diff options
author | Christopher Speller <crspeller@gmail.com> | 2018-01-29 14:17:40 -0800 |
---|---|---|
committer | GitHub <noreply@github.com> | 2018-01-29 14:17:40 -0800 |
commit | 961c04cae992eadb42d286d2f85f8a675bdc68c8 (patch) | |
tree | 3408f2d06f847e966c53485e2d54c692cdd037c1 /vendor/github.com/prometheus/procfs/nfs | |
parent | 8d66523ba7d9a77129844be476732ebfd5272d64 (diff) | |
download | chat-961c04cae992eadb42d286d2f85f8a675bdc68c8.tar.gz chat-961c04cae992eadb42d286d2f85f8a675bdc68c8.tar.bz2 chat-961c04cae992eadb42d286d2f85f8a675bdc68c8.zip |
Upgrading server dependancies (#8154)
Diffstat (limited to 'vendor/github.com/prometheus/procfs/nfs')
-rw-r--r-- | vendor/github.com/prometheus/procfs/nfs/nfs.go | 263 | ||||
-rw-r--r-- | vendor/github.com/prometheus/procfs/nfs/parse.go | 308 | ||||
-rw-r--r-- | vendor/github.com/prometheus/procfs/nfs/parse_nfs.go | 67 | ||||
-rw-r--r-- | vendor/github.com/prometheus/procfs/nfs/parse_nfs_test.go | 180 | ||||
-rw-r--r-- | vendor/github.com/prometheus/procfs/nfs/parse_nfsd.go | 89 | ||||
-rw-r--r-- | vendor/github.com/prometheus/procfs/nfs/parse_nfsd_test.go | 196 |
6 files changed, 1103 insertions, 0 deletions
diff --git a/vendor/github.com/prometheus/procfs/nfs/nfs.go b/vendor/github.com/prometheus/procfs/nfs/nfs.go new file mode 100644 index 000000000..e2185b782 --- /dev/null +++ b/vendor/github.com/prometheus/procfs/nfs/nfs.go @@ -0,0 +1,263 @@ +// Copyright 2018 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +// Package nfsd implements parsing of /proc/net/rpc/nfsd. +// Fields are documented in https://www.svennd.be/nfsd-stats-explained-procnetrpcnfsd/ +package nfs + +// ReplyCache models the "rc" line. +type ReplyCache struct { + Hits uint64 + Misses uint64 + NoCache uint64 +} + +// FileHandles models the "fh" line. +type FileHandles struct { + Stale uint64 + TotalLookups uint64 + AnonLookups uint64 + DirNoCache uint64 + NoDirNoCache uint64 +} + +// InputOutput models the "io" line. +type InputOutput struct { + Read uint64 + Write uint64 +} + +// Threads models the "th" line. +type Threads struct { + Threads uint64 + FullCnt uint64 +} + +// ReadAheadCache models the "ra" line. +type ReadAheadCache struct { + CacheSize uint64 + CacheHistogram []uint64 + NotFound uint64 +} + +// Network models the "net" line. +type Network struct { + NetCount uint64 + UDPCount uint64 + TCPCount uint64 + TCPConnect uint64 +} + +// ClientRPC models the nfs "rpc" line. +type ClientRPC struct { + RPCCount uint64 + Retransmissions uint64 + AuthRefreshes uint64 +} + +// ServerRPC models the nfsd "rpc" line. +type ServerRPC struct { + RPCCount uint64 + BadCnt uint64 + BadFmt uint64 + BadAuth uint64 + BadcInt uint64 +} + +// V2Stats models the "proc2" line. +type V2Stats struct { + Null uint64 + GetAttr uint64 + SetAttr uint64 + Root uint64 + Lookup uint64 + ReadLink uint64 + Read uint64 + WrCache uint64 + Write uint64 + Create uint64 + Remove uint64 + Rename uint64 + Link uint64 + SymLink uint64 + MkDir uint64 + RmDir uint64 + ReadDir uint64 + FsStat uint64 +} + +// V3Stats models the "proc3" line. +type V3Stats struct { + Null uint64 + GetAttr uint64 + SetAttr uint64 + Lookup uint64 + Access uint64 + ReadLink uint64 + Read uint64 + Write uint64 + Create uint64 + MkDir uint64 + SymLink uint64 + MkNod uint64 + Remove