func (c *Conf) loadLookup(s *parse.SectionNode) {
name := s.Name.Text
if _, ok := c.Lookups[name]; ok {
c.errorf("duplicate lookup name: %s", name)
}
l := Lookup{
Name: name,
}
l.Text = s.RawText
var lookupTags opentsdb.TagSet
saw := make(map[string]bool)
for _, n := range s.Nodes.Nodes {
c.at(n)
switch n := n.(type) {
case *parse.SectionNode:
if n.SectionType.Text != "entry" {
c.errorf("unexpected subsection type")
}
tags, err := opentsdb.ParseTags(n.Name.Text)
if tags == nil && err != nil {
c.error(err)
}
if _, ok := saw[tags.String()]; ok {
c.errorf("duplicate entry")
}
saw[tags.String()] = true
if len(tags) == 0 {
c.errorf("lookup entries require tags")
}
empty := make(opentsdb.TagSet)
for k := range tags {
empty[k] = ""
}
if len(lookupTags) == 0 {
lookupTags = empty
for k := range empty {
l.Tags = append(l.Tags, k)
}
} else if !lookupTags.Equal(empty) {
c.errorf("lookup tags mismatch, expected %v", lookupTags)
}
e := Entry{
Def: n.RawText,
Name: n.Name.Text,
ExprEntry: &ExprEntry{
AlertKey: models.NewAlertKey("", tags),
Values: make(map[string]string),
},
}
for _, en := range n.Nodes.Nodes {
c.at(en)
switch en := en.(type) {
case *parse.PairNode:
e.Values[en.Key.Text] = en.Val.Text
default:
c.errorf("unexpected node")
}
}
l.Entries = append(l.Entries, &e)
default:
c.errorf("unexpected node")
}
}
c.at(s)
c.Lookups[name] = &l
}
