func()

in prometheus/alert/client.go [157:178]

• 19 lines of code
• 4 McCabe index (conditional complexity)

func (c *client) WriteRule(filePrefix string, rule rulefmt.Rule) error {
	filename := makeFilename(filePrefix)

	c.fileLocks.Lock(filename)
	defer c.fileLocks.Unlock(filename)

	ruleFile, err := c.readOrInitializeRuleFile(filePrefix, filename)
	if err != nil {
		return err
	}
	err = SecureRule(c.tenancy.RestrictQueries, c.tenancy.RestrictorLabel, filePrefix, &rule)
	if err != nil {
		return err
	}
	ruleFile.AddRule(rule)

	err = c.writeRuleFile(ruleFile, filename)
	if err != nil {
		return err
	}
	return nil
}