def collect(self):
labels = disk.get_disk_labels()
for key, info in disk.get_file_systems().iteritems():
if labels.has_key(info.device):
name = labels[info.device]
else:
name = info.mount_point.replace('/', '_')
name = 'root' if name == '_' else name
data = os.statvfs(info.mount_point)
block_size = data.f_bsize
blocks_total, blocks_free, blocks_avail = data.f_blocks, data.f_bfree, data.f_bavail
inodes_total, inodes_free, inodes_avail = data.f_files, data.f_ffree, data.f_favail
metric_name = '%s.%s_used' % (name, self.config['byte_unit'])
metric_value = float(block_size) * float(blocks_total - blocks_free)
metric_value = diamond.convertor.binary.convert(value = metric_value, oldUnit = 'byte', newUnit = self.config['byte_unit'])
self.publish(metric_name, metric_value, 2)
metric_name = '%s.%s_free' % (name, self.config['byte_unit'])
metric_value = float(block_size) * float(blocks_free)
metric_value = diamond.convertor.binary.convert(value = metric_value, oldUnit = 'byte', newUnit = self.config['byte_unit'])
self.publish(metric_name, metric_value, 2)
metric_name = '%s.%s_avail' % (name, self.config['byte_unit'])
metric_value = float(block_size) * float(blocks_avail)
metric_value = diamond.convertor.binary.convert(value = metric_value, oldUnit = 'byte', newUnit = self.config['byte_unit'])
self.publish(metric_name, metric_value, 2)
self.publish('%s.inodes_used' % name, inodes_total - inodes_free)
self.publish('%s.inodes_free' % name, inodes_free)
self.publish('%s.inodes_avail' % name, inodes_avail)
def test_should_work_with_real_data(self, publish_mock):
statvfs_mock = Mock()
statvfs_mock.f_bsize = 4096
statvfs_mock.f_frsize = 4096
statvfs_mock.f_blocks = 360540255
statvfs_mock.f_bfree = 285953527
statvfs_mock.f_bavail = 267639130
statvfs_mock.f_files = 91578368
statvfs_mock.f_ffree = 91229495
statvfs_mock.f_favail = 91229495
statvfs_mock.f_flag = 4096
statvfs_mock.f_namemax = 255
with nested(
patch('os.stat'), patch('os.major', Mock(return_value=9)),
patch('os.minor', Mock(return_value=0)),
patch('__builtin__.open',
Mock(return_value=self.getFixture('proc_mounts')))):
file_systems_mock = disk.get_file_systems()
with nested(
patch('disk.get_file_systems',
Mock(return_value=file_systems_mock)),
patch('os.statvfs', Mock(return_value=statvfs_mock))):
self.collector.collect()
self.assertPublishedMany(
publish_mock, {
'root.gigabyte_used': (284.525, 2),
'root.gigabyte_free': (1090.826, 2),
'root.gigabyte_avail': (1020.962, 2),
'root.inodes_used': 348873,
'root.inodes_free': 91229495,
'root.inodes_avail': 91229495
})
def test_should_work_with_real_data(self, publish_mock):
statvfs_mock = Mock()
statvfs_mock.f_bsize = 4096
statvfs_mock.f_frsize = 4096
statvfs_mock.f_blocks = 360540255
statvfs_mock.f_bfree = 285953527
statvfs_mock.f_bavail = 267639130
statvfs_mock.f_files = 91578368
statvfs_mock.f_ffree = 91229495
statvfs_mock.f_favail = 91229495
statvfs_mock.f_flag = 4096
statvfs_mock.f_namemax = 255
with nested(
patch('os.stat'),
patch('os.major', return_value = 9),
patch('os.minor', return_value = 0),
patch('__builtin__.open', return_value = get_fixture('proc_mounts'))
):
file_systems_mock = disk.get_file_systems()
with nested(
patch('disk.get_file_systems', return_value = file_systems_mock),
patch('os.statvfs', return_value = statvfs_mock)
):
self.collector.collect()
self.assertPublishedMany(publish_mock, {
'root.gbytes_used' : ( 284.525, 2),
'root.gbytes_free' : (1090.826, 2),
'root.gbytes_avail' : (1020.962, 2),
'root.inodes_used' : 348873,
'root.inodes_free' : 91229495,
'root.inodes_avail' : 91229495
})
def collect(self):
for key, info in disk.get_file_systems().iteritems():
name = info.mount_point.replace('/', '_')
name = 'root' if name == '_' else name
data = os.statvfs(info.mount_point)
block_size = data.f_bsize
blocks_total, blocks_free, blocks_avail = data.f_blocks, data.f_bfree, data.f_bavail
