Copy File From Kubernetes Pod To Local Machine?

Copy File From Kubernetes Pod To Local Machine
Copy file from pod to your local machine – As you might have guessed, you simply swap the parameters from the first example. kubectl cp my-pod:my-file my-file This will copy my-file from the working directory of your pod to your current directory.
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  1. Copying file from pod to local. kubectl cp :
  2. Copying file from specific container of pod to local. kubectl cp : -c specific_container.
  3. Copying file from local to pod. kubectl cp :

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How to copy files between pods in Kubernetes?

Kubectl cp command is most widely used to copy files between pods and local file system. It is more like SCP in Linux world to copy files between local to remote machines using ssh protocol. With kubectl cp you can perform the following tasks

  • upload a file to the pod from the local file system
  • download a file from the pod to the local
  • update/replace the files on the pod with a local copy

In this article, we will go through all the details you would require to copy files from and to the container in Kubernetes using kubectl. Copy File From Kubernetes Pod To Local Machine We will see examples of

  • how to copy files from your local machine to a container (pod)
  • how to copy files from a container(pod) to a local machine

If you are getting that question just like me. Can we use kubectl cp to copy files between two PODs the answer is NO. You cannot copy files between pods using kubectl cp, you can use Volumes to share files between pods
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How do I copy files from one kubectl container to another?

The kubectl CLI has a cp command that can be used to copy local files into a Pod. In the case of a Pod with multiple containers, known as sidecars, the cp command allows you to specify exact container to copy files in. The kubectl cp command is very simple to use. The syntax requires a files source and destination.
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How to copy files from pod to local path?

kubectl cp command is already mentioned by some of the users on this thread. kubectl cp : -n -c Note that to run this command tar utility should already be installed on the pod. However I have come across few errors while running this command on windows PowerShell. PS P:\Users\nstty\Downloads\k8s-diags> kubectl cp dremio-master-0:/var/log/dremio/server.log P:\Users\nstty\Downloads\k8s-diags\server-logs\ error: one of src or dest must be a local file specification error: one of src or dest must be a local file specification When running this command on windows, don’t use the full path of the local system. Use relative path instead (. or,). Now using relative path in the below command but getting a different error. PS P:\Users\nstty\Downloads\k8s-diags> kubectl cp dremio-master-0:/var/log/dremio/server.log, tar: Removing leading `/’ from member names error: open,: is a directory error: open,: is a directory If you are copying a file, then in the local path use the relative path along with the file name that you want for the copied file. kubectl will first create this file and then copy the contents to this file. Below is the working command. PS P:\Users\nstty\Downloads\k8s-diags> kubectl cp dremio-master-0:/var/log/dremio/server.log,\server-logs\server.log tar: Removing leading `/’ from member names tar: Removing leading `/’ from member names This message is just a warning from tar utility in your pod. The file should be copied to your local system. Alternate option : If you want to avoid kubectl cp, here is another approach which we use.
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How do I copy a pod from one container to another?

Copying files from a local machine to a container (Pod) – To copy a file from your local machine to a container, use the following command : kubectl cp / / : / -c Since a pod can have multiple containers, when you are copying files using the kubectl cp command, you should always specify the container from/to which you will be copying the files.

  • To list all the containers inside a pod, use the command: ➜ kubectl get pods -o jsonpath=’ ‘ Let us look at some examples to get a better understanding.
  • Kubectl cp /Users/vishn/Desktop/index.html tomcatinfra-7f58bf9cb8-wvmhl:ROOT/index.html -c tomcat8 ➜ kubectl cp /Users/vishn/Desktop/gritfygif.gif tomcatinfra-7f58bf9cb8-wvmhl:ROOT/gritfygif.gif -c tomcat8 In this example, I specified the container in which my web server is installed, then I replaced the default landing page of the web server with an index.html page I created and also added a GIF file that my index.html page contains.

Note: Remember, you have to specify the file name in both the source and destination. The command won’t work if you just specify a directory.
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