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feat(plugins): added prometheus dashboard to prometheus data source, #4298

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This commit is contained in:
Torkel Ödegaard
2016-03-12 10:40:55 +01:00
parent 53dc145ce7
commit d575a5ce12
6 changed files with 615 additions and 32 deletions
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pkg/plugins/dashboard_importer.go
+17 -16
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@@ -7,7 +7,6 @@ import (
"github.com/grafana/grafana/pkg/bus"
"github.com/grafana/grafana/pkg/components/simplejson"
"github.com/grafana/grafana/pkg/log"
m "github.com/grafana/grafana/pkg/models"
)
@@ -95,11 +94,10 @@ type DashTemplateEvaluator struct {
varRegex *regexp.Regexp
}
func (this *DashTemplateEvaluator) findInput(varName string, varDef *simplejson.Json) *ImportDashboardInput {
inputType := varDef.Get("type").MustString()
func (this *DashTemplateEvaluator) findInput(varName string, varType string) *ImportDashboardInput {
for _, input := range this.inputs {
if inputType == input.Type && (input.Name == varName || input.Name == "*") {
if varType == input.Type && (input.Name == varName || input.Name == "*") {
return &input
}
}
@@ -110,21 +108,20 @@ func (this *DashTemplateEvaluator) findInput(varName string, varDef *simplejson.
func (this *DashTemplateEvaluator) Eval() (*simplejson.Json, error) {
this.result = simplejson.New()
this.variables = make(map[string]string)
this.varRegex, _ = regexp.Compile("\\$__(\\w+)")
this.varRegex, _ = regexp.Compile(`(\$\{\w+\})`)
// check that we have all inputs we need
if inputDefs := this.template.Get("__inputs"); inputDefs != nil {
for varName, value := range inputDefs.MustMap() {
input := this.findInput(varName, simplejson.NewFromAny(value))
for _, inputDef := range this.template.Get("__inputs").MustArray() {
inputDefJson := simplejson.NewFromAny(inputDef)
inputName := inputDefJson.Get("name").MustString()
inputType := inputDefJson.Get("type").MustString()
input := this.findInput(inputName, inputType)
if input == nil {
return nil, &DashboardInputMissingError{VariableName: varName}
}
this.variables["$__"+varName] = input.Value
if input == nil {
return nil, &DashboardInputMissingError{VariableName: inputName}
}
} else {
log.Info("Import: dashboard has no __import section")
this.variables["${"+inputName+"}"] = input.Value
}
return simplejson.NewFromAny(this.evalObject(this.template)), nil
@@ -137,7 +134,11 @@ func (this *DashTemplateEvaluator) evalValue(source *simplejson.Json) interface{
switch v := sourceValue.(type) {
case string:
interpolated := this.varRegex.ReplaceAllStringFunc(v, func(match string) string {
return this.variables[match]
if replacement, exists := this.variables[match]; exists {
return replacement
} else {
return match
}
})
return interpolated
case bool: