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Rename `collector.filesystem` flags to match other collectors 

Ref: #1743
Fixes: #1994

Signed-off-by: Frederic Hemberger <mail@frederic-hemberger.de>
This commit is contained in:
Frederic Hemberger 2021-03-23 12:00:06 +01:00
parent 1dfd858e4a
commit 39124626cd
6 changed files with 78 additions and 42 deletions
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2
CHANGELOG.md
View File

@ -1,6 +1,6 @@
## master / unreleased
* [CHANGE]
* [CHANGE] Rename flags `collector.filesystem.ignored-mount-points` and `collector.filesystem.ignored-fs-types` to match other collectors
* [FEATURE]
* [ENHANCEMENT]
* [BUGFIX]

10
collector/filesystem_bsd.go
View File

@ -32,9 +32,9 @@ import (
import "C"
const (
defIgnoredMountPoints = "^/(dev)($|/)"
defIgnoredFSTypes = "^devfs$"
readOnly = 0x1 // MNT_RDONLY
defMountPointsExcluded = "^/(dev)($|/)"
defFSTypesExcluded = "^devfs$"
readOnly = 0x1 // MNT_RDONLY
)
// Expose filesystem fullness.
@ -49,14 +49,14 @@ func (c *filesystemCollector) GetStats() (stats []filesystemStats, err error) {
stats = []filesystemStats{}
for i := 0; i < int(count); i++ {
mountpoint := C.GoString(&mnt[i].f_mntonname[0])
if c.ignoredMountPointsPattern.MatchString(mountpoint) {
if c.excludedMountPointsPattern.MatchString(mountpoint) {
level.Debug(c.logger).Log("msg", "Ignoring mount point", "mountpoint", mountpoint)
continue
}
device := C.GoString(&mnt[i].f_mntfromname[0])
fstype := C.GoString(&mnt[i].f_fstypename[0])
if c.ignoredFSTypesPattern.MatchString(fstype) {
if c.excludedFSTypesPattern.MatchString(fstype) {
level.Debug(c.logger).Log("msg", "Ignoring fs type", "type", fstype)
continue
}