inodes_total, inodes_free, inodes_avail = data.f_files, data.f_ffree, data.f_favail
metric_name = '%s.gbytes_used' % name
metric_value = float(block_size) * float(blocks_total - blocks_free)
metric_value = diamond.convertor.bytes_to_gbytes(metric_value)
self.publish(metric_name, metric_value, 2)
metric_name = '%s.gbytes_free' % name
metric_value = float(block_size) * float(blocks_free)
metric_value = diamond.convertor.bytes_to_gbytes(metric_value)
self.publish(metric_name, metric_value, 2)
metric_name = '%s.gbytes_avail' % name
metric_value = float(block_size) * float(blocks_avail)
metric_value = diamond.convertor.bytes_to_gbytes(metric_value)
self.publish(metric_name, metric_value, 2)
self.publish('%s.inodes_used' % name, inodes_total - inodes_free)
self.publish('%s.inodes_free' % name, inodes_free)
self.publish('%s.inodes_avail' % name, inodes_avail)
def test_should_work_with_real_data(self, publish_mock):
with nested(
patch('os.stat'),
patch('os.major', return_value = 9),
patch('os.minor', return_value = 0),
patch('__builtin__.open', return_value = get_fixture('proc_mounts'))
):
file_systems = disk.get_file_systems()
with patch('__builtin__.open', return_value = get_fixture('proc_diskstats_1')):
disk_statistics_1 = disk.get_disk_statistics()
with patch('__builtin__.open', return_value = get_fixture('proc_diskstats_2')):
disk_statistics_2 = disk.get_disk_statistics()
with nested(
patch('disk.get_file_systems', return_value = file_systems),
patch('disk.get_disk_statistics', return_value = disk_statistics_1)
):
self.collector.collect()
self.assertPublishedMany(publish_mock, {})
with nested(
patch('disk.get_file_systems', return_value = file_systems),
patch('disk.get_disk_statistics', return_value = disk_statistics_2)
):
self.collector.collect()
self.assertPublishedMany(publish_mock, {
'sda.reads' : 0.5,
'sda.reads_merged' : 0.6,
'sda.reads_kbytes' : 4.4,
'sda.reads_milliseconds' : 4.0,
'sda.writes' : 3.4,
'sda.writes_merged' : 1.3,
'sda.writes_kbytes' : 18.8,
'sda.writes_milliseconds' : 10.0,
'sda.io_milliseconds' : 9.0,
'sda.io_milliseconds_weighted' : 14.0,
'md0.reads' : 0.0,
'md0.reads_merged' : 0.0,
'md0.reads_kbytes' : 0.0,
'md0.reads_milliseconds' : 0.0,
'md0.writes' : 8.6,
'md0.writes_merged' : 0.0,
'md0.writes_kbytes' : 34.4,
'md0.writes_milliseconds' : 0.0,
'md0.io_milliseconds' : 0.0,
'md0.io_milliseconds_weighted' : 0.0,
})
def test_get_file_systems(self, open_mock):
result = None
open_mock.return_value = StringIO("""
rootfs / rootfs rw 0 0
none /sys sysfs rw,nosuid,nodev,noexec,relatime 0 0
none /proc proc rw,nosuid,nodev,noexec,relatime 0 0
none /dev devtmpfs rw,relatime,size=24769364k,nr_inodes=6192341,mode=755 0 0
none /dev/pts devpts rw,nosuid,noexec,relatime,gid=5,mode=620,ptmxmode=000 0 0
fusectl /sys/fs/fuse/connections fusectl rw,relatime 0 0
/dev/disk/by-uuid/81969733-a724-4651-9cf5-64970f86daba / ext3 rw,relatime,errors=continue,barrier=0,data=ordered 0 0
none /sys/kernel/debug debugfs rw,relatime 0 0
none /sys/kernel/security securityfs rw,relatime 0 0
none /dev/shm tmpfs rw,nosuid,nodev,relatime 0 0
none /var/run tmpfs rw,nosuid,relatime,mode=755 0 0
none /var/lock tmpfs rw,nosuid,nodev,noexec,relatime 0 0
""".strip())
with nested(patch('os.stat'), patch('os.major'),
patch('os.minor')) as (os_stat_mock, os_major_mock,
os_minor_mock):
os_stat_mock.return_value.st_dev = 42
os_major_mock.return_value = 9
os_minor_mock.return_value = 0
result = disk.get_file_systems()
os_stat_mock.assert_called_once_with('/')
os_major_mock.assert_called_once_with(42)
os_minor_mock.assert_called_once_with(42)
self.assertEqual(
result, {
(9, 0):
('/dev/disk/by-uuid/81969733-a724-4651-9cf5-64970f86daba',
'/')
})
open_mock.assert_called_once_with('/proc/mounts')
return result
def test_get_file_systems(self, open_mock):
result = None
open_mock.return_value = StringIO("""
rootfs / rootfs rw 0 0
