runtime

Documentation

Overview

Package runtime contains the entry point to the policy engine.

Index

• func NewLoggingHandler(inner http.Handler) http.Handler
• type LoggingHandler
  • func (h *LoggingHandler) ServeHTTP(w http.ResponseWriter, r *http.Request)
• type Params
  • func NewParams() *Params
• type Runtime
  • func (rt *Runtime) Start(params *Params)

Functions

func NewLoggingHandler

func NewLoggingHandler(inner http.Handler) http.Handler

NewLoggingHandler returns a new http.Handler.

Types

type LoggingHandler

type LoggingHandler struct {
	// contains filtered or unexported fields
}

LoggingHandler returns an http.Handler that will print log messages to glog containing the request information as well as response status and latency.

func (*LoggingHandler) ServeHTTP

func (h *LoggingHandler) ServeHTTP(w http.ResponseWriter, r *http.Request)

type Params

type Params struct {

	// Addr is the listening address that the OPA server will bind to.
	Addr string

	// Eval is a string to evaluate in the REPL.
	Eval string

	// HistoryPath is the filename to store the interactive shell user
	// input history.
	HistoryPath string

	// Output format controls how the REPL will print query results.
	// Default: "pretty".
	OutputFormat string

	// Paths contains filenames of base documents and policy modules to load on
	// startup. Data files may be prefixed with "<dotted-path>:" to indicate
	// where the contained document should be loaded.
	Paths []string

	// PolicyDir is the filename of the directory to persist policy
	// definitions in. Policy definitions stored in this directory
	// are automatically loaded on startup.
	PolicyDir string

	// Server flag controls whether the OPA instance will start a server.
	// By default, the OPA instance acts as an interactive shell.
	Server bool

	// Watch flag controls whether OPA will watch the Paths files for changes.
	// This flag is only supported if OPA instance is running as an interactive
	// shell. If this flag is true, OPA will watch the Paths files for changes
	// and reload the storage layer each time they change. This is useful for
	// interactive development.
	Watch bool

	// Output is the output stream used when run as an interactive shell. This
	// is mostly for test purposes.
	Output io.Writer
}

Params stores the configuration for an OPA instance.

func NewParams

func NewParams() *Params

NewParams returns a new Params object.

type Runtime

type Runtime struct {
	Store *storage.Storage
}

Runtime represents a single OPA instance.

func (*Runtime) Start

func (rt *Runtime) Start(params *Params)

Start is the entry point of an OPA instance.