80
collector/filesystem_common.go
View File

@ -17,6 +17,7 @@
package collector
import (
"errors"
"regexp"
"github.com/go-kit/kit/log"
@ -26,27 +27,44 @@ import (
)
// Arch-dependent implementation must define:
// * defIgnoredMountPoints
// * defIgnoredFSTypes
// * defMountPointsExcluded
// * defFSTypesExcluded
// * filesystemLabelNames
// * filesystemCollector.GetStats
var (
ignoredMountPoints = kingpin.Flag(
mountPointsExcludeSet bool
mountPointsExclude = kingpin.Flag(
"collector.filesystem.mount-points-exclude",
"Regexp of mount points to exclude for filesystem collector.",
).Default(defMountPointsExcluded).PreAction(func(c *kingpin.ParseContext) error {
mountPointsExcludeSet = true
return nil
}).String()
oldMountPointsExcluded = kingpin.Flag(
"collector.filesystem.ignored-mount-points",
"Regexp of mount points to ignore for filesystem collector.",
).Default(defIgnoredMountPoints).String()
ignoredFSTypes = kingpin.Flag(
).Hidden().String()
fsTypesExcludeSet bool
fsTypesExclude = kingpin.Flag(
"collector.filesystem.fs-types-exclude",
"Regexp of filesystem types to exclude for filesystem collector.",
).Default(defFSTypesExcluded).PreAction(func(c *kingpin.ParseContext) error {
fsTypesExcludeSet = true
return nil
}).String()
oldFSTypesExcluded = kingpin.Flag(
"collector.filesystem.ignored-fs-types",
"Regexp of filesystem types to ignore for filesystem collector.",
).Default(defIgnoredFSTypes).String()
).Hidden().String()
filesystemLabelNames = []string{"device", "mountpoint", "fstype"}
)
type filesystemCollector struct {
ignoredMountPointsPattern *regexp.Regexp
ignoredFSTypesPattern *regexp.Regexp
excludedMountPointsPattern *regexp.Regexp
excludedFSTypesPattern *regexp.Regexp
sizeDesc, freeDesc, availDesc *prometheus.Desc
filesDesc, filesFreeDesc *prometheus.Desc
roDesc, deviceErrorDesc *prometheus.Desc
@ -70,11 +88,29 @@ func init() {
// NewFilesystemCollector returns a new Collector exposing filesystems stats.
func NewFilesystemCollector(logger log.Logger) (Collector, error) {
if *oldMountPointsExcluded != "" {
if !mountPointsExcludeSet {
level.Warn(logger).Log("msg", "--collector.filesystem.ignored-mount-points is DEPRECATED and will be removed in 2.0.0, use --collector.filesystem.mount-points-exclude")
*mountPointsExclude = *oldMountPointsExcluded
} else {
return nil, errors.New("--collector.filesystem.ignored-mount-points and --collector.filesystem.mount-points-exclude are mutually exclusive")
}
}
if *oldFSTypesExcluded != "" {
if !fsTypesExcludeSet {
level.Warn(logger).Log("msg", "--collector.filesystem.ignored-fs-types is DEPRECATED and will be removed in 2.0.0, use --collector.filesystem.fs-types-exclude")
*fsTypesExclude = *oldFSTypesExcluded
} else {
return nil, errors.New("--collector.filesystem.ignored-fs-types and --collector.filesystem.fs-types-exclude are mutually exclusive")
}
}
subsystem := "filesystem"
level.Info(logger).Log("msg", "Parsed flag --collector.filesystem.ignored-mount-points", "flag", *ignoredMountPoints)
mountPointPattern := regexp.MustCompile(*ignoredMountPoints)
level.Info(logger).Log("msg", "Parsed flag --collector.filesystem.ignored-fs-types", "flag", *ignoredFSTypes)
filesystemsTypesPattern := regexp.MustCompile(*ignoredFSTypes)
level.Info(logger).Log("msg", "Parsed flag --collector.filesystem.mount-points-exclude", "flag", *mountPointsExclude)
mountPointPattern := regexp.MustCompile(*mountPointsExclude)
level.Info(logger).Log("msg", "Parsed flag --collector.filesystem.fs-types-exclude", "flag", *fsTypesExclude)
filesystemsTypesPattern := regexp.MustCompile(*fsTypesExclude)
sizeDesc := prometheus.NewDesc(
prometheus.BuildFQName(namespace, subsystem, "size_bytes"),
@ -119,16 +155,16 @@ func NewFilesystemCollector(logger log.Logger) (Collector, error) {
)
return &filesystemCollector{
ignoredMountPointsPattern: mountPointPattern,
ignoredFSTypesPattern: filesystemsTypesPattern,
sizeDesc: sizeDesc,
freeDesc: freeDesc,
availDesc: availDesc,
filesDesc: filesDesc,
filesFreeDesc: filesFreeDesc,
roDesc: roDesc,
deviceErrorDesc: deviceErrorDesc,
logger: logger,
excludedMountPointsPattern: mountPointPattern,
excludedFSTypesPattern: filesystemsTypesPattern,
sizeDesc: sizeDesc,
freeDesc: freeDesc,
availDesc: availDesc,
filesDesc: filesDesc,
filesFreeDesc: filesFreeDesc,
roDesc: roDesc,
deviceErrorDesc: deviceErrorDesc,
logger: logger,
}, nil
}

