libpmodules: function to get info about overlays reviewed

This commit is contained in:
2022-02-18 14:07:52 +01:00
parent 18dae1f6df
commit 917af785ab
+101 -97
View File
@@ -59,112 +59,116 @@ scan_groups () {
done
}
get_overlay_info(){
get_ol_config_files(){
#
# return array with overlay configuration files
#
# Args:
# $1 [upvar] result
local files=()
if [[ -v PMODULES_OVERLAYS_DEF ]]; then
test -r "${PMODULES_OVERLAYS_DEF}" || \
std::die 3 \
"%s -- %s" \
"overlay definition file is not readable" \
"$_"
files+=("${PMODULES_OVERLAYS_DEF}")
fi
if [[ -r "${HOME}/.Pmodules/overlays.yaml" ]]; then
files+=("${HOME}/.Pmodules/overlays.yaml")
fi
test -r "${PMODULES_ROOT}/config/overlays.yaml" || \
std::die 3 \
"%s %s -- %s" \
"base overlay definition file" \
"does not exist or is not readable" \
"$_"
files+=("${PMODULES_ROOT}/config/overlays.yaml")
std::upvar "$1" "${files[@]}"
}
get_ol_install_root(){
# $1 overlay name
# ${@:2} files
yq -Ne e ".$1.install_root" - < <(cat "${@:2}") 2>/dev/null
}
get_ol_modulefiles_root(){
# $1 overlay name
# ${@:2} files
yq -Ne e ".$1.modulefiles_root" - < <(cat "${@:2}") 2>/dev/null
}
get_ol_type(){
# $1 overlay name
# ${@:2} files
yq -Ne e ".$1.type" - < <(cat "${@:2}") 2>/dev/null
}
get_ol_names(){
# ${@} files
yq -Ne e "keys" - < <(cat "$@") 2>/dev/null | cut -b3-
}
get_ol_info(){
# Args:
# $1 [in] overlay name or directory plus optional type
# $2 [upvar] overlay name
# $2 [upvar] overlay type
# $3 [upvar] overlay root directory
# $4 [upvar] overlay prefix for software installation
# $3 [upvar] overlay type
# $4 [upvar] overlay modulefiles root directory
# $5 [upvar] overlay prefix for software installation
#
local name_or_dir="${1%:*}"
[[ -d ${name_or_dir} ]] && name_or_dir=$(cd "${name_or_dir}" && pwd -L)
local ol_name=''
local ol_install_root=''
local ol_modulefiles_root=''
local ol_type=''
local files=()
local config_files=()
if [[ -v PMODULES_OVERLAYS_CONF ]]; then
config_files+=("${PMODULES_OVERLAYS_CONF}")
get_ol_config_files files
ol_install_root=$(get_ol_install_root "${name_or_dir}" "${files[@]}")
if (( $? == 0 )); then
# "$name_of_dir" is an overlay name
ol_name="${name_or_dir}"
else
# "$name_or_dir"" might be is a directory
local -a names=( $(get_ol_names "${files[@]}") )
for name in "${names[@]}"; do
ol_install_root=$(get_ol_install_root \
"$name_or_dir" \
"${files[@]}") || continue
# found a matching overlay name
ol_name="${name}"
break
done
fi
config_files+=("${HOME}/.Pmodules/overlays.conf")
config_files+=("${PMODULES_ROOT}/config/overlays.conf")
for config_file in "${config_files[@]}"; do
[[ -r "${config_file}" ]] || continue
local toks=()
local -i lino=0
while read -a toks; do
(( lino+=1 ))
[[ -n "${toks[0]}" ]] || continue
[[ ${toks[0]} == \#* ]] && continue
(( ${#toks[@]} < 2 )) && \
std::warn "%s - %s" \
"Skipping malformed line ${lino} in configuration file" \
"${config_file}"
local _name="${toks[0]%:*}"
if [[ "${toks[0]%:*}" == "${name_or_dir}" ]] \
|| [[ "${toks[1]}" == "${name_or_dir}" ]]; then
# take type from
# 1. $1
# 2. configuration file
# 3. use default type
local _type="${ol_normal}"
if [[ "$1" == *:* ]]; then
_type="${1##*:}"
elif [[ "${toks[0]}" == *:* ]]; then
_type="${toks[0]##*:}"
fi
[[ -n "$2" ]] && std::upvar "$2" "${toks[0]%:*}"
[[ -n "$3" ]] && std::upvar "$3" "${_type}"
[[ -n "$4" ]] && std::upvar "$4" "${toks[1]}"
if [[ -n "$5" ]]; then
if [[ -n "${toks[2]}" ]]; then
std::upvar "$5" "${toks[2]}"
else
std::upvar "$5" "${toks[1]}"
fi
fi
return 0
fi
done < "${config_file}"
done
return 1
if [[ -n "${ol_name}" ]]; then
ol_modulefiles_root=$(get_ol_modulefiles_root \
"${ol_name}" \
"${files[@]}") || \
ol_modulefiles_root="${root_dir}"
ol_type=$(get_ol_type \
"${ol_name}" \
"${files[@]}") || \
ol_type="${ol_normal}"
elif [[ "${name_or_dir}" == 'default' ]]; then
ol_name='default'
ol_type="${ol_normal}"
ol_modulefiles_root="${PMODULES_ROOT}"
ol_install_root="${PMODULES_ROOT}"
else
return 1
fi
[[ -n "$2" ]] && std::upvar "$2" "${ol_name}"
[[ -n "$3" ]] && std::upvar "$3" "${ol_type}"
[[ -n "$4" ]] && std::upvar "$4" "${ol_install_root}"
[[ -n "$5" ]] && std::upvar "$5" "${ol_modulefiles_root}"
}
get_available_overlays(){
# Args:
# $1 [upvar] result
#
local name_or_dir="${1%:*}"
[[ -d ${name_or_dir} ]] && name_or_dir=$(cd "${name_or_dir}" && pwd -L)
local config_files=()
if [[ -v PMODULES_OVERLAYS_CONF ]]; then
config_files+=("${PMODULES_OVERLAYS_CONF}")
fi
config_files+=("${HOME}/.Pmodules/overlays.conf")
config_files+=("${PMODULES_ROOT}/config/overlays.conf")
local -a result=()
for config_file in "${config_files[@]}"; do
[[ -r "${config_file}" ]] || continue
local toks=()
local -i lino=0
while read -a toks; do
(( lino++ ))
[[ -n "${toks[0]}" ]] || continue
[[ ${toks[0]} == \#* ]] && continue
(( ${#toks[@]} < 2 )) && \
std::warn "%s - %s" \
"Skipping malformed line ${lino} in configuration file" \
"${config_file}"
local _name="${toks[0]%:*}"
# take type from
# 1. $1
# 2. configuration file
# 3. use default type
local _type="${ol_normal}"
if [[ "$1" == *:* ]]; then
_type="${1##*:}"
elif [[ "${toks[0]}" == *:* ]]; then
_type="${toks[0]##*:}"
fi
local _ol_dir="${toks[1]}"
local _ol_install_dir="${toks[2]}"
_ol_install_dir="${_ol_install_dir:-${toks[1]}}"
result+=( "${_name} ${_type} ${_ol_dir} ${_ol_install_dir}")
done < "${config_file}"
done
std::upvar "$1" "${result[@]}"
}
# Local Variables:
# mode: sh
# sh-basic-offset: 8