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2025-10-07 10:32:04 +01:00
#!/usr/bin/env nu
# Provider Loader System
# Loads selected providers into workspace or infrastructure (Layer 2 or Layer 3)
use discover.nu *
use ../lib_provisioning/layers/resolver.nu *
# Load providers into workspace or infrastructure
export def load-providers [
target_path: string,
providers: list<string>,
--force = false # Overwrite existing
--level: string = "auto" # "workspace", "infra", or "auto"
]: nothing -> record {
# Determine target layer
let layer_info = (determine-layer --workspace $target_path --infra $target_path --level $level)
let load_path = $layer_info.path
print $"Loading providers into ($layer_info.layer) layer: ($load_path)"
# Validate target path
if not ($load_path | path exists) {
error make { msg: $"Target path not found: ($load_path)" }
}
# Validate providers exist in system
let validation = (validate-providers $providers)
if not $validation.valid {
error make { msg: $"Missing providers: ($validation.missing)" }
}
# Create providers directory at target layer
let providers_dir = ($load_path | path join ".providers")
mkdir $providers_dir
# Load each provider
let results = ($providers | each { |name|
load-single-provider $load_path $name $force $layer_info.layer
})
# Generate imports file
generate-providers-imports $load_path $providers $layer_info.layer
# Create/update manifest
update-providers-manifest $load_path $providers $layer_info.layer
{
target: $load_path
layer: $layer_info.layer
loaded: ($results | where status == "success" | get name)
failed: ($results | where status == "error" | get name)
summary: $"Loaded (($results | where status == 'success' | length)) of (($providers | length)) providers at ($layer_info.layer) layer"
}
}
# Load a single provider
def load-single-provider [target_path: string, name: string, force: bool, layer: string]: nothing -> record {
let result = (do {
let provider_info = (get-provider-info $name)
let target_dir = ($target_path | path join ".providers" $name)
# Check if already exists
if ($target_dir | path exists) and (not $force) {
print $"⚠️ Provider ($name) already loaded at ($layer) layer (add --force flag to overwrite)"
return {
name: $name
status: "skipped"
message: "already exists"
}
}
# Copy KCL files and directories
mkdir $target_dir
let source_items = (ls $provider_info.kcl_path | get name)
for $item in $source_items {
cp -r $item $target_dir
}
print $"✅ Loaded provider: ($name)"
{
name: $name
status: "success"
path: $target_dir
version: $provider_info.version
type: $provider_info.provider_type
}
} | complete)
if $result.exit_code != 0 {
print $"❌ Failed to load provider ($name): ($result.stderr)"
{
name: $name
status: "error"
error: $result.stderr
}
} else {
$result.stdout | from json
}
}
# Generate providers.k import file
def generate-providers-imports [target_path: string, providers: list<string>, layer: string] {
# Generate individual imports for each provider
let imports = ($providers | each { |name|
# Check provider structure and import appropriately
let main_files = [
($target_path | path join ".providers" $name ($"provision_($name).k"))
($target_path | path join ".providers" $name ($"server_($name).k"))
($target_path | path join ".providers" $name ($"defaults_($name).k"))
($target_path | path join ".providers" $name ($name + ".k"))
]
# Find the main provider file
let main_file = ($main_files | where { |file| $file | path exists } | first)
if ($main_file | is-empty) {
$"import .providers.($name) as ($name)_provider"
} else {
let file_stem = ($main_file | path basename | str replace '.k' '')
$"import .providers.($name).($file_stem) as ($name)_provider"
}
} | str join "\n")
# Generate schema exports
let exports = ($providers | each { |name|
$" ($name): ($name)_provider"
} | str join ",\n")
# Create the complete imports file
let content = $"# Auto-generated provider imports ($layer) layer
# Generated: (date now | format date '%Y-%m-%d %H:%M:%S')
# Loaded providers: ($providers | str join ', ')
($imports)
# Export all loaded provider schemas
providers = {
($exports)
}
providers"
# Save the imports file
$content | save -f ($target_path | path join "providers.k")
# Also create individual alias files for easier direct imports
for $name in $providers {
let alias_content = $"# Provider alias for ($name)
# Generated: (date now | format date '%Y-%m-%d %H:%M:%S')
# Layer: ($layer)
import .providers.($name) as ($name)
# Re-export for convenience
($name)"
$alias_content | save -f ($target_path | path join $"provider_($name).k")
}
}
# Update providers manifest
def update-providers-manifest [target_path: string, providers: list<string>, layer: string] {
let manifest_dir = ($target_path | path join ".manifest")
mkdir $manifest_dir
let manifest_path = ($manifest_dir | path join "providers.yaml")
let existing = if ($manifest_path | path exists) {
open $manifest_path
} else {
{}
}
let provider_entries = ($providers | each { |name|
let info = (get-provider-info $name)
{
name: $name
version: $info.version
type: $info.provider_type
layer: $layer
loaded_at: (date now | format date '%Y-%m-%d %H:%M:%S')
source_path: $info.kcl_path
}
})
let manifest = {
loaded_providers: $provider_entries
last_updated: (date now | format date '%Y-%m-%d %H:%M:%S')
target_path: $target_path
layer: $layer
}
$manifest | to yaml | save -f $manifest_path
}
# Remove provider from workspace
export def unload-provider [workspace: string, name: string]: nothing -> record {
let target_dir = ($workspace | path join ".providers" $name)
if not ($target_dir | path exists) {
error make { msg: $"Provider ($name) not loaded in workspace" }
}
rm -rf $target_dir
# Update manifest and imports
let manifest_path = ($workspace | path join "providers.manifest.yaml")
if ($manifest_path | path exists) {
let manifest = (open $manifest_path)
let updated_providers = ($manifest.loaded_providers | where name != $name)
if ($updated_providers | is-empty) {
rm $manifest_path
rm ($workspace | path join "providers.k")
} else {
let updated_manifest = ($manifest | update loaded_providers $updated_providers)
$updated_manifest | to yaml | save $manifest_path
# Regenerate imports
let names = ($updated_providers | get name)
# Determine layer from manifest or default to workspace
let layer = ($manifest.layer? | default "workspace")
generate-providers-imports $workspace $names $layer
}
}
print $"✅ Unloaded provider: ($name)"
{
name: $name
status: "unloaded"
workspace: $workspace
}
}
# List loaded providers in workspace
export def list-loaded-providers [workspace: string]: nothing -> list<record> {
let manifest_path = ($workspace | path join "providers.manifest.yaml")
if not ($manifest_path | path exists) {
return []
}
let manifest = (open $manifest_path)
$manifest.loaded_providers? | default []
}
# Set default provider for workspace
export def set-default-provider [workspace: string, name: string]: nothing -> record {
# Validate provider is loaded
let loaded = (list-loaded-providers $workspace)
let provider_loaded = ($loaded | where name == $name | length) > 0
if not $provider_loaded {
error make { msg: $"Provider ($name) not loaded in workspace. Load it first." }
}
# Update workspace configuration
let config_path = ($workspace | path join "workspace.config.toml")
let config = if ($config_path | path exists) {
open $config_path | from toml
} else {
{}
}
let updated_config = ($config | upsert default_provider $name)
$updated_config | to toml | save $config_path
print $"✅ Set default provider: ($name)"
{
workspace: $workspace
default_provider: $name
status: "updated"
}
}