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lustre2_test.go
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// +build !windows
package lustre2
import (
"io/ioutil"
"os"
"testing"
"github.com/influxdata/telegraf/testutil"
"github.com/influxdata/toml"
"github.com/influxdata/toml/ast"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
// Set config file variables to point to fake directory structure instead of /proc?
const obdfilterProcContents = `snapshot_time 1438693064.430544 secs.usecs
read_bytes 203238095 samples [bytes] 4096 1048576 78026117632000
write_bytes 71893382 samples [bytes] 1 1048576 15201500833981
get_info 1182008495 samples [reqs]
set_info_async 2 samples [reqs]
connect 1117 samples [reqs]
reconnect 1160 samples [reqs]
disconnect 1084 samples [reqs]
statfs 3575885 samples [reqs]
create 698 samples [reqs]
destroy 3190060 samples [reqs]
setattr 605647 samples [reqs]
punch 805187 samples [reqs]
sync 6608753 samples [reqs]
preprw 275131477 samples [reqs]
commitrw 275131477 samples [reqs]
quotactl 229231 samples [reqs]
ping 78020757 samples [reqs]
`
const osdldiskfsProcContents = `snapshot_time 1438693135.640551 secs.usecs
get_page 275132812 samples [usec] 0 3147 1320420955 22041662259
cache_access 19047063027 samples [pages] 1 1 19047063027
cache_hit 7393729777 samples [pages] 1 1 7393729777
cache_miss 11653333250 samples [pages] 1 1 11653333250
`
const obdfilterJobStatsContents = `job_stats:
- job_id: cluster-testjob1
snapshot_time: 1461772761
read_bytes: { samples: 1, unit: bytes, min: 4096, max: 4096, sum: 4096 }
write_bytes: { samples: 25, unit: bytes, min: 1048576, max: 1048576, sum: 26214400 }
getattr: { samples: 0, unit: reqs }
setattr: { samples: 0, unit: reqs }
punch: { samples: 1, unit: reqs }
sync: { samples: 0, unit: reqs }
destroy: { samples: 0, unit: reqs }
create: { samples: 0, unit: reqs }
statfs: { samples: 0, unit: reqs }
get_info: { samples: 0, unit: reqs }
set_info: { samples: 0, unit: reqs }
quotactl: { samples: 0, unit: reqs }
- job_id: testjob2
snapshot_time: 1461772761
read_bytes: { samples: 1, unit: bytes, min: 1024, max: 1024, sum: 1024 }
write_bytes: { samples: 25, unit: bytes, min: 2048, max: 2048, sum: 51200 }
getattr: { samples: 0, unit: reqs }
setattr: { samples: 0, unit: reqs }
punch: { samples: 1, unit: reqs }
sync: { samples: 0, unit: reqs }
destroy: { samples: 0, unit: reqs }
create: { samples: 0, unit: reqs }
statfs: { samples: 0, unit: reqs }
get_info: { samples: 0, unit: reqs }
set_info: { samples: 0, unit: reqs }
quotactl: { samples: 0, unit: reqs }
`
const mdtProcContents = `snapshot_time 1438693238.20113 secs.usecs
open 1024577037 samples [reqs]
close 873243496 samples [reqs]
mknod 349042 samples [reqs]
link 445 samples [reqs]
unlink 3549417 samples [reqs]
mkdir 705499 samples [reqs]
rmdir 227434 samples [reqs]
rename 629196 samples [reqs]
getattr 1503663097 samples [reqs]
setattr 1898364 samples [reqs]
getxattr 6145349681 samples [reqs]
setxattr 83969 samples [reqs]
statfs 2916320 samples [reqs]
sync 434081 samples [reqs]
samedir_rename 259625 samples [reqs]
crossdir_rename 369571 samples [reqs]
`
const mdtJobStatsContents = `job_stats:
- job_id: cluster-testjob1
snapshot_time: 1461772761
open: { samples: 5, unit: reqs }
close: { samples: 4, unit: reqs }
mknod: { samples: 6, unit: reqs }
link: { samples: 8, unit: reqs }
unlink: { samples: 90, unit: reqs }
mkdir: { samples: 521, unit: reqs }
rmdir: { samples: 520, unit: reqs }
rename: { samples: 9, unit: reqs }
getattr: { samples: 11, unit: reqs }
setattr: { samples: 1, unit: reqs }
getxattr: { samples: 3, unit: reqs }
