Implement deploy time config

Former-commit-id: 409f61d68d
This commit is contained in:
David Boreham 2023-03-31 16:29:59 -06:00
parent 1342be5723
commit 31f9f0e864
4 changed files with 55 additions and 3 deletions

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@ -36,6 +36,12 @@ RUN apt-get update && export DEBIAN_FRONTEND=noninteractive \
# ARG EXTRA_NODE_VERSION=10
# RUN su node -c "source /usr/local/share/nvm/nvm.sh && nvm install ${EXTRA_NODE_VERSION}"
# We do this to get a yq binary from the published container, for the correct architecture we're building here
COPY --from=docker.io/mikefarah/yq:latest /usr/bin/yq /usr/local/bin/yq
RUN mkdir -p /scripts
COPY ./apply-webapp-config.sh /scripts
# [Optional] Uncomment if you want to install more global node modules
# RUN su node -c "npm install -g <your-package-list-here>"
@ -44,15 +50,17 @@ RUN npm config set @cerc-io:registry ${CERC_NPM_URL} \
&& npm config set @lirewine:registry ${CERC_NPM_URL} \
&& npm config set -- ${CERC_NPM_URL}:_authToken ${CERC_NPM_AUTH_TOKEN}
RUN mkdir -p /config
COPY ./config.yml /config
# Install simple web server for now (use nginx perhaps later)
RUN yarn global add http-server
# Globally install the payload web app package
RUN yarn global add @cerc-io/console-app
# Temp hack to fix up config
RUN cd /usr/local/share/.config/yarn/global/node_modules/@cerc-io/console-app/dist/production && \
find . -type f -exec sed -i 's#LACONIC_HOSTED_CONFIG_SERVICES_WNS_SERVER#http://laconicd:9473/api#g' {} +
# Run this script to substitute the config values into the unpackaged webapp files:
# ./scripts/apply-webapp-config.sh ./config/config.yml /usr/local/share/.config/yarn/global/node_modules/@cerc-io/console-app/dist/production
# Expose port for http
EXPOSE 80

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@ -0,0 +1,34 @@
#!/usr/bin/env bash
if [ -n "$CERC_SCRIPT_DEBUG" ]; then
set -x
fi
if [[ $# -ne 2 ]]; then
echo "Illegal number of parameters" >&2
exit 1
fi
config_file_name=$1
webapp_files_dir=$2
if ![[ -f ${config_file_name} ]]; then
echo "Config file ${config_file_name} does not exist" >&2
exit 1
fi
if ![[ -d ${webapp_files_dir} ]]; then
echo "Webapp directory ${webapp_files_dir} does not exist" >&2
exit 1
fi
# First some magic using yq to translate our yaml config file into an array of key value pairs like:
# LACONIC_HOSTED_CONFIG_<path-through-objects>=<value>
readarray -t config_kv_pair_array < <( yq '.. | select(length > 2) | ([path | join("_"), .] | join("=") )' ${config_file_name} | sed 's/^/LACONIC_HOSTED_CONFIG_/' )
declare -p config_kv_pair_array
# Then iterate over that kv array making the template substitution in our web app files
for kv_pair_string in "${config_kv_pair_array[@]}"
do
kv_pair=(${kv_pair_string//=/ })
template_string_to_replace=${kv_pair[0]}
template_value_to_substitute=${kv_pair[1]}
# Run find and sed to do the substitution of one variable over all files
# See: https://stackoverflow.com/a/21479607/1701505
echo "Substituting: ${template_string_to_replace} = ${template_value_to_substitute}"
# Note: we do not escape our strings, on the expectation they do not container the '#' char.
find ${webapp_files_dir} -type f -exec sed -i 's#'${template_string_to_replace}'#'${template_value_to_substitute}'#g' {} +
done

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@ -0,0 +1,6 @@
# Config for laconic-console running in a fixturenet with laconicd
services:
wns:
server: 'http:/laconicd:9473/api'
webui: 'http://laconicd:9473/console'

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@ -0,0 +1,4 @@
#!/usr/bin/env bash
if [ -n "$CERC_SCRIPT_DEBUG" ]; then
set -x
fi