runtime

type CreateOption func(o *CreateOptions)

type CreateOptions struct {
	// Command to execut
	Command []string
	// Args to pass into command
	Args []string
	// Environment to configure
	Env []string
	// Log output
	Output io.Writer
	// Type of service to create
	Type string
	// Retries before failing deploy
	Retries int
	// Specify the image to use
	Image string
	// Namespace to create the service in
	Namespace string
	// Specify the context to use
	Context context.Context
	// Secrets to use
	Secrets map[string]string
	// Resources to allocate the service
	Resources *Resources
}

type DeleteOption func(o *DeleteOptions)

type DeleteOptions struct {
	// Namespace the service is running in
	Namespace string
	// Specify the context to use
	Context context.Context
}

type Event struct {
	// ID of the event
	ID string
	// Type is event type
	Type EventType
	// Timestamp is event timestamp
	Timestamp time.Time
	// Service the event relates to
	Service *Service
	// Options to use when processing the event
	Options *CreateOptions
}

type EventType int

type Log struct {
	Message  string
	Metadata map[string]string
}

type Logs interface {
	Error() error
	Chan() chan Log
	Stop() error
}

type LogsOption func(o *LogsOptions)

type LogsOptions struct {
	// How many existing lines to show
	Count int64
	// Stream new lines?
	Stream bool
	// Namespace the service is running in
	Namespace string
	// Specify the context to use
	Context context.Context
}

type Option func(o *Options)

type Options struct {
	// Scheduler for updates
	Scheduler Scheduler
	// Service type to manage
	Type string
	// Source of the services repository
	Source string
	// Base image to use
	Image string
	// Client to use when making requests
	Client client.Client
}

type ReadOption func(o *ReadOptions)

type ReadOptions struct {
	// Service name
	Service string
	// Version queries services with given version
	Version string
	// Type of service
	Type string
	// Namespace the service is running in
	Namespace string
	// Specify the context to use
	Context context.Context
}

type Resources struct {
	// CPU is the maximum amount of CPU the service will be allocated (unit millicpu)
	// e.g. 0.25CPU would be passed as 250
	CPU int
	// Mem is the maximum amount of memory the service will be allocated (unit mebibyte)
	// e.g. 128 MiB of memory would be passed as 128
	Mem int
	// Disk is the maximum amount of disk space the service will be allocated (unit mebibyte)
	// e.g. 128 MiB of memory would be passed as 128
	Disk int
}

type Runtime interface {
	// Init initializes runtime
	Init(...Option) error
	// CreateNamespace creates a new namespace in the runtime
	CreateNamespace(string) error
	// DeleteNamespace deletes a namespace in the runtime
	DeleteNamespace(string) error
	// Create registers a service
	Create(*Service, ...CreateOption) error
	// Read returns the service
	Read(...ReadOption) ([]*Service, error)
	// Update the service in place
	Update(*Service, ...UpdateOption) error
	// Remove a service
	Delete(*Service, ...DeleteOption) error
	// Logs returns the logs for a service
	Logs(*Service, ...LogsOption) (Logs, error)
	// Start starts the runtime
	Start() error
	// Stop shuts down the runtime
	Stop() error
	// String defines the runtime implementation
	String() string
}

type Scheduler interface {
	// Notify publishes schedule events
	Notify() (<-chan Event, error)
	// Close stops the scheduler
	Close() error
}

type Service struct {
	// Name of the service
	Name string
	// Version of the service
	Version string
	// url location of source
	Source string
	// Metadata stores metadata
	Metadata map[string]string
}

type UpdateOption func(o *UpdateOptions)

type UpdateOptions struct {
	// Namespace the service is running in
	Namespace string
	// Specify the context to use
	Context context.Context
	// Secrets to use
	Secrets map[string]string
}