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Signed-off-by: Denis <[email protected]>
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Denis
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Dec 14, 2024
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// 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. | ||
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//go:build darwin && !nofilesystem | ||
// +build darwin,!nofilesystem | ||
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package collector | ||
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/* | ||
#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" | ||
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import ( | ||
"errors" | ||
"unsafe" | ||
) | ||
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/* | ||
#include <sys/param.h> | ||
#include <sys/ucred.h> | ||
#include <sys/mount.h> | ||
#include <stdio.h> | ||
*/ | ||
import "C" | ||
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const ( | ||
defMountPointsExcluded = "^/(dev)($|/)" | ||
defFSTypesExcluded = "^devfs$" | ||
readOnly = 0x1 // MNT_RDONLY | ||
) | ||
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// 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") | ||
} | ||
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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 | ||
} | ||
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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 | ||
} | ||
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var ro float64 | ||
if (mnt[i].f_flags & readOnly) != 0 { | ||
ro = 1 | ||
} | ||
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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 | ||
} |