Files
buun-stack/longhorn/justfile
2025-11-20 22:12:28 +09:00

274 lines
8.7 KiB
Makefile

set fallback := true
export LONGHORN_NAMESPACE := env("LONGHORN_NAMESPACE", "longhorn")
export LONGHORN_VERSION := env("LONGHORN_VERSION", "1.9.1")
export LONGHORN_HOST := env("LONGHORN_HOST", "")
export LONGHORN_OIDC_CLIENT_ID := env("LONGHORN_OIDC_CLIENT_ID", "longhorn")
export KEYCLOAK_REALM := env("KEYCLOAK_REALM", "")
[private]
default:
@just --list --unsorted --list-submodules
# Add Helm repository
add-helm-repo:
helm repo add longhorn https://charts.longhorn.io
helm repo update
# Remove Helm repository
remove-helm-repo:
helm repo remove longhorn
# Create namespace
create-namespace:
#!/bin/bash
set -euo pipefail
if ! kubectl get namespace ${LONGHORN_NAMESPACE} &>/dev/null; then
kubectl create namespace ${LONGHORN_NAMESPACE}
else
echo "Namespace ${LONGHORN_NAMESPACE} already exists."
fi
# Delete namespace
delete-namespace:
#!/bin/bash
set -euo pipefail
if kubectl get namespace ${LONGHORN_NAMESPACE} &>/dev/null; then
kubectl delete namespace ${LONGHORN_NAMESPACE} --ignore-not-found
else
echo "Namespace ${LONGHORN_NAMESPACE} does not exist."
fi
# Install Longhorn
install:
#!/bin/bash
set -euo pipefail
# https://longhorn.io/docs/1.9.1/deploy/install/install-with-helm/
just add-helm-repo
helm upgrade --cleanup-on-fail --install longhorn longhorn/longhorn \
--version ${LONGHORN_VERSION} -n ${LONGHORN_NAMESPACE} --create-namespace --wait \
-f longhorn-values.yaml
just set-replicas 1
just patch-resources
# Uninstall Longhorn
uninstall:
#!/bin/bash
set -euxo pipefail
if ! kubectl get -n ${LONGHORN_NAMESPACE} settings.longhorn.io \
deleting-confirmation-flag &>/dev/null; then
kubectl apply -n ${LONGHORN_NAMESPACE} -f delete-setting.yaml
fi
helm uninstall longhorn -n ${LONGHORN_NAMESPACE} --ignore-not-found --wait
just delete-namespace
# Set Longhorn number of replicas
set-replicas num='1':
#!/bin/bash
set -euo pipefail
if ! command -v jq &>/dev/null; then
echo "jq is not installed. Install jq." >&2
exit 1
fi
yaml=$(kubectl get -n ${LONGHORN_NAMESPACE} configmap longhorn-storageclass \
-o jsonpath='{.data.storageclass\.yaml}')
modified_yaml=$(echo "${yaml}" | sed 's/numberOfReplicas: "3"/numberOfReplicas: "{{ num }}"/')
kubectl patch -n ${LONGHORN_NAMESPACE} configmap longhorn-storageclass \
--type merge -p "$(cat <<EOF
{
"data": {
"storageclass.yaml": $(echo "${modified_yaml}" | jq -Rsa)
}
}
EOF
)"
# Patch resources for Longhorn components based on Goldilocks/VPA recommendations
patch-resources:
#!/bin/bash
set -euo pipefail
echo "Patching Longhorn component resources based on Goldilocks/VPA recommendations..."
# Wait for deployments to be created
echo "Waiting for Longhorn deployments to be created..."
for i in {1..30}; do
if kubectl get deployment csi-attacher -n ${LONGHORN_NAMESPACE} &>/dev/null; then
echo "✓ Deployments are ready"
break
fi
if [ $i -eq 30 ]; then
echo "Warning: Timeout waiting for deployments. Skipping resource patching."