setxattr: { samples: 4, unit: reqs }
statfs: { samples: 1205, unit: reqs }
sync: { samples: 2, unit: reqs }
samedir_rename: { samples: 705, unit: reqs }
crossdir_rename: { samples: 200, unit: reqs }
- job_id: testjob2
snapshot_time: 1461772761
open: { samples: 6, unit: reqs }
close: { samples: 7, unit: reqs }
mknod: { samples: 8, unit: reqs }
link: { samples: 9, unit: reqs }
unlink: { samples: 20, unit: reqs }
mkdir: { samples: 200, unit: reqs }
rmdir: { samples: 210, unit: reqs }
rename: { samples: 8, unit: reqs }
getattr: { samples: 10, unit: reqs }
setattr: { samples: 2, unit: reqs }
getxattr: { samples: 4, unit: reqs }
setxattr: { samples: 5, unit: reqs }
statfs: { samples: 1207, unit: reqs }
sync: { samples: 3, unit: reqs }
samedir_rename: { samples: 706, unit: reqs }
crossdir_rename: { samples: 201, unit: reqs }
`
func TestLustre2GeneratesMetrics(t *testing.T) {
tempdir := os.TempDir() + "/telegraf/proc/fs/lustre/"
ost_name := "OST0001"
mdtdir := tempdir + "/mdt/"
err := os.MkdirAll(mdtdir+"/"+ost_name, 0755)
require.NoError(t, err)
osddir := tempdir + "/osd-ldiskfs/"
err = os.MkdirAll(osddir+"/"+ost_name, 0755)
require.NoError(t, err)
obddir := tempdir + "/obdfilter/"
err = os.MkdirAll(obddir+"/"+ost_name, 0755)
require.NoError(t, err)
err = ioutil.WriteFile(mdtdir+"/"+ost_name+"/md_stats", []byte(mdtProcContents), 0644)
require.NoError(t, err)
err = ioutil.WriteFile(osddir+"/"+ost_name+"/stats", []byte(osdldiskfsProcContents), 0644)
require.NoError(t, err)
err = ioutil.WriteFile(obddir+"/"+ost_name+"/stats", []byte(obdfilterProcContents), 0644)
require.NoError(t, err)
// Begin by testing standard Lustre stats
m := &Lustre2{
Ost_procfiles: []string{obddir + "/*/stats", osddir + "/*/stats"},
Mds_procfiles: []string{mdtdir + "/*/md_stats"},
}
var acc testutil.Accumulator
err = m.Gather(&acc)
require.NoError(t, err)
tags := map[string]string{
"name": ost_name,
}
fields := map[string]interface{}{
"cache_access": uint64(19047063027),
"cache_hit": uint64(7393729777),
"cache_miss": uint64(11653333250),
"close": uint64(873243496),
"crossdir_rename": uint64(369571),
"getattr": uint64(1503663097),
"getxattr": uint64(6145349681),
"link": uint64(445),
"mkdir": uint64(705499),
"mknod": uint64(349042),
"open": uint64(1024577037),
"read_bytes": uint64(78026117632000),
"read_calls": uint64(203238095),
"rename": uint64(629196),
"rmdir": uint64(227434),
"samedir_rename": uint64(259625),
"setattr": uint64(1898364),
"setxattr": uint64(83969),
"statfs": uint64(2916320),
"sync": uint64(434081),
"unlink": uint64(3549417),
"write_bytes": uint64(15201500833981),
"write_calls": uint64(71893382),
}
acc.AssertContainsTaggedFields(t, "lustre2", fields, tags)
err = os.RemoveAll(os.TempDir() + "/telegraf")
require.NoError(t, err)
}
func TestLustre2GeneratesJobstatsMetrics(t *testing.T) {
tempdir := os.TempDir() + "/telegraf/proc/fs/lustre/"
ost_name := "OST0001"
job_names := []string{"cluster-testjob1", "testjob2"}
mdtdir := tempdir + "/mdt/"
err := os.MkdirAll(mdtdir+"/"+ost_name, 0755)
require.NoError(t, err)
obddir := tempdir + "/obdfilter/"
err = os.MkdirAll(obddir+"/"+ost_name, 0755)
require.NoError(t, err)
err = ioutil.WriteFile(mdtdir+"/"+ost_name+"/job_stats", []byte(mdtJobStatsContents), 0644)
require.NoError(t, err)
err = ioutil.WriteFile(obddir+"/"+ost_name+"/job_stats", []byte(obdfilterJobStatsContents), 0644)
require.NoError(t, err)
// Test Lustre Jobstats
m := &Lustre2{
Ost_procfiles: []string{obddir + "/*/job_stats"},
Mds_procfiles: []string{mdtdir + "/*/job_stats"},
}
var acc testutil.Accumulator
err = m.Gather(&acc)
require.NoError(t, err)
