119 lines
2.3 KiB
Go
119 lines
2.3 KiB
Go
package server
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import (
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"crypto/tls"
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"github.com/jaevor/go-nanoid"
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"github.com/pkg/errors"
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)
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var newRandomInstanceID func() string
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func init() {
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generator, err := nanoid.Standard(21)
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if err != nil {
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panic(errors.Wrap(err, "could not generate random instance id"))
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}
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newRandomInstanceID = generator
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}
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type Options struct {
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InstanceID string
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Address string
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TLSAddress string
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TLSCertificate *tls.Certificate
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EnableServiceDiscovery bool
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EnableApps bool
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DefaultApp string
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AllowedOrigins []string
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Apps []App
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UpperLayerDir string
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}
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type OptionFunc func(opts *Options)
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func NewOptions(funcs ...OptionFunc) *Options {
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opts := &Options{
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InstanceID: NewRandomInstanceID(),
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Address: ":",
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TLSAddress: ":",
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EnableServiceDiscovery: true,
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EnableApps: false,
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DefaultApp: "",
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AllowedOrigins: make([]string, 0),
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Apps: make([]App, 0),
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UpperLayerDir: "",
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}
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for _, fn := range funcs {
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fn(opts)
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}
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return opts
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}
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func WithAppsEnabled(enabled bool) OptionFunc {
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return func(opts *Options) {
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opts.EnableApps = enabled
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}
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}
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func WithDefaultApp(defaultApp string) OptionFunc {
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return func(opts *Options) {
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opts.DefaultApp = defaultApp
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}
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}
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func WithApps(apps ...App) OptionFunc {
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return func(opts *Options) {
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opts.Apps = apps
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}
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}
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func WithAllowedOrigins(origins ...string) OptionFunc {
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return func(opts *Options) {
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opts.AllowedOrigins = origins
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}
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}
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func WithAddress(addr string) OptionFunc {
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return func(opts *Options) {
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opts.Address = addr
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}
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}
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func WithTLSAddress(addr string) OptionFunc {
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return func(opts *Options) {
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opts.TLSAddress = addr
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}
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}
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func WithTLSCertificate(cert *tls.Certificate) OptionFunc {
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return func(opts *Options) {
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opts.TLSCertificate = cert
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}
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}
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func WithInstanceID(id string) OptionFunc {
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return func(opts *Options) {
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opts.InstanceID = id
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}
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}
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func WithServiceDiscoveryEnabled(enabled bool) OptionFunc {
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return func(opts *Options) {
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opts.EnableServiceDiscovery = enabled
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}
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}
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func WithUpperLayerDir(dir string) OptionFunc {
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return func(opts *Options) {
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opts.UpperLayerDir = dir
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}
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}
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func NewRandomInstanceID() string {
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return newRandomInstanceID()
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}
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