micro/runtime/options.go

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package runtime
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import (
"io"
)
type Option func(o *Options)
// Options configure runtime
type Options struct {
// Notifier for updates
Notifier Notifier
}
// AutoUpdate enables micro auto-updates
func WithNotifier(n Notifier) Option {
return func(o *Options) {
o.Notifier = n
}
}
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type CreateOption func(o *CreateOptions)
// CreateOptions configure runtime services
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type CreateOptions struct {
// command to execute including args
Command []string
// Environment to configure
Env []string
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// Log output
Output io.Writer
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}
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// WithCommand specifies the command to execute
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func WithCommand(c string, args ...string) CreateOption {
return func(o *CreateOptions) {
// set command
o.Command = []string{c}
// set args
o.Command = append(o.Command, args...)
}
}
// WithEnv sets the created service environment
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func WithEnv(env []string) CreateOption {
return func(o *CreateOptions) {
o.Env = env
}
}
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// WithOutput sets the arg output
func WithOutput(out io.Writer) CreateOption {
return func(o *CreateOptions) {
o.Output = out
}
}
type ReadOption func(o *ReadOptions)
// ReadOptions queries runtime services
type ReadOptions struct {
// Version queries services with given version
Version string
}
// WithVersion confifgures service version
func WithVersion(version string) ReadOption {
return func(o *ReadOptions) {
o.Version = version
}
}