// make this two tags
// and even further make this dependent on summing per OST
tags := []map[string]string{
{
"name": ost_name,
"jobid": job_names[0],
},
{
"name": ost_name,
"jobid": job_names[1],
},
}
// make this for two tags
var fields []map[string]interface{}
fields = append(fields, map[string]interface{}{
"jobstats_read_calls": uint64(1),
"jobstats_read_min_size": uint64(4096),
"jobstats_read_max_size": uint64(4096),
"jobstats_read_bytes": uint64(4096),
"jobstats_write_calls": uint64(25),
"jobstats_write_min_size": uint64(1048576),
"jobstats_write_max_size": uint64(1048576),
"jobstats_write_bytes": uint64(26214400),
"jobstats_ost_getattr": uint64(0),
"jobstats_ost_setattr": uint64(0),
"jobstats_punch": uint64(1),
"jobstats_ost_sync": uint64(0),
"jobstats_destroy": uint64(0),
"jobstats_create": uint64(0),
"jobstats_ost_statfs": uint64(0),
"jobstats_get_info": uint64(0),
"jobstats_set_info": uint64(0),
"jobstats_quotactl": uint64(0),
"jobstats_open": uint64(5),
"jobstats_close": uint64(4),
"jobstats_mknod": uint64(6),
"jobstats_link": uint64(8),
"jobstats_unlink": uint64(90),
"jobstats_mkdir": uint64(521),
"jobstats_rmdir": uint64(520),
"jobstats_rename": uint64(9),
"jobstats_getattr": uint64(11),
"jobstats_setattr": uint64(1),
"jobstats_getxattr": uint64(3),
"jobstats_setxattr": uint64(4),
"jobstats_statfs": uint64(1205),
"jobstats_sync": uint64(2),
"jobstats_samedir_rename": uint64(705),
"jobstats_crossdir_rename": uint64(200),
})
fields = append(fields, map[string]interface{}{
"jobstats_read_calls": uint64(1),
"jobstats_read_min_size": uint64(1024),
"jobstats_read_max_size": uint64(1024),
"jobstats_read_bytes": uint64(1024),
"jobstats_write_calls": uint64(25),
"jobstats_write_min_size": uint64(2048),
"jobstats_write_max_size": uint64(2048),
"jobstats_write_bytes": uint64(51200),
"jobstats_ost_getattr": uint64(0),
"jobstats_ost_setattr": uint64(0),
"jobstats_punch": uint64(1),
"jobstats_ost_sync": uint64(0),
"jobstats_destroy": uint64(0),
"jobstats_create": uint64(0),
"jobstats_ost_statfs": uint64(0),
"jobstats_get_info": uint64(0),
"jobstats_set_info": uint64(0),
"jobstats_quotactl": uint64(0),
"jobstats_open": uint64(6),
"jobstats_close": uint64(7),
"jobstats_mknod": uint64(8),
"jobstats_link": uint64(9),
"jobstats_unlink": uint64(20),
"jobstats_mkdir": uint64(200),
"jobstats_rmdir": uint64(210),
"jobstats_rename": uint64(8),
"jobstats_getattr": uint64(10),
"jobstats_setattr": uint64(2),
"jobstats_getxattr": uint64(4),
"jobstats_setxattr": uint64(5),
"jobstats_statfs": uint64(1207),
"jobstats_sync": uint64(3),
"jobstats_samedir_rename": uint64(706),
"jobstats_crossdir_rename": uint64(201),
})
for index := 0; index < len(fields); index++ {
acc.AssertContainsTaggedFields(t, "lustre2", fields[index], tags[index])
}
// run this over both tags
err = os.RemoveAll(os.TempDir() + "/telegraf")
require.NoError(t, err)
}
func TestLustre2CanParseConfiguration(t *testing.T) {
config := []byte(`
[[inputs.lustre2]]
ost_procfiles = [
"/proc/fs/lustre/obdfilter/*/stats",
"/proc/fs/lustre/osd-ldiskfs/*/stats",
]
mds_procfiles = [
"/proc/fs/lustre/mdt/*/md_stats",
]`)
table, err := toml.Parse([]byte(config))
require.NoError(t, err)
inputs, ok := table.Fields["inputs"]
require.True(t, ok)
lustre2, ok := inputs.(*ast.Table).Fields["lustre2"]
require.True(t, ok)
var plugin Lustre2
require.NoError(t, toml.UnmarshalTable(lustre2.([]*ast.Table)[0], &plugin))
assert.Equal(t, Lustre2{
Ost_procfiles: []string{
"/proc/fs/lustre/obdfilter/*/stats",
"/proc/fs/lustre/osd-ldiskfs/*/stats",
},
Mds_procfiles: []string{
"/proc/fs/lustre/mdt/*/md_stats",
},
}, plugin)
}