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From aledsage <...@git.apache.org>
Subject [GitHub] incubator-brooklyn pull request: BROOKLYN-55 install script for br...
Date Tue, 09 Sep 2014 10:43:53 GMT
Github user aledsage commented on a diff in the pull request:

    https://github.com/apache/incubator-brooklyn/pull/157#discussion_r17293057
  
    --- Diff: brooklyn-install.sh ---
    @@ -0,0 +1,260 @@
    +#!/bin/bash
    +#
    +# Licensed to the Apache Software Foundation (ASF) under one or more
    +# contributor license agreements.  See the NOTICE file distributed with
    +# this work for additional information regarding copyright ownership.
    +# The ASF licenses this file to You 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.
    +#
    +#
    +# Brooklyn Install Script
    +#
    +# Usage:
    +#     brooklyn-install.sh [-h] [-q] [-r] [-e] [-s] [-u user] [-k key] [-p port] hostname
    +#
    +#set -x # DEBUG
    +
    +function help() {
    +    cat <<EOF
    +
    +Brooklyn Install Script
    +
    +Options
    +
    +    -e  Install example blueprint files
    +    -p  The SSH port to connect to (default 22)
    +    -r  Setup random entropy for SSH
    +    -s  Create and set up user account
    +    -u  Change the Brooklyn username (default 'brooklyn')
    +    -k  The private key to use for SSH (default '~/.ssh/id_rsa')
    +    -q  Quiet install
    +
    +Usage
    +
    +    brooklyn-install.sh [-q] [-r] [-e] [-s] [-u user] [-k key] [-p port] hostname
    +
    +Installs Brooklyn on the given hostname as 'brooklyn' or the specified
    +user. Optionally installs example blueprints and creates and
    +configures the Brooklyn user. Passwordless SSH access as root to
    +the remote host must be enabled with the given key.
    +
    +EOF
    +    exit 0
    +}
    +
    +function log() {
    +    if ! ${QUIET}; then
    +        echo $@
    +    fi
    +    date +"Timestamp: %Y-%m-%d %H:%M:%S.%s" >> ${LOG}
    +    if [ "$1" == "-n" ]; then
    +        shift
    +    fi
    +    if [ "$*" != "..." ]; then
    +        echo "Log: $*" | sed -e "s/\.\.\.//" >> ${LOG}
    +    fi
    +}
    +
    +function fail() {
    +    log "...failed!"
    +    error "$*"
    +}
    +
    +function error() {
    +    echo "Error: $*" | tee -a "${LOG}"
    +    usage
    +}
    +
    +function usage() {
    +    echo "Usage: $(basename ${0}) [-h] [-q] [-r] [-e] [-s] [-u user] [-k key] [-p port]
hostname"
    +    exit 1
    +}
    +
    +QUIET=false
    +LOG="brooklyn-install.log"
    +BROOKLYN_VERSION="0.7.0-M1"
    +SSH=ssh
    +
    +while getopts ":hesu:k:q:p:r" o; do
    +    case "${o}" in
    +        h)  help
    +            ;;
    +        e)  INSTALL_EXAMPLES=true
    +            ;;
    +        s)  SETUP_USER=true
    +            ;;
    +        u)  BROOKLYN_USER="${OPTARG}"
    +            ;;
    +        k)  PRIVATE_KEY_FILE="${OPTARG}"
    +            ;;
    +        r)  SETUP_RANDOM=true
    +            ;;
    +        q)  QUIET=true
    +            ;;
    +        p)  PORT="${OPTARG}"
    +            ;;            
    +        *)  usage "Invalid option: $*"
    +            ;;
    +    esac
    +done
    +shift $((OPTIND-1))
    +
    +if [ $# -ne 1 ]; then
    +    error "Must specify remote hostname as last argument"
    +fi
    +
    +HOST="$1"
    +USER="${BROOKLYN_USER:-brooklyn}"
    +PRIVATE_KEY_FILE="${PRIVATE_KEY_FILE:-${HOME}/.ssh/id_rsa}"
    +
    +SSH_OPTS="-o StrictHostKeyChecking=no -p ${PORT:-22}"
    +if [ -f "${PRIVATE_KEY_FILE}" ]; then
    +    SSH_OPTS="${SSH_OPTS} -i ${PRIVATE_KEY_FILE}"
    +else
    +    error "SSH private key '${PRIVATE_KEY_FILE}' not found"
