81 lines
2.7 KiB
Makefile
81 lines
2.7 KiB
Makefile
set fallback := true
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export LOCAL_K8S_HOST := env("LOCAL_K8S_HOST", "")
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export EXTERNAL_K8S_HOST := env("EXTERNAL_K8S_HOST", "")
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export KEYCLOAK_HOST := env("KEYCLOAK_HOST", "")
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export KEYCLOAK_REALM := env("KEYCLOAK_REALM", "k8shl")
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[private]
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default:
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@just --list --unsorted --list-submodules
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# Install k3s cluster
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install:
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#!/bin/bash
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set -euo pipefail
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just env::check
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username=$(gum input --prompt="SSH username: " --value="${USER}" --width=100)
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kubeconfig=""
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context=""
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if gum confirm "Update KUBECONFIG?"; then
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kubeconfig=$(
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gum input --prompt="KUBECONFIG file: " --value="${HOME}/.kube/config" --width=100
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)
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context=$(
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gum input --prompt="Context name: " --value="${LOCAL_K8S_HOST}" --width=100
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)
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fi
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args=(
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"install"
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"--host" "${LOCAL_K8S_HOST}"
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"--tls-san" "${EXTERNAL_K8S_HOST}"
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"--user" "${username}"
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)
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if [ -n "${context}" ]; then
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args+=("--context" "${context}")
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fi
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if [ -n "${kubeconfig}" ]; then
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mkdir -p "$(dirname "${kubeconfig}")"
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args+=("--local-path" "${kubeconfig}" "--merge")
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fi
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echo "Running: k3sup ${args[*]}"
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k3sup "${args[@]}"
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echo "k3s cluster installed on ${LOCAL_K8S_HOST}."
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# Uninstall k3s cluster
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uninstall:
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#!/bin/bash
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set -euo pipefail
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if gum confirm "Uninstall k3s from ${LOCAL_K8S_HOST}?"; then
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ssh "${LOCAL_K8S_HOST}" "/usr/local/bin/k3s-uninstall.sh"
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else
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echo "Uninstallation cancelled." >&2
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exit 1
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fi
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# Setup k8s OIDC authentication (proxy-url example: socks5://localhost:6443)
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setup-oidc proxy-url='':
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#!/bin/bash
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set -euo pipefail
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kubectl config set-credentials ${LOCAL_K8S_HOST}-oidc \
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--exec-api-version=client.authentication.k8s.io/v1beta1 \
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--exec-command=kubectl \
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--exec-arg=oidc-login \
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--exec-arg=get-token \
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--exec-arg=--oidc-issuer-url=https://${KEYCLOAK_HOST}/realms/${KEYCLOAK_REALM} \
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--exec-arg=--oidc-client-id=${K8S_OIDC_CLIENT_ID}
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ssh ${LOCAL_K8S_HOST} \
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'openssl s_client -connect 127.0.0.1:6443 -showcerts </dev/null 2>/dev/null |
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openssl x509 -outform PEM' > ${HOME}/.kube/${LOCAL_K8S_HOST}.crt
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kubectl config set-cluster ${LOCAL_K8S_HOST}-oidc \
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--certificate-authority=${HOME}/.kube/${LOCAL_K8S_HOST}.crt \
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--server=https://${EXTERNAL_K8S_HOST}
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if [ -n "{{ proxy-url }}" ]; then
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kubectl config set-cluster ${LOCAL_K8S_HOST}-oidc --proxy-url={{ proxy-url }} \
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--server=https://${EXTERNAL_K8S_HOST}
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fi
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kubectl config set-context ${LOCAL_K8S_HOST}-oidc \
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--cluster=${LOCAL_K8S_HOST}-oidc --user=${LOCAL_K8S_HOST}-oidc
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kubectl config use-context ${LOCAL_K8S_HOST}-oidc
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