cache

package
v0.1.0 Latest Latest
Warning

This package is not in the latest version of its module.

Go to latest
Published: Mar 23, 2020 License: Apache-2.0 Imports: 12 Imported by: 0

Documentation

Index

Constants

View Source
const CacheMiss = Error("Item not found in cache")

CacheMiss indicates the cache did not contain a match

View Source
const WriteOnly = "WRITE_ONLY"

Variables

This section is empty.

Functions

func HashFile

func HashFile(filePath string) (string, error)

HashFile returns the SHA1 hash of file contents

func HashString

func HashString(s string) (string, error)

HashString returns the SHA1 hash of a string

func MapKeys

func MapKeys(m map[string]string) (result []string)

MapKeys returns a sorted slice containing all keys from the given map

func NewMiddleware

func NewMiddleware(s store.Store, user, mode string) project.RunnerBuilder

NewMiddleware returns caching middleware

Types

type Cache

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

Cache used to determine rule keys

func New

func New(s store.Store) *Cache

New returns a cache

func (*Cache) Key

func (c *Cache) Key(r *project.Rule) (*Key, error)

Key returns a struct of information that uniquely identifies the Rule's inputs and configuration. This used to store Rule outputs in the cache.

func (*Cache) Read

func (c *Cache) Read(ctx context.Context, r *project.Rule) ([]string, error)

Read rule outputs from the cache

func (*Cache) Write

func (c *Cache) Write(ctx context.Context, r *project.Rule) ([]string, error)

Write rule outputs to the cache

type Entry

type Entry struct {
	Name string `json:"name"`
	Hash string `json:"hash"`
}

Entry carries the name and hash for one item within a Key

type Error

type Error string

Error is used to handle cache misses and the like

func (Error) Error

func (e Error) Error() string

type Key

type Key struct {
	Project     string   `json:"project"`
	Component   string   `json:"component"`
	Rule        string   `json:"rule"`
	Image       string   `json:"image"`
	OutputCount int      `json:"output_count"`
	Inputs      []*Entry `json:"inputs"`
	Deps        []*Entry `json:"deps"`
	Env         []*Entry `json:"env"`
	Toolchain   []*Entry `json:"toolchain"`
	Version     string   `json:"version"`
	Commands    []string `json:"commands"`
	// contains filtered or unexported fields
}

Key contains information used to build a key

func (*Key) Compute

func (k *Key) Compute() error

Compute determines the hash for this key

func (*Key) String

func (k *Key) String() string

String returns the key as a hexadecimal string

Jump to

Keyboard shortcuts

? : This menu
/ : Search site
f or F : Jump to
y or Y : Canonical URL