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This commit is contained in:
Michael 2019-07-18 21:36:05 +02:00 • committed by Traefiker Bot
parent 4dc448056c
commit 8e97af8dc3
121 changed files with 8364 additions and 3811 deletions
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101
vendor/github.com/prometheus/procfs/ipvs.go generated vendored
View file

@ -1,3 +1,16 @@
// 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 procfs
import (
@ -31,14 +44,16 @@ type IPVSStats struct {
type IPVSBackendStatus struct {
// The local (virtual) IP address.
LocalAddress net.IP
// The local (virtual) port.
LocalPort uint16
// The transport protocol (TCP, UDP).
Proto string
// The remote (real) IP address.
RemoteAddress net.IP
// The local (virtual) port.
LocalPort uint16
// The remote (real) port.
RemotePort uint16
// The local firewall mark
LocalMark string
// The transport protocol (TCP, UDP).
Proto string
// The current number of active connections for this virtual/real address pair.
ActiveConn uint64
// The current number of inactive connections for this virtual/real address pair.
@ -47,19 +62,9 @@ type IPVSBackendStatus struct {
Weight uint64
}
// NewIPVSStats reads the IPVS statistics.
func NewIPVSStats() (IPVSStats, error) {
fs, err := NewFS(DefaultMountPoint)
if err != nil {
return IPVSStats{}, err
}
return fs.NewIPVSStats()
}
// NewIPVSStats reads the IPVS statistics from the specified `proc` filesystem.
func (fs FS) NewIPVSStats() (IPVSStats, error) {
file, err := os.Open(fs.Path("net/ip_vs_stats"))
// IPVSStats reads the IPVS statistics from the specified `proc` filesystem.
func (fs FS) IPVSStats() (IPVSStats, error) {
file, err := os.Open(fs.proc.Path("net/ip_vs_stats"))
if err != nil {
return IPVSStats{}, err
}
@ -116,19 +121,9 @@ func parseIPVSStats(file io.Reader) (IPVSStats, error) {
return stats, nil
}
// NewIPVSBackendStatus reads and returns the status of all (virtual,real) server pairs.
func NewIPVSBackendStatus() ([]IPVSBackendStatus, error) {
fs, err := NewFS(DefaultMountPoint)
if err != nil {
return []IPVSBackendStatus{}, err
}
return fs.NewIPVSBackendStatus()
}
// NewIPVSBackendStatus reads and returns the status of all (virtual,real) server pairs from the specified `proc` filesystem.
func (fs FS) NewIPVSBackendStatus() ([]IPVSBackendStatus, error) {
file, err := os.Open(fs.Path("net/ip_vs"))
// IPVSBackendStatus reads and returns the status of all (virtual,real) server pairs from the specified `proc` filesystem.
func (fs FS) IPVSBackendStatus() ([]IPVSBackendStatus, error) {
file, err := os.Open(fs.proc.Path("net/ip_vs"))
if err != nil {
return nil, err
}
@ -142,13 +137,14 @@ func parseIPVSBackendStatus(file io.Reader) ([]IPVSBackendStatus, error) {
status []IPVSBackendStatus
scanner = bufio.NewScanner(file)
proto string
localMark string
localAddress net.IP
localPort uint16
err error
)
for scanner.Scan() {
fields := strings.Fields(string(scanner.Text()))
fields := strings.Fields(scanner.Text())
if len(fields) == 0 {
continue
}
@ -160,10 +156,19 @@ func parseIPVSBackendStatus(file io.Reader) ([]IPVSBackendStatus, error) {
continue
}
proto = fields[0]
localMark = ""
localAddress, localPort, err = parseIPPort(fields[1])
if err != nil {
return nil, err
}
case fields[0] == "FWM":
if len(fields) < 2 {
continue
}
proto = fields[0]
localMark = fields[1]
localAddress = nil
localPort = 0
case fields[0] == "->":
if len(fields) < 6 {
continue
@ -187,6 +192,7 @@ func parseIPVSBackendStatus(file io.Reader) ([]IPVSBackendStatus, error) {
status = append(status, IPVSBackendStatus{
LocalAddress: localAddress,
LocalPort: localPort,
LocalMark: localMark,
RemoteAddress: remoteAddress,
RemotePort: remotePort,
Proto: proto,
@ -200,22 +206,31 @@ func parseIPVSBackendStatus(file io.Reader) ([]IPVSBackendStatus, error) {
}
func parseIPPort(s string) (net.IP, uint16, error) {
tmp := strings.SplitN(s, ":", 2)
var (
ip net.IP
err error
)
if len(tmp) != 2 {
return nil, 0, fmt.Errorf("invalid IP:Port: %s", s)
switch len(s) {
case 13:
ip, err = hex.DecodeString(s[0:8])
if err != nil {
return nil, 0, err
}
case 46:
ip = net.ParseIP(s[1:40])
if ip == nil {
return nil, 0, fmt.Errorf("invalid IPv6 address: %s", s[1:40])
}
default:
return nil, 0, fmt.Errorf("unexpected IP:Port: %s", s)
}
if len(tmp[0]) != 8 && len(tmp[0]) != 32 {
return nil, 0, fmt.Errorf("invalid IP: %s", tmp[0])
portString := s[len(s)-4:]
if len(portString) != 4 {
return nil, 0, fmt.Errorf("unexpected port string format: %s", portString)
}
ip, err := hex.DecodeString(tmp[0])
if err != nil {
return nil, 0, err
}
port, err := strconv.ParseUint(tmp[1], 16, 16)
port, err := strconv.ParseUint(portString, 16, 16)
if err != nil {
return nil, 0, err
}