package lustre2 import ( "io/ioutil" "os" "testing" "github.com/influxdata/telegraf/testutil" "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 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] ` 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) 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) }