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Merge pull request #2053 from pi-hole/tweak/debug-logs

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Get head and tail of pihole-FTL.log during debug process
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Mark Drobnak 2018-04-15 14:23:25 -04:00 committed by GitHub
commit d4870b3854
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1 changed files with 31 additions and 3 deletions
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34
advanced/Scripts/piholeDebug.sh
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@ -592,7 +592,7 @@ ping_gateway() {
# Try to quietly ping the gateway 3 times, with a timeout of 3 seconds, using numeric output only,
# on the pihole interface, and tail the last three lines of the output
# If pinging the gateway is not successful,
if ! ${cmd} -c 3 -W 2 -n ${gateway} -I ${PIHOLE_INTERFACE} >/dev/null; then
if ! ${cmd} -c 1 -W 2 -n ${gateway} -I ${PIHOLE_INTERFACE} >/dev/null; then
# let the user know
log_write "${CROSS} ${COL_RED}Gateway did not respond.${COL_NC} ($FAQ_GATEWAY)\n"
# and return an error code
@ -613,7 +613,7 @@ ping_internet() {
ping_ipv4_or_ipv6 "${protocol}"
log_write "* Checking Internet connectivity via IPv${protocol}..."
# Try to ping the address 3 times
if ! ${cmd} -W 2 -c 3 -n ${public_address} -I ${PIHOLE_INTERFACE} >/dev/null; then
if ! ${cmd} -c 1 -W 2 -n ${public_address} -I ${PIHOLE_INTERFACE} >/dev/null; then
# if it's unsuccessful, show an error
log_write "${CROSS} ${COL_RED}Cannot reach the Internet.${COL_NC}\n"
return 1
@ -958,7 +958,7 @@ list_files_in_dir() {
"${PIHOLE_WEB_SERVER_ERROR_LOG_FILE}") make_array_from_file "${dir_to_parse}/${each_file}" 25
;;
# Same for the FTL log
"${PIHOLE_FTL_LOG}") make_array_from_file "${dir_to_parse}/${each_file}" 25
"${PIHOLE_FTL_LOG}") head_tail_log "${dir_to_parse}/${each_file}" 35
;;
# parse the file into an array in case we ever need to analyze it line-by-line
*) make_array_from_file "${dir_to_parse}/${each_file}";
@ -991,6 +991,34 @@ show_content_of_pihole_files() {
show_content_of_files_in_dir "${LOG_DIRECTORY}"
}
head_tail_log() {
# The file being processed
local filename="${1}"
# The number of lines to use for head and tail
local qty="${2}"
local head_line
local tail_line
# Put the current Internal Field Separator into another variable so it can be restored later
OLD_IFS="$IFS"
# Get the lines that are in the file(s) and store them in an array for parsing later
IFS=$'\r\n'
local log_head=()
log_head=( $(head -n ${qty} ${filename}) )
log_write " ${COL_CYAN}-----head of $(basename ${filename})------${COL_NC}"
for head_line in "${log_head[@]}"; do
log_write " ${head_line}"
done
log_write ""
local log_tail=()
log_tail=( $(tail -n ${qty} ${filename}) )
log_write " ${COL_CYAN}-----tail of $(basename ${filename})------${COL_NC}"
for tail_line in "${log_tail[@]}"; do
log_write " ${tail_line}"
done
# Set the IFS back to what it was
IFS="$OLD_IFS"
}
analyze_gravity_list() {
echo_current_diagnostic "Gravity list"
local head_line