full_install_osm.sh

#!/bin/bash
#   Copyright 2016 Telefónica Investigación y Desarrollo S.A.U.
#
#   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.

function usage(){
    echo -e "usage: $0 [OPTIONS]"
    echo -e "Install OSM from binaries or source code (by default, from binaries)"
    echo -e "  OPTIONS"
    echo -e "     -h / --help:    print this help"
    echo -e "     -y:             do not prompt for confirmation, assumes yes"
    echo -e "     -r <repo>:      use specified repository name for osm packages"
    echo -e "     -R <release>:   use specified release for osm binaries (deb packages, lxd images, ...)"
    echo -e "     -u <repo base>: use specified repository url for osm packages"
    echo -e "     -k <repo key>:  use specified repository public key url"
    echo -e "     -b <refspec>:   install OSM from source code using a specific branch (master, v2.0, ...) or tag"
    echo -e "                     -b master          (main dev branch)"
    echo -e "                     -b v2.0            (v2.0 branch)"
    echo -e "                     -b tags/v1.1.0     (a specific tag)"
    echo -e "                     ..."
    echo -e "     -c <orchestrator> deploy osm services using container <orchestrator>. Valid values are <k8s> or <swarm>.  If -c is not used then osm will be deployed using default orchestrator. When used with --uninstall, osm services deployed by the orchestrator will be uninstalled"
    echo -e "     -s <stack name> or <namespace>  user defined stack name when installed using swarm or namespace when installed using k8s, default is osm"
    echo -e "     -H <VCA host>   use specific juju host controller IP"
    echo -e "     -S <VCA secret> use VCA/juju secret key"
    echo -e "     -P <VCA pubkey> use VCA/juju public key file"
    echo -e "     -C <VCA cacert> use VCA/juju CA certificate file"
    echo -e "     -A <VCA apiproxy> use VCA/juju API proxy"
    echo -e "     --vimemu:       additionally deploy the VIM emulator as a docker container"
    echo -e "     --elk_stack:    additionally deploy an ELK docker stack for event logging"
    echo -e "     --pla:          install the PLA module for placement support"
    echo -e "     -m <MODULE>:    install OSM but only rebuild or pull the specified docker images (NG-UI, NBI, LCM, RO, MON, POL, PLA, KAFKA, MONGO, PROMETHEUS, PROMETHEUS-CADVISOR, KEYSTONE-DB, NONE)"
    echo -e "     -o <ADDON>:     ONLY (un)installs one of the addons (vimemu, elk_stack, k8s_monitor)"
    echo -e "     -O <openrc file path/cloud name>: Install OSM to an OpenStack infrastructure. <openrc file/cloud name> is required. If a <cloud name> is used, the clouds.yaml file should be under ~/.config/openstack/ or /etc/openstack/"
    echo -e "     -N <openstack public network name/ID>: Public network name required to setup OSM to OpenStack"
    echo -e "     -f <path to SSH public key>: Public SSH key to use to deploy OSM to OpenStack"
    echo -e "     -F <path to cloud-init file>: Cloud-Init userdata file to deploy OSM to OpenStack"
    echo -e "     -D <devops path> use local devops installation path"
    echo -e "     -w <work dir>   Location to store runtime installation"
    echo -e "     -t <docker tag> specify osm docker tag (default is latest)"
    echo -e "     -l:             LXD cloud yaml file"
    echo -e "     -L:             LXD credentials yaml file"
    echo -e "     -K:             Specifies the name of the controller to use - The controller must be already bootstrapped"
    echo -e "     -d <docker registry URL> use docker registry URL instead of dockerhub"
    echo -e "     -p <docker proxy URL> set docker proxy URL as part of docker CE configuration"
    echo -e "     -T <docker tag> specify docker tag for the modules specified with option -m"
    echo -e "     --nocachelxdimages:  do not cache local lxd images, do not create cronjob for that cache (will save installation time, might affect instantiation time)"
    echo -e "     --nolxd:        do not install and configure LXD, allowing unattended installations (assumes LXD is already installed and confifured)"
    echo -e "     --nodocker:     do not install docker, do not initialize a swarm (assumes docker is already installed and a swarm has been initialized)"
    echo -e "     --nojuju:       do not juju, assumes already installed"
    echo -e "     --nodockerbuild:do not build docker images (use existing locally cached images)"
    echo -e "     --nohostports:  do not expose docker ports to host (useful for creating multiple instances of osm on the same host)"
    echo -e "     --nohostclient: do not install the osmclient"
    echo -e "     --uninstall:    uninstall OSM: remove the containers and delete NAT rules"
    echo -e "     --source:       install OSM from source code using the latest stable tag"
    echo -e "     --develop:      (deprecated, use '-b master') install OSM from source code using the master branch"
    echo -e "     --pullimages:   pull/run osm images from docker.io/opensourcemano"
    echo -e "     --k8s_monitor:  install the OSM kubernetes monitoring with prometheus and grafana"
    echo -e "     --volume:       create a VM volume when installing to OpenStack"
#    echo -e "     --reconfigure:  reconfigure the modules (DO NOT change NAT rules)"
#    echo -e "     --update:       update to the latest stable release or to the latest commit if using a specific branch"
    echo -e "     --showopts:     print chosen options and exit (only for debugging)"
    echo -e "     --charmed:                   Deploy and operate OSM with Charms on k8s"
    echo -e "     [--bundle <bundle path>]:    Specify with which bundle to deploy OSM with charms (--charmed option)"
    echo -e "     [--k8s <kubeconfig path>]:   Specify with which kubernetes to deploy OSM with charms (--charmed option)"
    echo -e "     [--vca <name>]:              Specifies the name of the controller to use - The controller must be already bootstrapped (--charmed option)"
    echo -e "     [--lxd <yaml path>]:         Takes a YAML file as a parameter with the LXD Cloud information (--charmed option)"
    echo -e "     [--lxd-cred <yaml path>]:    Takes a YAML file as a parameter with the LXD Credentials information (--charmed option)"
    echo -e "     [--microstack]:              Installs microstack as a vim. (--charmed option)"
    echo -e "     [--overlay]:                 Add an overlay to override some defaults of the default bundle (--charmed option)"
    echo -e "     [--ha]:                      Installs High Availability bundle. (--charmed option)"
    echo -e "     [--tag]:                     Docker image tag. (--charmed option)"
    echo -e "     [--registry]:                Docker registry with optional credentials as user:pass@hostname:port (--charmed option)"

