tag: ansible
- Lost the only SSH key on a Yandex Cloud fleet: getting back in Why detaching a boot disk fails, the snapshot-based rescue technique that works instead, and scaling it to 80 hosts with Ansible without losing quorum.
- Kubespray: a Dedicated Control Plane and Two Workers to Offload a Saturated Node Splitting an overloaded single Kubernetes node into a dedicated control plane plus two workers with Kubespray v2.31: inventory, Cilium, and workload isolation.
- Ansible for multi-cluster k3s management Inventory structure, node preparation role, k3s install, Cilium bootstrap before Flux, kubeconfig extraction with host substitution. Idempotent playbooks for OS-level changes.
- Bootstrapping k3s clusters with Ansible and Flux Ansible handles OS prep, k3s install, and Cilium setup. Flux bootstrap via ansible-playbook. Spoke kubeconfigs sealed and committed.
- Ansible playbook for k3s: sysctl, kernel modules, and Cilium bootstrap Idempotent Ansible playbook: sysctl settings for Kubernetes networking, inotify limits, swap disable, kernel modules, k3s server installation with --flannel-backend=none, and Cilium bootstrap via helm.
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