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refactor(tools/blog_cli): More sensible chunk encoding as records

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Instead of many rrdatas in one record, make many records!
This commit is contained in:
Vincent Ambo 2019-08-19 17:51:29 +01:00
parent 2a16740445
commit d5710db900
1 changed files with 16 additions and 16 deletions
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32
tools/blog_cli/main.go
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@ -50,20 +50,23 @@ type post struct {
}
func (p *post) writeToDNS() error {
metaRecord := dns.ResourceRecordSet{
var additions []*dns.ResourceRecordSet
additions = append(additions, &dns.ResourceRecordSet{
Name: fmt.Sprintf("_meta.%s.blog.tazj.in.", p.ID),
Type: "TXT",
Ttl: 1200,
Rrdatas: []string{
encodeJSON(p.Meta),
},
}
})
chunkRecord := dns.ResourceRecordSet{
Name: fmt.Sprintf("_chunks.%s.blog.tazj.in.", p.ID),
Type: "TXT",
Ttl: 1200,
Rrdatas: p.Chunks,
for i, c := range p.Chunks {
additions = append(additions, &dns.ResourceRecordSet{
Name: fmt.Sprintf("_%v.%s.blog.tazj.in.", i, p.ID),
Type: "TXT",
Ttl: 1200,
Rrdatas: []string{c},
})
}
ctx := context.Background()
@ -73,7 +76,7 @@ func (p *post) writeToDNS() error {
}
change := dns.Change{
Additions: []*dns.ResourceRecordSet{&metaRecord, &chunkRecord},
Additions: additions,
}
_, err = dnsSvc.Changes.Create(*project, *zone, &change).Do()
@ -93,14 +96,13 @@ func encodeJSON(v interface{}) string {
// Encode a chunk and check whether it is too large
func encodeChunk(c chunk) (string, bool) {
tooLarge := false
s := base64.RawStdEncoding.EncodeToString([]byte(c.Text))
j := encodeJSON(c)
if len(j) >= 255 {
if len(s) >= 255 {
tooLarge = true
}
return j, tooLarge
return s, tooLarge
}
func createPost(id, title, text string, date time.Time) post {
@ -111,8 +113,6 @@ func createPost(id, title, text string, date time.Time) post {
var chunks []string
for chunkSize < len(runes) {
n++
c, l := encodeChunk(chunk{
Chunk: n,
Text: string(runes[0:chunkSize:chunkSize]),
@ -121,11 +121,10 @@ func createPost(id, title, text string, date time.Time) post {
tooLarge = tooLarge || l
chunks = append(chunks, c)
runes = runes[chunkSize:]
n++
}
if len(runes) > 0 {
n++
c, l := encodeChunk(chunk{
Chunk: n,
Text: string(runes),
@ -133,6 +132,7 @@ func createPost(id, title, text string, date time.Time) post {
tooLarge = tooLarge || l
chunks = append(chunks, c)
n++
}
if tooLarge {