umegbewe / kubectl-multilog

Stream tailed logs across containers, pods and clusters

kubectl-multilog

CLI tool for real-time streaming of logs from multiple Kubernetes pods.

Demo

Features

• Real-time streaming of logs from selected pods and containers.
• Fetch logs across multiple clusters
• Color-coding to differentiate logs from different pods/containers.
• Fetch logs based on timestamps (sinceSeconds or sinceTime).
• Supports logs from init containers.

Building

To build kubectl-multilog, you need Go installed on your machine. You can then build the binary using the following command:

go build -o kubectl-multilog

Move the binary to a directory in your PATH, you might need to run this with sudo

mv kubectl-multilog /usr/local/bin

Usage

Here's how to use the :

kubectl multilog --help

--kubeconfig <kubeconfig_path> --context <kubernetes,context> --namespace <namespace> --selector <label_selector> --init-containers <bool> --previous <bool>

Options:

kubeconfig: Path to the kubeconfig file. Defaults to ~/.kube/config.

context: Optional, seperated by commas

namespace: Kubernetes namespace to use. Defaults to default.

selector: Label selector to filter the pods.

init-containers: Whether to include init containers. Defaults to false.

previous: Whether to include previous terminated containers. Defaults to false.

container: Specific container to fetch logs from within a pod.

since: Fetch logs since a specific point in time or duration (e.g., 5m for last five minutes).

Contributing

Contributions are welcome! Please submit a pull request or create an issue to contribute to this project.

License

This project is licensed under the MIT License.