#!/bin/bash
#
# functions - puppet-openstack-integration specific functions
#

# To retry a command until it succeed for a given
# number of retries(default to 3).
retry_cmd() {
  local cmd=$1
  local total_tries=${2:-3}
  local delay=${3:-5}
  local retry_count=1
  local ret_code=1
  until [[ ${ret_code} -eq 0 || ${retry_count} -gt ${total_tries} ]]; do
      echo Retry count:-${retry_count}, Command:-$cmd
      set +e
      $cmd
      ret_code=$?
      set -e
      ((retry_count++))
      sleep ${delay}
  done
  if [ ${ret_code} -ne 0 ]; then
      echo Failed even after ${total_tries} retries, Exiting
      exit ${ret_code}
  fi
}

# Install external Puppet modules with r10k
# Uses the following variables:
#
# - ``SCRIPT_DIR`` must be set to script path
# - ``GEM_BIN_DIR`` must be set to Gem bin directory
install_external() {
  install_cmd="r10k -v DEBUG puppetfile install \
    --puppetfile ${SCRIPT_DIR}/Puppetfile1 \
    --moduledir ${PUPPETFILE_DIR}"
  retry_cmd "${install_cmd}"
}

# Install Puppet OpenStack modules from zuul checkouts
# Uses the following variables:
#
# - ``PUPPETFILE_DIR`` must be set to Puppet modules directory
# - ``SCRIPT_DIR`` must be set to script path
# - ``ZUUL_BRANCH`` must be set to Zuul branch. Fallback to 'master'.
# - ``CEPH_VERSION`` can be set to override Ceph version.
install_openstack() {
  # Periodic jobs run without ref on master
  ZUUL_BRANCH=${ZUUL_BRANCH:-master}

  if [ "$ZUUL_PROJECT" != "openstack/puppet-ceph" ] && [ -n "$CEPH_VERSION" ]; then
    if [ "$CEPH_VERSION" == "jewel" ] || [ "$CEPH_VERSION" == "luminous" ] || [ "$CEPH_VERSION" == "mimic" ]; then
      ZUUL_BRANCH="stable/$CEPH_VERSION"
    else
      ZUUL_BRANCH="master"
    fi
  fi

  local project_names=$(awk '{ if ($1 == ":git") print $3 }' \
    ${SCRIPT_DIR}/Puppetfile0 | tr -d "'," | cut -d '/' -f 4- | xargs
  )

  for project in $project_names openstack/puppet-openstack-integration
  do
    local module_name=$(echo $project | cut -d "-" -f2-)

    if [ -d /home/zuul/src/opendev.org/$project ]; then
      cp -R /home/zuul/src/opendev.org/$project $PUPPETFILE_DIR/$module_name
    else
      git clone -b $ZUUL_BRANCH https://opendev.org/$project $PUPPETFILE_DIR/$module_name
    fi
  done

  # Because openstack-integration can't be a class name.
  # https://projects.puppetlabs.com/issues/5268
  mv $PUPPETFILE_DIR/openstack-integration $PUPPETFILE_DIR/openstack_integration
}

# Install all Puppet modules with r10k
# Uses the following variables:
#
# - ``PUPPETFILE_DIR`` must be set to Puppet modules directory
# - ``SCRIPT_DIR`` must be set to script path
install_all() {
  # When installing from local source, we want to install the current source
  # we're working from.
  install_cmd="r10k -v DEBUG puppetfile install \
    --puppetfile ${SCRIPT_DIR}/Puppetfile \
    --moduledir ${PUPPETFILE_DIR}"
  retry_cmd "${install_cmd}"
  cp -a ${SCRIPT_DIR} ${PUPPETFILE_DIR}/openstack_integration
}

# Install Puppet OpenStack modules and dependencies by using
# zuul checkouts or r10k.
# Uses the following variables:
#
# - ``PUPPETFILE_DIR`` must be set to Puppet modules directory
# - ``SCRIPT_DIR`` must be set to script path
# - ``ZUUL_BRANCH`` must be set to Zuul branch
install_modules() {
  if [ -d /home/zuul/src/opendev.org ] ; then
    csplit ${SCRIPT_DIR}/Puppetfile /'External modules'/ \
      --prefix ${SCRIPT_DIR}/Puppetfile \
      --suffix '%d'
    install_external
    install_openstack
  else
    install_all
  fi
}

# This is only executed from install_modules_unit.sh because we have
# some modules that is only required for puppet6 unit testing.
# Uses the following variables:
#
# - ``PUPPETFILE_DIR`` must be set to Puppet modules directory
# - ``SCRIPT_DIR`` must be set to script path
# - ``ZUUL_BRANCH`` must be set to Zuul branch
install_modules_unit() {
  if [ -d /home/zuul/src/opendev.org ] ; then
    csplit ${SCRIPT_DIR}/Puppetfile /'External modules'/ \
      --prefix ${SCRIPT_DIR}/Puppetfile \
      --suffix '%d'
    cat ${SCRIPT_DIR}/Puppetfile_unit >> ${SCRIPT_DIR}/Puppetfile1
    install_external
    install_openstack
  else
    cat ${SCRIPT_DIR}/Puppetfile_unit >> ${SCRIPT_DIR}/Puppetfile
    install_all
  fi
}

