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Fix parsing multiline variables

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The seen_dot_env_variables parser does not work correctly for multiline variables
Instead, just use set -o allexport to perform the needed behavior in the template file
This commit is contained in:
Anil Kulkarni 2024-05-19 15:21:14 -07:00
parent 1f3243222b
commit 0d1354c6c9
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GPG key ID: 4806669421E998D3
2 changed files with 19 additions and 24 deletions
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6
docker/shared/root/docker/entrypoint.d/05-templating.sh
View file

@ -16,12 +16,8 @@ entrypoint-set-script-name "$0"
declare template_file relative_template_file_path output_file_dir
# load all dot-env config files
load-config-files
load-and-export-config-files
# export all dot-env variables so they are available in templating
#
# shellcheck disable=SC2068
export ${seen_dot_env_variables[@]}
find "${ENTRYPOINT_TEMPLATE_DIR}" -follow -type f -print | while read -r template_file; do
# Example: template_file=/docker/templates/usr/local/etc/php/php.ini

37
docker/shared/root/docker/helpers.sh
View file

@ -27,9 +27,6 @@ declare -a dot_env_files=(
/var/www/.env
)
# environment keys seen when source dot files (so we can [export] them)
declare -ga seen_dot_env_variables=()
declare -g docker_state_path
docker_state_path="$(readlink -f ./storage/docker)"
@ -250,13 +247,23 @@ function log-info-stderr()
fi
}
# @description Loads the dot-env files used by Docker and track the keys present in the configuration.
# @sets seen_dot_env_variables array List of config keys discovered during loading
function load-config-files()
{
# Associative array (aka map/dictionary) holding the unique keys found in dot-env files
local -A _tmp_dot_env_keys
# @description Loads the dot-env files used by Docker
function load-config-files() {
local export_vars=0
load-config-files-impl "$export_vars"
}
# @description Loads the dot-env files used by Docker and exports the variables to subshells
function load-and-export-config-files() {
local export_vars=1
load-config-files-impl "$export_vars"
}
# @description Implementation of the [load-config-files] and [load-and-export-config-files] functions. Loads th
# @arg $1 int Whether to export the variables or just have them available in the current shell
function load-config-files-impl()
{
local export_vars=${1:-0}
for file in "${dot_env_files[@]}"; do
if ! file-exists "${file}"; then
log-warning "Could not source file [${file}]: does not exists"
@ -264,19 +271,11 @@ function load-config-files()
fi
log-info "Sourcing ${file}"
if ((export_vars)); then set -o allexport; fi
# shellcheck disable=SC1090
source "${file}"
# find all keys in the dot-env file and store them in our temp associative array
for k in $(grep -v '^#' "${file}" | cut -d"=" -f1 | xargs); do
_tmp_dot_env_keys[$k]=1
done
if ((export_vars)); then set +o allexport; fi
done
# Used in other scripts (like templating) for [export]-ing the values
#
# shellcheck disable=SC2034
seen_dot_env_variables=("${!_tmp_dot_env_keys[@]}")
}
# @description Checks if $needle exists in $haystack