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variables.go
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variables.go
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package decoder
import (
"fmt"
"github.com/K-Phoen/grabana/variable/interval"
"github.com/K-Phoen/grabana/dashboard"
"github.com/K-Phoen/grabana/variable/constant"
"github.com/K-Phoen/grabana/variable/custom"
"github.com/K-Phoen/grabana/variable/query"
)
var ErrVariableNotConfigured = fmt.Errorf("variable not configured")
type DashboardVariable struct {
Interval *VariableInterval `yaml:",omitempty"`
Custom *VariableCustom `yaml:",omitempty"`
Query *VariableQuery `yaml:",omitempty"`
Const *VariableConst `yaml:",omitempty"`
}
func (variable *DashboardVariable) toOption() (dashboard.Option, error) {
if variable.Query != nil {
return variable.Query.toOption(), nil
}
if variable.Interval != nil {
return variable.Interval.toOption(), nil
}
if variable.Const != nil {
return variable.Const.toOption(), nil
}
if variable.Custom != nil {
return variable.Custom.toOption(), nil
}
return nil, ErrVariableNotConfigured
}
type VariableInterval struct {
Name string
Label string
Default string
Values []string `yaml:",flow"`
}
func (variable *VariableInterval) toOption() dashboard.Option {
opts := []interval.Option{
interval.Values(variable.Values),
}
if variable.Label != "" {
opts = append(opts, interval.Label(variable.Label))
}
if variable.Default != "" {
opts = append(opts, interval.Default(variable.Default))
}
return dashboard.VariableAsInterval(variable.Name, opts...)
}
type VariableCustom struct {
Name string
Label string
Default string
ValuesMap map[string]string `yaml:"values_map"`
}
func (variable *VariableCustom) toOption() dashboard.Option {
opts := []custom.Option{
custom.Values(variable.ValuesMap),
}
if variable.Default != "" {
opts = append(opts, custom.Default(variable.Default))
}
if variable.Label != "" {
opts = append(opts, custom.Label(variable.Label))
}
return dashboard.VariableAsCustom(variable.Name, opts...)
}
type VariableConst struct {
Name string
Label string
Default string
ValuesMap map[string]string `yaml:"values_map"`
}
func (variable *VariableConst) toOption() dashboard.Option {
opts := []constant.Option{
constant.Values(variable.ValuesMap),
}
if variable.Default != "" {
opts = append(opts, constant.Default(variable.Default))
}
if variable.Label != "" {
opts = append(opts, constant.Label(variable.Label))
}
return dashboard.VariableAsConst(variable.Name, opts...)
}
type VariableQuery struct {
Name string
Label string
Datasource string
Request string
IncludeAll bool `yaml:"include_all"`
DefaultAll bool `yaml:"default_all"`
}
func (variable *VariableQuery) toOption() dashboard.Option {
opts := []query.Option{
query.Request(variable.Request),
}
if variable.Datasource != "" {
opts = append(opts, query.DataSource(variable.Datasource))
}
if variable.Label != "" {
opts = append(opts, query.Label(variable.Label))
}
if variable.IncludeAll {
opts = append(opts, query.IncludeAll())
}
if variable.DefaultAll {
opts = append(opts, query.DefaultAll())
}
return dashboard.VariableAsQuery(variable.Name, opts...)
}