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
|
// Copyright 2015 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.
//go:build darwin && !nofilesystem
// +build darwin,!nofilesystem
package collector
/*
#cgo CFLAGS: -x objective-c
#cgo LDFLAGS: -framework Foundation
#import <Foundation/Foundation.h>
Float64 *purgeable(char *path) {
CFNumberRef tmp;
Float64 *value;
NSError *error = nil;
NSString *str = [NSString stringWithUTF8String:path];
NSURL *fileURL = [[NSURL alloc] initFileURLWithPath:str];
NSDictionary *results = [fileURL resourceValuesForKeys:@[NSURLVolumeAvailableCapacityForImportantUsageKey] error:&error];
if (results) {
if ((tmp = CFDictionaryGetValue((CFDictionaryRef)results, NSURLVolumeAvailableCapacityForImportantUsageKey)) == NULL)
return NULL;
value = (Float64 *)malloc(sizeof(Float64));
if (CFNumberGetValue(tmp, kCFNumberFloat64Type, value)) {
return value;
}
}
free(value);
return NULL;
}
*/
import "C"
import (
"errors"
"unsafe"
)
/*
#include <sys/param.h>
#include <sys/ucred.h>
#include <sys/mount.h>
#include <stdio.h>
*/
import "C"
const (
defMountPointsExcluded = "^/(dev)($|/)"
defFSTypesExcluded = "^devfs$"
readOnly = 0x1 // MNT_RDONLY
)
// Expose filesystem fullness.
func (c *filesystemCollector) GetStats() (stats []filesystemStats, err error) {
var mntbuf *C.struct_statfs
count := C.getmntinfo(&mntbuf, C.MNT_NOWAIT)
if count == 0 {
return nil, errors.New("getmntinfo() failed")
}
mnt := (*[1 << 20]C.struct_statfs)(unsafe.Pointer(mntbuf))
stats = []filesystemStats{}
for i := 0; i < int(count); i++ {
mountpoint := C.GoString(&mnt[i].f_mntonname[0])
if c.mountPointFilter.ignored(mountpoint) {
c.logger.Debug("Ignoring mount point", "mountpoint", mountpoint)
continue
}
device := C.GoString(&mnt[i].f_mntfromname[0])
fstype := C.GoString(&mnt[i].f_fstypename[0])
if c.fsTypeFilter.ignored(fstype) {
c.logger.Debug("Ignoring fs type", "type", fstype)
continue
}
var ro float64
if (mnt[i].f_flags & readOnly) != 0 {
ro = 1
}
stats = append(stats, filesystemStats{
labels: filesystemLabels{
device: device,
mountPoint: rootfsStripPrefix(mountpoint),
fsType: fstype,
},
size: float64(mnt[i].f_blocks) * float64(mnt[i].f_bsize),
free: float64(mnt[i].f_bfree) * float64(mnt[i].f_bsize),
avail: float64(mnt[i].f_bavail) * float64(mnt[i].f_bsize),
files: float64(mnt[i].f_files),
filesFree: float64(mnt[i].f_ffree),
purgeable: (*float64)(C.purgeable(C.CString(mountpoint))),
ro: ro,
})
}
return stats, nil
}
|
