VictoriaMetrics/app/vmselect/graphite/render_response.qtpl
Konstantin c1a8a2d54c
app/vmselect: return +Inf as null in graphite render api ()
Signed-off-by: Konstantin Kulikov <k.kulikov2@gmail.com>
2023-09-18 16:41:39 +02:00

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{% stripspace %}
{% import (
"math"
"sort"
) %}
RenderJSONResponse generates response for /render?format=json .
See https://graphite.readthedocs.io/en/stable/render_api.html#json
{% func RenderJSONResponse(nextSeries nextSeriesFunc, jsonp string) %}
{% if jsonp != "" %}{%s= jsonp %}({% endif %}
{% code ss, err := fetchAllSeries(nextSeries) %}
{% if err != nil %}
{
"error": {%q= err.Error() %}
}
{% return %}
{% endif %}
{% code sort.Slice(ss, func(i, j int) bool { return ss[i].Name < ss[j].Name }) %}
[
{% for i, s := range ss %}
{%= renderSeriesJSON(s) %}
{% if i+1 < len(ss) %},{% endif %}
{% endfor %}
]
{% if jsonp != "" %}){% endif %}
{% endfunc %}
{% func renderSeriesJSON(s *series) %}
{
"target": {%q= s.Name %},
"tags":{
{% code
tagKeys := make([]string, 0, len(s.Tags))
for k := range s.Tags {
tagKeys = append(tagKeys, k)
}
sort.Strings(tagKeys)
%}
{% for i, k := range tagKeys %}
{% code v := s.Tags[k] %}
{%q= k %}: {%q= v %}
{% if i+1 < len(tagKeys) %},{% endif %}
{% endfor %}
},
"datapoints":[
{% code timestamps := s.Timestamps %}
{% for i, v := range s.Values %}
[
{% if math.IsNaN(v) || math.IsInf(v, 0) %}null{% else %}{%f= v %}{% endif %},
{%dl= timestamps[i]/1e3 %}
]
{% if i+1 < len(timestamps) %},{% endif %}
{% endfor %}
]
}
{% endfunc %}
{% endstripspace %}