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50 lines
1.5 KiB
Bash
Executable File
50 lines
1.5 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Create a local k3d cluster with only agents that join a remote K3s server.
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# This uses k3s args: --server and --token applied to all agent nodes.
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set -euo pipefail
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: "${K3D_CLUSTER_NAME:=prole-remote-agents}"
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: "${K3D_AGENTS:=2}"
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: "${K3D_IMAGE:=}" # e.g. rancher/k3s:v1.30.6-k3s1
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: "${K3D_REGISTRY_CONFIG:=}" # optional path to registries.yaml
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# Remote server details
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: "${K3S_REMOTE_SERVER_HOST:=raspberry.prole.org}"
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: "${K3S_REMOTE_SERVER_PORT:=6443}"
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: "${K3S_REMOTE_TOKEN:=}" # required
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if [[ -z "${K3S_REMOTE_TOKEN}" ]]; then
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echo "[error] K3S_REMOTE_TOKEN is required. Obtain it using k3s/get_remote_k3s_node_token.sh" >&2
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exit 1
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fi
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SERVER_URL="https://${K3S_REMOTE_SERVER_HOST}:${K3S_REMOTE_SERVER_PORT}"
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K3D_ARGS=(cluster create "${K3D_CLUSTER_NAME}" \
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--servers 0 \
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--agents "${K3D_AGENTS}" \
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--k3s-arg "--server=${SERVER_URL}@agent:*" \
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--k3s-arg "--token=${K3S_REMOTE_TOKEN}@agent:*"
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)
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if [[ -n "${K3D_IMAGE}" ]]; then
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K3D_ARGS+=(--image "${K3D_IMAGE}")
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fi
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if [[ -n "${K3D_REGISTRY_CONFIG}" ]]; then
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if [[ ! -f "${K3D_REGISTRY_CONFIG}" ]]; then
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echo "[error] Registry config not found: ${K3D_REGISTRY_CONFIG}" >&2
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exit 1
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fi
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K3D_ARGS+=(--registry-config "${K3D_REGISTRY_CONFIG}")
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fi
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echo "[info] Creating k3d agents-only cluster '${K3D_CLUSTER_NAME}' joining ${SERVER_URL}"
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set -x
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k3d "${K3D_ARGS[@]}"
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set +x
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echo "[ok] k3d cluster '${K3D_CLUSTER_NAME}' created with ${K3D_AGENTS} agent(s) joining ${SERVER_URL}"
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