uint64 + RmDir uint64 + Rename uint64 + Link uint64 + ReadDir uint64 + ReadDirPlus uint64 + FsStat uint64 + FsInfo uint64 + PathConf uint64 + Commit uint64 +} + +// ClientV4Stats models the nfs "proc4" line. +type ClientV4Stats struct { + Null uint64 + Read uint64 + Write uint64 + Commit uint64 + Open uint64 + OpenConfirm uint64 + OpenNoattr uint64 + OpenDowngrade uint64 + Close uint64 + Setattr uint64 + FsInfo uint64 + Renew uint64 + SetClientId uint64 + SetClientIdConfirm uint64 + Lock uint64 + Lockt uint64 + Locku uint64 + Access uint64 + Getattr uint64 + Lookup uint64 + LookupRoot uint64 + Remove uint64 + Rename uint64 + Link uint64 + Symlink uint64 + Create uint64 + Pathconf uint64 + StatFs uint64 + ReadLink uint64 + ReadDir uint64 + ServerCaps uint64 + DelegReturn uint64 + GetAcl uint64 + SetAcl uint64 + FsLocations uint64 + ReleaseLockowner uint64 + Secinfo uint64 + FsidPresent uint64 + ExchangeId uint64 + CreateSession uint64 + DestroySession uint64 + Sequence uint64 + GetLeaseTime uint64 + ReclaimComplete uint64 + LayoutGet uint64 + GetDeviceInfo uint64 + LayoutCommit uint64 + LayoutReturn uint64 + SecinfoNoName uint64 + TestStateId uint64 + FreeStateId uint64 + GetDeviceList uint64 + BindConnToSession uint64 + DestroyClientId uint64 + Seek uint64 + Allocate uint64 + DeAllocate uint64 + LayoutStats uint64 + Clone uint64 +} + +// ServerV4Stats models the nfsd "proc4" line. +type ServerV4Stats struct { + Null uint64 + Compound uint64 +} + +// V4Ops models the "proc4ops" line: NFSv4 operations +// Variable list, see: +// v4.0 https://tools.ietf.org/html/rfc3010 (38 operations) +// v4.1 https://tools.ietf.org/html/rfc5661 (58 operations) +// v4.2 https://tools.ietf.org/html/draft-ietf-nfsv4-minorversion2-41 (71 operations) +type V4Ops struct { + //Values uint64 // Variable depending on v4.x sub-version. TODO: Will this always at least include the fields in this struct? + Op0Unused uint64 + Op1Unused uint64 + Op2Future uint64 + Access uint64 + Close uint64 + Commit uint64 + Create uint64 + DelegPurge uint64 + DelegReturn uint64 + GetAttr uint64 + GetFH uint64 + Link uint64 + Lock uint64 + Lockt uint64 + Locku uint64 + Lookup uint64 + LookupRoot uint64 + Nverify uint64 + Open uint64 + OpenAttr uint64 + OpenConfirm uint64 + OpenDgrd uint64 + PutFH uint64 + PutPubFH uint64 + PutRootFH uint64 + Read uint64 + ReadDir uint64 + ReadLink uint64 + Remove uint64 + Rename uint64 + Renew uint64 + RestoreFH uint64 + SaveFH uint64 + SecInfo uint64 + SetAttr uint64 + Verify uint64 + Write uint64 + RelLockOwner uint64 +} + +// RPCStats models all stats from /proc/net/rpc/nfs. +type ClientRPCStats struct { + Network Network + ClientRPC ClientRPC + V2Stats V2Stats + V3Stats V3Stats + ClientV4Stats ClientV4Stats +} + +// ServerRPCStats models all stats from /proc/net/rpc/nfsd. +type ServerRPCStats struct { + ReplyCache ReplyCache + FileHandles FileHandles + InputOutput InputOutput + Threads Threads + ReadAheadCache ReadAheadCache + Network Network + ServerRPC ServerRPC + V2Stats V2Stats + V3Stats V3Stats + ServerV4Stats ServerV4Stats + V4Ops V4Ops +} diff --git a/vendor/github.com/prometheus/procfs/nfs/parse.go b/vendor/github.com/prometheus/procfs/nfs/parse.go new file mode 100644 index 000000000..3aa32563a --- /dev/null +++ b/vendor/github.com/prometheus/procfs/nfs/parse.go @@ -0,0 +1,308 @@ +// Copyright 2018 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package nfs + +import ( + "fmt" +) + +func parseReplyCache(v []uint64) (ReplyCache, error) { + if len(v) != 3 { + return ReplyCache{}, fmt.Errorf("invalid ReplyCache line %q", v) + } + + return ReplyCache{ + Hits: v[0], + Misses: v[1], + NoCache: v[2], + }, nil +} + +func parseFileHandles(v []uint64) (FileHandles, error) { + if len(v) != 5 { + return FileHandles{}, fmt.Errorf("invalid FileHandles, line %q", v) + } + + return FileHandles{ + Stale: v[0], + TotalLookups: v[1], + AnonLookups: v[2], + DirNoCache: v[3], + NoDirNoCache: v[4], + }, nil +} + +func parseInputOutput(v []uint64) (InputOutput, error) { + if len(v) != 2 { + return InputOutput{}, fmt.Errorf("invalid InputOutput line %q", v) + } + + return InputOutput{ + Read: v[0], + Write: v[1], + }, nil +} + +func parseThreads(v []uint64) (Threads, error) { + if len(v) != 2 { + return Threads{}, fmt.Errorf("invalid Threads line %q", v) + } + + return Threads{ + Threads: v[0], + FullCnt: v[1], + }, nil +} + +func parseReadAheadCache(v []uint64) (ReadAheadCache, error) { + if len(v) != 12 { + return ReadAheadCache{}, fmt.Errorf("invalid ReadAheadCache line %q", v) + } + + return ReadAheadCache{ + CacheSize: v[0], + CacheHistogram: v[1:11], + NotFound: v[11], + }, nil +} + +func parseNetwork(v []uint64) (Network, error) { + if len(v) != 4 { + return Network{}, fmt.Errorf("invalid Network line %q", v) + } + + return Network{ + NetCount: v[0], + UDPCount: v[1], + TCPCount: v[2], + TCPConnect: v[3], + }, nil +} + +func parseServerRPC(v []uint64) (ServerRPC, error) { + if len(v) != 5 { + return ServerRPC{}, fmt.Errorf("invalid RPC line %q", v) + } + + return ServerRPC{ + RPCCount: v[0], + BadCnt: v[1], + BadFmt: v[2], + BadAuth: v[3], + BadcInt: v[4], + }, nil +} + +func parseClientRPC(v []uint64) (ClientRPC, error) { + if len(v) != 3 { + return ClientRPC{}, fmt.Errorf("invalid RPC line %q", v) + } + + return ClientRPC{ + RPCCount: v[0], + Retransmissions: v[1], + AuthRefreshes: v[2], + }, nil +} + +func parseV2Stats(v []uint64) (V2Stats, error) { + values := int(v[0]) + if len(v[1:]) != values || values != 18 { + return V2Stats{}, fmt.Errorf("invalid V2Stats line %q", v) + } + + return V2Stats{ + Null: v[1], + GetAttr: v[2], + SetAttr: v[3], + Root: v[4], + Lookup: v[5], + ReadLink: v[6], + Read: v[7], + WrCache: v[8], + Write: v[9], + Create: v[10], + Remove: v[11], + Rename: v[12], + Link: v[13], + SymLink: v[14], + MkDir: v[15], + RmDir: v[16], + ReadDir: v[17], + FsStat: v[18], + }, nil +} + +func parseV3Stats(v []uint64) (V3Stats, error) { + values := int(v[0]) + if len(v[1:]) != values || values != 22 { + return V3Stats{}, fmt.Errorf("invalid V3Stats line %q", v) + } + + return V3Stats{ + Null: v[1], + GetAttr: v[2], + SetAttr: v[3], + Lookup: v[4], + Access: v[5], + ReadLink: v[6], + Read: v[7], + Write: v[8], + Create: v[9], + MkDir: v[10], + SymLink: v[11], + MkNod: v[12], + Remove: v[13], + RmDir: v[14], + Rename: v[15], + Link: v[16], + ReadDir: v[17], + ReadDirPlus: v[18], + FsStat: v[19], + FsInfo: v[20], + PathConf: v[21], + Commit: v[22], + }, nil +} + +func parseClientV4Stats(v []uint64) (ClientV4Stats, error) { + values := int(v[0]) + if len(v[1:]) != values || values < 59 { + return