refactor(pkg): split perfdata across multiple files

This commit is contained in:
Emmanuel BENOîT 2024-07-19 23:14:59 +02:00
parent 0776ee6741
commit 70670e0657
Signed by: Emmanuel BENOîT
SSH key fingerprint: SHA256:l7PFUUF5TCDsvYeQC9OnTNz08dFY7Fvf4Hv3neIqYpg
4 changed files with 107 additions and 101 deletions

25
pkg/perfdata/internals.go Normal file
View file

@ -0,0 +1,25 @@
package perfdata // import nocternity.net/gomonop/pkg/perfdata
import (
"regexp"
)
// Flags indicating which elements of performance data have been set.
type perfDataBits int
const (
PDatWarn perfDataBits = 1 << iota
PDatCrit
PDatMin
PDatMax
)
// Regexps used to check values and ranges in performance data records.
var (
// Common value check regexp.
vcRegexp = `^-?(0(\.\d*)?|[1-9]\d*(\.\d*)?|\.\d+)$`
// Compiled value check regexp.
valueCheck = regexp.MustCompile(vcRegexp)
// Compiled range min value check.
rangeMinCheck = regexp.MustCompile(vcRegexp + `|^~$`)
)

View file

@ -4,110 +4,9 @@ package perfdata // import nocternity.net/gomonop/pkg/perfdata
import (
"fmt"
"regexp"
"strings"
)
// Units of measurement, which may be used to qualify the performance data.
type UnitOfMeasurement int
const (
UomNone UnitOfMeasurement = iota
UomSeconds
UomPercent
UomBytes
UomKilobytes
UomMegabytes
UomGigabytes
UomTerabytes
UomCounter
)
func (u UnitOfMeasurement) String() string {
return [...]string{"", "s", "%", "B", "KB", "MB", "GB", "TB", "c"}[u]
}
// Flags indicating which elements of performance data have been set.
type perfDataBits int
const (
PDatWarn perfDataBits = 1 << iota
PDatCrit
PDatMin
PDatMax
)
// Regexps used to check values and ranges in performance data records.
var (
// Common value check regexp.
vcRegexp = `^-?(0(\.\d*)?|[1-9]\d*(\.\d*)?|\.\d+)$`
// Compiled value check regexp.
valueCheck = regexp.MustCompile(vcRegexp)
// Compiled range min value check.
rangeMinCheck = regexp.MustCompile(vcRegexp + `|^~$`)
)
// Performance data range.
type PDRange struct {
start string
end string
inside bool
}
// Creates a performance data range from -inf to 0 and from the specified
// value to +inf.
func PDRMax(max string) *PDRange {
if !valueCheck.MatchString(max) {
panic("invalid performance data range maximum value")
}
pdRange := &PDRange{}
pdRange.start = "0"
pdRange.end = max
return pdRange
}
// Creates a performance data range from -inf to the specified minimal value
// and from the specified maximal value to +inf.
func PDRMinMax(min, max string) *PDRange {
if !valueCheck.MatchString(max) {
panic("invalid performance data range maximum value")
}
if !rangeMinCheck.MatchString(min) {
panic("invalid performance data range minimum value")
}
pdRange := &PDRange{}
pdRange.start = min
pdRange.end = max
return pdRange
}
// Inverts the range.
func (r *PDRange) Inside() *PDRange {
r.inside = true
return r
}
// Generates the range's string representation so it can be sent to the
// monitoring system.
func (r *PDRange) String() string {
var start, inside string
switch r.start {
case "":
start = "~"
case "0":
start = ""
default:
start = r.start
}
if r.inside {
inside = "@"
}
return inside + start + ":" + r.end
}
// Performance data, including a label, units, a value, warning/critical
// ranges and min/max boundaries.
type PerfData struct {

62
pkg/perfdata/range.go Normal file
View file

@ -0,0 +1,62 @@
package perfdata // import nocternity.net/gomonop/pkg/perfdata
// Performance data range.
type PDRange struct {
start string
end string
inside bool
}
// Creates a performance data range from -inf to 0 and from the specified
// value to +inf.
func PDRMax(max string) *PDRange {
if !valueCheck.MatchString(max) {
panic("invalid performance data range maximum value")
}
pdRange := &PDRange{}
pdRange.start = "0"
pdRange.end = max
return pdRange
}
// Creates a performance data range from -inf to the specified minimal value
// and from the specified maximal value to +inf.
func PDRMinMax(min, max string) *PDRange {
if !valueCheck.MatchString(max) {
panic("invalid performance data range maximum value")
}
if !rangeMinCheck.MatchString(min) {
panic("invalid performance data range minimum value")
}
pdRange := &PDRange{}
pdRange.start = min
pdRange.end = max
return pdRange
}
// Inverts the range.
func (r *PDRange) Inside() *PDRange {
r.inside = true
return r
}
// Generates the range's string representation so it can be sent to the
// monitoring system.
func (r *PDRange) String() string {
var start, inside string
switch r.start {
case "":
start = "~"
case "0":
start = ""
default:
start = r.start
}
if r.inside {
inside = "@"
}
return inside + start + ":" + r.end
}

20
pkg/perfdata/units.go Normal file
View file

@ -0,0 +1,20 @@
package perfdata // import nocternity.net/gomonop/pkg/perfdata
// Units of measurement, which may be used to qualify the performance data.
type UnitOfMeasurement int
const (
UomNone UnitOfMeasurement = iota
UomSeconds
UomPercent
UomBytes
UomKilobytes
UomMegabytes
UomGigabytes
UomTerabytes
UomCounter
)
func (u UnitOfMeasurement) String() string {
return [...]string{"", "s", "%", "B", "KB", "MB", "GB", "TB", "c"}[u]
}