kubernetes/cluster/aws/config-test.sh
Justin Santa Barbara 4e64c4586e AWS: Set OS defaults for kube 1.2
Default distro is jessie, due to the support situation with Ubuntu
distros.  Default ubuntu distro is wily.

Update the docs to reflect the recommended distros with kube-up, and to
encourage contributions for other distros.
2016-02-25 00:10:33 -05:00

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#!/bin/bash
# Copyright 2014 The Kubernetes Authors All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
ZONE=${KUBE_AWS_ZONE:-us-west-2a}
MASTER_SIZE=${MASTER_SIZE:-}
NODE_SIZE=${NODE_SIZE:-}
NUM_NODES=${NUM_NODES:-2}
# Dynamically set node sizes so that Heapster has enough space to run
if [[ -z ${NODE_SIZE} ]]; then
if (( ${NUM_NODES} < 50 )); then
NODE_SIZE="t2.micro"
elif (( ${NUM_NODES} < 150 )); then
NODE_SIZE="t2.small"
else
NODE_SIZE="t2.medium"
fi
fi
# Dynamically set the master size by the number of nodes, these are guesses
# TODO: gather some data
if [[ -z ${MASTER_SIZE} ]]; then
if (( ${NUM_NODES} < 150 )); then
MASTER_SIZE="m3.medium"
else
MASTER_SIZE="m3.large"
fi
fi
# Because regions are globally named, we want to create in a single region; default to us-east-1
AWS_S3_REGION=${AWS_S3_REGION:-us-east-1}
# Which docker storage mechanism to use.
DOCKER_STORAGE=${DOCKER_STORAGE:-aufs}
INSTANCE_PREFIX="${KUBE_AWS_INSTANCE_PREFIX:-e2e-test-${USER}}"
CLUSTER_ID=${INSTANCE_PREFIX}
AWS_SSH_KEY=${AWS_SSH_KEY:-$HOME/.ssh/kube_aws_rsa}
IAM_PROFILE_MASTER="kubernetes-master"
IAM_PROFILE_NODE="kubernetes-minion"
LOG="/dev/null"
MASTER_DISK_TYPE="${MASTER_DISK_TYPE:-gp2}"
MASTER_DISK_SIZE=${MASTER_DISK_SIZE:-20}
# The master root EBS volume size (typically does not need to be very large)
MASTER_ROOT_DISK_TYPE="${MASTER_ROOT_DISK_TYPE:-gp2}"
MASTER_ROOT_DISK_SIZE=${MASTER_ROOT_DISK_SIZE:-8}
# The minions root EBS volume size (used to house Docker images)
NODE_ROOT_DISK_TYPE="${NODE_ROOT_DISK_TYPE:-gp2}"
NODE_ROOT_DISK_SIZE=${NODE_ROOT_DISK_SIZE:-32}
MASTER_NAME="${INSTANCE_PREFIX}-master"
MASTER_TAG="${INSTANCE_PREFIX}-master"
NODE_TAG="${INSTANCE_PREFIX}-minion"
NODE_SCOPES=""
POLL_SLEEP_INTERVAL=3
NON_MASQUERADE_CIDR="${NON_MASQUERADE_CIDR:-10.0.0.0/8}" # Traffic to IPs outside this range will use IP masquerade
SERVICE_CLUSTER_IP_RANGE="${SERVICE_CLUSTER_IP_RANGE:-10.0.0.0/16}" # formerly PORTAL_NET
CLUSTER_IP_RANGE="${CLUSTER_IP_RANGE:-10.245.0.0/16}"
MASTER_IP_RANGE="${MASTER_IP_RANGE:-10.246.0.0/24}"
# If set to an Elastic IP address, the master instance will be associated with this IP.
# Otherwise a new Elastic IP will be acquired
# (We used to accept 'auto' to mean 'allocate elastic ip', but that is now the default)
MASTER_RESERVED_IP="${MASTER_RESERVED_IP:-}"
RUNTIME_CONFIG="${KUBE_RUNTIME_CONFIG:-}"
# Optional: Cluster monitoring to setup as part of the cluster bring up:
# none - No cluster monitoring setup
# influxdb - Heapster, InfluxDB, and Grafana
ENABLE_CLUSTER_MONITORING="${KUBE_ENABLE_CLUSTER_MONITORING:-none}"
# Optional: Enable node logging.
ENABLE_NODE_LOGGING="${KUBE_ENABLE_NODE_LOGGING:-true}"
LOGGING_DESTINATION="${KUBE_LOGGING_DESTINATION:-elasticsearch}" # options: elasticsearch, gcp
# Optional: When set to true, Elasticsearch and Kibana will be setup as part of the cluster bring up.
ENABLE_CLUSTER_LOGGING="${KUBE_ENABLE_CLUSTER_LOGGING:-false}"
ELASTICSEARCH_LOGGING_REPLICAS=1
# Optional: Don't require https for registries in our local RFC1918 network
if [[ ${KUBE_ENABLE_INSECURE_REGISTRY:-false} == "true" ]]; then
EXTRA_DOCKER_OPTS="--insecure-registry ${NON_MASQUERADE_CIDR}"
fi
# Optional: Install cluster DNS.
ENABLE_CLUSTER_DNS="${KUBE_ENABLE_CLUSTER_DNS:-true}"
DNS_SERVER_IP="${DNS_SERVER_IP:-10.0.0.10}"
DNS_DOMAIN="cluster.local"
DNS_REPLICAS=1
# Optional: Install Kubernetes UI
ENABLE_CLUSTER_UI="${KUBE_ENABLE_CLUSTER_UI:-true}"
# Optional: Create autoscaler for cluster's nodes.
ENABLE_NODE_AUTOSCALER="${KUBE_ENABLE_NODE_AUTOSCALER:-false}"
if [[ "${ENABLE_NODE_AUTOSCALER}" == "true" ]]; then
# TODO: actually configure ASG or similar
AUTOSCALER_MIN_NODES="${KUBE_AUTOSCALER_MIN_NODES:-1}"
AUTOSCALER_MAX_NODES="${KUBE_AUTOSCALER_MAX_NODES:-${NUM_NODES}}"
TARGET_NODE_UTILIZATION="${KUBE_TARGET_NODE_UTILIZATION:-0.7}"
fi
# Admission Controllers to invoke prior to persisting objects in cluster
ADMISSION_CONTROL=NamespaceLifecycle,LimitRanger,SecurityContextDeny,ServiceAccount,ResourceQuota,PersistentVolumeLabel
# Optional: Enable/disable public IP assignment for minions.
# Important Note: disable only if you have setup a NAT instance for internet access and configured appropriate routes!
ENABLE_NODE_PUBLIC_IP=${KUBE_ENABLE_NODE_PUBLIC_IP:-true}
# OS options for minions
KUBE_OS_DISTRIBUTION="${KUBE_OS_DISTRIBUTION:-jessie}"
KUBE_NODE_IMAGE="${KUBE_NODE_IMAGE:-}"
COREOS_CHANNEL="${COREOS_CHANNEL:-alpha}"
CONTAINER_RUNTIME="${KUBE_CONTAINER_RUNTIME:-docker}"
RKT_VERSION="${KUBE_RKT_VERSION:-0.5.5}"
# Optional: if set to true, kube-up will configure the cluster to run e2e tests.
E2E_STORAGE_TEST_ENVIRONMENT=${KUBE_E2E_STORAGE_TEST_ENVIRONMENT:-false}