Nathan Coad
9a561f3b07
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120 lines
3.5 KiB
Bash
120 lines
3.5 KiB
Bash
#!/bin/bash
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TARGET_CFG="/etc/dtms/vctp.yml"
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SOURCE_CFG="${TARGET_CFG}.rpmnew"
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extract_setting_key_lines() {
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local file="$1"
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awk '
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/^settings:[[:space:]]*$/ { in_settings = 1; next }
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in_settings && /^[^[:space:]]/ { in_settings = 0 }
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in_settings && $0 ~ /^ [A-Za-z0-9_]+:[[:space:]]*/ {
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key = $1
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sub(":", "", key)
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print key "\t" $0
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}
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' "$file"
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}
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merge_missing_settings_from_rpmnew() {
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local target="$1"
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local source="$2"
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if [ ! -f "$target" ] || [ ! -f "$source" ]; then
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return 0
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fi
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local src_pairs target_pairs missing_lines merged_file
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src_pairs="$(mktemp /tmp/vctp-postinstall-src-XXXXXX)" || return 0
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target_pairs="$(mktemp /tmp/vctp-postinstall-target-XXXXXX)" || { rm -f "$src_pairs"; return 0; }
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missing_lines="$(mktemp /tmp/vctp-postinstall-missing-XXXXXX)" || {
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rm -f "$src_pairs" "$target_pairs"
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return 0
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}
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merged_file="$(mktemp /tmp/vctp-postinstall-merged-XXXXXX)" || {
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rm -f "$src_pairs" "$target_pairs" "$missing_lines"
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return 0
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}
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extract_setting_key_lines "$source" > "$src_pairs"
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extract_setting_key_lines "$target" > "$target_pairs"
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declare -A existing_keys=()
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while IFS=$'\t' read -r key _; do
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[ -n "$key" ] || continue
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existing_keys["$key"]=1
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done < "$target_pairs"
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local added=0
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: > "$missing_lines"
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while IFS=$'\t' read -r key line; do
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[ -n "$key" ] || continue
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if [ -z "${existing_keys[$key]+x}" ]; then
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if [ "$added" -eq 0 ]; then
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echo " # Added automatically by RPM postinstall from vctp.yml.rpmnew defaults." >> "$missing_lines"
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fi
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echo "$line" >> "$missing_lines"
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existing_keys["$key"]=1
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added=$((added + 1))
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fi
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done < "$src_pairs"
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if [ "$added" -gt 0 ]; then
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awk -v missing_file="$missing_lines" '
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function print_missing( line) {
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while ((getline line < missing_file) > 0) {
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print line
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}
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close(missing_file)
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}
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BEGIN { in_settings = 0; inserted = 0 }
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{
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if ($0 ~ /^settings:[[:space:]]*$/) {
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in_settings = 1
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print
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next
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}
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if (in_settings && $0 ~ /^[^[:space:]]/) {
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if (!inserted) {
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print_missing()
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inserted = 1
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}
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in_settings = 0
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}
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print
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}
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END {
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if (in_settings && !inserted) {
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print_missing()
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}
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}
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' "$target" > "$merged_file" && cat "$merged_file" > "$target"
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if [ "$?" -eq 0 ]; then
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echo "vCTP postinstall: added ${added} missing settings key(s) to ${target}"
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fi
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fi
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rm -f "$src_pairs" "$target_pairs" "$missing_lines" "$merged_file"
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}
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merge_missing_settings_from_rpmnew "$TARGET_CFG" "$SOURCE_CFG" || :
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if [ -f "$TARGET_CFG" ]; then
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chown root:dtms "$TARGET_CFG" || :
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chmod 640 "$TARGET_CFG" || :
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fi
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if [ -f "$SOURCE_CFG" ]; then
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chown root:dtms "$SOURCE_CFG" || :
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chmod 640 "$SOURCE_CFG" || :
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fi
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if command -v systemctl >/dev/null 2>&1; then
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systemctl daemon-reload || :
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if [ "${1:-0}" -eq 1 ]; then
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systemctl enable --now vctp.service || :
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else
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systemctl try-restart vctp.service || :
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fi
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fi
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