just enabled #1

Merged
baschno merged 3 commits from just into master 2025-12-22 19:47:19 +00:00
7 changed files with 247 additions and 1 deletions
Showing only changes of commit 5abc0de38a - Show all commits

1
.gitignore vendored Normal file
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.env.local

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@@ -39,4 +39,25 @@ Rancher Installation
```
kubectl taint nodes master node-role.kubernetes.io/master=:NoSchedule
```
```
# Just Setup // K3sup
export SERVER_IP=192.168.178.45
export AGENT_IP=192.168.178.75
export USER=basti
k3sup install \
--cluster \
--ip 192.168.178.45 \
--user $USER \
--merge \
--local-path $HOME/.kube/config \
--context my-k3s
k3sup join \
--ip $AGENT_IP \
--server-ip $SERVER_IP \
--user $USER

134
01_Basic_Setup/justfile Normal file
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set fallback := true
export LOCAL_K8S_HOST := env("LOCAL_K8S_HOST", "")
export EXTERNAL_K8S_HOST := env("EXTERNAL_K8S_HOST", "")
export KEYCLOAK_HOST := env("KEYCLOAK_HOST", "")
export KEYCLOAK_REALM := env("KEYCLOAK_REALM", "buunstack")
export K8S_OIDC_CLIENT_ID := env('K8S_OIDC_CLIENT_ID', "k8s")
export K3S_ENABLE_REGISTRY := env("K3S_ENABLE_REGISTRY", "true")
export SERVER_IP := env("K3S_SERVER_IP","192.168.178.45")
export AGENT_IP := env("K3S_AGENT_IP","192.168.178.75")
export USER := env("K3S_USER","basti")
[private]
default:
@just --list --unsorted --list-submodules
install:
#!/bin/bash
set -euo pipefail
just env::check
username=$(gum input --prompt="SSH username: " --value="${USER}" --width=100)
kubeconfig=""
context=""
if gum confirm "Update KUBECONFIG?"; then
kubeconfig=$(
gum input --prompt="KUBECONFIG file: " --value="${HOME}/.kube/config" --width=100
)
context=$(
gum input --prompt="Context name: " --value="${LOCAL_K8S_HOST}" --width=100
)
fi
args=(
"install"
"--host" "${LOCAL_K8S_HOST}"
"--ip" "${SERVER_IP}"
"--tls-san" "${EXTERNAL_K8S_HOST}"
"--user" "${username}"
)
if [ -n "${context}" ]; then
args+=("--context" "${context}")
fi
if [ -n "${kubeconfig}" ]; then
mkdir -p "$(dirname "${kubeconfig}")"
args+=("--local-path" "${kubeconfig}" "--merge")
fi
echo "Running: k3sup ${args[*]}"
k3sup "${args[@]}"
if [ -n "${context}" ]; then
kubectl config use-context "${context}"
fi
if [ "${K3S_ENABLE_REGISTRY}" = "true" ]; then
echo "Setting up local Docker registry..."
# Deploy Docker registry to cluster
kubectl apply -f ./registry/registry.yaml
# Set Pod Security Standard for registry namespace
kubectl label namespace registry pod-security.kubernetes.io/enforce=restricted --overwrite
# Wait for registry deployment
echo "Waiting for registry to be ready..."
kubectl wait --for=condition=available --timeout=60s deployment/registry -n registry
# Configure registries.yaml for k3s
just configure-registry
echo "✓ Local Docker registry deployed and configured"
echo ""
echo "Registry accessible at:"
echo " localhost:30500"
echo ""
echo "Usage:"
echo " export DOCKER_HOST=ssh://${LOCAL_K8S_HOST}"
echo " docker build -t localhost:30500/myapp:latest ."
echo " docker push localhost:30500/myapp:latest"
echo " kubectl run myapp --image=localhost:30500/myapp:latest"
fi
echo "k3s cluster installed on ${LOCAL_K8S_HOST}."
uninstall:
#!/bin/bash
set -euo pipefail
if gum confirm "Uninstall k3s from ${LOCAL_K8S_HOST}?"; then
echo "Removing content of Agent node..."
ssh "${AGENT_IP}" "/usr/local/bin/k3s-agent-uninstall.sh"
echo "Removing content of Server node..."
ssh "${SERVER_IP}" "/usr/local/bin/k3s-uninstall.sh"
