Kinu

Kinu is the server that resizing images. Inspired by cookpad's image server Tofu.

Status

It's development now for first alpha release.

Dependency

• ImageMagick >= 6.8.9-9 && < 7.0.0

Installation

# Please to Install the ImageMagick before this
go get github.com/tokubai/kinu

or

docker pull tokubai/kinu:1.0.0.alpha13

Startup

go get

$ export KINU_LOG_LEVEL=info
$ export KINU_RESIZE_ENGINE=ImageMagick
$ export KINU_STORAGE_TYPE=File 
$ export KINU_FILE_DIRECTORY=/tmp/kinu
$ kinu
INFO[0000] setup resize engine                           resize_engine_type=ImageMagick
INFO[0000] setup storage                                 storage_type=File
INFO[0000] [starting kinu on 127.0.0.1:8080]

$ curl http://localhost:8080/version

docker run

$ docker run tokubai/kinu:1.0.0.alpha13
INFO[0000] setup resize engine                           resize_engine_type=ImageMagick
INFO[0000] setup storage                                 storage_type=File
INFO[0000] [starting kinu on 0.0.0.0:80]

$ curl http://localhost/version

Usage

ImageUpload

kinu.gem(Recommended)

require 'kinu'
Kinu::Resource.new(:foods, 1).upload(open('/path/to/image.jpg'))

curl

$ curl -X POST -F id=1 -F name=foods -F image=@/path/to/image http://localhost/upload

GetResizedImage

kinu.gem(Recommended)

require 'kinu'
require 'open-uri'
uri = Kinu::Resource.new(:foods, 1).uri(width: 280, height: 300) #<URI::HTTP http://localhost/images/foods/w=280,h=300/1.jpg>
open(uri).read

curl

$ curl http://localhost/images/foods/w=280,h=300/1.jpg

UploadToSandbox(Temporary)

kinu.gem(Recommended)

require 'kinu'
Kinu::Sandbox.upload(open('/path/to/image.jpg')) #<Kinu::Sandbox:0x007fdf92bdc490 @id="db4f1509-e2f5-40a7-9944-a6b0024f2a24", @name="__sandbox__">

curl

$ curl -X POST -F image=@/path/to/image http://localhost/sandbox

Attach from Sandbox

kinu.gem(Recommended)

require 'kinu'
Kinu::Sandbox.upload(open('/path/to/image.jpg')).attach_to(:foods, 1) #<Kinu::Resource:0x007fdf92b44a00 @id="1", @name="foods">

curl

$ curl -X POST -F sandbox_id=db4f1509-e2f5-40a7-9944-a6b0024f2a24 -F name=foods -F id=1 http://localhost/sandbox

Specification

Endpoints

now writing

Image resize query

now writing

Environment variables

name	required	default value	valid value type	note
KINU_BIND	☓	127.0.0.1:80	IP:PORT / unix domain socket path / Einhorn(einhorn@[num]) / FileDescripter(fd@[num])	Compliance with the specifications of the goji/bind package.
KINU_DEBUG	☓	none	true	enable pprof
KINU_RESIZE_ENGINE	◯	none	ImageMagick
KINU_LOG_LEVEL	◯	none	panic / fatal / error / warning / info / debug
KINU_LOG_FORMAT	☓	text	ltsv / json / text
KINU_RESIZE_WORKER_MODE	☓	none	true
KINU_RESIZE_WORKER_MAX_SIZE	☓	cpu num * 10	Integer
KINU_RESIZE_WORKER_WAIT_BUFFER	☓	KINU_RESIZE_WORKER_SIZE * 3	Integer
KINU_STORAGE_TYPE	◯	none	File / S3
KINU_FILE_DIRECTORY	☓	none	directory path	When the File has been set in a KINU_STORAGE_TYPE\ you must set this variable.
KINU_S3_REGION	☓	none	AWS Region	When the S3 has been set in a KINU_STORAGE_TYPE\ you must set this variable.
KINU_S3_BUCKET	☓	none	Amazon S3 bucket	When the S3 has been set in a KINU_STORAGE_TYPE\ you must set this variable.
KINU_S3_BUCKET_BASE_PATH	☓	none
AWS_ACCESS_KEY_ID	△	none		Compliance with the specifications of the aws-sdk-go package.
AWS_SECRET_ACCESS_KEY	△	none		Compliance with the specifications of the aws-sdk-go package.

Directory structure of the image storage.

now writing

Contributing

Bug reports and pull requests are welcome on GitHub at https://github.com/tokubai/kinu

Thanks

• Issei Naruta
  • The Tofu, which inspired Kinu, is created by him.

Author

• Takatoshi Maeda
• Shinya Watanabe