none /sys sysfs rw,nosuid,nodev,noexec,relatime 0 0
none /proc proc rw,nosuid,nodev,noexec,relatime 0 0
none /dev devtmpfs rw,relatime,size=24769364k,nr_inodes=6192341,mode=755 0 0
none /dev/pts devpts rw,nosuid,noexec,relatime,gid=5,mode=620,ptmxmode=000 0 0
fusectl /sys/fs/fuse/connections fusectl rw,relatime 0 0
/dev/disk/by-uuid/81969733-a724-4651-9cf5-64970f86daba / ext3 rw,relatime,errors=continue,barrier=0,data=ordered 0 0
none /sys/kernel/debug debugfs rw,relatime 0 0
none /sys/kernel/security securityfs rw,relatime 0 0
none /dev/shm tmpfs rw,nosuid,nodev,relatime 0 0
none /var/run tmpfs rw,nosuid,relatime,mode=755 0 0
none /var/lock tmpfs rw,nosuid,nodev,noexec,relatime 0 0
""".strip())
with nested(
patch('os.stat'), patch('os.major'), patch('os.minor')
) as (os_stat_mock, os_major_mock, os_minor_mock):
os_stat_mock.return_value.st_dev = 42
os_major_mock.return_value = 9
os_minor_mock.return_value = 0
result = disk.get_file_systems()
os_stat_mock.assert_called_once_with('/')
os_major_mock.assert_called_once_with(42)
os_minor_mock.assert_called_once_with(42)
self.assertEqual(result, {
(9, 0) : ('/dev/disk/by-uuid/81969733-a724-4651-9cf5-64970f86daba', '/')
})
open_mock.assert_called_once_with('/proc/mounts')
return result
def test_should_work_with_real_data(self, publish_mock):
with nested(
patch('os.stat'),
patch('os.major', Mock(return_value = 9)),
patch('os.minor', Mock(return_value = 0)),
patch('__builtin__.open', Mock(return_value = self.getFixture('proc_mounts')))
):
file_systems = disk.get_file_systems()
with patch('__builtin__.open', Mock(return_value = self.getFixture('proc_diskstats_1'))):
disk_statistics_1 = disk.get_disk_statistics()
with patch('__builtin__.open', Mock(return_value = self.getFixture('proc_diskstats_2'))):
disk_statistics_2 = disk.get_disk_statistics()
with nested(
patch('disk.get_file_systems', Mock(return_value = file_systems)),
patch('disk.get_disk_statistics', Mock(return_value = disk_statistics_1)),
patch('time.time', Mock(return_value = 10))
):
self.collector.collect()
self.assertPublishedMany(publish_mock, {})
with nested(
patch('disk.get_file_systems', Mock(return_value = file_systems)),
patch('disk.get_disk_statistics', Mock(return_value = disk_statistics_2)),
patch('time.time', Mock(return_value = 20))
):
self.collector.collect()
self.assertPublishedMany(publish_mock, {
'sda.average_queue_length': 0.0,
'sda.average_request_size_kilobyte': 10.7,
'sda.await': 0.0,
'sda.concurrent_io': 0.0,
'sda.io': 0.3,
'sda.io_in_progress': 0.0,
'sda.io_milliseconds': 0.0,
'sda.io_milliseconds_weighted': 0.0,
'sda.iops': 0.03,
'sda.read_kilobyte_per_second': 0.0,
'sda.read_requests_merged_per_second': 0.0,
'sda.reads': 0.0,
'sda.reads_kilobyte': 0.0,
'sda.reads_merged': 0.0,
'sda.reads_milliseconds': 0.0,
'sda.reads_per_second': 0.0,
'sda.service_time': 0.0,
'sda.util_percentage': 0.0,
'sda.write_kilobyte_per_second': 0.32,
'sda.write_requests_merged_per_second': 0.05,
'sda.writes': 0.3,
'sda.writes_kilobyte': 3.2,
'sda.writes_merged': 0.5,
'sda.writes_milliseconds': 0.0,
'sda.writes_per_second': 0.03,
'sdb.average_queue_length': 49570.0,
'sdb.average_request_size_kilobyte': 6.3,
'sdb.await': 0.8,
'sdb.concurrent_io': 0.05,
'sdb.io': 921.4,
'sdb.io_in_progress': 0,
'sdb.io_milliseconds': 495.7,
'sdb.io_milliseconds_weighted': 749.2,
'sdb.iops': 92.14,
'sdb.read_kilobyte_per_second': 186.24,
'sdb.read_requests_merged_per_second': 0.0,
'sdb.reads': 116.4,
'sdb.reads_kilobyte': 1862.4,
'sdb.reads_merged': 0.0,
'sdb.reads_milliseconds': 716.3,
'sdb.reads_per_second': 11.64,
'sdb.service_time': 0.5,
'sdb.util_percentage': 49.57,
'sdb.write_kilobyte_per_second': 391.43,
'sdb.write_requests_merged_per_second': 20.17,
'sdb.writes': 805.0,
'sdb.writes_kilobyte': 3914.3,
'sdb.writes_merged': 201.7,
'sdb.writes_milliseconds': 33.7,
'sdb.writes_per_second': 80.5,
})