echo "Cleaning up kubeconfig entries..."
cluster_name=$(kubectl config view -o json | jq -r ".contexts[] | select(.name == \"${LOCAL_K8S_HOST}\") | .context.cluster // empty")
user_name=$(kubectl config view -o json | jq -r ".contexts[] | select(.name == \"${LOCAL_K8S_HOST}\") | .context.user // empty")
if kubectl config get-contexts "${LOCAL_K8S_HOST}" &>/dev/null; then
kubectl config delete-context "${LOCAL_K8S_HOST}"
echo "Deleted context: ${LOCAL_K8S_HOST}"
fi
if [ -n "${cluster_name}" ] && kubectl config get-clusters | grep -q "^${cluster_name}$"; then
kubectl config delete-cluster "${cluster_name}"
echo "Deleted cluster: ${cluster_name}"
fi
if [ -n "${user_name}" ] && kubectl config get-users | grep -q "^${user_name}$"; then
kubectl config delete-user "${user_name}"
echo "Deleted user: ${user_name}"
fi
echo "k3s cluster uninstalled from ${LOCAL_K8S_HOST}."
else
echo "Uninstallation cancelled." >&2
exit 1
fi
add-agent:
#!/bin/bash
set -euo pipefail
just env::check
username=$(gum input --prompt="SSH username: " --value="${USER}" --width=100)
new_agent_ip=$(gum input --prompt="Agent IP to join cluster: " --value="${AGENT_IP}" --width=100)
args=(
"join"
"--ip" "${new_agent_ip}"
"--server-ip" "${SERVER_IP}"
"--user" "${username}"
)
echo "Running: k3sup ${args[*]}"

4
env/env.local.gomplate vendored Normal file
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# shellcheck disable=all
LOCAL_K8S_HOST={{ .Env.LOCAL_K8S_HOST }}
SERVER_IP={{ .Env.SERVER_IP }}
AGENT_IP={{ .Env.AGENT_IP }}

69
env/justfile vendored Normal file
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set fallback := true
export ENV_FILE := ".env.local"
export LOCAL_K8S_HOST := env("LOCAL_K8S_HOST", "")
export SERVER_IP := env("SERVER_IP", "")
export AGENT_IP := env("AGENT_IP", "")
check:
#!/bin/bash
set -euo pipefail
if [ -z "${LOCAL_K8S_HOST}" ]; then
echo "LOCAL_K8S_HOST is not set. Please execute 'just env::setup'" >&2
exit 1
fi
if [ -z "${SERVER_IP}" ]; then
echo "SERVER_IP is not set. Please execute 'just env::setup'" >&2
exit 1
fi
if [ -z "${AGENT_IP}" ]; then
echo "AGENT_IP is not set. Please execute 'just env::setup'" >&2
exit 1
fi
setup:
#!/bin/bash
set -euo pipefail
if [ -f ../.env.local ]; then
echo ".env.local already exists." >&2
if gum confirm "Do you want to overwrite it?"; then
LOCAL_K8S_HOST=""
SERVER_IP=""
AGENT_IP=""
elif [[ $? -eq 130 ]]; then
echo "Setup cancelled by user." >&2
exit 1
else
echo "Aborting setup." >&2
exit 1
fi
fi
while [ -z "${LOCAL_K8S_HOST}" ]; do
if ! LOCAL_K8S_HOST=$(
gum input --prompt="Internal k8s hostname (for SSH): " \
--width=100 --placeholder="k8s-host"
); then
echo "Setup cancelled." >&2
exit 1
fi
done
while [ -z "${SERVER_IP}" ]; do
if ! SERVER_IP=$(
gum input --prompt="IP of Server/Master Node: " \
--width=100 --placeholder="Master Node IP"
); then
echo "Setup cancelled." >&2
exit 1
fi
done
while [ -z "${AGENT_IP}" ]; do
if ! AGENT_IP=$(
gum input --prompt="IP of Agent Node: " \
--width=100 --placeholder="Agent Node IP"
); then
echo "Setup cancelled." >&2
exit 1
fi
done
rm -f ../.env.local
gomplate -f env.local.gomplate -o ../.env.local

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set dotenv-filename := ".env.local"
export PATH := "./node_modules/.bin:" + env_var('PATH')
[private]
default:
@just --list --unsorted --list-submodules
mod env
mod BasicSetup '01_Basic_Setup'

7
mise.toml Normal file
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[tools]
jq = '1.8.1'
k3sup = '0.13.11'
helm = '3.19.0'
gum = '0.16.2'
gomplate = '4.3.3'
just = "1.42.4"