mirror of https://github.com/k3s-io/k3s
146 lines
6.0 KiB
Bash
146 lines
6.0 KiB
Bash
#!/bin/bash
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# Copyright 2015 The Kubernetes Authors All rights reserved.
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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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# A library of helper functions and constant for coreos os distro
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# $1: if 'true', we're building a master yaml, else a node
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function build-kube-env {
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local master=$1
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local file=$2
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rm -f ${file}
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# TODO(dawnchen): master node is still running with debian image
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if [[ "${master}" == "true" ]]; then
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cat >$file <<EOF
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ENV_TIMESTAMP: $(yaml-quote $(date -u +%Y-%m-%dT%T%z))
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INSTANCE_PREFIX: $(yaml-quote ${INSTANCE_PREFIX})
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NODE_INSTANCE_PREFIX: $(yaml-quote ${NODE_INSTANCE_PREFIX})
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CLUSTER_IP_RANGE: $(yaml-quote ${CLUSTER_IP_RANGE:-10.244.0.0/16})
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SERVER_BINARY_TAR_URL: $(yaml-quote ${SERVER_BINARY_TAR_URL})
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SALT_TAR_URL: $(yaml-quote ${SALT_TAR_URL})
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PORTAL_NET: $(yaml-quote ${PORTAL_NET})
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ALLOCATE_NODE_CIDRS: $(yaml-quote ${ALLOCATE_NODE_CIDRS:-false})
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ENABLE_CLUSTER_MONITORING: $(yaml-quote ${ENABLE_CLUSTER_MONITORING:-none})
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ENABLE_NODE_MONITORING: $(yaml-quote ${ENABLE_NODE_MONITORING:-false})
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ENABLE_CLUSTER_LOGGING: $(yaml-quote ${ENABLE_CLUSTER_LOGGING:-false})
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ENABLE_NODE_LOGGING: $(yaml-quote ${ENABLE_NODE_LOGGING:-false})
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LOGGING_DESTINATION: $(yaml-quote ${LOGGING_DESTINATION:-})
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ELASTICSEARCH_LOGGING_REPLICAS: $(yaml-quote ${ELASTICSEARCH_LOGGING_REPLICAS:-})
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ENABLE_CLUSTER_DNS: $(yaml-quote ${ENABLE_CLUSTER_DNS:-false})
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DNS_REPLICAS: $(yaml-quote ${DNS_REPLICAS:-})
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DNS_SERVER_IP: $(yaml-quote ${DNS_SERVER_IP:-})
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DNS_DOMAIN: $(yaml-quote ${DNS_DOMAIN:-})
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KUBE_USER: $(yaml-quote ${KUBE_USER})
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KUBE_PASSWORD: $(yaml-quote ${KUBE_PASSWORD})
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KUBE_BEARER_TOKEN: $(yaml-quote ${KUBE_BEARER_TOKEN})
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KUBELET_TOKEN: $(yaml-quote ${KUBELET_TOKEN:-})
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KUBE_PROXY_TOKEN: $(yaml-quote ${KUBE_PROXY_TOKEN:-})
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ADMISSION_CONTROL: $(yaml-quote ${ADMISSION_CONTROL:-})
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MASTER_IP_RANGE: $(yaml-quote ${MASTER_IP_RANGE})
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KUBERNETES_CONTAINER_RUNTIME: $(yaml-quote ${CONTAINER_RUNTIME})
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RKT_VERSION: $(yaml-quote ${RKT_VERSION})
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CA_CERT: $(yaml-quote ${CA_CERT_BASE64})
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MASTER_CERT: $(yaml-quote ${MASTER_CERT_BASE64:-})
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MASTER_KEY: $(yaml-quote ${MASTER_KEY_BASE64:-})
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KUBECFG_CERT: $(yaml-quote ${KUBECFG_CERT_BASE64:-})
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KUBECFG_KEY: $(yaml-quote ${KUBECFG_KEY_BASE64:-})
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EOF
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else
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cat >>$file <<EOF
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ENV_TIMESTAMP=$(yaml-quote $(date -u +%Y-%m-%dT%T%z))
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INSTANCE_PREFIX=$(yaml-quote ${INSTANCE_PREFIX})
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NODE_INSTANCE_PREFIX=$(yaml-quote ${NODE_INSTANCE_PREFIX})
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SERVER_BINARY_TAR_URL=$(yaml-quote ${SERVER_BINARY_TAR_URL})
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PORTAL_NET=$(yaml-quote ${PORTAL_NET})
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ENABLE_CLUSTER_MONITORING=$(yaml-quote ${ENABLE_CLUSTER_MONITORING:-none})
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ENABLE_NODE_MONITORING=$(yaml-quote ${ENABLE_NODE_MONITORING:-false})
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ENABLE_CLUSTER_LOGGING=$(yaml-quote ${ENABLE_CLUSTER_LOGGING:-false})
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ENABLE_NODE_LOGGING=$(yaml-quote ${ENABLE_NODE_LOGGING:-false})
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LOGGING_DESTINATION=$(yaml-quote ${LOGGING_DESTINATION:-})
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ELASTICSEARCH_LOGGING_REPLICAS=$(yaml-quote ${ELASTICSEARCH_LOGGING_REPLICAS:-})
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ENABLE_CLUSTER_DNS=$(yaml-quote ${ENABLE_CLUSTER_DNS:-false})
