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Signed-off-by: Qiutong Song <songqt01@gmail.com>
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Qiutong Song
2020-12-08 20:44:51 +00:00
parent cb55041b1a
commit 3e8e1d924e
2 changed files with 14 additions and 9 deletions
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content/en/blog/_posts/2020-12-02-dockershim-faq.md
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@@ -140,7 +140,7 @@ runtime where possible.
Another thing to look out for is anything expecting to run for system maintenance Another thing to look out for is anything expecting to run for system maintenance
or nested inside a container when building images will no longer work. For the or nested inside a container when building images will no longer work. For the
former, you can use the [`crictl`][cr] tool as a drop-in replacement and for the former, you can use the [`crictl`][cr] tool as a drop-in replacement (see [mapping from docker cli to crictl](https://kubernetes.io/docs/tasks/debug-application-cluster/crictl/#mapping-from-docker-cli-to-crictl)) and for the
latter you can use newer container build options like [img], [buildah], or latter you can use newer container build options like [img], [buildah], or
[kaniko] that don’t require Docker. [kaniko] that don’t require Docker.
content/en/docs/tasks/debug-application-cluster/crictl.md
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@@ -364,35 +364,39 @@ Warn: the output format of CRICTL is similar to Docker CLI, despite some missing
### Retrieve Debugging Information ### Retrieve Debugging Information
{{< table caption="mapping from docker cli to crictl - retrieve debugging information" >}}
docker cli | crictl | Description | Unsupported Features docker cli | crictl | Description | Unsupported Features
-- | -- | -- | -- -- | -- | -- | --
attach | attach | Attach to a running container | --detach-keys, --sig-proxy attach | attach | Attach to a running container | `--detach-keys`, `--sig-proxy`
exec | exec | Run a command in a running container | --privileged, --user, --detach-keys exec | exec | Run a command in a running container | `--privileged`, `--user`, `--detach-keys`
images | images | List images |   images | images | List images |  
info | info | Display system-wide information |   info | info | Display system-wide information |  
inspect | inspectinspecti | Return low-level information on a container, image or task |   inspect | inspectinspecti | Return low-level information on a container, image or task |  
logs | logs | Fetch the logs of a container | --details logs | logs | Fetch the logs of a container | `--details`
ps | ps | List containers |   ps | ps | List containers |  
stats | stats | Display a live stream of container(s) resource usage statistics | Column: NET/BLOCK I/O, PIDs stats | stats | Display a live stream of container(s) resource usage statistics | Column: NET/BLOCK I/O, PIDs
version | version | Show the runtime (Docker, ContainerD, or others) version information |   version | version | Show the runtime (Docker, ContainerD, or others) version information |  
{{< /table >}}
### Perform Changes ### Perform Changes
{{< table caption="mapping from docker cli to crictl - perform changes" >}}
docker cli | crictl | Description | Unsupported Features docker cli | crictl | Description | Unsupported Features
-- | -- | -- | -- -- | -- | -- | --
create | create | Create a new container |   create | create | Create a new container |  
kill | stop (timeout = 0) | Kill one or more running container | --signal kill | stop (timeout = 0) | Kill one or more running container | `--signal`
pull | pull | Pull an image or a repository from a registry | --all-tags, --disable-content-trust pull | pull | Pull an image or a repository from a registry | `--all-tags`, `--disable-content-trust`
rm | rm | Remove one or more containers |   rm | rm | Remove one or more containers |  
rmi | rmi | Remove one or more images |   rmi | rmi | Remove one or more images |  
run | run | Run a command in a new container |   run | run | Run a command in a new container |  
start | start | Start one or more stopped containers | --detach-keys start | start | Start one or more stopped containers | `--detach-keys`
stop | stop | Stop one or more running containers |   stop | stop | Stop one or more running containers |  
update | update | Update configuration of one or more containers | --restart, --blkio-weight and some other resource limit not supported by CRI. update | update | Update configuration of one or more containers | `--restart`, `--blkio-weight` and some other resource limit not supported by CRI.
{{< /table >}}
### Supported only in crictl ### Supported only in crictl
{{< table caption="mapping from docker cli to crictl - supported only in crictl" >}}
crictl | Description crictl | Description
-- | -- -- | --
imagefsinfo | Return image filesystem info imagefsinfo | Return image filesystem info
@@ -402,3 +406,4 @@ pods | List pods
runp | Run a new pod runp | Run a new pod
rmp | Remove one or more pods rmp | Remove one or more pods
stopp | Stop one or more running pods stopp | Stop one or more running pods
{{< /table >}}