prvng_core/nulib/taskservs/deps_validator.nu

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2025-10-07 10:32:04 +01:00
# Taskserv Dependency Validator
# Validates taskserv dependencies, conflicts, and requirements
use lib_provisioning *
use utils.nu *
use ../lib_provisioning/config/accessor.nu *
# Validate taskserv dependencies from KCL definition
export def validate-dependencies [
taskserv_name: string
settings: record
--verbose (-v)
]: nothing -> record {
let taskservs_path = (get-taskservs-path)
let taskserv_kcl_path = ($taskservs_path | path join $taskserv_name "kcl")
# Check if taskserv has dependencies.k
let deps_file = ($taskserv_kcl_path | path join "dependencies.k")
if not ($deps_file | path exists) {
return {
valid: true
taskserv: $taskserv_name
has_dependencies: false
warnings: []
errors: []
}
}
if $verbose {
_print $"Validating dependencies for (_ansi yellow_bold)($taskserv_name)(_ansi reset)..."
}
# Run KCL to extract dependency information
let result = try {
kcl run $deps_file --format json | from json
} catch {
return {
valid: false
taskserv: $taskserv_name
has_dependencies: true
warnings: []
errors: [$"Failed to parse dependencies.k: ($in)"]
}
}
# Extract dependency information
let deps = ($result | get -o _dependencies)
if $deps == null {
return {
valid: true
taskserv: $taskserv_name
has_dependencies: false
warnings: ["dependencies.k exists but no _dependencies defined"]
errors: []
}
}
let requires = ($deps | get -o requires | default [])
let optional = ($deps | get -o optional | default [])
let conflicts = ($deps | get -o conflicts | default [])
mut warnings = []
mut errors = []
# Validate required dependencies
for req in $requires {
let req_path = ($taskservs_path | path join $req)
if not ($req_path | path exists) {
$errors = ($errors | append $"Required dependency not found: ($req)")
} else if $verbose {
_print $" ✓ Required: ($req)"
}
}
# Check optional dependencies
for opt in $optional {
let opt_path = ($taskservs_path | path join $opt)
if not ($opt_path | path exists) {
$warnings = ($warnings | append $"Optional dependency not available: ($opt)")
} else if $verbose {
_print $" Optional: ($opt)"
}
}
# Validate conflicts
for conf in $conflicts {
let conf_path = ($taskservs_path | path join $conf)
if ($conf_path | path exists) {
$warnings = ($warnings | append $"Conflicting taskserv installed: ($conf)")
} else if $verbose {
_print $" ✓ No conflict: ($conf)"
}
}
# Validate resource requirements
let resource_req = ($deps | get -o resource_requirements)
if $resource_req != null {
let min_memory = ($resource_req | get -o min_memory | default 0)
let min_cores = ($resource_req | get -o min_cores | default 0)
let min_disk = ($resource_req | get -o min_disk | default 0)
if $verbose {
_print $" Resource requirements:"
_print $" Memory: ($min_memory) MB"
_print $" Cores: ($min_cores)"
_print $" Disk: ($min_disk) GB"
}
# TODO: Could validate against server specs if available in settings
}
# Validate health check configuration
let health_check = ($deps | get -o health_check)
if $health_check != null {
let endpoint = ($health_check | get -o endpoint | default "")
let timeout = ($health_check | get -o timeout | default 30)
if $endpoint == "" {
$warnings = ($warnings | append "Health check defined but no endpoint specified")
} else if $verbose {
_print $" Health check: ($endpoint) (timeout: ($timeout)s)"
}
}
return {
valid: (($errors | length) == 0)
taskserv: $taskserv_name
has_dependencies: true
requires: $requires
optional: $optional
conflicts: $conflicts
resource_requirements: $resource_req
health_check: $health_check
warnings: $warnings
errors: $errors
}
}
# Validate dependencies for taskserv in infrastructure context
export def validate-infra-dependencies [
taskserv_name: string
settings: record
--verbose (-v)
]: nothing -> record {
let validation = (validate-dependencies $taskserv_name $settings --verbose=$verbose)
if not $validation.has_dependencies {
return $validation
}
# Check against installed taskservs in infrastructure
let installed_taskservs = try {
$settings.data.servers
| each {|srv| $srv.taskservs | get name}
| flatten
| uniq
} catch {
[]
}
mut infra_errors = []
mut infra_warnings = []
# Check if required dependencies are in infrastructure
for req in ($validation.requires | default []) {
if $req not-in $installed_taskservs {
$infra_errors = ($infra_errors | append $"Required dependency '($req)' not in infrastructure")
}
}
# Check for conflicts in infrastructure
for conf in ($validation.conflicts | default []) {
if $conf in $installed_taskservs {
$infra_errors = ($infra_errors | append $"Conflicting taskserv '($conf)' found in infrastructure")
}
}
return ($validation | merge {
infra_validation: true
installed_taskservs: $installed_taskservs
errors: (($validation.errors | default []) | append $infra_errors)
warnings: (($validation.warnings | default []) | append $infra_warnings)
valid: ((($validation.errors | default []) | append $infra_errors | length) == 0)
})
}
# Check dependencies for all taskservs
export def check-all-dependencies [
settings: record
--verbose (-v)
]: nothing -> table {
let taskservs_path = (get-taskservs-path)
# Find all taskservs with dependencies.k
let all_taskservs = (
ls ($taskservs_path | path join "**/kcl/dependencies.k")
| get name
| each {|path|
$path | path dirname | path dirname | path basename
}
)
if $verbose {
_print $"Found ($all_taskservs | length) taskservs with dependencies"
}
$all_taskservs | each {|ts|
validate-dependencies $ts $settings --verbose=$verbose
}
}
# Print dependency validation report
export def print-validation-report [
validation: record
]: nothing -> nothing {
_print $"\n(_ansi cyan_bold)Dependency Validation Report(_ansi reset)"
_print $"Taskserv: (_ansi yellow_bold)($validation.taskserv)(_ansi reset)"
if not $validation.has_dependencies {
_print $" (_ansi green)No dependencies defined(_ansi reset)"
return
}
_print $"\nStatus: (if $validation.valid { (_ansi green_bold)VALID(_ansi reset) } else { (_ansi red_bold)INVALID(_ansi reset) })"
if ($validation.requires | default [] | length) > 0 {
_print $"\n(_ansi cyan)Required Dependencies:(_ansi reset)"
for req in $validation.requires {
_print $" • ($req)"
}
}
if ($validation.optional | default [] | length) > 0 {
_print $"\n(_ansi cyan)Optional Dependencies:(_ansi reset)"
for opt in $validation.optional {
_print $" • ($opt)"
}
}
if ($validation.conflicts | default [] | length) > 0 {
_print $"\n(_ansi cyan)Conflicts:(_ansi reset)"
for conf in $validation.conflicts {
_print $" • ($conf)"
}
}
if ($validation.warnings | length) > 0 {
_print $"\n(_ansi yellow_bold)Warnings:(_ansi reset)"
for warn in $validation.warnings {
_print $" ⚠ ($warn)"
}
}
if ($validation.errors | length) > 0 {
_print $"\n(_ansi red_bold)Errors:(_ansi reset)"
for err in $validation.errors {
_print $" ✗ ($err)"
}
}
}