Add AIX filesystem collector

collector/filesystem_aix.go

@@ -0,0 +1,66 @@
+// Copyright 2024 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 !nofilesystem
+// +build !nofilesystem
+
+package collector
+
+import (
+	"github.com/go-kit/log/level"
+	"github.com/power-devops/perfstat"
+)
+
+const (
+	defMountPointsExcluded = "^/(dev|aha)($|/)"
+	defFSTypesExcluded     = "^procfs$"
+)
+
+// Expose filesystem fullness.
+func (c *filesystemCollector) GetStats() (stats []filesystemStats, err error) {
+	fsStat, err := perfstat.FileSystemStat()
+	if err != nil {
+		return nil, err
+	}
+	for _, stat := range fsStat {
+		if c.excludedMountPointsPattern.MatchString(stat.MountPoint) {
+			level.Debug(c.logger).Log("msg", "Ignoring mount point", "mountpoint", stat.MountPoint)
+			continue
+		}
+		fstype := stat.TypeString()
+		if c.excludedFSTypesPattern.MatchString(fstype) {
+			level.Debug(c.logger).Log("msg", "Ignoring fs type", "type", fstype)
+			continue
+		}
+
+		ro := 0.0
+		if stat.Flags&perfstat.VFS_READONLY != 0 {
+			ro = 1.0
+		}
+
+		stats = append(stats, filesystemStats{
+			labels: filesystemLabels{
+				device:     stat.Device,
+				mountPoint: stat.MountPoint,
+				fsType:     fstype,
+			},
+			size:      float64(stat.TotalBlocks / 512.0),
+			free:      float64(stat.FreeBlocks / 512.0),
+			avail:     float64(stat.FreeBlocks / 512.0), // AIX doesn't distinguish between free and available blocks.
+			files:     float64(stat.TotalInodes),
+			filesFree: float64(stat.FreeInodes),
+			ro:        ro,
+		})
+	}
+	return stats, nil
+}

collector/filesystem_common.go

@@ -11,9 +11,9 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-//go:build !nofilesystem && (linux || freebsd || openbsd || darwin || dragonfly)
+//go:build !nofilesystem && (linux || freebsd || openbsd || darwin || dragonfly || aix)
 // +build !nofilesystem
-// +build linux freebsd openbsd darwin dragonfly
+// +build linux freebsd openbsd darwin dragonfly aix
 
 package collector
 

go.sum

@@ -69,6 +69,8 @@ github.com/opencontainers/selinux v1.11.0 h1:+5Zbo97w3Lbmb3PeqQtpmTkMwsW5nRI3YaL
 github.com/opencontainers/selinux v1.11.0/go.mod h1:E5dMC3VPuVvVHDYmi78qvhJp8+M586T4DlDRYpFkyec=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/power-devops/perfstat v0.0.0-20240221224432-82ca36839d55 h1:o4JXh1EVt9k/+g42oCprj/FisM4qX9L3sZB3upGN2ZU=
+github.com/power-devops/perfstat v0.0.0-20240221224432-82ca36839d55/go.mod h1:OmDBASR4679mdNQnz2pUhc2G8CO2JrUAVFDRBDP/hJE=
 github.com/prometheus-community/go-runit v0.1.0 h1:uTWEj/Fn2RoLdfg/etSqwzgYNOYPrARx1BHUN052tGA=
 github.com/prometheus-community/go-runit v0.1.0/go.mod h1:AvJ9Jo3gAFu2lbM4+qfjdpq30FfiLDJZKbQ015u08IQ=
 github.com/prometheus/client_golang v1.19.1 h1:wZWJDwK+NameRJuPGDhlnFgx8e8HN3XHQeLaYJFJBOE=
@@ -108,6 +110,7 @@ golang.org/x/oauth2 v0.21.0 h1:tsimM75w1tF/uws5rbeHzIWxEqElMehnc+iW793zsZs=
 golang.org/x/oauth2 v0.21.0/go.mod h1:XYTD2NtWslqkgxebSiOHnXEap4TF09sJSc7H1sXbhtI=
 golang.org/x/sync v0.7.0 h1:YsImfSBoP9QPYL0xyKJPq0gcaJdG3rInoqxTWbfQu9M=
 golang.org/x/sync v0.7.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
+golang.org/x/sys v0.0.0-20201204225414-ed752295db88/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20211031064116-611d5d643895/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.21.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 golang.org/x/sys v0.22.0 h1:RI27ohtqKCnwULzJLqkv897zojh5/DwS/ENaMzUOaWI=