2022-12-10 10:09:21 +00:00
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{% import (
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"fmt"
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2023-01-04 07:26:27 +00:00
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"github.com/VictoriaMetrics/VictoriaMetrics/lib/htmlcomponents"
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2022-12-10 10:09:21 +00:00
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"github.com/VictoriaMetrics/VictoriaMetrics/lib/promutils"
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) %}
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{% stripspace %}
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2023-04-26 08:53:29 +00:00
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{% func RelabelDebugSteps(targetURL, targetID, format string, dss []DebugStep, metric, relabelConfigs string, err error) %}
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{% if format == "json" %}
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{%= RelabelDebugStepsJSON(targetURL, targetID, dss, metric, relabelConfigs, err) %}
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{% else %}
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{%= RelabelDebugStepsHTML(targetURL, targetID, dss, metric, relabelConfigs, err) %}
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{% endif %}
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{% endfunc %}
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{% func RelabelDebugStepsHTML(targetURL, targetID string, dss []DebugStep, metric, relabelConfigs string, err error) %}
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<!DOCTYPE html>
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<html lang="en">
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<head>
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{%= htmlcomponents.CommonHeader() %}
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<title>Metric relabel debug</title>
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<script>
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function submitRelabelDebugForm(e) {
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var form = e.target;
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var method = "GET";
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if (form.elements["relabel_configs"].value.length + form.elements["metric"].value.length > 1000) {
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method = "POST";
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}
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form.method = method;
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}
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</script>
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</head>
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<body>
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{%= htmlcomponents.Navbar() %}
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<div class="container-fluid">
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<a href="https://docs.victoriametrics.com/relabeling.html" target="_blank">Relabeling docs</a>{% space %}
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{% if targetURL != "" %}
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<a href="metric-relabel-debug{% if targetID != "" %}?id={%s targetID %}{% endif %}">Metric relabel debug</a>
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{% else %}
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<a href="target-relabel-debug{% if targetID != "" %}?id={%s targetID %}{% endif %}">Target relabel debug</a>
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{% endif %}
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<br>
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{% if err != nil %}
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{%= htmlcomponents.ErrorNotification(err) %}
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{% endif %}
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<div class="m-3">
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<form method="POST" onsubmit="submitRelabelDebugForm(event)">
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{%= relabelDebugFormInputs(metric, relabelConfigs) %}
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{% if targetID != "" %}
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<input type="hidden" name="id" value="{%s targetID %}" />
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{% endif %}
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<input type="submit" value="Submit" class="btn btn-primary m-1" />
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{% if targetID != "" %}
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<button type="button" onclick="location.href='?id={%s targetID %}'" class="btn btn-secondary m-1">Reset</button>
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{% endif %}
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</form>
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</div>
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<div class="row">
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<main class="col-12">
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{%= relabelDebugSteps(dss, targetURL, targetID) %}
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</main>
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</div>
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</div>
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</body>
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</html>
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{% endfunc %}
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{% func relabelDebugFormInputs(metric, relabelConfigs string) %}
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<div>
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Relabel configs:<br/>
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<textarea name="relabel_configs" style="width: 100%; height: 15em; font-family: monospace" class="m-1">{%s relabelConfigs %}</textarea>
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</div>
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<div>
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Labels:<br/>
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<textarea name="metric" style="width: 100%; height: 5em; font-family: monospace" class="m-1">{%s metric %}</textarea>
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</div>
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{% endfunc %}
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{% func relabelDebugSteps(dss []DebugStep, targetURL, targetID string) %}
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{% if len(dss) > 0 %}
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<div class="m-3">
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<b>Original labels:</b> <samp>{%= mustFormatLabels(dss[0].In) %}</samp>
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</div>
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{% endif %}
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<table class="table table-striped table-hover table-bordered table-sm">
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<thead>
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<tr>
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<th scope="col" style="width: 5%">Step</th>
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<th scope="col" style="width: 25%">Relabeling Rule</th>
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<th scope="col" style="width: 35%">Input Labels</th>
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<th scope="col" stile="width: 35%">Output labels</a>
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</tr>
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</thead>
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<tbody>
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{% for i, ds := range dss %}
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{% code
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inLabels := promutils.MustNewLabelsFromString(ds.In)
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outLabels := promutils.MustNewLabelsFromString(ds.Out)
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changedLabels := getChangedLabelNames(inLabels, outLabels)
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%}
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<tr>
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<td>{%d i %}</td>
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<td><b><pre class="m-2">{%s ds.Rule %}</pre></b></td>
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<td>
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<div class="m-2" style="font-size: 0.9em" title="deleted and updated labels highlighted in red">
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{%= labelsWithHighlight(inLabels, changedLabels, "red") %}
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</div>
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</td>
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<td>
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<div class="m-2" style="font-size: 0.9em" title="added and updated labels highlighted in blue">
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{%= labelsWithHighlight(outLabels, changedLabels, "blue") %}
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</div>
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</td>
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</tr>
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{% endfor %}
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</tbody>
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</table>
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{% if len(dss) > 0 %}
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<div class="m-3">
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<b>Resulting labels:</b> <samp>{%= mustFormatLabels(dss[len(dss)-1].Out) %}</samp>
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{% if targetURL != "" %}
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<div>
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<b>Target URL:</b>{% space %}<a href="{%s targetURL %}" target="_blank">{%s targetURL %}</a>
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{% if targetID != "" %}
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{% space %}
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(<a href="target_response?id={%s targetID %}" target="_blank" title="click to fetch target response on behalf of the scraper">response</a>)
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{% endif %}
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</div>
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{% endif %}
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</div>
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{% endif %}
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{% endfunc %}
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{% func RelabelDebugStepsJSON(targetURL, targetID string, dss []DebugStep, metric, relabelConfigs string, err error) %}
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{
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{% if err != nil %}
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"status": "error",
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"error": {%q= fmt.Sprintf("Error: %s", err) %}
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{% else %}
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"status": "success",
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{% if len(dss) > 0 %}
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"originalLabels": {%q= mustFormatLabels(dss[0].In) %},
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"resultingLabels": {%q= mustFormatLabels(dss[len(dss)-1].Out) %},
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{% endif %}
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"steps": [
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{% for i, ds := range dss %}
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{% code
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inLabels := promutils.MustNewLabelsFromString(ds.In)
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outLabels := promutils.MustNewLabelsFromString(ds.Out)
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changedLabels := getChangedLabelNames(inLabels, outLabels)
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%}
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{
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"inLabels": {%q= labelsWithHighlight(inLabels, changedLabels, "red") %},
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"outLabels": {%q= labelsWithHighlight(outLabels, changedLabels, "blue") %},
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"rule": {%q= ds.Rule %}
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}
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{% if i != len(dss)-1 %},{% endif %}
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{% endfor %}
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]
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{% endif %}
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}
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{% endfunc %}
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{% func labelsWithHighlight(labels *promutils.Labels, highlight map[string]struct{}, color string) %}
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{% code
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labelsList := labels.GetLabels()
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metricName := ""
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for i, label := range labelsList {
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if label.Name == "__name__" {
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metricName = label.Value
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labelsList = append(labelsList[:i], labelsList[i+1:]...)
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break
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}
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}
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%}
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{% if metricName != "" %}
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{% if _, ok := highlight["__name__"]; ok %}
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<span style="font-weight:bold;color:{%s color %}">{%s metricName %}</span>
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{% else %}
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{%s metricName %}
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{% endif %}
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{% if len(labelsList) == 0 %}{% return %}{% endif %}
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{% endif %}
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{
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{% for i, label := range labelsList %}
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{% if _, ok := highlight[label.Name]; ok %}
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<span style="font-weight:bold;color:{%s color %}">{%s label.Name %}={%q label.Value %}</span>
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{% else %}
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{%s label.Name %}={%q label.Value %}
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{% endif %}
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{% if i < len(labelsList)-1 %},{% space %}{% endif %}
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{% endfor %}
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}
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{% endfunc %}
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{% func mustFormatLabels(s string) %}
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{% code labels := promutils.MustNewLabelsFromString(s) %}
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{%= labelsWithHighlight(labels, nil, "") %}
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{% endfunc %}
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{% endstripspace %}
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