Copying Container Files

Copying Container Files

TL;DR

• Copy files to and from Containers in a cluster

Copying Container Files

Motivation

• Copying files from Containers in a cluster to a local filesystem
• Copying files from a local filesystem to Containers in a cluster

Install Tar

Copy requires that tar be installed in the container image.

Local to Remote

Copy a local file to a remote Pod in a cluster.

• Local file format is <path>
• Remote file format is <pod-name>:<path>

kubectl cp /tmp/foo_dir <some-pod>:/tmp/bar_dir

Remote to Local

Copy a remote file from a Pod to a local file.

• Local file format is <path>
• Remote file format is <pod-name>:<path>

kubectl cp <some-pod>:/tmp/foo /tmp/bar

Operations

One can also perfrom operations such as:

• Copy a specific container within a Pod running multiple containers
• Set the Pod namespace by prefixing the Pod name with <namespace>/.

Command / Examples

Check out the reference for commands and examples of cp