provisioning/core/nulib/lib_provisioning/utils/validation.nu
2025-09-22 23:11:41 +01:00

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# Enhanced validation utilities for provisioning tool
export def validate-required [
value: any
name: string
context?: string
]: bool {
if ($value | is-empty) {
print $"🛑 Required parameter '($name)' is missing or empty"
if ($context | is-not-empty) {
print $"Context: ($context)"
}
print $"💡 Please provide a value for '($name)'"
return false
}
true
}
export def validate-path [
path: string
context?: string
--must-exist
]: bool {
if ($path | is-empty) {
print "🛑 Path parameter is empty"
if ($context | is-not-empty) {
print $"Context: ($context)"
}
return false
}
if $must_exist and not ($path | path exists) {
print $"🛑 Path '($path)' does not exist"
if ($context | is-not-empty) {
print $"Context: ($context)"
}
print "💡 Check if the path exists and you have proper permissions"
return false
}
true
}
export def validate-command [
command: string
context?: string
]: bool {
let cmd_exists = (^bash -c $"type -P ($command)" | complete)
if $cmd_exists.exit_code != 0 {
print $"🛑 Command '($command)' not found in PATH"
if ($context | is-not-empty) {
print $"Context: ($context)"
}
print $"💡 Install '($command)' or add it to your PATH"
return false
}
true
}
export def safe-execute [
command: closure
context: string
--fallback: closure
]: any {
try {
do $command
} catch {|err|
print $"⚠️ Warning: Error in ($context): ($err.msg)"
if $fallback != null {
print "🔄 Executing fallback..."
do $fallback
} else {
print $"🛑 Execution failed in ($context)"
print $"Error: ($err.msg)"
}
}
}
export def validate-settings [
settings: record
required_fields: list
]: bool {
let missing_fields = ($required_fields | where {|field|
($settings | get -o $field | is-empty)
})
if ($missing_fields | length) > 0 {
print "🛑 Missing required settings fields:"
$missing_fields | each {|field| print $" - ($field)"}
return false
}
true
}