On 7 June 2017 at 23:22, Tilman Baumann <tilman.baum...@canonical.com> wrote:
> I see a lot of charms use base64 values in config parameters. Especially
> when the values are stuff like custom templates.
>
> Is this really the way to go? It may avoid shell quoting hell for
> parameters set via command line. (Usually trivial)
> But when set via --file option (which is clearly the better way with
> complex fields) then I have to say the 'here document' features of YAML
> are actually quite good.
>
> The problem I see with bas64 is that nobody can read it without decoding
> it every time.
>
> Opinions?
base64 is occasionally useful for binary data or text in arbitrary
encodings. It is only popular because people keep cargo culting it
into their charms when it is unnecessary. I always call it out in
reviews and get people to switch to unencoded text.
> Just as a example of what I mean:
> application: logstash-supportcloud
> charm: logstash-conf-d
> settings:
> config:
> value: |
> filter {
> if [message] == "" {
> drop { }
> }
> }
> output {
> gelf {
> host => "foobar"
> port => "5002"
> }
> }
Yes, much better. It involves teaching people the difference between
> and | in multiline yaml strings.
--
Stuart Bishop <stuart.bis...@canonical.com>
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