openstack-helm-infra/tools/deployment/common/get-values-overrides.sh
Tin Lam b72f750e87 fix(script): removes replacement overrides
This removes the functionality to perform envsubst in the feature
gate script to prevent users with specific env set running into
unexpected error. This feature will be re-visited in the future to
be made more robust.

Signed-off-by: Tin Lam <tin@irrational.io>
Change-Id: I6dcfd4dad138573294a9222e4e7af80c9bff4ac0
2021-03-19 01:14:09 -05:00

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#!/bin/bash
#
# 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.
set -e
HELM_CHART="$1"
: "${HELM_CHART_ROOT_PATH:="../openstack-helm-infra"}"
: "${CONTAINER_DISTRO_NAME:="ubuntu"}"
: "${CONTAINER_DISTRO_VERSION:="xenial"}"
: "${FEATURE_GATES:="apparmor"}"
OSH_INFRA_FEATURE_MIX="${FEATURE_GATES},${CONTAINER_DISTRO_NAME}_${CONTAINER_DISTRO_VERSION},${CONTAINER_DISTRO_NAME}"
function echoerr () {
echo "$@" 1>&2;
}
function generate_awk_exp_from_mask () {
local POSITION=1
for VALUE in $@; do
[ "${VALUE}" -eq 1 ] && echo -n "print \$${POSITION};"
POSITION=$((POSITION+1))
done
echo -e "\n"
}
function combination () {
POWER=$((2**$#))
BITS="$(awk "BEGIN { while (c++ < $#) printf \"0\" }")"
while [ "${POWER}" -gt 1 ];do
POWER=$((POWER-1))
BIN="$(bc <<< "obase=2; ${POWER}")"
MASK="$(echo "${BITS}" | sed -e "s/0\{${#BIN}\}$/$BIN/" | grep -o .)"
#NOTE: This line is odd, but written to support both BSD and GNU utils
awk -v ORS="-" "{$(generate_awk_exp_from_mask "$MASK")}" <<< "$@" | awk 1 | sed 's/-$//'
done
}
function override_file_args () {
OVERRIDE_ARGS=""
echoerr "We will attempt to use values-override files with the following paths:"
for FILE in $(combination ${1//,/ } | uniq | tac); do
FILE_PATH="${HELM_CHART_ROOT_PATH}/${HELM_CHART}/values_overrides/${FILE}.yaml"
if [ -f "${FILE_PATH}" ]; then
OVERRIDE_ARGS+=" --values=${FILE_PATH} "
fi
echoerr "${FILE_PATH}"
done
echo "${OVERRIDE_ARGS}"
}
echoerr "We are going to deploy the service ${HELM_CHART} using ${CONTAINER_DISTRO_NAME} (${CONTAINER_DISTRO_VERSION}) distribution containers."
source ${HELM_CHART_ROOT_PATH}/tools/deployment/common/env-variables.sh
override_file_args "${OSH_INFRA_FEATURE_MIX}"