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OCT - OCI Test

The ocitest aims to test if a container runtime is compliant with opencontainers/specs,
It is a light weight testing framework, using ocitools and 3rd-party plugin tools, managing configurable high coverage bundles as cases, supporting testing different runtimes.

Summary for the impatient

Key note
Be sure you have already installed golang and the container runtime to be test, such as runc and rkt .

$ go get github.com/opencontainers/specs               #download specs of OCI
$ go get github.com/huawei-openlab/oct                 #get oct source code       
$ cd $GOPATH/src/github.com/huawei-openlab/oct         #change dir to workspace 
$ make                                                 #build      
$ ./ocitest                                            #run

OCI Test Quickstart

####Usage

$ ./ocitest --help
NAME:
   oci-testing - Utilities for OCI Testing,

    It is a light weight testing framework,
    using ocitools and 3rd-party tools, 
    managing configurable high coverage bundles as cases, 
    supporting testing different runtimes.

USAGE:
   ./ocitest [global options] command [command options] [arguments...]
   
VERSION:
   0.0.1
   
COMMANDS:
   help, h  Shows a list of commands or help for one command
   
GLOBAL OPTIONS:
   --runtime,  -r   "runc"    runtime to be tested, -r=runc or -r=rkt or -r=docker     
   --output,    -o   "all"       format and content to be ouputed, -o=all: ouput sucessful details and statics, -o=err-only: ouput failure details and statics           
   --debug,    -d                  switch of debug mode, defaults to false, with '--debug' to enable debug mode     
   --help,       -h                  show help     
   --generate-bash-completion           
   --version,  -v                  print the version

####Supported runtime

|Name|Status| |------|----|------| | runc | Supported| | rkt | Supported | | docker | Planning|

####Test Flow testflow

####Using Tools

Tools used by ocitest as plugins, including:

NOTE: ocitools are foked from github.com/mrunalp, added some adaptor changes for oct.

See plugins/Makefile

####About Test Cases

Cases are listed in cases.conf, as the fomate of bunldes, It is going to be rich, in the fomate of below:

process= --args=./runtimetest --args=vp --rootfs=rootfs --terminal=false;--args=./runtimetest --args=vp --rootfs=rootfs --terminal=false     
# result to generate two cases in [bundle](./bundle), should be bundle/process0 and bundle/process1,        
# and '--args=./runtimetest --args=vp --rootfs=rootfs --terminal=false' is params for ocitools generate

Advantages of OCI Test

  1. Light weight testing freamwork
  2. High coverage test cases, configurable, easy to add cases
  3. Tools are used as plugins ,feel free to use any 3rd-paty tools
  4. Uses goroutine, each go routine runs a case bundle to validate

Next to Do

  1. Rich cases:

    Encrease the functionality of ocitools in cmd/runtimetest
    Rich cases in cases.conf

  2. Support other containers

Reference

OCI specs on https://github.com/opencontainers/specs

OCI runc on https://github.com/opencontainers/runc