ClientV4Stats{}, fmt.Errorf("invalid V4Stats line %q", v) + } + + return ClientV4Stats{ + Null: v[1], + Read: v[2], + Write: v[3], + Commit: v[4], + Open: v[5], + OpenConfirm: v[6], + OpenNoattr: v[7], + OpenDowngrade: v[8], + Close: v[9], + Setattr: v[10], + FsInfo: v[11], + Renew: v[12], + SetClientId: v[13], + SetClientIdConfirm: v[14], + Lock: v[15], + Lockt: v[16], + Locku: v[17], + Access: v[18], + Getattr: v[19], + Lookup: v[20], + LookupRoot: v[21], + Remove: v[22], + Rename: v[23], + Link: v[24], + Symlink: v[25], + Create: v[26], + Pathconf: v[27], + StatFs: v[28], + ReadLink: v[29], + ReadDir: v[30], + ServerCaps: v[31], + DelegReturn: v[32], + GetAcl: v[33], + SetAcl: v[34], + FsLocations: v[35], + ReleaseLockowner: v[36], + Secinfo: v[37], + FsidPresent: v[38], + ExchangeId: v[39], + CreateSession: v[40], + DestroySession: v[41], + Sequence: v[42], + GetLeaseTime: v[43], + ReclaimComplete: v[44], + LayoutGet: v[45], + GetDeviceInfo: v[46], + LayoutCommit: v[47], + LayoutReturn: v[48], + SecinfoNoName: v[49], + TestStateId: v[50], + FreeStateId: v[51], + GetDeviceList: v[52], + BindConnToSession: v[53], + DestroyClientId: v[54], + Seek: v[55], + Allocate: v[56], + DeAllocate: v[57], + LayoutStats: v[58], + Clone: v[59], + }, nil +} + +func parseServerV4Stats(v []uint64) (ServerV4Stats, error) { + values := int(v[0]) + if len(v[1:]) != values || values != 2 { + return ServerV4Stats{}, fmt.Errorf("invalid V4Stats line %q", v) + } + + return ServerV4Stats{ + Null: v[1], + Compound: v[2], + }, nil +} + +func parseV4Ops(v []uint64) (V4Ops, error) { + values := int(v[0]) + if len(v[1:]) != values || values < 39 { + return V4Ops{}, fmt.Errorf("invalid V4Ops line %q", v) + } + + stats := V4Ops{ + Op0Unused: v[1], + Op1Unused: v[2], + Op2Future: v[3], + Access: v[4], + Close: v[5], + Commit: v[6], + Create: v[7], + DelegPurge: v[8], + DelegReturn: v[9], + GetAttr: v[10], + GetFH: v[11], + Link: v[12], + Lock: v[13], + Lockt: v[14], + Locku: v[15], + Lookup: v[16], + LookupRoot: v[17], + Nverify: v[18], + Open: v[19], + OpenAttr: v[20], + OpenConfirm: v[21], + OpenDgrd: v[22], + PutFH: v[23], + PutPubFH: v[24], + PutRootFH: v[25], + Read: v[26], + ReadDir: v[27], + ReadLink: v[28], + Remove: v[29], + Rename: v[30], + Renew: v[31], + RestoreFH: v[32], + SaveFH: v[33], + SecInfo: v[34], + SetAttr: v[35], + Verify: v[36], + Write: v[37], + RelLockOwner: v[38], + } + + return stats, nil +} diff --git a/vendor/github.com/prometheus/procfs/nfs/parse_nfs.go b/vendor/github.com/prometheus/procfs/nfs/parse_nfs.go new file mode 100644 index 000000000..b5c0b15f3 --- /dev/null +++ b/vendor/github.com/prometheus/procfs/nfs/parse_nfs.go @@ -0,0 +1,67 @@ +// Copyright 2018 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package nfs + +import ( + "bufio" + "fmt" + "io" + "strings" + + "github.com/prometheus/procfs/internal/util" +) + +// ParseClientRPCStats returns stats read from /proc/net/rpc/nfs +func ParseClientRPCStats(r io.Reader) (*ClientRPCStats, error) { + stats := &ClientRPCStats{} + + scanner := bufio.NewScanner(r) + for scanner.Scan() { + line := scanner.Text() + parts := strings.Fields(scanner.Text()) + // require at least <key> <value> + if len(parts) < 2 { + return nil, fmt.Errorf("invalid NFSd metric line %q", line) + } + + values, err := util.ParseUint64s(parts[1:]) + if