String Notes — Orkestra

Standard string transformations. All notes are infallible — they return a safe zero value for empty input and never error.

Reference

Note	Signature	Returns
`toLower`	`string`	`string`
`toUpper`	`string`	`string`
`trimSpace`	`string`	`string`
`trim`	`s, cutset string`	`string`
`trimPrefix`	`s, prefix string`	`string`
`trimSuffix`	`s, suffix string`	`string`
`hasPrefix`	`s, prefix string`	`bool`
`hasSuffix`	`s, suffix string`	`bool`
`contains`	`s, substr string`	`bool`
`replace`	`s, old, new string`	`string` (all occurrences)
`split`	`s, sep string`	`[]string` — empty slice for empty input
`join`	`[]string, sep string`	`string`
`repeat`	`s string, n int`	`string`
`camelToKebab`	`string`	`string`
`truncate`	`s string, n int`	`string` — appends `...` if truncated

Examples

# Derive names
name: "{{ trimPrefix .spec.image \"myorg/\" }}"    # "nginx" from "myorg/nginx"
name: "{{ camelToKebab .spec.type }}"              # "web-server" from "WebServer"

# Safe display truncation (appends "...")
label: "{{ truncate .metadata.name 63 }}"

# Extract first element of a comma-separated list
image: "{{ index (split .spec.images \",\") 0 }}"

# Conditional suffix
host: "{{ toLower .spec.name }}.{{ .spec.domain }}"

For Kubernetes resource names (DNS labels), use truncateName from data notes — it hard-cuts without appending ..., which is not a valid character in resource names.