Révision 37d81d7a
Plugin nova_instance_: migrate to Python3, format documentation
| plugins/nova/nova_instance_ | ||
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#!/usr/bin/env python |
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# |
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# Plugin to monitor status of Floating IPs in Nova |
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# |
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# To monitor instance states, link instance_states to this file. |
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# E.g. |
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# ln -s /usr/share/munin/plugins/nova_instance_states /etc/munin/plugins/ |
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# |
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# Needs following minimal configuration in plugin-conf.d/nova: |
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# [nova_*] |
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# user nova |
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# |
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# Magic markers |
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#%# capabilities=autoconf suggest |
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#%# family=auto |
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#!/usr/bin/env python3 |
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""" |
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=head1 NAME |
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nova_instance_ - monitor status of Floating IPs in Nova |
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=head1 CONFIGURATION |
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To monitor instance states, link instance_states to this file. |
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E.g. |
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ln -s /usr/share/munin/plugins/nova_instance_states /etc/munin/plugins/ |
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Needs following minimal configuration in plugin-conf.d/nova: |
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[nova_*] |
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user nova |
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=head1 AUTHORS |
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Copyright 2012 Mehdi Abaakouk <sileht@sileht.net> |
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=head1 MAGIC MARKERS |
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#%# capabilities=autoconf suggest |
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#%# family=auto |
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=cut |
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""" |
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import os |
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import sys |
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try: |
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from nova import context |
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from nova import db |
| ... | ... | |
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successful_import = True |
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class InstanceState(object):
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class InstanceState: |
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instance_counts = None |
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states = None |
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| ... | ... | |
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for instance in instances: |
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i = dict(instance) |
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i['instance_type'] = i['type'] = instance_types.get( |
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instance.instance_type_id, |
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'(unknown') |
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i['type'] = instance_types.get(instance.instance_type_id, '(unknown') |
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i['instance_type'] = i['type'] |
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val = cls.instance_counts.get(i[metric], 0) |
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cls.instance_counts[i[metric]] = val + 1 |
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cls.states = cls.instance_counts.keys() |
| ... | ... | |
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InstanceState.init(metric) |
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return cls.instance_counts |
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def get_name(metric, code): |
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if metric == "power_state": |
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return power_state.name(code) |
| ... | ... | |
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else: |
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return code |
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def print_config(metric): |
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states = InstanceState.get_states(metric) |
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print 'graph_title Nova Instance %s' % metric
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print 'graph_vlabel instances'
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print 'graph_args --base 1000 --lower-limit 0'
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print 'graph_category cloud'
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print 'graph_scale no'
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print 'graph_info This graph shows the number of instances by %s' % metric
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print('graph_title Nova Instance %s' % metric)
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print('graph_vlabel instances')
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print('graph_args --base 1000 --lower-limit 0')
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print('graph_category cloud')
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print('graph_scale no')
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print('graph_info This graph shows the number of instances by %s' % metric)
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for state in states: |
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print '%s.label %s' % (state, get_name(metric, state))
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print '%s.draw LINE2' % state
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print '%s.info %s IPs' % (state, state)
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print('%s.label %s' % (state, get_name(metric, state)))
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print('%s.draw LINE2' % state)
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print('%s.info %s IPs' % (state, state))
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def print_values(metric): |
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status = InstanceState.get_instance_counts(metric) |
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for (state, value) in status.iteritems(): |
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print '%s.value %s' % (state, value) |
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for (state, value) in status.items(): |
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print('%s.value %s' % (state, value))
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def print_suggest(): |
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suggest = [ "vm_state", |
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"vcpus", |
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"task_state", |
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"root_gb", |
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"ephemeral_gb", |
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"power_state", |
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"memory_mb", |
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"instance_type_id", |
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] |
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print "\n".join(suggest) |
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suggest = [ |
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"vm_state", |
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"vcpus", |
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"task_state", |
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"root_gb", |
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"ephemeral_gb", |
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"power_state", |
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"memory_mb", |
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"instance_type_id", |
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] |
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print(os.linesep.join(suggest)) |
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if __name__ == '__main__': |
| ... | ... | |
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print_suggest() |
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elif argv[1] == 'autoconf': |
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if not successful_import: |
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print 'no (failed import nova module)' |
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sys.exit(0) |
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print('no (failed import nova module)')
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else: |
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print 'yes' |
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print('yes')
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sys.exit(0) |
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elif successful_import: |
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print_values(metric) |
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