forked from influxdata/telegraf
/
ps.go
138 lines (116 loc) · 3.26 KB
/
ps.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
package system
import (
"os"
"github.com/influxdata/telegraf"
"github.com/influxdata/telegraf/internal"
"github.com/shirou/gopsutil/cpu"
"github.com/shirou/gopsutil/disk"
"github.com/shirou/gopsutil/mem"
"github.com/shirou/gopsutil/net"
)
type PS interface {
CPUTimes(perCPU, totalCPU bool) ([]cpu.TimesStat, error)
DiskUsage(mountPointFilter []string, fstypeExclude []string) ([]*disk.UsageStat, []*disk.PartitionStat, error)
NetIO() ([]net.IOCountersStat, error)
NetProto() ([]net.ProtoCountersStat, error)
DiskIO() (map[string]disk.IOCountersStat, error)
VMStat() (*mem.VirtualMemoryStat, error)
SwapStat() (*mem.SwapMemoryStat, error)
NetConnections() ([]net.ConnectionStat, error)
}
func add(acc telegraf.Accumulator,
name string, val float64, tags map[string]string) {
if val >= 0 {
acc.AddFields(name, map[string]interface{}{"value": val}, tags)
}
}
type systemPS struct{}
func (s *systemPS) CPUTimes(perCPU, totalCPU bool) ([]cpu.TimesStat, error) {
var cpuTimes []cpu.TimesStat
if perCPU {
if perCPUTimes, err := cpu.Times(true); err == nil {
cpuTimes = append(cpuTimes, perCPUTimes...)
} else {
return nil, err
}
}
if totalCPU {
if totalCPUTimes, err := cpu.Times(false); err == nil {
cpuTimes = append(cpuTimes, totalCPUTimes...)
} else {
return nil, err
}
}
return cpuTimes, nil
}
func (s *systemPS) DiskUsage(
mountPointFilter []string,
fstypeExclude []string,
) ([]*disk.UsageStat, []*disk.PartitionStat, error) {
parts, err := disk.Partitions(true)
if err != nil {
return nil, nil, err
}
// Make a "set" out of the filter slice
mountPointFilterSet := make(map[string]bool)
for _, filter := range mountPointFilter {
mountPointFilterSet[filter] = true
}
fstypeExcludeSet := make(map[string]bool)
for _, filter := range fstypeExclude {
fstypeExcludeSet[filter] = true
}
var usage []*disk.UsageStat
var partitions []*disk.PartitionStat
for i := range parts {
p := parts[i]
if len(mountPointFilter) > 0 {
// If the mount point is not a member of the filter set,
// don't gather info on it.
_, ok := mountPointFilterSet[p.Mountpoint]
if !ok {
continue
}
}
mountpoint := os.Getenv("HOST_MOUNT_PREFIX") + p.Mountpoint
if _, err := os.Stat(mountpoint); err == nil {
du, err := disk.Usage(mountpoint)
if err != nil {
return nil, nil, err
}
du.Path = p.Mountpoint
// If the mount point is a member of the exclude set,
// don't gather info on it.
_, ok := fstypeExcludeSet[p.Fstype]
if ok {
continue
}
du.Fstype = p.Fstype
usage = append(usage, du)
partitions = append(partitions, &p)
}
}
return usage, partitions, nil
}
func (s *systemPS) NetProto() ([]net.ProtoCountersStat, error) {
return net.ProtoCounters(nil)
}
func (s *systemPS) NetIO() ([]net.IOCountersStat, error) {
return net.IOCounters(true)
}
func (s *systemPS) NetConnections() ([]net.ConnectionStat, error) {
return net.Connections("all")
}
func (s *systemPS) DiskIO() (map[string]disk.IOCountersStat, error) {
m, err := disk.IOCounters()
if err == internal.NotImplementedError {
return nil, nil
}
return m, err
}
func (s *systemPS) VMStat() (*mem.VirtualMemoryStat, error) {
return mem.VirtualMemory()
}
func (s *systemPS) SwapStat() (*mem.SwapMemoryStat, error) {
return mem.SwapMemory()
}