    +fi
    +SSH_PUBLIC_KEY_DATA=$(ssh-keygen -y -f ${PRIVATE_KEY_FILE})
    +
    +echo "Installing Brooklyn ${BROOKLYN_VERSION} on ${HOST}:$PORT as '${USER}'"
    +
    +# Pre-requisites for this script
    +log "Configuring '${HOST}:${PORT}'..."
    +
    +# Install packages
    +log "Installing packages on '${HOST}:${PORT}'..."
    +ssh ${SSH_OPTS} root@${HOST} "yum check-update || apt-get update" >> ${LOG} 2>&1
    +for package in "curl" "sed" "tar"; do
    +    ssh ${SSH_OPTS} root@${HOST} "which ${package} || { yum check-update && yum
-y --nogpgcheck -q install ${package} || apt-get update && apt-get -y --allow-unauthenticated
install ${package}; }" >> ${LOG} 2>&1
    +done
    +log -n "..."
    +
    +# Install Java 6
    +if [ "${INSTALL_EXAMPLES}" ]; then
    +    check="javac"
    +else
    +    check="java"
    +    JAVA_HOME="/usr"
    +fi
    +ssh ${SSH_OPTS} root@${HOST} "which ${check} || { yum -y -q install java-1.6.0-openjdk
|| apt-get update && apt-get -y install openjdk-6-jre-headless; }" >> ${LOG}
2>&1
    +for java in "jre" "jdk" "java-1.6.0-openjdk" "java-1.6.0-openjdk-amd64"; do
    +    if ssh ${SSH_OPTS} root@${HOST} "test -d /usr/lib/jvm/${java}"; then
    +        JAVA_HOME="/usr/lib/jvm/${java}/" && echo "Java: ${JAVA_HOME}" >>
${LOG}
    +    fi
    +done
    +ssh ${SSH_OPTS} root@${HOST}  "test -x ${JAVA_HOME}/bin/${check}" >> ${LOG} 2>&1
|| fail "Java is not installed"
    +log -n "..."
    +
    +# Increase linux kernel entropy for faster ssh connections
    +if [ "${SETUP_RANDOM}" ]; then
    +    ssh ${SSH_OPTS} root@${HOST} "which rng-tools || { yum -y -q install rng-tools ||
apt-get -y install rng-tools; }" >> ${LOG} 2>&1
    +    if ssh ${SSH_OPTS} root@${HOST} "test -f /etc/default/rng-tools"; then
    +        echo "HRNGDEVICE=/dev/urandom" | ssh ${SSH_OPTS} root@${HOST} "cat >> /etc/default/rng-tools"
    +        ssh ${SSH_OPTS} root@${HOST} "/etc/init.d/rng-tools start" >> ${LOG} 2>&1
    +    else
    +        echo "EXTRAOPTIONS=\"-r /dev/urandom\"" | ssh ${SSH_OPTS} root@${HOST} "cat >>
/etc/sysconfig/rngd"
    +        ssh ${SSH_OPTS} root@${HOST} "/etc/init.d/rngd start" >> ${LOG} 2>&1
    +    fi
    +    log "...done"
    +fi
    +
    +# Create Brooklyn user if required
    +if ! ssh ${SSH_OPTS} root@${HOST} "id ${USER} > /dev/null 2>&1"; then
    +    if [ -z "${SETUP_USER}" ]; then
    +        error "User '${USER}' does not exist on ${HOST}"
    +    fi
    +    log -n "Creating user '${USER}'..."
    +    ssh ${SSH_OPTS} root@${HOST}  "useradd ${USER} -s /bin/bash -d /home/${USER} -m"
>> ${LOG} 2>&1
    +    ssh ${SSH_OPTS} root@${HOST}  "id ${USER}" >> ${LOG} 2>&1 || fail "User
was not created"
    +    log "...done"
    +fi
    +
    +# Setup Brooklyn user
    +if [ "${SETUP_USER}" ]; then
    +    log -n "Setting up user '${USER}'..."
    +    ssh ${SSH_OPTS} root@${HOST} "echo '${USER} ALL = (ALL) NOPASSWD: ALL' >> /etc/sudoers"
    +    ssh ${SSH_OPTS} root@${HOST} "sed -i.brooklyn.bak 's/.*requiretty.*/#brooklyn-removed-require-tty/'
/etc/sudoers"
    +    ssh ${SSH_OPTS} root@${HOST} "mkdir -p /home/${USER}/.ssh"
    +    ssh ${SSH_OPTS} root@${HOST} "chmod 700 /home/${USER}/.ssh"
    +    ssh ${SSH_OPTS} root@${HOST} "echo ${SSH_PUBLIC_KEY_DATA} >> /home/${USER}/.ssh/authorized_keys"
    +    ssh ${SSH_OPTS} root@${HOST} "chown -R ${USER}.${USER} /home/${USER}/.ssh"
    +    ssh ${SSH_OPTS} ${USER}@${HOST} "ssh-keygen -q -t rsa -N \"\" -f .ssh/id_rsa"
    --- End diff --
    
    Future enhancement: could supply an ssh key to be uploaded, rather than generating a new
one.


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