remove openbsd amd64 cgo

collector/filesystem_openbsd_amd64.go

@@ -0,0 +1,77 @@
+// 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.
+
+// +build openbsd darwin,amd64 dragonfly
+// +build !nofilesystem
+
+package collector
+
+import (
+	"github.com/go-kit/kit/log/level"
+	"golang.org/x/sys/unix"
+)
+
+const (
+	defIgnoredMountPoints = "^/(dev)($|/)"
+	defIgnoredFSTypes     = "^devfs$"
+)
+
+// Expose filesystem fullness.
+func (c *filesystemCollector) GetStats() (stats []filesystemStats, err error) {
+	var mnt []unix.Statfs_t
+	size, err := unix.Getfsstat(mnt, unix.MNT_NOWAIT)
+	if err != nil {
+		return nil, err
+	}
+	mnt = make([]unix.Statfs_t, size)
+	_, err = unix.Getfsstat(mnt, unix.MNT_NOWAIT)
+	if err != nil {
+		return nil, err
+	}
+
+	stats = []filesystemStats{}
+	for _, v := range mnt {
+		mountpoint := int8ToString(v.F_mntonname[:])
+		if c.ignoredMountPointsPattern.MatchString(mountpoint) {
+			level.Debug(c.logger).Log("msg", "Ignoring mount point", "mountpoint", mountpoint)
+			continue
+		}
+
+		device := int8ToString(v.F_mntfromname[:])
+		fstype := int8ToString(v.F_fstypename[:])
+		if c.ignoredFSTypesPattern.MatchString(fstype) {
+			level.Debug(c.logger).Log("msg", "Ignoring fs type", "type", fstype)
+			continue
+		}
+
+		var ro float64
+		if (v.F_flags & unix.MNT_RDONLY) != 0 {
+			ro = 1
+		}
+
+		stats = append(stats, filesystemStats{
+			labels: filesystemLabels{
+				device:     device,
+				mountPoint: mountpoint,
+				fsType:     fstype,
+			},
+			size:      float64(v.F_blocks) * float64(v.F_bsize),
+			free:      float64(v.F_bfree) * float64(v.F_bsize),
+			avail:     float64(v.F_bavail) * float64(v.F_bsize),
+			files:     float64(v.F_files),
+			filesFree: float64(v.F_ffree),
+			ro:        ro,
+		})
+	}
+	return stats, nil
+}