cri-o/docs/kpod.1.md

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% kpod(1) kpod - Simple management tool for pods and images
% Dan Walsh
# kpod "1" "September 2016" "kpod"
## NAME
kpod - Simple management tool for containers and images
## SYNOPSIS
**kpod**
[**--help**|**-h**]
# DESCRIPTION
kpod is a simple client only tool to help with debugging issues when daemons
such as CRI runtime and the kubelet are not responding or failing. A shared API
layer could be created to share code between the daemon and kpod. kpod does not
require any daemon running. kpod utilizes the same underlying components that
crio uses i.e. containers/image, container/storage, oci-runtime-tool/generate,
runc or any other OCI compatible runtime. kpod shares state with crio and so
has the capability to debug pods/images created by crio.
**kpod [GLOBAL OPTIONS]**
## GLOBAL OPTIONS
**--help, -h**
Print usage statement
**--version, -v**
Print the version
## COMMANDS
### images
List images in local storage
### rmi
Removes one or more locally stored images
### tag
Add one or more additional names to locally-stored image
kpod: info subcommand Design: The output of the `info` subcommand ought to be directly consumable in a format like JSON or yaml. The structure being a map of sorts. Each subsection of information being an individual cluster under the top-level, like platform info, debug, storage, etc. Even if there are errors under the top level key, the value will be a map with the key of "error" and the value as the message of the `err.Error()`. In this way, the command always returns usable output. Ideally there will be a means for anything that can register info to do so independently from it being in the single info.go, so this approach is having a typed signature for the function that gives info, but i'm sure it could be better. Current iteration of this outputs the following as a limited user: ```yaml host: MemFree: 711307264 MemTotal: 2096222208 SwapFree: 2147479552 SwapTotal: 2147479552 arch: amd64 cpus: 1 os: linux store: error: 'mkdir /var/run/containers/storage: permission denied' ``` and as root (`sudo kpod info -D`): ```yaml debug: compiler: gc go version: go1.7.6 goroutines: 3 host: MemFree: 717795328 MemTotal: 2096222208 SwapFree: 2147479552 SwapTotal: 2147479552 arch: amd64 cpus: 1 os: linux store: ContainerStore: number: 1 GraphDriverName: overlay2 GraphRoot: /var/lib/containers/storage ImageStore: number: 1 ``` And with the `--json --debug` flag: ```json { "debug": { "compiler": "gc", "go version": "go1.7.6", "goroutines": 3 }, "host": { "MemFree": 709402624, "MemTotal": 2096222208, "SwapFree": 2147479552, "SwapTotal": 2147479552, "arch": "amd64", "cpus": 1, "os": "linux" }, "store": { "ContainerStore": { "number": 1 }, "GraphDriverName": "overlay2", "GraphRoot": "/var/lib/containers/storage", "ImageStore": { "number": 1 } } } ``` Signed-off-by: Vincent Batts <vbatts@hashbangbash.com>
2017-07-13 13:11:36 +00:00
### info
Displays system information
## SEE ALSO
crio(8), crio.conf(5)
## HISTORY
Dec 2016, Originally compiled by Dan Walsh <dwalsh@redhat.com>