Usage • Installation • Flags • Contributing •

Pod Logs (plogs)

plogs is a kubernetes plugin that facilitates retrieving logs from Kubernetes pods with various filtering and highlighting options. It allows users to specify the namespace, container name, labels, and mark specific words for highlighting within the logs stream.

Usage

Installation

You can install the "plogs" plugin using krew

kubectl krew install plogs

Alternative Installation Methods

Linux Packages

• Bash Install Script

  By default, plogs is going to be installed at /usr/bin/. sudo privileges are required for this operation.

  If you would like to provide a custom install path, you can do so as an input to the script. For example, you can run ./install.sh $HOME/bin to install plogs in the specified directory.

curl -sL https://bit.ly/installplogs | sudo sh

OR

curl -s https://raw.githubusercontent.com/kha7iq/plogs/main/install.sh | sudo sh

• DEB & RPM

# DEB
export PLOGS_VERSION="0.1.1"
wget -q https://github.com/kha7iq/plogs/releases/download/v${PLOGS_VERSION}/plogs_amd64.deb
sudo dpkg -i plogs_amd64.deb
# RPM
sudo rpm -i plogs_amd64.rpm

Manual

# Chose desired version
export PLOGS_VERSION="0.1.1"
wget -q https://github.com/kha7iq/plogs/releases/download/v${PLOGS_VERSION}/plogs_linux_amd64.tar.gz && \
tar -xf plogs_linux_amd64.tar.gz && \
chmod +x plogs && \
sudo mv plogs /usr/bin/kubectl-plogs

Checkout release page for all supported OS binaries.

Flags

• --mark, -m

  • Usage: --mark <word>
  • Alias: -m
  • Marks logs containing the specified word or sentence.

• --namespace, -n

  • Usage: --namespace <namespace>
  • Alias: -n
  • Specifies the Kubernetes namespace. If not specified, uses the namespace set in the context. If context namespace is also empty, defaults to "default".

• --container, -c

  • Usage: --container <containerName>
  • Alias: -c
  • Specifies the container name within the pod. If not specified and the pod has multiple containers, defaults to the first container.

• --label, -l

  • Usage: --label <labels>
  • Alias: -l
  • Specifies labels to match for pods.

• --pod, -p

  • Usage: --pod <podName>
  • Alias: -p
  • Specifies the pod name.

• --follow, -f

  • Usage: --follow
  • Alias: -f
  • Specifies to follow logs continuously.

• --tail, -t

  • Usage: --tail <lines>
  • Alias: -t
  • Specifies the number of lines to show from the end of logs.

Alias

Consider adding this alias to your .bashrc or .zshrc for convenience.

echo "alias kpl='kubectl plogs'" >> .bashcr

echo "alias kplf='kubectl plogs -f'" >> .bashrc

Examples

1. Retrieve logs from all pods matching label

kpl -n dev -l app=myapp -m "fail" -p my-pod -t 10

2. Retrieve logs for a specific pod:

kplf -n dev -p my-pod -t 10

Prerequisites

• Kubernetes cluster access or kubeconfig set up

Issues

If you encounter any problems or have suggestions for improvements, please open an issue on GitHub.

Contributing

Contributions, issues and feature requests are welcome!
Feel free to check issues page. You can also take a look at the contributing guide.