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DNS_REPLICAS=$(yaml-quote ${DNS_REPLICAS:-})
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DNS_SERVER_IP=$(yaml-quote ${DNS_SERVER_IP:-})
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DNS_DOMAIN=$(yaml-quote ${DNS_DOMAIN:-})
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KUBELET_TOKEN=$(yaml-quote ${KUBELET_TOKEN:-})
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KUBE_PROXY_TOKEN=$(yaml-quote ${KUBE_PROXY_TOKEN:-})
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ADMISSION_CONTROL=$(yaml-quote ${ADMISSION_CONTROL:-})
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MASTER_IP_RANGE=$(yaml-quote ${MASTER_IP_RANGE})
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KUBERNETES_MASTER_NAME=$(yaml-quote ${MASTER_NAME})
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ZONE=$(yaml-quote ${ZONE})
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EXTRA_DOCKER_OPTS=$(yaml-quote ${EXTRA_DOCKER_OPTS})
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ENABLE_DOCKER_REGISTRY_CACHE=$(yaml-quote ${ENABLE_DOCKER_REGISTRY_CACHE:-false})
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PROJECT_ID=$(yaml-quote ${PROJECT})
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KUBERNETES_CONTAINER_RUNTIME=$(yaml-quote ${CONTAINER_RUNTIME})
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RKT_VERSION=$(yaml-quote ${RKT_VERSION})
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CA_CERT: $(yaml-quote ${CA_CERT_BASE64})
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KUBELET_CERT: $(yaml-quote ${KUBELET_CERT_BASE64:-})
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KUBELET_KEY: $(yaml-quote ${KUBELET_KEY_BASE64:-})
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EOF
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fi
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}
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# create-master-instance creates the master instance. If called with
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# an argument, the argument is used as the name to a reserved IP
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# address for the master. (In the case of upgrade/repair, we re-use
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# the same IP.)
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#
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# It requires a whole slew of assumed variables, partially due to to
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# the call to write-master-env. Listing them would be rather
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# futile. Instead, we list the required calls to ensure any additional
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# variables are set:
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# ensure-temp-dir
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# detect-project
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# get-bearer-token
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#
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# TODO(dawnchen): Convert master node to use coreos image too
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function create-master-instance {
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local address_opt=""
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[[ -n ${1:-} ]] && address_opt="--address ${1}"
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write-master-env
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gcloud compute instances create "${MASTER_NAME}" \
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${address_opt} \
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--project "${PROJECT}" \
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--zone "${ZONE}" \
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--machine-type "${MASTER_SIZE}" \
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--image-project="${MASTER_IMAGE_PROJECT}" \
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--image "${MASTER_IMAGE}" \
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--tags "${MASTER_TAG}" \
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--network "${NETWORK}" \
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--scopes "storage-ro" "compute-rw" \
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--can-ip-forward \
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--metadata-from-file \
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"startup-script=${KUBE_ROOT}/cluster/gce/configure-vm.sh" \
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"kube-env=${KUBE_TEMP}/master-kube-env.yaml" \
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--disk name="${MASTER_NAME}-pd" device-name=master-pd mode=rw boot=no auto-delete=no
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}
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# TODO(dawnchen): Check $CONTAINER_RUNTIME to decide which
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# cloud_config yaml file should be passed
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# TODO(mbforbes): Make $1 required.
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# TODO(mbforbes): Document required vars (for this and call chain).
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# $1 version
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function create-node-instance-template {
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local suffix=""
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if [[ -n ${1:-} ]]; then
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suffix="-${1}"
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fi
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create-node-template "${NODE_INSTANCE_PREFIX}-template${suffix}" "${scope_flags[*]}" \
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"kube-env=${KUBE_TEMP}/node-kube-env.yaml" \
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"user-data=${KUBE_ROOT}/cluster/gce/coreos/node.yaml"
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}
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