err != nil { + return nil, fmt.Errorf("error parsing NFSd metric line: %s", err) + } + + switch metricLine := parts[0]; metricLine { + case "net": + stats.Network, err = parseNetwork(values) + case "rpc": + stats.ClientRPC, err = parseClientRPC(values) + case "proc2": + stats.V2Stats, err = parseV2Stats(values) + case "proc3": + stats.V3Stats, err = parseV3Stats(values) + case "proc4": + stats.ClientV4Stats, err = parseClientV4Stats(values) + default: + return nil, fmt.Errorf("unknown NFSd metric line %q", metricLine) + } + if err != nil { + return nil, fmt.Errorf("errors parsing NFSd metric line: %s", err) + } + } + + if err := scanner.Err(); err != nil { + return nil, fmt.Errorf("error scanning NFSd file: %s", err) + } + + return stats, nil +} diff --git a/vendor/github.com/prometheus/procfs/nfs/parse_nfs_test.go b/vendor/github.com/prometheus/procfs/nfs/parse_nfs_test.go new file mode 100644 index 000000000..d821f1b4c --- /dev/null +++ b/vendor/github.com/prometheus/procfs/nfs/parse_nfs_test.go @@ -0,0 +1,180 @@ +// Copyright 2018 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package nfs_test + +import ( + "reflect" + "strings" + "testing" + + "github.com/prometheus/procfs/nfs" +) + +func TestNewNFSdClientRPCStats(t *testing.T) { + tests := []struct { + name string + content string + stats *nfs.ClientRPCStats + invalid bool + }{ + { + name: "invalid file", + content: "invalid", + invalid: true, + }, { + name: "good file", + content: `net 18628 0 18628 6 +rpc 4329785 0 4338291 +proc2 18 2 69 0 0 4410 0 0 0 0 0 0 0 0 0 0 0 99 2 +proc3 22 1 4084749 29200 94754 32580 186 47747 7981 8639 0 6356 0 6962 0 7958 0 0 241 4 4 2 39 +proc4 61 1 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 +`, + stats: &nfs.ClientRPCStats{ + Network: nfs.Network{ + NetCount: 18628, + UDPCount: 0, + TCPCount: 18628, + TCPConnect: 6, + }, + ClientRPC: nfs.ClientRPC{ + RPCCount: 4329785, + Retransmissions: 0, + AuthRefreshes: 4338291, + }, + V2Stats: nfs.V2Stats{ + Null: 2, + GetAttr: 69, + SetAttr: 0, + Root: 0, + Lookup: 4410, + ReadLink: 0, + Read: 0, + WrCache: 0, + Write: 0, + Create: 0, + Remove: 0, + Rename: 0, + Link: 0, + SymLink: 0, + MkDir: 0, + RmDir: 0, + ReadDir: 99, + FsStat: 2, + }, + V3Stats: nfs.V3Stats{ + Null: 1, + GetAttr: 4084749, + SetAttr: 29200, + Lookup: 94754, + Access: 32580, + ReadLink: 186, + Read: 47747, + Write: 7981, + Create: 8639, + MkDir: 0, + SymLink: 6356, + MkNod: 0, + Remove: 6962, + RmDir: 0, + Rename: 7958, + Link: 0, + ReadDir: 0, + ReadDirPlus: 241, + FsStat: 4, + FsInfo: 4, + PathConf: 2, + Commit: 39, + }, + ClientV4Stats: nfs.ClientV4Stats{ + Null: 1, + Read: 0, + Write: 0, + Commit: 0, + Open: 0, + OpenConfirm: 0, + OpenNoattr: 0, + OpenDowngrade: 0, + Close: 0, + Setattr: 0, + FsInfo: 0, + Renew: 0, + SetClientId: 1, + SetClientIdConfirm: 1, + Lock: 0, + Lockt: 0, + Locku: 0, + Access: 0, + Getattr: 0, + Lookup: 0, + LookupRoot: 0, + Remove: 2, + Rename: 0, + Link: 0, + Symlink: 0, + Create: 0, + Pathconf: 0, + StatFs: 0, + ReadLink: 0, + ReadDir: 0, + ServerCaps: 0, + DelegReturn: 0, + GetAcl: 0, + SetAcl: 0, + FsLocations: 0, + ReleaseLockowner: 0, + Secinfo: 0, + FsidPresent: 0, + ExchangeId: 0, + CreateSession: 0, + DestroySession: 0, + Sequence: 0, + GetLeaseTime: 0, + ReclaimComplete: 0, + LayoutGet: 