mirror of
https://github.com/pelican-dev/panel.git
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352 lines
11 KiB
PHP
352 lines
11 KiB
PHP
<?php
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namespace App\Models;
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use App\Exceptions\Service\HasActiveServersException;
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use App\Repositories\Daemon\DaemonConfigurationRepository;
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use Exception;
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use Illuminate\Support\Facades\Http;
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use Illuminate\Support\Str;
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use Symfony\Component\Yaml\Yaml;
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use Illuminate\Notifications\Notifiable;
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use Illuminate\Database\Eloquent\Relations\HasMany;
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use Illuminate\Database\Eloquent\Relations\HasManyThrough;
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/**
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* @property int $id
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* @property string $uuid
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* @property bool $public
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* @property string $name
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* @property string|null $description
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* @property string $fqdn
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* @property string $scheme
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* @property bool $behind_proxy
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* @property bool $maintenance_mode
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* @property int $memory
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* @property int $memory_overallocate
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* @property int $disk
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* @property int $disk_overallocate
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* @property int $upload_size
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* @property string $daemon_token_id
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* @property string $daemon_token
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* @property int $daemon_listen
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* @property int $daemon_sftp
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* @property string $daemon_base
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* @property \Carbon\Carbon $created_at
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* @property \Carbon\Carbon $updated_at
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* @property \App\Models\Mount[]|\Illuminate\Database\Eloquent\Collection $mounts
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* @property \App\Models\Server[]|\Illuminate\Database\Eloquent\Collection $servers
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* @property \App\Models\Allocation[]|\Illuminate\Database\Eloquent\Collection $allocations
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*/
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class Node extends Model
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{
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use Notifiable;
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/**
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* The resource name for this model when it is transformed into an
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* API representation using fractal.
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*/
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public const RESOURCE_NAME = 'node';
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public const DAEMON_TOKEN_ID_LENGTH = 16;
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public const DAEMON_TOKEN_LENGTH = 64;
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/**
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* The table associated with the model.
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*/
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protected $table = 'nodes';
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/**
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* The attributes excluded from the model's JSON form.
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*/
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protected $hidden = ['daemon_token_id', 'daemon_token'];
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public int $sum_memory;
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public int $sum_disk;
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/**
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* Fields that are mass assignable.
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*/
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protected $fillable = [
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'public', 'name',
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'fqdn', 'scheme', 'behind_proxy',
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'memory', 'memory_overallocate', 'disk',
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'disk_overallocate', 'upload_size', 'daemon_base',
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'daemon_sftp', 'daemon_listen',
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'description', 'maintenance_mode',
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];
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public static array $validationRules = [
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'name' => 'required|regex:/^([\w .-]{1,100})$/',
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'description' => 'string|nullable',
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'public' => 'boolean',
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'fqdn' => 'required|string',
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'scheme' => 'required',
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'behind_proxy' => 'boolean',
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'memory' => 'required|numeric|min:0',
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'memory_overallocate' => 'required|numeric|min:-1',
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'disk' => 'required|numeric|min:0',
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'disk_overallocate' => 'required|numeric|min:-1',
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'daemon_base' => 'sometimes|required|regex:/^([\/][\d\w.\-\/]+)$/',
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'daemon_sftp' => 'required|numeric|between:1,65535',
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'daemon_listen' => 'required|numeric|between:1,65535',
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'maintenance_mode' => 'boolean',
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'upload_size' => 'int|between:1,1024',
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];
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/**
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* Default values for specific columns that are generally not changed on base installs.
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*/
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protected $attributes = [
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'public' => true,
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'behind_proxy' => false,
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'memory' => 0,
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'memory_overallocate' => 0,
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'disk' => 0,
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'disk_overallocate' => 0,
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'daemon_base' => '/var/lib/pelican/volumes',
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'daemon_sftp' => 2022,
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'daemon_listen' => 8080,
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'maintenance_mode' => false,
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'tags' => '[]',
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];
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protected function casts(): array
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{
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return [
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'memory' => 'integer',
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'disk' => 'integer',
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'daemon_listen' => 'integer',
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'daemon_sftp' => 'integer',
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'behind_proxy' => 'boolean',
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'public' => 'boolean',
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'maintenance_mode' => 'boolean',
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'tags' => 'array',
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];
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}
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public function getRouteKeyName(): string
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{
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return 'id';
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}
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protected static function booted(): void
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{
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static::creating(function (self $node) {
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$node->uuid = Str::uuid();
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$node->daemon_token = encrypt(Str::random(self::DAEMON_TOKEN_LENGTH));
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$node->daemon_token_id = Str::random(self::DAEMON_TOKEN_ID_LENGTH);
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return true;
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});
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static::deleting(function (self $node) {
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throw_if($node->servers()->count(), new HasActiveServersException(trans('exceptions.egg.delete_has_servers')));
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});
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}
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/**
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* Get the connection address to use when making calls to this node.
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*/
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public function getConnectionAddress(): string
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{
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return "$this->scheme://$this->fqdn:$this->daemon_listen";
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}
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/**
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* Returns the configuration as an array.