# Write out basic hiera configuration
#
# Uses the following variables:
# - ``SCRIPT_DIR`` must be set to the dir that contains a /hiera folder to use
# - ``HIERA_CONFIG`` must be set to the hiera config file location
#
configure_hiera() {
  cat <<EOF >$HIERA_CONFIG
---
version: 5
defaults:
  datadir: ${SCRIPT_DIR}/hiera
  data_hash: yaml_data
hierarchy:
  - name: "OS specific"
    path: "%{::operatingsystem}.yaml"
  - name: "OS family specific"
    path: "%{::osfamily}.yaml"
  - name: "Common"
    path: "common.yaml"
EOF
}

is_fedora() {
    if [ -f /etc/os-release ]; then
        source /etc/os-release
        test "$ID" = "fedora" -o "$ID" = "centos"
    else
        return 1
    fi
}

uses_debs() {
    # check if apt-get is installed, valid for debian based
    type "apt-get" 2>/dev/null
}

if type "dnf" 2>/dev/null;then
    export YUM=dnf
else
    export YUM=yum
fi

print_header() {
    if [ -n "$(set | grep xtrace)" ]; then
      set +x
      local enable_xtrace='yes'
    fi
    local msg=$1
    printf '%.0s-' {1..80}; echo
    printf '| %-76s |\n' "${msg}"
    printf '%.0s-' {1..80}; echo
    if [ -n "${enable_xtrace}" ]; then
      set -x
    fi
}

install_puppet() {
    if uses_debs; then
        print_header 'Setup (Debian based)'
        if [ "${MANAGE_REPOS}" == "true" ] ; then
            PUPPET_CODENAME=$(lsb_release -s -c)
            DISTRIBUTION_VENDOR=$(lsb_release -s -i)
            # In Debian, we use the distro packages
            if [ "${DISTRIBUTION_VENDOR}" = "Ubuntu" ] ; then
                $SUDO mkdir -p /etc/apt/sources.list.d
                echo "deb ${NODEPOOL_PUPPETLABS_MIRROR} ${PUPPET_CODENAME} puppet${PUPPET_MAJ_VERSION}" | $SUDO tee /etc/apt/sources.list.d/puppetlabs.list
                $SUDO apt-key add files/GPG-KEY-puppetlabs
                $SUDO apt-key add files/GPG-KEY-ceph
                $SUDO apt-get update
            fi
        fi
        # In Debian, the distro package name is simply "puppet"
        # and there's no reason to have it in a variable.
        if [ "${DISTRIBUTION_VENDOR}" = "Debian" ] ; then
            $SUDO apt-get install -y puppet
        else
            $SUDO apt-get install -y ${PUPPET_PKG}
        fi
    elif is_fedora; then
        print_header 'Setup (RedHat based)'
        # EPEL does not work fine with RDO, we need to make sure EPEL is really disabled
        if rpm --quiet -q epel-release; then
            $SUDO $YUM remove -y epel-release
        fi
        source /etc/os-release
        if [ "${MANAGE_REPOS}" == "true" ] ; then
            $SUDO rpm --import ${NODEPOOL_PUPPETLABS_MIRROR}/RPM-GPG-KEY-puppetlabs
            $SUDO rpm --import ${NODEPOOL_PUPPETLABS_MIRROR}/RPM-GPG-KEY-puppet
            $SUDO rpm --import ${NODEPOOL_PUPPETLABS_MIRROR}/RPM-GPG-KEY-puppet-20250406
            $SUDO bash -c "cat << EOF > /etc/yum.repos.d/puppetlabs.repo
[puppetlabs-products]
name=Puppet Labs Products El ${VERSION_ID} - x86_64
baseurl=${NODEPOOL_PUPPETLABS_MIRROR}/puppet${PUPPET_MAJ_VERSION}/el/${VERSION_ID}/x86_64/
gpgkey=${NODEPOOL_PUPPETLABS_MIRROR}/RPM-GPG-KEY-puppetlabs
       ${NODEPOOL_PUPPETLABS_MIRROR}/RPM-GPG-KEY-puppet
       ${NODEPOOL_PUPPETLABS_MIRROR}/RPM-GPG-KEY-puppet-20250406
enabled=1
gpgcheck=1
EOF"
        fi
        $SUDO $YUM install -y ${PUPPET_PKG}
    fi
}

function run_puppet() {
    local manifest=$1
    $SUDO $PUPPET_FULL_PATH apply $PUPPET_ARGS fixtures/${manifest}.pp
    local res=$?
    return $res
}

function catch_selinux_alerts() {
    if is_fedora; then
        sealert_cmd="$SUDO sealert -a /var/log/audit/audit.log"
        retry_cmd "$sealert_cmd"
        if $SUDO grep -iq 'type=AVC' /var/log/audit/audit.log; then
            echo "AVC detected in /var/log/audit/audit.log"
            source /etc/os-release
            # TODO: figure why latest rabbitmq deployed with SSL tries to write in SSL pem file.
            # https://bugzilla.redhat.com/show_bug.cgi?id=1341738
            if $SUDO grep -iqE 'denied.*system_r:rabbitmq_t' /var/log/audit/audit.log; then
                echo "non-critical RabbitMQ AVC, ignoring it now."
            else
                echo "Please file a bug on https://bugzilla.redhat.com/enter_bug.cgi?product=Red%20Hat%20OpenStack&component=openstack-selinux showing sealert output."
                exit 1
            fi
        else
            echo 'No AVC detected in /var/log/audit/audit.log'
        fi
    fi
}

function timestamp_puppet_log() {
    $SUDO mv ${WORKSPACE}/puppet.log ${WORKSPACE}/puppet-$(date +%Y%m%d_%H%M%S).log
}

function catch_puppet_failures() {
    $SUDO grep -wiE '(Error|\(err\))' ${WORKSPACE}/puppet.log
}