def __init__(self, name, url, interval, timeout, is_up=False, method='GET', user=None, password=None, headers=None, prefix=''): + super().__init__(name, interval, prefix) + if headers is None: + headers = {} + self.url = url + self.timeout = timeout + self.is_up = is_up + self.method = method.upper() + self.user = user + self.password = password + self.headers = headers + metric_name = self.get_metric_name('service_health', name) + self.e_state = get_enum_metric(metric_name, 'Service health', ENUM_UP_DN_STATES) + self.set_status(is_up) + + def set_status(self, is_up): + self.is_up = is_up + self.e_state.state(ENUM_UP_DN_STATES[0] if is_up else ENUM_UP_DN_STATES[1]) + self.set_update_time() + self.print_trigger_info() + + +class RestValueData(AbstractData): + g_value: Gauge + def __init__(self, name, url, interval, timeout, value=None, method='GET', user=None, password=None, headers=None, prefix='', + result_type='single', result_path=''): + super().__init__(name, interval, prefix) + if headers is None: + headers = {} + self.url = url + self.timeout = timeout + self.method = method.upper() + self.user = user + self.password = password + self.headers = headers + self.value = value + self.type = result_type + self.path = result_path + metric_name = self.get_metric_name('rest_value', name) + self.g_value = get_gauge_metric(metric_name, 'Remote REST API Value ' + name) + self.set_value(value) + + def set_value(self, value): + self.value = value + try: + self.g_value.set(int(value)) + except: + self.g_value.set(0) + + self.set_update_time() + self.print_trigger_info() + + +class ShellValueData(AbstractData): + g_value: Gauge + def __init__(self, name, interval, command, value=None, args=None, prefix=''): + super().__init__(name, interval, prefix) + if args is None: + args = {} + self.command = command + self.value = value + self.args = args + metric_name = self.get_metric_name('shell_value', name) + self.g_value = get_gauge_metric(metric_name, 'Shell Value ' + name) + self.set_value(value) + + def set_value(self, value): + self.value = value + try: + self.g_value.set(int(value)) + except: + self.g_value.set(0) + + self.set_update_time() + self.print_trigger_info() + + +class IcmpData(AbstractData): + e_state: Enum + def __init__(self, name, ip, count, interval, is_up=False, prefix=''): + super().__init__(name, interval, prefix) + self.ip = ip + self.count = count + self.is_up = is_up + metric_name = self.get_metric_name('host_available', name) + self.e_state = get_enum_metric(metric_name, 'Host availability', ENUM_UP_DN_STATES) + self.set_status(is_up) + + def set_status(self, is_up): + self.is_up = is_up + self.e_state.state(ENUM_UP_DN_STATES[0] if is_up else ENUM_UP_DN_STATES[1]) + self.set_update_time() + self.print_trigger_info() + + +class InterfaceData(AbstractData): + g_sent: Counter + g_receive: Counter + def __init__(self, name, iface, interval, sent, receive, prefix=''): + super().__init__(name, interval, prefix) + self.iface = iface + self.sent = sent + self.receive = receive + sent_metric_name = self.get_metric_name('net_interface_sent_bytes', name) + self.g_sent = get_counter_metric(sent_metric_name, 'Network Interface bytes sent') + receive_metric_name = self.get_metric_name('net_interface_receive_bytes', name) + self.g_receive = get_counter_metric(receive_metric_name, 'Network Interface bytes receive') + self.set_data(sent, receive) + + def set_data(self, sent, receive): + sent_delta = sent - self.sent + recv_delta = receive - self.receive + self.sent = sent + self.receive = receive + self.g_sent.inc(sent_delta) + self.g_receive.inc(recv_delta) + self.set_update_time() + self.print_trigger_info() + + +class UptimeData(AbstractData): + START_TIME = int(time.time()) + c_uptime: Counter + def __init__(self, interval, prefix=''): + super().