grafana/pkg/tsdb/azuremonitor/metrics/url-builder.go
Andrew Hackmann 8d37d8f60b
Azuremonitor schematize backend (#69822)
* metrics schematize

* metrics now use schemas

* logs schema

* remove unused code

* fix tests
2023-06-10 23:30:49 +03:00

88 lines
2.5 KiB
Go

package metrics
import (
"fmt"
"strings"
)
// urlBuilder builds the URL for calling the Azure Monitor API
type urlBuilder struct {
ResourceURI *string
// Following fields will be used to generate a ResourceURI
DefaultSubscription *string
Subscription *string
ResourceGroup *string
MetricNamespace *string
ResourceName *string
}
func (params *urlBuilder) buildResourceURI() *string {
if params.ResourceURI != nil && *params.ResourceURI != "" {
return params.ResourceURI
}
subscription := params.Subscription
if params.Subscription == nil || *params.Subscription == "" {
subscription = params.DefaultSubscription
}
if params.MetricNamespace == nil || *params.MetricNamespace == "" {
return nil
}
metricNamespaceArray := strings.Split(*params.MetricNamespace, "/")
var resourceNameArray []string
if params.ResourceName != nil && *params.ResourceName != "" {
resourceNameArray = strings.Split(*params.ResourceName, "/")
}
provider := metricNamespaceArray[0]
metricNamespaceArray = metricNamespaceArray[1:]
if strings.HasPrefix(strings.ToLower(*params.MetricNamespace), "microsoft.storage/storageaccounts/") &&
params.ResourceName != nil &&
!strings.HasSuffix(*params.ResourceName, "default") {
resourceNameArray = append(resourceNameArray, "default")
}
resGroup := ""
if params.ResourceGroup != nil {
resGroup = *params.ResourceGroup
}
urlArray := []string{
"/subscriptions",
*subscription,
"resourceGroups",
resGroup,
"providers",
provider,
}
for i, namespace := range metricNamespaceArray {
urlArray = append(urlArray, namespace, resourceNameArray[i])
}
resourceURI := strings.Join(urlArray, "/")
return &resourceURI
}
// BuildMetricsURL checks the metric properties to see which form of the url
// should be returned
func (params *urlBuilder) BuildMetricsURL() string {
resourceURI := params.ResourceURI
// Prior to Grafana 9, we had a legacy query object rather than a resourceURI, so we manually create the resource URI
if resourceURI == nil || *resourceURI == "" {
resourceURI = params.buildResourceURI()
}
return fmt.Sprintf("%s/providers/microsoft.insights/metrics", *resourceURI)
}
// BuildSubscriptionMetricsURL returns a URL for querying metrics for all resources in a subscription
// It requires to set a $filter and a region parameter
func BuildSubscriptionMetricsURL(subscription string) string {
return fmt.Sprintf("/subscriptions/%s/providers/microsoft.insights/metrics", subscription)
}