config-drive/master_config.yaml

#cloud-config
output:
  all: '| tee -a /var/log/cloud-init-output.log /dev/tty0'
write_files:
  - owner: root:root
    path: /etc/cloud/master_environment
    permissions: '0644'
    content: |
      export SALT_MASTER_DEPLOY_IP="172.16.164.15"
      export SALT_MASTER_MINION_ID="cfg01.deploy-name.local"
      export DEPLOY_NETWORK_GW="172.16.164.1"
      export DEPLOY_NETWORK_NETMASK="255.255.255.192"
      export DEPLOY_NETWORK_MTU="1500"
      export DNS_SERVERS="8.8.8.8"
      export http_proxy=""
      export https_proxy=""
      export PIPELINES_FROM_ISO="true"
      export PIPELINE_REPO_URL="https://github.com/Mirantis"
      export MCP_VERSION="stable"
      export MCP_SALT_REPO_KEY="http://apt.mirantis.com/public.gpg"
      export MCP_SALT_REPO_URL="http://apt.mirantis.com/xenial"
      export MCP_SALT_REPO="deb [arch=amd64] $MCP_SALT_REPO_URL $MCP_VERSION salt"
      export FORMULAS="salt-formula-*"
      export SALT_OPTS="-l debug -t 10 --retcode-passthrough --no-color"
      export CFG_BOOTSTRAP_DRIVE_URL=""
master_config:
  - &master_config |
    function _post_maas_cfg() {
      source /var/lib/maas/.maas_login.sh
      # disable backports for maas enlist pkg repo. Those operation enforce maas
      # to re-create sources.list and drop [source] fetch-definition from it.
      main_arch_id=$(maas ${PROFILE} package-repositories read | jq -r ".[] | select(.name==\"main_archive\") | .id")
      maas ${PROFILE} package-repository update ${main_arch_id} "disabled_pockets=backports" || true
      maas ${PROFILE} package-repository update ${main_arch_id} "disabled_components=multiverse" || true
      maas ${PROFILE} package-repository update ${main_arch_id} "arches=amd64" || true
      # Remove stale notifications, which appear during sources configuration.
      for i in $(maas ${PROFILE} notifications read | jq ".[]| .id"); do
       maas ${PROFILE} notification delete ${i} || true
      done
    }

    function process_formulas(){
      local RECLASS_ROOT=${RECLASS_ROOT:-/srv/salt/reclass/}
      local FORMULAS_PATH=${FORMULAS_PATH:-/usr/share/salt-formulas}

      curl -s $MCP_SALT_REPO_KEY | apt-key add -
      echo $MCP_SALT_REPO > /etc/apt/sources.list.d/mcp_salt.list
      apt-get update
      apt-get install -y salt-formula-*

      [ ! -d ${RECLASS_ROOT}/classes/service ] && mkdir -p ${RECLASS_ROOT}/classes/service
      for formula_service in $(ls /usr/share/salt-formulas/reclass/service/); do
        #Since some salt formula names contain "-" and in symlinks they should contain "_" adding replacement
        formula_service=${formula_service//-/$"_"}
        if [ ! -L "${RECLASS_ROOT}/classes/service/${formula_service}" ]; then
          ln -sf ${FORMULAS_PATH}/reclass/service/${formula_service} ${RECLASS_ROOT}/classes/service/${formula_service}
        fi
      done
    }

    function enable_services(){
      local services="postgresql.service salt-api salt-master salt-minion jenkins"
      for s in ${services} ; do
        systemctl enable ${s} || true
        systemctl restart ${s} || true
      done
    }

    function process_network(){
      echo "Configuring network interfaces"
      find /etc/network/interfaces.d/ -type f -delete
      kill $(pidof /sbin/dhclient) || /bin/true
      envsubst < /root/interfaces > /etc/network/interfaces
      ip a flush dev ens3
      rm -f /var/run/network/ifstate.ens3
      if [[ $(grep -E "^\ *gateway\ " /etc/network/interfaces) ]]; then
      (ip r s | grep ^default) && ip r d default || /bin/true
      fi;
      ifup ens3
    }

    function process_maas(){
      postgres_enabled=$(salt-call --out=text pillar.get postgresql:server:enabled | awk '{print $2}' | tr "[:upper:]" "[:lower:]")
      if [[ "${postgres_enabled}" == "true" ]]; then
        salt-call ${SALT_OPTS} state.sls postgresql.server
      fi

