- Put script
kubectl-cpbase64into environment variable PATH.
mkdir -p ~/.local/bin
cp src/kubectl-cpbase64 ~/.local/bin
chmod u+x ~/.local/bin/kubectl-cpbase64
export PATH=~/.local/bin:${PATH}
kubectl cpbase64 help- Install via krew.
# install latest release
kubectl krew install cpbase64
# use it
kubectl cpbase64 help- Install via krew using this repo URL.
kubectl krew index add cpbase64 'https://github.com/freeella/kubectl-cpbase64.git'
kubectl krew update
kubectl krew index list
# install latest release
kubectl krew install cpbase64/cpbase64
# install special version (example: cpbase64 v0.2.6)
kubectl krew install cpbase64/cpbase64-v0-2-6
# install pre-release version
kubectl krew install cpbase64/cpbase64-test
# use it
kubectl cpbase64 version
kubectl cpbase64 helpRootless and distroless containers are very popular these days. This means that as less as possible command line tools are installed inside containers and no additional tools can be installed later. Distributions that do not ship busybox often do not ship tar by default.
Without tar command kubectl cp can't be used to copy debug data such as memory dumps from the container.
Because the command line tool base64 is still installed on many containers, kubectl cpbase64 tries to be an alternative to kubectl cp by
falling back to base64 and trying to be in sync with command line syntax of kubectl cp.
Usage: kubectl cpbase64 [from_location] [to_location] [-c container_name]
kubectl cpbase64 [-l|--local] /tmp/foo.txt [-r|--remote] [NS/]some-pod:[.|/tmp/[bar.txt]] [-c container_name]
kubectl cpbase64 [-r|--remote] [namespace/]some-pod:/tmp/foo.txt [-l|--local] [.|/tmp/[bar.txt]] [-c container_name]
'kubectl cpbase64' tries to be an alternative to 'kubectl cp'
when 'tar' is not available. Command 'base64' is used instead.
Command line syntax of 'kubectl cpbase64' is similar to 'kubectl cp'!
Command line examples:
kubectl cpbase64 version - returns the version of this plugin
kubectl cpbase64 help - returns this help screen
# Copy /tmp/foo from a remote pod to /tmp/bar locally
kubectl cpbase64 <some-pod>:/tmp/foo /tmp/bar
kubectl cpbase64 <some-namespace>/<some-pod>:/tmp/foo /tmp/bar
kubectl cpbase64 <some-namespace>/<some-pod>:/tmp/foo /tmp/bar -c <specific-container>
kubectl cpbase64 <some-pod>:/tmp/foo /tmp/bar -c <specific-container>
# Copy local /tmp/foo to a remote pod file /tmp/bar
kubectl cpbase64 /tmp/foo <some-pod>:/tmp/bar
kubectl cpbase64 /tmp/foo <some-namespace>/<some-pod>:/tmp/bar
kubectl cpbase64 /tmp/foo <some-namespace>/<some-pod>:/tmp/bar -c <specific-container>
kubectl cpbase64 /tmp/foo <some-pod>:/tmp/bar -c <specific-container>
# cpbase64 specific:
# Copy /tmp/foo from a remote pod to /tmp/foo locally
kubectl cpbase64 <some-pod>:/tmp/foo /tmp/
kubectl cpbase64 <some-pod>:/tmp/foo /tmp
cd ~/tmp; kubectl cpbase64 <some-pod>:/tmp/foo .
# Copy local /tmp/foo to a remote pod file /tmp/foo
kubectl cpbase64 /tmp/foo <some-pod>:/tmp/
# Copy local /tmp/foo to a remote pod file ~/foo
kubectl cpbase64 /tmp/foo <some-pod>:.
# Copy local /tmp/foo_2024-04-01_20:33:44 to some remote pod file /tmp/bar_2024-04-01_20:33:44
kubectl cpbase64 -l /tmp/foo_2024-04-01_20:33:44 -r <some-pod>:/tmp/bar_2024-04-01_20:33:44
kubectl cpbase64 --local /tmp/foo_2024-04-01_20:33:44 --remote <some-pod>:/tmp/bar_2024-04-01_20:33:44
# Copy from some remote pod file /tmp/foo_2024-04-01_20:33:44 to a local file /tmp/bar_2024-04-01_20:33:44
kubectl cpbase64 -r <some-pod>:/tmp/foo_2024-04-01_20:33:44 -l /tmp/bar_2024-04-01_20:33:44
kubectl cpbase64 --remote <some-pod>:/tmp/foo_2024-04-01_20:33:44 --local /tmp/bar_2024-04-01_20:33:44
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