97a8cc149e
The newer version of node_exporter comes with important bug fixes, that
is especially important for I3.metal is not supported with the older
version of node_exporter.
The dashboards can now support both the new and the old version of
node_exporter.
Fixes #3927
Signed-off-by: Amnon Heiman <amnon@scylladb.com>
Message-Id: <20181210085251.23312-1-amnon@scylladb.com>
(cherry picked from commit 09c2b8b48a)
75 lines
2.7 KiB
Python
Executable File
75 lines
2.7 KiB
Python
Executable File
#!/usr/bin/python3
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#
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# Copyright 2018 ScyllaDB
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#
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#
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# This file is part of Scylla.
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#
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# Scylla is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# Scylla is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with Scylla. If not, see <http://www.gnu.org/licenses/>.
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import os
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import sys
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import tempfile
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import tarfile
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from scylla_util import *
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VERSION='0.17.0'
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INSTALL_DIR='/usr/lib/scylla/Prometheus/node_exporter'
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if __name__ == '__main__':
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if os.getuid() > 0:
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print('Requires root permission.')
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sys.exit(1)
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if os.path.exists('/usr/bin/node_exporter') or os.path.exists('/usr/bin/prometheus-node_exporter'):
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print('node_exporter already installed')
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sys.exit(1)
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if is_gentoo_variant():
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run('emerge -uq app-metrics/node_exporter')
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if is_systemd():
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print('app-metrics/node_exporter does not install systemd service files, please fill a bug if you need them.')
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sys.exit(1)
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else:
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run('rc-update add node_exporter default')
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run('rc-service node_exporter start')
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else:
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data = curl('https://github.com/prometheus/node_exporter/releases/download/v{version}/node_exporter-{version}.linux-amd64.tar.gz'.format(version=VERSION), byte=True)
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with open('/var/tmp/node_exporter-{version}.linux-amd64.tar.gz'.format(version=VERSION), 'wb') as f:
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f.write(data)
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with tarfile.open('/var/tmp/node_exporter-{version}.linux-amd64.tar.gz'.format(version=VERSION)) as tf:
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tf.extractall(INSTALL_DIR)
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os.remove('/var/tmp/node_exporter-{version}.linux-amd64.tar.gz'.format(version=VERSION))
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os.symlink('{install_dir}/node_exporter-{version}.linux-amd64/node_exporter'.format(install_dir=INSTALL_DIR, version=VERSION), '/usr/bin/node_exporter')
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if is_systemd():
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node_exporter = systemd_unit('node-exporter.service')
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node_exporter.enable()
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node_exporter.start()
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else:
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conf = '''
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# Run node_exporter
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start on startup
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script
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/usr/bin/node_exporter
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end script
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'''[1:-1]
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with open('/etc/init/node_exporter.conf', 'w') as f:
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f.write(conf)
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run('service node_exporter start')
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print('node_exporter successfully installed')
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