0, + GetDeviceInfo: 0, + LayoutCommit: 0, + LayoutReturn: 0, + SecinfoNoName: 0, + TestStateId: 0, + FreeStateId: 0, + GetDeviceList: 0, + BindConnToSession: 0, + DestroyClientId: 0, + Seek: 0, + Allocate: 0, + DeAllocate: 0, + LayoutStats: 0, + Clone: 0, + }, + }, + }, + } + + for _, tt := range tests { + t.Run(tt.name, func(t *testing.T) { + stats, err := nfs.ParseClientRPCStats(strings.NewReader(tt.content)) + + if tt.invalid && err == nil { + t.Fatal("expected an error, but none occurred") + } + if !tt.invalid && err != nil { + t.Fatalf("unexpected error: %v", err) + } + + if want, have := tt.stats, stats; !reflect.DeepEqual(want, have) { + t.Fatalf("unexpected NFS stats:\nwant:\n%v\nhave:\n%v", want, have) + } + }) + } +} diff --git a/vendor/github.com/prometheus/procfs/nfs/parse_nfsd.go b/vendor/github.com/prometheus/procfs/nfs/parse_nfsd.go new file mode 100644 index 000000000..57bb4a358 --- /dev/null +++ b/vendor/github.com/prometheus/procfs/nfs/parse_nfsd.go @@ -0,0 +1,89 @@ +// Copyright 2018 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package nfs + +import ( + "bufio" + "fmt" + "io" + "strings" + + "github.com/prometheus/procfs/internal/util" +) + +// ParseServerRPCStats returns stats read from /proc/net/rpc/nfsd +func ParseServerRPCStats(r io.Reader) (*ServerRPCStats, error) { + stats := &ServerRPCStats{} + + scanner := bufio.NewScanner(r) + for scanner.Scan() { + line := scanner.Text() + parts := strings.Fields(scanner.Text()) + // require at least <key> <value> + if len(parts) < 2 { + return nil, fmt.Errorf("invalid NFSd metric line %q", line) + } + label := parts[0] + + var values []uint64 + var err error + if label == "th" { + if len(parts) < 3 { + return nil, fmt.Errorf("invalid NFSd th metric line %q", line) + } + values, err = util.ParseUint64s(parts[1:3]) + } else { + values, err = util.ParseUint64s(parts[1:]) + } + if err != nil { + return nil, fmt.Errorf("error parsing NFSd metric line: %s", err) + } + + switch metricLine := parts[0]; metricLine { + case "rc": + stats.ReplyCache, err = parseReplyCache(values) + case "fh": + stats.FileHandles, err = parseFileHandles(values) + case "io": + stats.InputOutput, err = parseInputOutput(values) + case "th": + stats.Threads, err = parseThreads(values) + case "ra": + stats.ReadAheadCache, err = parseReadAheadCache(values) + case "net": + stats.Network, err = parseNetwork(values) + case "rpc": + stats.ServerRPC, err = parseServerRPC(values) + case "proc2": + stats.V2Stats, err = parseV2Stats(values) + case "proc3": + stats.V3Stats, err = parseV3Stats(values) + case "proc4": + stats.ServerV4Stats, err = parseServerV4Stats(values) + case "proc4ops": + stats.V4Ops, err = parseV4Ops(values) + default: + return nil, fmt.Errorf("unknown NFSd metric line %q", metricLine) + } + if err != nil { + return nil, fmt.Errorf("errors parsing NFSd metric line: %s", err) + } + } + + if err := scanner.Err(); err != nil { + return nil, fmt.Errorf("error scanning NFSd file: %s", err) + } + + return stats, nil +} diff --git a/vendor/github.com/prometheus/procfs/nfs/parse_nfsd_test.go b/vendor/github.com/prometheus/procfs/nfs/parse_nfsd_test.go new file mode 100644 index 000000000..b09b3b580 --- /dev/null +++ b/vendor/github.com/prometheus/procfs/nfs/parse_nfsd_test.go @@ -0,0 +1,196 @@ +// Copyright 2018 