Template Functions

• Template Functions
  • Examples
    • Operating System Helpers
    • File and Path Functions
    • String Functions
    • Execution Functions
      • EXEC
      • TRY
      • Expand
      • ExpandFile
      • JQ
      • YQ

Examples

Operating System Helpers

• OS {{OS}} resolves to current running os runtime.GOOS
• ARCH {{ARCH}} resolves to current processor architecture runtime.GOARCH

File and Path Functions

• PWD {{PWD}} resolves to current working directory
• FromSlash {{FromSlash}} uses go function filepath.FromSlash
• ToSlash {{ToSlash}} uses go function filepath.ToSlash
• ReadFile {{ReadFile}} read file contents, supports relative or absolute paths.
• WriteFile {{WriteFile 'file/path' 'string data'}} write file contents, supports relative or absolute paths.
• RemoveAll {{RemoveAll 'file/path'}} CAUTION removes file or folder and all children
• MkdirAll {{MkdirAll}}
• Touch {{Touch}}

String Functions

• ToTitle {{ToTitle}} uses go function strings.Title
• ToUpper {{ToUpper}} uses go function strings.ToUpper
• ToLower {{ToLower}} uses go function strings.ToLower
• Replace {{Replace}} uses go function strings.Replace

Execution Functions

EXEC

{{EXEC `echo "hello"`}}

TRY

{{TRY `fails` | default `default value`}}

Expand

{{Expand}}

ExpandFile

{{ReadFile `my-template-file.yaml` | ExpandFile | WriteFile}}

JQ

{{JQ 'key.value[0]', '{"key": {"value":[1]} }'}}

{{ReadFile `my-file.json` | JQ `key.value[0]`}}

YQ

{{ReadFile `my-file.yaml` | YQ `key.value[0]`}}