      _region=$(salt-call --out=text pillar.get maas:region:enabled | awk '{print $2}' | tr "[:upper:]" "[:lower:]" )
      if [[ "${maas_cluster_enabled}" == "true" ]]; then
        salt-call ${SALT_OPTS} state.sls maas.cluster
      else
        echo "WARNING: maas.cluster skipped!"
      fi
      if [[ "$_region" == "true" ]]; then
        # FIXME MAAS still can fail in rare race condition.
        salt-call ${SALT_OPTS} state.sls maas.region || salt-call ${SALT_OPTS} state.sls maas.region
      else
        echo "WARNING: maas.region skipped!"
      fi
      # Do not move it under first cluster-only check!
      if [[ "${maas_cluster_enabled}" == "true" ]]; then
        _post_maas_cfg
      fi
    }

    function process_jenkins(){
      _jjobs=$(salt-call --out=text pillar.get jenkins:client:job | awk '{print $2}')
      if [[ "${_jjobs}" != "" ]]; then
        salt-call ${SALT_OPTS} state.sls jenkins.client
      fi
    }

    failsafe_ssh_key(){
      if [ -f /mnt/root_auth_keys ]; then
        echo "Installing failsafe public ssh key from /mnt/root_auth_keys to /root/.ssh/authorized_keys"
        install -m 0700 -d /root/.ssh
        cat /mnt/root_auth_keys >> /root/.ssh/authorized_keys
        chmod 600 /root/.ssh/authorized_keys
        sed -i "s/^PermitRootLogin.*/PermitRootLogin yes/g" /etc/ssh/sshd_config
        sed -i "s/^PasswordAuthentication.*/PasswordAuthentication yes/g" /etc/ssh/sshd_config
        service ssh restart
      fi
    }

    . /etc/cloud/master_environment
    printenv | sort -u
    process_network

    echo "Preparing metadata model"
    if [[ -n "${CFG_BOOTSTRAP_DRIVE_URL}" ]]; then
      wget -O /tmp/cfg01.iso "$cfg_bootstrap_drive"
      mount -o loop /tmp/cfg01.iso /mnt/
    else
      mount /dev/cdrom /mnt/
    fi
    cp -rT /mnt/model/model /srv/salt/reclass
    chown -R root:root /srv/salt/reclass/* || true
    chown -R root:root /srv/salt/reclass/.git* || true
    chmod -R 644 /srv/salt/reclass/classes/cluster/* || true
    chmod -R 644 /srv/salt/reclass/classes/system/*  || true

    failsafe_ssh_key

    echo "Configuring salt"
    envsubst < /root/minion.conf > /etc/salt/minion.d/minion.conf
    enable_services

    # Wait for salt-master and salt-minion to wake up after restart
    salt-call --timeout=120 test.ping

    while true; do
    salt-key | grep "$SALT_MASTER_MINION_ID" && break
      sleep 5
    done

    find /var/lib/jenkins/jenkins.model.JenkinsLocationConfiguration.xml -type f -print0 | xargs -0 sed -i -e "s/10.167.4.15/$SALT_MASTER_DEPLOY_IP/g"

    echo "updating local git repos"
    if [[ "$PIPELINES_FROM_ISO" == "true" ]] ; then
      cp -r /mnt/mk-pipelines/* /home/repo/mk/mk-pipelines/
      cp -r /mnt/pipeline-library/* /home/repo/mcp-ci/pipeline-library/
      umount /mnt || true
      chown -R git:www-data /home/repo/mk/mk-pipelines/*
      chown -R git:www-data /home/repo/mcp-ci/pipeline-library/*
    else
      umount /mnt || true
      git clone --mirror "${PIPELINE_REPO_URL}/mk-pipelines.git" /home/repo/mk/mk-pipelines/
      git clone --mirror "${PIPELINE_REPO_URL}/pipeline-library.git" /home/repo/mcp-ci/pipeline-library/
      chown -R git:www-data /home/repo/mk/mk-pipelines/*
      chown -R git:www-data /home/repo/mcp-ci/pipeline-library/*
    fi

    process_formulas

    salt-call saltutil.refresh_pillar
    salt-call saltutil.sync_all
    if ! $(reclass -n ${SALT_MASTER_MINION_ID} > /dev/null ) ; then
      echo "ERROR: Reclass render failed!"
      exit 1
    fi

    salt-call ${SALT_OPTS} state.sls linux.network,linux,openssh
    # PROD-21179: Run salt.minion.ca to prepare CA certificate before salt.minion.cert is used
    salt-call ${SALT_OPTS} state.sls salt.minion.ca
    salt-call ${SALT_OPTS} state.sls salt
    salt-call ${SALT_OPTS} pkg.install salt-master,salt-minion

    sleep 5
    # Wait for salt-master and salt-minion to wake up after restart
    salt-call --timeout=120 test.ping

    salt-call ${SALT_OPTS} state.sls salt
    salt-call ${SALT_OPTS} state.sls reclass

    maas_cluster_enabled=$(salt-call --out=text pillar.get maas:cluster:enabled | awk '{print $2}' | tr "[:upper:]" "[:lower:]" )
    process_maas

    ssh-keyscan cfg01 > /var/lib/jenkins/.ssh/known_hosts || true

    process_jenkins

    stop_services="salt-api salt-master salt-minion jenkins maas-rackd.service maas-regiond.service postgresql.service"
    for s in ${stop_services} ; do
      systemctl stop ${s} || true
      sleep 1
    done
    # Set bootstrap-done flag for future
    mkdir -p /var/log/mcp/
    touch /var/log/mcp/.bootstrap_done
    sync
    reboot
runcmd:
   - [bash, -cex, *master_config]