__init__('uptime', interval, prefix) + self.uptime = 0 + metric_name = self.get_metric_name('exporter', self.name) + self.c_uptime = get_counter_metric(metric_name, 'Exporter Uptime in seconds') + self.set_data() + + def set_data(self): + uptime = int(time.time()) - self.START_TIME + self.c_uptime.inc(uptime - self.uptime) + self.uptime = uptime + self.set_update_time() + self.print_trigger_info() + + +class SystemData(AbstractData): + BOOT_TIME = int(psutil.boot_time()) + c_uptime: Counter + g_cpu: Gauge + g_memory: Gauge + g_chassis_temp: Gauge + g_cpu_temp: Gauge + def __init__(self, interval, prefix=''): + super().__init__('system', interval, prefix) + self.cpu, self.memory, self.uptime, self.ch_temp, self.cpu_temp = 0,0,0,0,0 + self.init_metrics() + self.set_data() + + def init_metrics(self): + uptime_metric_name = self.get_metric_name(self.name, 'uptime_seconds') + self.c_uptime = get_counter_metric(uptime_metric_name, 'System uptime') + cpu_metric_name = self.get_metric_name(self.name, 'cpu_percent') + self.g_cpu = get_gauge_metric(cpu_metric_name, 'CPU used percent') + mem_metric_name = self.get_metric_name(self.name, 'memory_percent') + self.g_memory = get_gauge_metric(mem_metric_name, 'Memory used percent') + chassis_temp_metric_name = self.get_metric_name(self.name, 'ChassisTemperature_current') + self.g_chassis_temp = get_gauge_metric(chassis_temp_metric_name, 'Current Chassis Temperature overall') + cpu_temp_metric_name = self.get_metric_name(self.name, 'CpuTemperature_current') + self.g_cpu_temp = get_gauge_metric(cpu_temp_metric_name, 'Current CPU Temperature overall') + + def set_data(self): + uptime = int(time.time()) - self.BOOT_TIME + self.c_uptime.inc(uptime - self.uptime) + self.uptime = uptime + self.memory = psutil.virtual_memory().percent + self.g_memory.set(self.memory) + Thread(target=self.set_cpu_percent()).run() + + try: + avg_temp = 0 + temps = psutil.sensors_temperatures() + if 'coretemp' in temps: + self.cpu_temp = temps["coretemp"][0].current + elif 'cpu_thermal' in temps: + self.cpu_temp = temps["cpu_thermal"][0].current + else: + # if no coretemp we try to get an average temperature + temp, amount = 0, 0 + for i in temps.keys(): + if i != 'acpitz': + temp += temps.get(i)[0].current + amount += 1 + self.cpu_temp = temp // amount + + if 'acpitz' in temps: + self.ch_temp = temps["acpitz"][0].current + else: + self.ch_temp = self.cpu_temp + + self.g_chassis_temp.set(self.ch_temp) + self.g_cpu_temp.set(self.cpu_temp) + except: + self.ch_temp = -500 + self.cpu_temp = -500 + self.g_chassis_temp.set(self.ch_temp) + self.g_cpu_temp.set(self.cpu_temp) + + self.set_update_time() + self.print_trigger_info() + + def set_cpu_percent(self): + self.cpu = psutil.cpu_percent(1) + self.g_cpu.set(self.cpu) + + +if __name__ == '__main__': + pass diff --git a/metrics/MetricClasses.py b/metrics/MetricClasses.py new file mode 100755 index 0000000..b9ed3c7 --- /dev/null +++ b/metrics/MetricClasses.py @@ -0,0 +1,300 @@ +import json +import shutil +from abc import abstractmethod +import time +import platform +import subprocess + +import requests +import psutil + +import app_config + +from threading import Thread +from metrics.DataStructures import DiskData, HealthData, IcmpData, ENUM_UP_DN_STATES, InterfaceData, UptimeData, \ + SystemData, RestValueData, ShellValueData + +class AbstractMetric: + metric_key = "" + config = {} + def __init__(self, key, config): + self.metric_key = key + if key and key in config: + self.config = config[key] + self.data_array = [] + + @abstractmethod + def proceed_metric(self): + pass + + @abstractmethod + def print_debug_info(self): + pass + + +def is_health_check(url, timeout, method, user, pwd, headers, callback=None): + session = requests.Session() + if user and pwd: + session.auth = (user, pwd) + try: + response = session.request( + url=url, + timeout=timeout, + method=method, + headers=headers + ) + result = response.status_code == 200 + if callback is not None: + callback(result) + else: + return result + except (requests.ConnectTimeout, requests.exceptions.ConnectionError) as e: + return False + +def get_rest_value(url, timeout, method, user, pwd, headers, callback=None, result_type='single', path=''): + session = requests.Session() + if user and pwd: + session.auth = (user, pwd) + try: + response = session.request( + url=url, + timeout=timeout, + method=method, + headers=headers + ) + resp = json.loads(response.content.decode().replace("'", '"')) + result = parse_response(resp, path) + if not result.isalnum(): + result = 0 + if callback is not None: + callback(result) + else: + return result + except (requests.ConnectTimeout, requests.exceptions.ConnectionError) as e: + return 0 + +def parse_response(resp, path): + if app_config.RESPONSE_PATH_SEPARATOR in path: + r = None + for s in path.split(app_config.RESPONSE_PATH_SEPARATOR): + if r is None: + if s in resp: + r = resp[s] + else: + return '' + else: + if s in r: + r = r[s] + else: + return '' + return r + else: + if path in resp: + return resp[path] + else: + return '' + +def get_shell_value(command, args, callback=None): + cmd = [command, ' '.join(str(s) for s in args)] + try: + output = subprocess.check_output(cmd) + if output.isalnum(): + result = int(output) + else: + result = 0 + except: + result = 0 + + if callback is not None: + callback(result) + else: + return result + +def is_ping(ip, count, callback=None): + param = '-n' if platform.system().lower() == 'windows' else '-c' + command = ['ping', param, str(count), ip] + output = subprocess.check_output(command) + result = 'unreachable' not in str(output) and 'could not find' not in str(output) and 'time out' not in str(output) + if callback is not None: + callback(result) + else: + return result + +def get_net_iface_stat(name): + return psutil.net_io_counters(pernic=True).get(name) + +def get_next_update_time(d): + return time.strftime('%Y-%m-%d %H:%M:%S', time.localtime(d.updated_at + d.interval)) + + +class DiskMetric(AbstractMetric): + def __init__(self, config, prefix=''): + super().__init__('disk', config) + for d in self.config: + mount_point, interval, name = d['path'], d['interval'], d['name'] + total, used, free = shutil.disk_usage(mount_point) + self.data_array.append(DiskData(mount_point, total, used, free, interval, name, prefix)) + + def proceed_metric(self): + for d in self.data_array: + if d.is_need_to_update(): + mount_point = d.mount_point + d.total, d.used, d.free = shutil.disk_usage(mount_point) + d.set_data(d.total, d.used, d.free) + + def print_debug_info(self): + for d in self.data_array: + print(f'[DEBUG] (next update at {get_next_update_time(d)}) {d.mount_point}: total={d.total // (2 ** 30)} Gb, used={d.used // (2 ** 30)} Gb, free={d.free // (2 ** 30)} Gb') + + +class HealthMetric(AbstractMetric): + def __init__(self, config, prefix=''): + super().__init__('health', config) + for d in self.config: + name, url, interval, timeout, method = d['name'], d['url'], d['interval'], d['timeout'], d['method'] + if 'auth' in self.config: + user = d['auth']['user'] + pwd = d['auth']['pass'] + else: + user = '' + pwd = '' + if 'headers' in self.config: + headers = d['headers'] + else: + headers = '' + result = is_health_check(url, timeout, method, user, pwd, headers) + self.data_array.append(HealthData(name, url, interval, timeout, result, method, user, pwd, headers, prefix)) + + def proceed_metric(self): + for d in self.data_array: + if d.is_need_to_update(): + thread = Thread(target=is_health_check, args=(d.url, d.timeout, d.method, d.user, d.password, d.headers, d.set_status)) + thread.start() + + def print_debug_info(self): + for d in self.data_array: + print(f'[DEBUG] (next update at {get_next_update_time(d)}) {d.url}: {ENUM_UP_DN_STATES[0].upper() if d.is_up else ENUM_UP_DN_STATES[1].upper()}') + + +class IcmpMetric(AbstractMetric): + def __init__(self, config, prefix=''): + super().