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*/
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public function getConfiguration(): array
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{
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return [
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'debug' => false,
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'uuid' => $this->uuid,
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'token_id' => $this->daemon_token_id,
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'token' => decrypt($this->daemon_token),
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'api' => [
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'host' => '0.0.0.0',
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'port' => $this->daemon_listen,
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'ssl' => [
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'enabled' => (!$this->behind_proxy && $this->scheme === 'https'),
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'cert' => '/etc/letsencrypt/live/' . Str::lower($this->fqdn) . '/fullchain.pem',
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'key' => '/etc/letsencrypt/live/' . Str::lower($this->fqdn) . '/privkey.pem',
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],
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'upload_limit' => $this->upload_size,
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],
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'system' => [
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'data' => $this->daemon_base,
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'sftp' => [
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'bind_port' => $this->daemon_sftp,
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],
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],
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'allowed_mounts' => $this->mounts->pluck('source')->toArray(),
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'remote' => route('index'),
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];
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}
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/**
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* Returns the configuration in Yaml format.
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*/
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public function getYamlConfiguration(): string
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{
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return Yaml::dump($this->getConfiguration(), 4, 2, Yaml::DUMP_EMPTY_ARRAY_AS_SEQUENCE);
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}
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/**
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* Returns the configuration in JSON format.
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*/
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public function getJsonConfiguration(bool $pretty = false): string
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{
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return json_encode($this->getConfiguration(), $pretty ? JSON_UNESCAPED_SLASHES | JSON_PRETTY_PRINT : JSON_UNESCAPED_SLASHES);
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}
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/**
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* Helper function to return the decrypted key for a node.
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*/
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public function getDecryptedKey(): string
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{
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return (string) decrypt(
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$this->daemon_token
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);
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}
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public function isUnderMaintenance(): bool
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{
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return $this->maintenance_mode;
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}
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public function mounts(): HasManyThrough
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{
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return $this->hasManyThrough(Mount::class, MountNode::class, 'node_id', 'id', 'id', 'mount_id');
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}
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/**
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* Gets the servers associated with a node.
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*/
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public function servers(): HasMany
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{
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return $this->hasMany(Server::class);
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}
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/**
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* Gets the allocations associated with a node.
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*/
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public function allocations(): HasMany
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{
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return $this->hasMany(Allocation::class);
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}
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/**
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* Returns a boolean if the node is viable for an additional server to be placed on it.
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*/
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public function isViable(int $memory, int $disk): bool
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{
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$memoryLimit = $this->memory * (1 + ($this->memory_overallocate / 100));
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$diskLimit = $this->disk * (1 + ($this->disk_overallocate / 100));
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return ($this->sum_memory + $memory) <= $memoryLimit && ($this->sum_disk + $disk) <= $diskLimit;
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}
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public static function getForServerCreation()
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{
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return self::with('allocations')->get()->map(function (Node $item) {
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$filtered = $item->getRelation('allocations')->where('server_id', null)->map(function ($map) {
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return collect($map)->only(['id', 'ip', 'port']);
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});
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$ports = $filtered->map(function ($map) {
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return [
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'id' => $map['id'],
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'text' => sprintf('%s:%s', $map['ip'], $map['port']),
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];
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})->values();
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return [
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'id' => $item->id,
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'text' => $item->name,
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'allocations' => $ports,
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];
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})->values();
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}
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public function systemInformation(): array
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{
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return once(function () {
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try {
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return resolve(DaemonConfigurationRepository::class)
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->setNode($this)
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->getSystemInformation(connectTimeout: 3);
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} catch (Exception $exception) {
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$message = str($exception->getMessage());
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if ($message->startsWith('cURL error 6: Could not resolve host')) {
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$message = str('Could not resolve host');
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}
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if ($message->startsWith('cURL error 28: Failed to connect to ')) {
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$message = $message->after('cURL error 28: ')->before(' after ');
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}
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return ['exception' => $message->toString()];
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}
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});
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}
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public function serverStatuses(): array
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{
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$statuses = [];
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try {
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$statuses = Http::daemon($this)->connectTimeout(1)->timeout(1)->get('/api/servers')->json() ?? [];
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} catch (Exception $exception) {
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report($exception);
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}
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foreach ($statuses as $status) {
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$uuid = fluent($status)->get('configuration.uuid');
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cache()->remember("servers.$uuid.container.status", now()->addMinute(), fn () => fluent($status)->get('state'));
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}
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return $statuses;
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}
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public function statistics()
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{
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return Http::daemon($this)->connectTimeout(1)->timeout(1)->get('/api/system/utilization')->json() ?? [];
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/** Example
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$stats = [
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'memory_total' => 8221675520,
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'memory_used' => 1670275072,
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'swap_total' => 1073737728,
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'swap_used' => 0,
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'load_average1' => 0.67,
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'load_average5' => 0.64,
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'load_average15' => 0.7,
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'cpu_percent' => 0.84361590728896,
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'disk_total' => 62671097856,
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'disk_used' => 33444728832,
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]; // */
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}
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public function ipAddresses(): array
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{
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return cache()->remember("nodes.$this->id.ips", now()->addHour(), function () {
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$ips = collect();
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if (is_ip($this->fqdn)) {
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$ips = $ips->push($this->fqdn);
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} elseif ($dnsRecords = gethostbynamel($this->fqdn)) {
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$ips = $ips->concat($dnsRecords);
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}
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try {
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$addresses = Http::daemon($this)->connectTimeout(1)->timeout(1)->get('/api/system/ips')->json();
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$ips = $ips->concat(fluent($addresses)->get('ip_addresses'));
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} catch (Exception) {
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// pass
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}
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return $ips->all();
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});
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}
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}
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