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123 lines
3.7 KiB
Python
123 lines
3.7 KiB
Python
# -*- coding: utf-8 -*-
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# Description: puppet netdata python.d module
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# Author: Andrey Galkin <andrey@futoin.org> (andvgal)
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# SPDX-License-Identifier: GPL-3.0-or-later
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#
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# This module should work both with OpenSource and PE versions
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# of PuppetServer and PuppetDB.
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#
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# NOTE: PuppetDB may be configured to require proper TLS
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# client certificate for security reasons. Use tls_key_file
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# and tls_cert_file options then.
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#
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import socket
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from json import loads
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from bases.FrameworkServices.UrlService import UrlService
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update_every = 5
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MiB = 1 << 20
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CPU_SCALE = 1000
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ORDER = [
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'jvm_heap',
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'jvm_nonheap',
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'cpu',
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'fd_open',
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]
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CHARTS = {
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'jvm_heap': {
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'options': [None, 'JVM Heap', 'MiB', 'resources', 'puppet.jvm', 'area'],
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'lines': [
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['jvm_heap_committed', 'committed', 'absolute', 1, MiB],
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['jvm_heap_used', 'used', 'absolute', 1, MiB],
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],
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'variables': [
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['jvm_heap_max'],
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['jvm_heap_init'],
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],
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},
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'jvm_nonheap': {
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'options': [None, 'JVM Non-Heap', 'MiB', 'resources', 'puppet.jvm', 'area'],
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'lines': [
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['jvm_nonheap_committed', 'committed', 'absolute', 1, MiB],
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['jvm_nonheap_used', 'used', 'absolute', 1, MiB],
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],
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'variables': [
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['jvm_nonheap_max'],
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['jvm_nonheap_init'],
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],
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},
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'cpu': {
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'options': [None, 'CPU usage', 'percentage', 'resources', 'puppet.cpu', 'stacked'],
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'lines': [
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['cpu_time', 'execution', 'absolute', 1, CPU_SCALE],
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['gc_time', 'GC', 'absolute', 1, CPU_SCALE],
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]
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},
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'fd_open': {
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'options': [None, 'File Descriptors', 'descriptors', 'resources', 'puppet.fdopen', 'line'],
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'lines': [
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['fd_used', 'used', 'absolute'],
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],
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'variables': [
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['fd_max'],
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],
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},
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}
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class Service(UrlService):
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def __init__(self, configuration=None, name=None):
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UrlService.__init__(self, configuration=configuration, name=name)
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self.order = ORDER
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self.definitions = CHARTS
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self.url = 'https://{0}:8140'.format(socket.getfqdn())
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def _get_data(self):
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# NOTE: there are several ways to retrieve data
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# 1. Only PE versions:
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# https://puppet.com/docs/pe/2018.1/api_status/status_api_metrics_endpoints.html
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# 2. Inidividual Metrics API (JMX):
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# https://puppet.com/docs/pe/2018.1/api_status/metrics_api.html
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# 3. Extended status at debug level:
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# https://puppet.com/docs/pe/2018.1/api_status/status_api_json_endpoints.html
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#
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# For sake of simplicity and efficiency the status one is used..
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raw_data = self._get_raw_data(self.url + '/status/v1/services?level=debug')
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if raw_data is None:
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return None
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raw_data = loads(raw_data)
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data = {}
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try:
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try:
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jvm_metrics = raw_data['status-service']['status']['experimental']['jvm-metrics']
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except KeyError:
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jvm_metrics = raw_data['status-service']['status']['jvm-metrics']
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heap_mem = jvm_metrics['heap-memory']
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non_heap_mem = jvm_metrics['non-heap-memory']
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for k in ['max', 'committed', 'used', 'init']:
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data['jvm_heap_'+k] = heap_mem[k]
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data['jvm_nonheap_'+k] = non_heap_mem[k]
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fd_open = jvm_metrics['file-descriptors']
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data['fd_max'] = fd_open['max']
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data['fd_used'] = fd_open['used']
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data['cpu_time'] = int(jvm_metrics['cpu-usage'] * CPU_SCALE)
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data['gc_time'] = int(jvm_metrics['gc-cpu-usage'] * CPU_SCALE)
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except KeyError:
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pass
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return data or None
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