Moritz Graf
80a056f720
- Update init.sh with smart checkout, patch application, sync-inventory alias, and runbook output - Rewrite bootstrap/README.md with step-by-step upgrade guide, architectural invariants, and troubleshooting - Update bootstrap/AGENTS.md with single-node operational rules and OS constraints
79 lines
4.1 KiB
Bash
Executable File
79 lines
4.1 KiB
Bash
Executable File
#!/bin/sh
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# Ensure script is sourced, not executed directly
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[[ "${BASH_SOURCE[0]}" == "${0}" ]] && echo "Error: init.sh must be sourced: source ./init.sh (or . ./init.sh)" && exit 1
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BOOTSTRAP_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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VERSION="release-2.28" # Note: release-2.28 is the final release line supporting Ubuntu 20.04 LTS
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echo "======================================================================================"
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echo "## [1/4] Checking / Cloning Kubespray ($VERSION)"
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echo "======================================================================================"
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if [ ! -d "$BOOTSTRAP_DIR/kubespray/.git" ]; then
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rm -rf "$BOOTSTRAP_DIR/kubespray"
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git clone --branch "$VERSION" --depth 1 https://github.com/kubernetes-sigs/kubespray.git "$BOOTSTRAP_DIR/kubespray"
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else
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echo "Existing kubespray checkout detected. Ensuring correct branch..."
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git -C "$BOOTSTRAP_DIR/kubespray" fetch origin "$VERSION" --depth 1
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git -C "$BOOTSTRAP_DIR/kubespray" checkout "$VERSION"
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fi
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if [ -d "$BOOTSTRAP_DIR/patches" ]; then
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for p in "$BOOTSTRAP_DIR"/patches/*.patch; do
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if [ -f "$p" ]; then
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echo "## Applying patch $(basename "$p")..."
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git -C "$BOOTSTRAP_DIR/kubespray" apply --check "$p" 2>/dev/null && git -C "$BOOTSTRAP_DIR/kubespray" apply "$p" || echo "Patch $(basename "$p") already applied or skipped."
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fi
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done
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fi
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echo "======================================================================================"
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echo "## [2/4] Activating Python Virtualenv"
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echo "======================================================================================"
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eval "$(pyenv init -)"
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eval "$(pyenv virtualenv-init -)"
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pyenv virtualenvs --bare | grep -q "^infrapuzzle-bootstrap$" || pyenv virtualenv 3.10.8 infrapuzzle-bootstrap
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pyenv activate infrapuzzle-bootstrap
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python -m pip install -q -r "$BOOTSTRAP_DIR/kubespray/requirements.txt"
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echo "======================================================================================"
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echo "## [3/4] Syncing Inventory Configuration"
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echo "======================================================================================"
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rsync -a "$BOOTSTRAP_DIR/inventory/" "$BOOTSTRAP_DIR/kubespray/inventory/"
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# Helper function for re-syncing changes made in ./inventory to ephemeral ./kubespray/inventory
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sync-inventory() {
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rsync -av "$BOOTSTRAP_DIR/inventory/" "$BOOTSTRAP_DIR/kubespray/inventory/"
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}
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export -f sync-inventory 2>/dev/null || true
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alias sync-inventory="rsync -av '$BOOTSTRAP_DIR/inventory/' '$BOOTSTRAP_DIR/kubespray/inventory/'"
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echo "======================================================================================"
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echo "## [4/4] Environment Ready! Single-Node Cluster Upgrade Workflow"
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echo "======================================================================================"
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echo ""
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echo "Current directory changed to: $BOOTSTRAP_DIR/kubespray"
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cd "$BOOTSTRAP_DIR/kubespray"
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echo ""
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echo "=== PRE-UPGRADE CHECKLIST ==="
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echo "1. Verify SSH connection and sudo access:"
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echo " ssh moritz@136.243.23.215 'sudo kubectl get nodes -o wide'"
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echo "2. Take manual etcd snapshot before upgrading:"
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echo " ssh moritz@136.243.23.215 'sudo etcdctl --cacert=/etc/ssl/etcd/ssl/ca.pem --cert=/etc/ssl/etcd/ssl/node-haumdaucher.pem --key=/etc/ssl/etcd/ssl/node-haumdaucher-key.pem snapshot save /var/backups/etcd/etcd-pre-upgrade-\$(date +%Y%m%d%H%M%S).db'"
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echo ""
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echo "=== TWO-PHASE UPGRADE WORKFLOW ==="
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echo "Phase 1: Reconcile Kubespray baseline (keeps current k8s version):"
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echo " ansible-playbook -i inventory/prod/inventory.ini cluster.yml"
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echo ""
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echo "Phase 2: Upgrade Kubernetes version (e.g. to 1.32.13):"
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echo " a) Update 'kube_version: <target>' in ../inventory/prod/group_vars/k8s_cluster/k8s-cluster.yml"
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echo " b) Sync inventory: sync-inventory"
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echo " c) Run in-place single-node upgrade:"
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echo " ansible-playbook -i inventory/prod/inventory.ini -e upgrade_cluster_setup=true cluster.yml"
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echo ""
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echo "=== POST-UPGRADE VERIFICATION ==="
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echo " kubectl version"
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echo " kubectl get nodes -o wide"
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echo " kubectl get pods -A | grep -v -E 'Running|Completed'"
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echo "======================================================================================"
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