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feat(main): Support output directories in template function.

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This introduces a new command line flag `--output` (or `-o` for short)
which makes it possible to template all specified resource sets into a
folder (instead of to stdout) when using `kontemplate template`.
This commit is contained in:
Niklas Wik 2018-04-23 08:12:38 +03:00 • committed by Vincent Ambo
parent 3ea3bed7ac
commit 84dcc294bf
1 changed files with 10 additions and 3 deletions
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13
main.go
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@ -38,8 +38,9 @@ var (
excludes = app.Flag("exclude", "Resource sets to exclude explicitly").Short('e').Strings()
// Commands
template = app.Command("template", "Template resource sets and print them")
templateFile = template.Arg("file", "Cluster configuration file to use").Required().String()
template = app.Command("template", "Template resource sets and print them")
templateFile = template.Arg("file", "Cluster configuration file to use").Required().String()
templateOutputDir = template.Flag("output", "Output directory in which to save templated files instead of printing them").Short('o').String()
apply = app.Command("apply", "Template resources and pass to 'kubectl apply'")
applyFile = apply.Arg("file", "Cluster configuration file to use").Required().String()
@ -100,7 +101,13 @@ func templateCommand() {
for _, r := range rs.Resources {
fmt.Fprintf(os.Stderr, "Rendered file %s/%s:\n", rs.Name, r.Filename)
fmt.Println(r.Rendered)
if *templateOutputDir != "" {
os.MkdirAll(*templateOutputDir, 0777)
f, _ := os.Create(*templateOutputDir + "/" + r.Filename)
fmt.Fprintf(f, r.Rendered)
} else {
fmt.Println(r.Rendered)
}
}
}
}