}

# takes a juju/accounts.yaml file and returns the password specific
# for a controller. I wrote this using only bash tools to minimize
# additions of other packages
function parse_juju_password {
   password_file="${HOME}/.local/share/juju/accounts.yaml"
   local controller_name=$1
   local s='[[:space:]]*' w='[a-zA-Z0-9_-]*' fs=$(echo @|tr @ '\034')
   sed -ne "s|^\($s\):|\1|" \
        -e "s|^\($s\)\($w\)$s:$s[\"']\(.*\)[\"']$s\$|\1$fs\2$fs\3|p" \
        -e "s|^\($s\)\($w\)$s:$s\(.*\)$s\$|\1$fs\2$fs\3|p" $password_file |
   awk -F$fs -v controller=$controller_name '{
      indent = length($1)/2;
      vname[indent] = $2;
      for (i in vname) {if (i > indent) {delete vname[i]}}
      if (length($3) > 0) {
         vn=""; for (i=0; i<indent; i++) {vn=(vn)(vname[i])("_")}
         if (match(vn,controller) && match($2,"password")) {
             printf("%s",$3);
         }
      }
   }'
}

function generate_secret() {
    head /dev/urandom | tr -dc A-Za-z0-9 | head -c 32
}

function remove_volumes() {
    if [ -n "$KUBERNETES" ]; then
        k8_volume=$1
        echo "Removing ${k8_volume}"
        $WORKDIR_SUDO rm -rf ${k8_volume}
    else
        stack=$1
        volumes="mongo_db mon_db osm_packages ro_db pol_db prom_db ro"
        for volume in $volumes; do
            sg docker -c "docker volume rm ${stack}_${volume}"
        done
    fi
}

function remove_network() {
    stack=$1
    sg docker -c "docker network rm net${stack}"
}

function remove_iptables() {
    stack=$1
    if [ -z "$OSM_VCA_HOST" ]; then
        OSM_VCA_HOST=`sg lxd -c "juju show-controller ${stack}"|grep api-endpoints|awk -F\' '{print $2}'|awk -F\: '{print $1}'`
        [ -z "$OSM_VCA_HOST" ] && FATAL "Cannot obtain juju controller IP address"
    fi

    if [ -z "$DEFAULT_IP" ]; then
        DEFAULT_IF=$(ip route list|awk '$1=="default" {print $5; exit}')
        [ -z "$DEFAULT_IF" ] && DEFAULT_IF=$(ip route list|awk '$1=="default" {print $5; exit}')
        [ -z "$DEFAULT_IF" ] && FATAL "Not possible to determine the interface with the default route 0.0.0.0"
        DEFAULT_IP=`ip -o -4 a |grep ${DEFAULT_IF}|awk '{split($4,a,"/"); print a[1]}'`
        [ -z "$DEFAULT_IP" ] && FATAL "Not possible to determine the IP address of the interface with the default route"
    fi

    if sudo iptables -t nat -C PREROUTING -p tcp -m tcp -d $DEFAULT_IP --dport 17070 -j DNAT --to-destination $OSM_VCA_HOST; then
        sudo iptables -t nat -D PREROUTING -p tcp -m tcp -d $DEFAULT_IP --dport 17070 -j DNAT --to-destination $OSM_VCA_HOST
        sudo netfilter-persistent save
    fi
}

function remove_stack() {
    stack=$1
    if sg docker -c "docker stack ps ${stack}" ; then
        echo -e "\nRemoving stack ${stack}" && sg docker -c "docker stack rm ${stack}"
        COUNTER=0
        result=1
        while [ ${COUNTER} -lt 30 ]; do
            result=$(sg docker -c "docker stack ps ${stack}" | wc -l)
            #echo "Dockers running: $result"
            if [ "${result}" == "0" ]; then
                break
            fi
            let COUNTER=COUNTER+1
            sleep 1
        done
        if [ "${result}" == "0" ]; then
            echo "All dockers of the stack ${stack} were removed"
        else
            FATAL "Some dockers of the stack ${stack} could not be removed. Could not clean it."
        fi
        sleep 5
    fi
}

#removes osm deployments and services
function remove_k8s_namespace() {
    kubectl delete ns $1
}

#removes helm only if there is nothing deployed in helm
function remove_helm() {
    if [ "$(helm ls -q)" == "" ] ; then
        sudo helm reset --force
        sudo rm /usr/local/bin/helm
        rm -rf $HOME/.helm
    fi
}

function remove_crontab_job() {
    crontab -l | grep -v '${OSM_DEVOPS}/installers/update-juju-lxc-images'  | crontab -
}

#Uninstall osmclient
function uninstall_osmclient() {
    sudo apt-get remove --purge -y python-osmclient
    sudo apt-get remove --purge -y python3-osmclient
}