113 lines
3.2 KiB
Go
113 lines
3.2 KiB
Go
package installer
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import (
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"encoding/json"
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"github.com/asaskevich/govalidator"
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"github.com/buger/jsonparser"
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"github.com/pkg/errors"
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"github.com/pterodactyl/wings/api"
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"github.com/pterodactyl/wings/environment"
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"github.com/pterodactyl/wings/server"
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)
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type Installer struct {
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server *server.Server
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}
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// Validates the received data to ensure that all of the required fields
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// have been passed along in the request. This should be manually run before
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// calling Execute().
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func New(data []byte) (*Installer, error) {
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if !govalidator.IsUUIDv4(getString(data, "uuid")) {
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return nil, NewValidationError("uuid provided was not in a valid format")
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}
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cfg := &server.Configuration{
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Uuid: getString(data, "uuid"),
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Suspended: false,
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Invocation: getString(data, "invocation"),
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SkipEggScripts: getBoolean(data, "skip_egg_scripts"),
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Build: environment.Limits{
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MemoryLimit: getInt(data, "build", "memory"),
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Swap: getInt(data, "build", "swap"),
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IoWeight: uint16(getInt(data, "build", "io")),
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CpuLimit: getInt(data, "build", "cpu"),
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DiskSpace: getInt(data, "build", "disk"),
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Threads: getString(data, "build", "threads"),
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},
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CrashDetectionEnabled: true,
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}
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cfg.Allocations.DefaultMapping.Ip = getString(data, "allocations", "default", "ip")
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cfg.Allocations.DefaultMapping.Port = int(getInt(data, "allocations", "default", "port"))
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// Unmarshal the environment variables from the request into the server struct.
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if b, _, _, err := jsonparser.Get(data, "environment"); err != nil {
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return nil, errors.WithStack(err)
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} else {
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cfg.EnvVars = make(environment.Variables)
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if err := json.Unmarshal(b, &cfg.EnvVars); err != nil {
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return nil, errors.WithStack(err)
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}
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}
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// Unmarshal the allocation mappings from the request into the server struct.
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if b, _, _, err := jsonparser.Get(data, "allocations", "mappings"); err != nil {
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return nil, errors.WithStack(err)
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} else {
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cfg.Allocations.Mappings = make(map[string][]int)
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if err := json.Unmarshal(b, &cfg.Allocations.Mappings); err != nil {
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return nil, errors.WithStack(err)
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}
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}
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cfg.Container.Image = getString(data, "container", "image")
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c, rerr, err := api.NewRequester().GetServerConfiguration(cfg.Uuid)
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if err != nil || rerr != nil {
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if err != nil {
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return nil, errors.WithStack(err)
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}
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return nil, errors.New(rerr.String())
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}
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// Create a new server instance using the configuration we wrote to the disk
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// so that everything gets instantiated correctly on the struct.
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s, err := server.FromConfiguration(c)
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return &Installer{
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server: s,
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}, err
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}
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// Returns the UUID associated with this installer instance.
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func (i *Installer) Uuid() string {
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return i.server.Id()
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}
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// Return the server instance.
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func (i *Installer) Server() *server.Server {
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return i.server
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}
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// Returns a string value from the JSON data provided.
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func getString(data []byte, key ...string) string {
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value, _ := jsonparser.GetString(data, key...)
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return value
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}
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// Returns an int value from the JSON data provided.
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func getInt(data []byte, key ...string) int64 {
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value, _ := jsonparser.GetInt(data, key...)
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return value
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}
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func getBoolean(data []byte, key ...string) bool {
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value, _ := jsonparser.GetBoolean(data, key...)
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return value
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}
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