exit 0
fi
sleep 2
done
# Patch csi-attacher deployment
kubectl patch deployment csi-attacher -n ${LONGHORN_NAMESPACE} --type='json' -p='[
{
"op": "replace",
"path": "/spec/template/spec/containers/0/resources",
"value": {
"requests": {"cpu": "50m", "memory": "128Mi"},
"limits": {"cpu": "50m", "memory": "128Mi"}
}
}
]'
# Patch csi-provisioner deployment
kubectl patch deployment csi-provisioner -n ${LONGHORN_NAMESPACE} --type='json' -p='[
{
"op": "replace",
"path": "/spec/template/spec/containers/0/resources",
"value": {
"requests": {"cpu": "50m", "memory": "128Mi"},
"limits": {"cpu": "50m", "memory": "128Mi"}
}
}
]'
# Patch csi-resizer deployment
kubectl patch deployment csi-resizer -n ${LONGHORN_NAMESPACE} --type='json' -p='[
{
"op": "replace",
"path": "/spec/template/spec/containers/0/resources",
"value": {
"requests": {"cpu": "50m", "memory": "128Mi"},
"limits": {"cpu": "50m", "memory": "128Mi"}
}
}
]'
# Patch csi-snapshotter deployment
kubectl patch deployment csi-snapshotter -n ${LONGHORN_NAMESPACE} --type='json' -p='[
{
"op": "replace",
"path": "/spec/template/spec/containers/0/resources",
"value": {
"requests": {"cpu": "50m", "memory": "128Mi"},
"limits": {"cpu": "50m", "memory": "128Mi"}
}
}
]'
# Find and patch engine-image daemonset (name includes hash)
ENGINE_IMAGE_DS=$(kubectl get daemonset -n ${LONGHORN_NAMESPACE} -o name | grep engine-image)
if [ -n "${ENGINE_IMAGE_DS}" ]; then
kubectl patch ${ENGINE_IMAGE_DS} -n ${LONGHORN_NAMESPACE} --type='json' -p='[
{
"op": "replace",
"path": "/spec/template/spec/containers/0/resources",
"value": {
"requests": {"cpu": "50m", "memory": "128Mi"},
"limits": {"cpu": "50m", "memory": "128Mi"}
}
}
]'
fi
# Patch longhorn-csi-plugin daemonset (3 containers)
kubectl patch daemonset longhorn-csi-plugin -n ${LONGHORN_NAMESPACE} --type='json' -p='[
{
"op": "replace",
"path": "/spec/template/spec/containers/0/resources",
"value": {
"requests": {"cpu": "50m", "memory": "64Mi"},
"limits": {"cpu": "50m", "memory": "64Mi"}
}
},
{
"op": "replace",
"path": "/spec/template/spec/containers/1/resources",
"value": {
"requests": {"cpu": "50m", "memory": "64Mi"},
"limits": {"cpu": "50m", "memory": "64Mi"}
}
},
{
"op": "replace",
"path": "/spec/template/spec/containers/2/resources",
"value": {
"requests": {"cpu": "50m", "memory": "64Mi"},
"limits": {"cpu": "50m", "memory": "64Mi"}
}
}
]'
# Patch longhorn-driver-deployer deployment
kubectl patch deployment longhorn-driver-deployer -n ${LONGHORN_NAMESPACE} --type='json' -p='[
{
"op": "replace",
"path": "/spec/template/spec/containers/0/resources",
"value": {
"requests": {"cpu": "50m", "memory": "128Mi"},
"limits": {"cpu": "50m", "memory": "128Mi"}
}
}
]'
# Patch longhorn-manager daemonset (2 containers - core component, add extra headroom)
kubectl patch daemonset longhorn-manager -n ${LONGHORN_NAMESPACE} --type='json' -p='[
{
"op": "replace",
"path": "/spec/template/spec/containers/0/resources",
"value": {
"requests": {"cpu": "50m", "memory": "512Mi"},
"limits": {"cpu": "100m", "memory": "512Mi"}
}
},
{
"op": "replace",
"path": "/spec/template/spec/containers/1/resources",
"value": {
"requests": {"cpu": "50m", "memory": "64Mi"},
"limits": {"cpu": "50m", "memory": "64Mi"}
}
}
]'
# Patch longhorn-ui deployment
kubectl patch deployment longhorn-ui -n ${LONGHORN_NAMESPACE} --type='json' -p='[
{
"op": "replace",
"path": "/spec/template/spec/containers/0/resources",
"value": {
"requests": {"cpu": "50m", "memory": "128Mi"},
"limits": {"cpu": "50m", "memory": "128Mi"}
}
}
]'
echo "All Longhorn component resources have been patched successfully!"
# Setup OAuth2-Proxy for Longhorn
oauth2-proxy-install:
#!/bin/bash
set -euo pipefail
export LONGHORN_HOST=${LONGHORN_HOST:-}
while [ -z "${LONGHORN_HOST}" ]; do
LONGHORN_HOST=$(
gum input --prompt="Longhorn host (FQDN): " --width=100 \
--placeholder="e.g., longhorn.example.com"
)
done
echo "Setting up OAuth2-Proxy for Longhorn at https://${LONGHORN_HOST}..."
just oauth2-proxy::setup-for-app longhorn "${LONGHORN_HOST}" "${LONGHORN_NAMESPACE}" "longhorn-frontend:80"
echo "OAuth2-Proxy setup completed for Longhorn"
echo "Longhorn Web UI at: https://${LONGHORN_HOST}"
# Remove OAuth2-Proxy for Longhorn
oauth2-proxy-uninstall:
#!/bin/bash
set -euo pipefail
echo "Removing OAuth2-Proxy for Longhorn..."
just oauth2-proxy::remove-for-app longhorn "${LONGHORN_NAMESPACE}"
echo "OAuth2-Proxy removed from Longhorn"
# Setup OAuth2-Proxy for Longhorn
setup-oauth2-proxy:
just oauth2-proxy-install
# Remove OAuth2-Proxy for Longhorn
remove-oauth2-proxy:
just oauth2-proxy-uninstall