mirror of
https://github.com/fluxcd/flagger.git
synced 2026-03-02 01:30:48 +00:00
46 lines
1.2 KiB
Go
46 lines
1.2 KiB
Go
/*
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Copyright 2020 The Flux authors
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package observers
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import (
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"bufio"
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"bytes"
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"fmt"
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"text/template"
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flaggerv1 "github.com/fluxcd/flagger/pkg/apis/flagger/v1beta1"
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)
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func RenderQuery(queryTemplate string, model flaggerv1.MetricTemplateModel) (string, error) {
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t, err := template.New("tmpl").Funcs(model.TemplateFunctions()).Parse(queryTemplate)
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if err != nil {
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return "", fmt.Errorf("template parsing failed: %w", err)
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}
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var data bytes.Buffer
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b := bufio.NewWriter(&data)
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if err := t.Execute(b, nil); err != nil {
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return "", fmt.Errorf("template excution failed: %w", err)
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}
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err = b.Flush()
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if err != nil {
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return "", fmt.Errorf("buffer flush failed: %w", err)
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}
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return data.String(), nil
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}
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