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package nfs_test + +import ( + "reflect" + "strings" + "testing" + + "github.com/prometheus/procfs/nfs" +) + +func TestNewNFSdServerRPCStats(t *testing.T) { + tests := []struct { + name string + content string + stats *nfs.ServerRPCStats + invalid bool + }{ + { + name: "invalid file", + content: "invalid", + invalid: true, + }, { + name: "good file", + content: `rc 0 6 18622 +fh 0 0 0 0 0 +io 157286400 0 +th 8 0 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 +ra 32 0 0 0 0 0 0 0 0 0 0 0 +net 18628 0 18628 6 +rpc 18628 0 0 0 0 +proc2 18 2 69 0 0 4410 0 0 0 0 0 0 0 0 0 0 0 99 2 +proc3 22 2 112 0 2719 111 0 0 0 0 0 0 0 0 0 0 0 27 216 0 2 1 0 +proc4 2 2 10853 +proc4ops 72 0 0 0 1098 2 0 0 0 0 8179 5896 0 0 0 0 5900 0 0 2 0 2 0 9609 0 2 150 1272 0 0 0 1236 0 0 0 0 3 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 +`, + stats: &nfs.ServerRPCStats{ + ReplyCache: nfs.ReplyCache{ + Hits: 0, + Misses: 6, + NoCache: 18622, + }, + FileHandles: nfs.FileHandles{ + Stale: 0, + TotalLookups: 0, + AnonLookups: 0, + DirNoCache: 0, + NoDirNoCache: 0, + }, + InputOutput: nfs.InputOutput{ + Read: 157286400, + Write: 0, + }, + Threads: nfs.Threads{ + Threads: 8, + FullCnt: 0, + }, + ReadAheadCache: nfs.ReadAheadCache{ + CacheSize: 32, + CacheHistogram: []uint64{0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, + NotFound: 0, + }, + Network: nfs.Network{ + NetCount: 18628, + UDPCount: 0, + TCPCount: 18628, + TCPConnect: 6, + }, + ServerRPC: nfs.ServerRPC{ + RPCCount: 18628, + BadCnt: 0, + BadFmt: 0, + BadAuth: 0, + BadcInt: 0, + }, + V2Stats: nfs.V2Stats{ + Null: 2, + GetAttr: 69, + SetAttr: 0, + Root: 0, + Lookup: 4410, + ReadLink: 0, + Read: 0, + WrCache: 0, + Write: 0, + Create: 0, + Remove: 0, + Rename: 0, + Link: 0, + SymLink: 0, + MkDir: 0, + RmDir: 0, + ReadDir: 99, + FsStat: 2, + }, + V3Stats: nfs.V3Stats{ + Null: 2, + GetAttr: 112, + SetAttr: 0, + Lookup: 2719, + Access: 111, + ReadLink: 0, + Read: 0, + Write: 0, + Create: 0, + MkDir: 0, + SymLink: 0, + MkNod: 0, + Remove: 0, + RmDir: 0, + Rename: 0, + Link: 0, + ReadDir: 27, + ReadDirPlus: 216, + FsStat: 0, + FsInfo: 2, + PathConf: 1, + Commit: 0, + }, + ServerV4Stats: nfs.ServerV4Stats{ + Null: 2, + Compound: 10853, + }, + V4Ops: nfs.V4Ops{ + Op0Unused: 0, + Op1Unused: 0, + Op2Future: 0, + Access: 1098, + Close: 2, + Commit: 0, + Create: 0, + DelegPurge: 0, + DelegReturn: 0, + GetAttr: 8179, + GetFH: 5896, + Link: 0, + Lock: 0, + Lockt: 0, + Locku: 0, + Lookup: 5900, + LookupRoot: 0, + Nverify: 0, + Open: 2, + OpenAttr: 0, + OpenConfirm: 2, + OpenDgrd: 0, + PutFH: 9609, + PutPubFH: 0, + PutRootFH: 2, + Read: 150, + ReadDir: 1272, + ReadLink: 0, + Remove: 0, + Rename: 0, + Renew: 1236, + RestoreFH: 0, + SaveFH: 0, + SecInfo: 0, + SetAttr: 0, + Verify: 3, + Write: 3, + RelLockOwner: 0, + }, + }, + }, + } + + for _, tt := range tests { + t.Run(tt.name, func(t *testing.T) { + stats, err := nfs.ParseServerRPCStats(strings.NewReader(tt.content)) + + if tt.invalid && err == nil { + t.Fatal("expected an error, but none occurred") + } + if !tt.invalid && err != nil { + t.Fatalf("unexpected error: %v", err) + } + + if want, have := tt.stats, stats; !reflect.DeepEqual(want, have) { + t.Fatalf("unexpected NFS stats:\nwant:\n%v\nhave:\n%v", want, have) + } + }) + } +} |