mirror of https://github.com/prometheus/prometheus
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
43 lines
1.5 KiB
43 lines
1.5 KiB
// Copyright 2013 The Prometheus Authors |
|
// Licensed under the Apache License, Version 2.0 (the "License"); |
|
// you may not use this file except in compliance with the License. |
|
// You may obtain a copy of the License at |
|
// |
|
// http://www.apache.org/licenses/LICENSE-2.0 |
|
// |
|
// Unless required by applicable law or agreed to in writing, software |
|
// distributed under the License is distributed on an "AS IS" BASIS, |
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
|
// See the License for the specific language governing permissions and |
|
// limitations under the License. |
|
|
|
package strutil |
|
|
|
import ( |
|
"fmt" |
|
"net/url" |
|
|
|
"github.com/grafana/regexp" |
|
) |
|
|
|
var invalidLabelCharRE = regexp.MustCompile(`[^a-zA-Z0-9_]`) |
|
|
|
// TableLinkForExpression creates an escaped relative link to the table view of |
|
// the provided expression. |
|
func TableLinkForExpression(expr string) string { |
|
escapedExpression := url.QueryEscape(expr) |
|
return fmt.Sprintf("/graph?g0.expr=%s&g0.tab=1", escapedExpression) |
|
} |
|
|
|
// GraphLinkForExpression creates an escaped relative link to the graph view of |
|
// the provided expression. |
|
func GraphLinkForExpression(expr string) string { |
|
escapedExpression := url.QueryEscape(expr) |
|
return fmt.Sprintf("/graph?g0.expr=%s&g0.tab=0", escapedExpression) |
|
} |
|
|
|
// SanitizeLabelName replaces anything that doesn't match |
|
// client_label.LabelNameRE with an underscore. |
|
func SanitizeLabelName(name string) string { |
|
return invalidLabelCharRE.ReplaceAllString(name, "_") |
|
}
|
|
|