Matthew Jacobson
9e933882ed
* Template editor syntax highlighting when preview is json-like * Add new template editor language examples, snippets, and functions * Use updated NewTemplate function * Add new fields to webhook notifier - CustomPayload - ExtraHeaders * Documentation * Update grafana/alerting to in-progress PR (needs updating after merge) * Fix integration test * Remove docs reference to .Extra template context No longer exists, was part of a previous iteration * make update-workspace * Update grafana/alerting to actual merged commit
58 lines
1.3 KiB
Go
58 lines
1.3 KiB
Go
package definitions
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import (
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"fmt"
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"regexp"
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"strings"
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"github.com/grafana/alerting/templates"
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"gopkg.in/yaml.v3"
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)
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func (t *NotificationTemplate) Validate() error {
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if t.Name == "" {
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return fmt.Errorf("template must have a name")
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}
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if t.Template == "" {
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return fmt.Errorf("template must have content")
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}
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content := strings.TrimSpace(t.Template)
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found, err := regexp.MatchString(`\{\{\s*define`, content)
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if err != nil {
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return fmt.Errorf("failed to match regex: %w", err)
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}
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if !found {
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lines := strings.Split(content, "\n")
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for i, s := range lines {
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lines[i] = " " + s
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}
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content = strings.Join(lines, "\n")
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content = fmt.Sprintf("{{ define \"%s\" }}\n%s\n{{ end }}", t.Name, content)
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}
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t.Template = content
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// Validate template contents. We try to stick as close to what will actually happen when the templates are parsed
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// by the alertmanager as possible.
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tmpl, err := templates.NewTemplate()
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if err != nil {
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return fmt.Errorf("failed to create template: %w", err)
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}
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if err := tmpl.Parse(strings.NewReader(t.Template)); err != nil {
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return fmt.Errorf("invalid template: %w", err)
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}
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return nil
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}
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func (mt *MuteTimeInterval) Validate() error {
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s, err := yaml.Marshal(mt.MuteTimeInterval)
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if err != nil {
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return err
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}
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if err = yaml.Unmarshal(s, &(mt.MuteTimeInterval)); err != nil {
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return err
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}
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return nil
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}
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