__init__('ping', config) + for d in self.config: + name, ip, count, interval = d['name'], d['ip'], d['count'], d['interval'] + result = is_ping(ip, count) + self.data_array.append(IcmpData(name, ip, count, interval, result, prefix)) + + def proceed_metric(self): + for d in self.data_array: + if d.is_need_to_update(): + thread = Thread(target=is_ping, args=(d.ip, d.count, d.set_status)) + thread.start() + + def print_debug_info(self): + for d in self.data_array: + print(f'[DEBUG] (next update at {get_next_update_time(d)}) {d.ip}: {"UP" if d.is_up else "DN"}') + + +class InterfaceMetric(AbstractMetric): + def __init__(self, config, prefix=''): + super().__init__('iface', config) + for d in self.config: + name, iface, interval = d['name'], d['iface'], d['interval'] + result = get_net_iface_stat(iface) + self.data_array.append(InterfaceData(name, iface, interval, result.bytes_sent, result.bytes_recv, prefix)) + + def proceed_metric(self): + for d in self.data_array: + if d.is_need_to_update(): + result = get_net_iface_stat(d.iface) + d.set_data(result.bytes_sent, result.bytes_recv) + + def print_debug_info(self): + for d in self.data_array: + print(f'[DEBUG] (next update at {get_next_update_time(d)}) {d.iface}: sent={d.sent}, receive={d.receive}') + + +class RestValueMetric(AbstractMetric): + def __init__(self, config, prefix=''): + super().__init__('rest_value', config) + for d in self.config: + name, url, interval, timeout, method = d['name'], d['url'], d['interval'], d['timeout'], d['method'] + if 'auth' in self.config: + user = d['auth']['user'] + pwd = d['auth']['pass'] + else: + user = '' + pwd = '' + if 'headers' in self.config: + headers = d['headers'] + else: + headers = '' + result_type, result_path = d['result_type'], d['result_path'] + result = get_rest_value(url=url, timeout=timeout, method=method, user=user, pwd=pwd, headers=headers, + result_type=result_type, path=result_path) + self.data_array.append(RestValueData(name, url, interval, timeout, result, method, user, pwd, headers, prefix, result_type, result_path)) + + def proceed_metric(self): + for d in self.data_array: + if d.is_need_to_update(): + thread = Thread(target=get_rest_value, args=(d.url, d.timeout, d.method, d.user, d.password, d.headers, + d.set_value, d.type, d.path)) + thread.start() + + def print_debug_info(self): + for d in self.data_array: + print(f'[DEBUG] (next update at {get_next_update_time(d)}) on {d.url}: by {d.method} in {d.path} got value="{d.value}"') + + +class ShellValueMetric(AbstractMetric): + def __init__(self, config, prefix=''): + super().__init__('shell_value', config) + for d in self.config: + name, command, interval, args = d['name'], d['command'], d['interval'], d['args'] + result = get_shell_value(command, args) + self.data_array.append(ShellValueData(name, interval, command, result, args, prefix)) + + def proceed_metric(self): + for d in self.data_array: + if d.is_need_to_update(): + thread = Thread(target=get_shell_value, args=(d.command, d.args, d.set_value)) + thread.start() + + def print_debug_info(self): + for d in self.data_array: + print(f'[DEBUG] (next update at {get_next_update_time(d)}) on local shell: by command {d.command} with args="{d.args}" got value="{d.value}"') + + +class UptimeMetric(AbstractMetric): + def __init__(self, interval): + super().__init__(None, {}) + self.data_array.append(UptimeData(interval)) + + def proceed_metric(self): + for d in self.data_array: + if d.is_need_to_update(): + d.set_data() + + def print_debug_info(self): + for d in self.data_array: + print(f'[DEBUG] (next update at {get_next_update_time(d)}) Uptime: {d.uptime}') + + +class SystemMetric(AbstractMetric): + def __init__(self, interval): + super().__init__(None, {}) + self.data_array.append(SystemData(interval, app_config.INSTANCE_PREFIX)) + + def proceed_metric(self): + for d in 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