12
collector/filesystem_freebsd.go
View File

@ -21,10 +21,10 @@ import (
)
const (
defIgnoredMountPoints = "^/(dev)($|/)"
defIgnoredFSTypes = "^devfs$"
readOnly = 0x1 // MNT_RDONLY
noWait = 0x2 // MNT_NOWAIT
defMountPointsExcluded = "^/(dev)($|/)"
defFSTypesExcluded = "^devfs$"
readOnly = 0x1 // MNT_RDONLY
noWait = 0x2 // MNT_NOWAIT
)
// Expose filesystem fullness.
@ -41,14 +41,14 @@ func (c *filesystemCollector) GetStats() ([]filesystemStats, error) {
stats := []filesystemStats{}
for _, fs := range buf {
mountpoint := bytesToString(fs.Mntonname[:])
if c.ignoredMountPointsPattern.MatchString(mountpoint) {
if c.excludedMountPointsPattern.MatchString(mountpoint) {
level.Debug(c.logger).Log("msg", "Ignoring mount point", "mountpoint", mountpoint)
continue
}
device := bytesToString(fs.Mntfromname[:])
fstype := bytesToString(fs.Fstypename[:])
if c.ignoredFSTypesPattern.MatchString(fstype) {
if c.excludedFSTypesPattern.MatchString(fstype) {
level.Debug(c.logger).Log("msg", "Ignoring fs type", "type", fstype)
continue
}

8
collector/filesystem_linux.go
View File

@ -32,8 +32,8 @@ import (
)
const (
defIgnoredMountPoints = "^/(dev|proc|sys|var/lib/docker/.+)($|/)"
defIgnoredFSTypes = "^(autofs|binfmt_misc|bpf|cgroup2?|configfs|debugfs|devpts|devtmpfs|fusectl|hugetlbfs|iso9660|mqueue|nsfs|overlay|proc|procfs|pstore|rpc_pipefs|securityfs|selinuxfs|squashfs|sysfs|tracefs)$"
defMountPointsExcluded = "^/(dev|proc|sys|var/lib/docker/.+)($|/)"
defFSTypesExcluded = "^(autofs|binfmt_misc|bpf|cgroup2?|configfs|debugfs|devpts|devtmpfs|fusectl|hugetlbfs|iso9660|mqueue|nsfs|overlay|proc|procfs|pstore|rpc_pipefs|securityfs|selinuxfs|squashfs|sysfs|tracefs)$"
)
var mountTimeout = kingpin.Flag("collector.filesystem.mount-timeout",
@ -50,11 +50,11 @@ func (c *filesystemCollector) GetStats() ([]filesystemStats, error) {
}
stats := []filesystemStats{}
for _, labels := range mps {
if c.ignoredMountPointsPattern.MatchString(labels.mountPoint) {
if c.excludedMountPointsPattern.MatchString(labels.mountPoint) {
level.Debug(c.logger).Log("msg", "Ignoring mount point", "mountpoint", labels.mountPoint)
continue
}
if c.ignoredFSTypesPattern.MatchString(labels.fsType) {
if c.excludedFSTypesPattern.MatchString(labels.fsType) {
level.Debug(c.logger).Log("msg", "Ignoring fs", "type", labels.fsType)
continue
}

8
collector/filesystem_openbsd_amd64.go
View File

@ -22,8 +22,8 @@ import (
)
const (
defIgnoredMountPoints = "^/(dev)($|/)"
defIgnoredFSTypes = "^devfs$"
defMountPointsExcluded = "^/(dev)($|/)"
defFSTypesExcluded = "^devfs$"
)
// Expose filesystem fullness.
@ -42,14 +42,14 @@ func (c *filesystemCollector) GetStats() (stats []filesystemStats, err error) {
stats = []filesystemStats{}
for _, v := range mnt {
mountpoint := int8ToString(v.F_mntonname[:])
if c.ignoredMountPointsPattern.MatchString(mountpoint) {
if c.excludedMountPointsPattern.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) {
if c.excludedFSTypesPattern.MatchString(fstype) {
level.Debug(c.logger).Log("msg", "Ignoring fs type", "type", fstype)
continue
}