mirror of https://github.com/k3s-io/k3s
76 lines
3.2 KiB
Bash
76 lines
3.2 KiB
Bash
#!/bin/bash
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# Copyright 2014 The Kubernetes Authors.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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## Contains configuration values for interacting with the libvirt CoreOS cluster
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# Number of minions in the cluster
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NUM_NODES=${NUM_NODES:-3}
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export NUM_NODES
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# The IP of the master
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export MASTER_IP="192.168.10.1"
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export INSTANCE_PREFIX=kubernetes
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export MASTER_NAME="${INSTANCE_PREFIX}-master"
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# Map out the IPs, names and container subnets of each node
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export NODE_IP_BASE="192.168.10."
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NODE_CONTAINER_SUBNET_BASE="10.10"
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MASTER_CONTAINER_NETMASK="255.255.255.0"
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MASTER_CONTAINER_ADDR="${NODE_CONTAINER_SUBNET_BASE}.0.1"
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MASTER_CONTAINER_SUBNET="${NODE_CONTAINER_SUBNET_BASE}.0.1/24"
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CONTAINER_SUBNET="${NODE_CONTAINER_SUBNET_BASE}.0.0/16"
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if [[ "$NUM_NODES" -gt 253 ]]; then
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echo "ERROR: Because of how IPs are allocated in ${BASH_SOURCE}, you cannot create more than 253 nodes"
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exit 1
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fi
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for ((i=0; i < NUM_NODES; i++)) do
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NODE_IPS[$i]="${NODE_IP_BASE}$((i+2))"
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NODE_NAMES[$i]="${INSTANCE_PREFIX}-node-$((i+1))"
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NODE_CONTAINER_SUBNETS[$i]="${NODE_CONTAINER_SUBNET_BASE}.$((i+1)).1/24"
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NODE_CONTAINER_ADDRS[$i]="${NODE_CONTAINER_SUBNET_BASE}.$((i+1)).1"
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NODE_CONTAINER_NETMASKS[$i]="255.255.255.0"
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done
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NODE_CONTAINER_SUBNETS[$NUM_NODES]=$MASTER_CONTAINER_SUBNET
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SERVICE_CLUSTER_IP_RANGE="${SERVICE_CLUSTER_IP_RANGE:-10.11.0.0/16}" # formerly PORTAL_NET
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# Optional: Enable node logging.
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ENABLE_NODE_LOGGING=false
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LOGGING_DESTINATION=elasticsearch
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# Optional: Install cluster DNS.
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ENABLE_CLUSTER_DNS="${KUBE_ENABLE_CLUSTER_DNS:-true}"
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DNS_SERVER_IP="${SERVICE_CLUSTER_IP_RANGE%.*}.254"
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DNS_DOMAIN="cluster.local"
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# Optional: Install cluster registry
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ENABLE_CLUSTER_REGISTRY="${KUBE_ENABLE_CLUSTER_REGISTRY:-true}"
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# Optional: Enable DNS horizontal autoscaler
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ENABLE_DNS_HORIZONTAL_AUTOSCALER="${KUBE_ENABLE_DNS_HORIZONTAL_AUTOSCALER:-false}"
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#Generate dns files
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sed -f "${KUBE_ROOT}/cluster/addons/dns/transforms2sed.sed" < "${KUBE_ROOT}/cluster/addons/dns/kubedns-controller.yaml.base" | sed -f "${KUBE_ROOT}/cluster/libvirt-coreos/forShellEval.sed" > "${KUBE_ROOT}/cluster/libvirt-coreos/kubedns-controller.yaml"
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sed -f "${KUBE_ROOT}/cluster/addons/dns/transforms2sed.sed" < "${KUBE_ROOT}/cluster/addons/dns/kubedns-svc.yaml.base" | sed -f "${KUBE_ROOT}/cluster/libvirt-coreos/forShellEval.sed" > "${KUBE_ROOT}/cluster/libvirt-coreos/kubedns-svc.yaml"
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cp "${KUBE_ROOT}/cluster/addons/dns/kubedns-sa.yaml" "${KUBE_ROOT}/cluster/libvirt-coreos/kubedns-sa.yaml"
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cp "${KUBE_ROOT}/cluster/addons/dns/kubedns-cm.yaml" "${KUBE_ROOT}/cluster/libvirt-coreos/kubedns-cm.yaml"
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#Generate registry files
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sed -f "${KUBE_ROOT}/cluster/libvirt-coreos/forEmptyDirRegistry.sed" < "${KUBE_ROOT}/cluster/addons/registry/registry-rc.yaml" > "${KUBE_ROOT}/cluster/libvirt-coreos/registry-rc.yaml"
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