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add local.conf modifying functions
This adds a set of local.conf modifying functions which make it easier for consuming projects like devstack-gate to programatically add elements to local.conf structured files. Change-Id: I3427968c2bd43aba12b3619acc27f73c74f0dabb Co-Authored-By: fumihiko kakuma <[email protected]>
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‎inc/ini-config‎

Lines changed: 164 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -274,6 +274,170 @@ function iniget_sections {
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$xtrace
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}
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# Set a localrc var
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function localrc_set {
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local file=$1
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local group="local"
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local conf="localrc"
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local section=""
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local option=$2
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local value=$3
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localconf_set "$file" "$group" "$conf" "$section" "$option" "$value"
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}
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# Check if local.conf has section.
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function localconf_has_section {
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local file=$1
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local group=$2
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local conf=$3
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local section=$4
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local sep
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sep=$(echo -ne "\x01")
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local line
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line=$(sed -ne "\\${sep}^\[\[${group}|${conf}\]\]${sep},\\${sep}\[\[.*\]\]${sep}{
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/\[${section}\]/p
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}" "$file")
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[ -n "$line" ]
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}
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# Check if local.conf has option.
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function localconf_has_option {
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local file=$1
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local group=$2
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local conf=$3
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local section=$4
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local option=$5
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local sep
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sep=$(echo -ne "\x01")
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local line
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if [[ -z "$section" ]]; then
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line=$(sed -ne "\\${sep}^\[\[${group}|${conf}\]\]${sep},\\${sep}\[\[.*\]\]${sep}{
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/${option}[ \t]*=.*$/p
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}" "$file")
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else
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line=$(sed -ne "\\${sep}^\[\[${group}|${conf}\]\]${sep},\\${sep}\[\[.*\]\]${sep}{
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/\[${section}\]/,/\[\[.*\]\]\|\[.*\]/{
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/${option}[ \t]*=.*$/p}
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}" "$file")
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fi
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[ -n "$line" ]
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}
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# Update option in local.conf.
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function localconf_update_option {
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local sudo=$1
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local file=$2
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local group=$3
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local conf=$4
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local section=$5
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local option=$6
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local value=$7
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local sep
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sep=$(echo -ne "\x01")
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if [[ -z "$section" ]]; then
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$sudo sed -i -e "\\${sep}^\[\[${group}|${conf}\]\]${sep},\\${sep}\[\[.*\]\]${sep}{
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s${sep}^\(${option}[ \t]*=[ \t]*\).*\$${sep}\1${value}${sep}
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}" "$file"
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else
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$sudo sed -i -e "\\${sep}^\[\[${group}|${conf}\]\]${sep},\\${sep}\[\[.*\]\]${sep}{
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/\[${section}\]/,/\[\[.*\]\]\|\[.*\]/s${sep}^\(${option}[ \t]*=[ \t]*\).*\$${sep}\1${value}${sep}
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}" "$file"
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fi
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}
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# Add option in local.conf.
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function localconf_add_option {
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local sudo=$1
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local file=$2
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local group=$3
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local conf=$4
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local section=$5
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local option=$6
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local value=$7
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local sep
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sep=$(echo -ne "\x01")
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if [[ -z "$section" ]]; then
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$sudo sed -i -e "\\${sep}^\[\[${group}|${conf}\]\]${sep} a $option=$value" "$file"
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else
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$sudo sed -i -e "\\${sep}^\[\[${group}|${conf}\]\]${sep},\\${sep}\[\[.*\]\]${sep}{
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/\[${section}\]/ a $option=$value
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}" "$file"
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fi
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}
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# Add section and option in local.conf.
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function localconf_add_section_and_option {
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local sudo=$1
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local file=$2
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local group=$3
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local conf=$4
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local section=$5
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local option=$6
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local value=$7
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local sep
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sep=$(echo -ne "\x01")
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$sudo sed -i -e "\\${sep}^\[\[${group}|${conf}\]\]${sep} {
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a [$section]
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a $option=$value
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}" "$file"
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}
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# Set an option in a local.conf file.
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# localconf_set [-sudo] config-file group conf-name section option value
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# - if the file does not exist, it is created
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function localconf_set {
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local xtrace
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xtrace=$(set +o | grep xtrace)
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set +o xtrace
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local sep
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sep=$(echo -ne "\x01")
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local sudo=""
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if [ $1 == "-sudo" ]; then
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sudo="sudo "
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shift
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fi
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local file=$1
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local group=$2
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local conf=$3
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local section=$4
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local option=$5
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local value=$6
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if [[ -z $group || -z $conf || -z $option || -z $value ]]; then
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$xtrace
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return
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fi
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if ! grep -q "^\[\[${group}|${conf}\]\]" "$file" 2>/dev/null; then
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# Add meta section at the end if it does not exist
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echo -e "\n[[${group}|${conf}]]" | $sudo tee --append "$file" > /dev/null
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# Add section at the end
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if [[ -n "$section" ]]; then
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echo -e "[$section]" | $sudo tee --append "$file" > /dev/null
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fi
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# Add option at the end
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echo -e "$option=$value" | $sudo tee --append "$file" > /dev/null
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elif [[ -z "$section" ]]; then
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if ! localconf_has_option "$file" "$group" "$conf" "$section" "$option"; then
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# Add option
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localconf_add_option "$sudo" "$file" "$group" "$conf" "$section" "$option" "$value"
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else
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# Replace it
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localconf_update_option "$sudo" "$file" "$group" "$conf" "$section" "$option" "$value"
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fi
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elif ! localconf_has_section "$file" "$group" "$conf" "$section"; then
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# Add section and option in specified meta section
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localconf_add_section_and_option "$sudo" "$file" "$group" "$conf" "$section" "$option" "$value"
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elif ! localconf_has_option "$file" "$group" "$conf" "$section" "$option"; then
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# Add option
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localconf_add_option "$sudo" "$file" "$group" "$conf" "$section" "$option" "$value"
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else
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# Replace it
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localconf_update_option "$sudo" "$file" "$group" "$conf" "$section" "$option" "$value"
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fi
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$xtrace
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}
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# Restore xtrace
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$INC_CONF_TRACE
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