pi-hole/advanced/Scripts/chronometer.sh
Peter Robinson 45521b377a Use ip route rather than old net-tools route in chronometer.sh
The only use of net-tools is the use of route in chronometer.sh so
instead use the same method as used in piholeDebug.sh to get the
default gateway so there's no need to depend on net-tools anylonger.

Signed-off-by: Peter Robinson <pbrobinson@gmail.com>
2018-07-26 17:46:51 +01:00

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#!/usr/bin/env bash
# shellcheck disable=SC1090,SC1091
# Pi-hole: A black hole for Internet advertisements
# (c) 2017 Pi-hole, LLC (https://pi-hole.net)
# Network-wide ad blocking via your own hardware.
#
# Calculates stats and displays to an LCD
#
# This file is copyright under the latest version of the EUPL.
# Please see LICENSE file for your rights under this license.
LC_NUMERIC=C
# Retrieve stats from FTL engine
pihole-FTL() {
ftl_port=$(cat /var/run/pihole-FTL.port 2> /dev/null)
if [[ -n "$ftl_port" ]]; then
# Open connection to FTL
exec 3<>"/dev/tcp/127.0.0.1/$ftl_port"
# Test if connection is open
if { "true" >&3; } 2> /dev/null; then
# Send command to FTL
echo -e ">$1" >&3
# Read input
read -r -t 1 LINE <&3
until [[ ! $? ]] || [[ "$LINE" == *"EOM"* ]]; do
echo "$LINE" >&1
read -r -t 1 LINE <&3
done
# Close connection
exec 3>&-
exec 3<&-
fi
else
echo "0"
fi
}
# Print spaces to align right-side additional text
printFunc() {
local text_last
title="$1"
title_len="${#title}"
text_main="$2"
text_main_nocol="$text_main"
if [[ "${text_main:0:1}" == "" ]]; then
text_main_nocol=$(sed 's/\[[0-9;]\{1,5\}m//g' <<< "$text_main")
fi
text_main_len="${#text_main_nocol}"
text_addn="$3"
if [[ "$text_addn" == "last" ]]; then
text_addn=""
text_last="true"
fi
# If there is additional text, define max length of text_main
if [[ -n "$text_addn" ]]; then
case "$scr_cols" in
[0-9]|1[0-9]|2[0-9]|3[0-9]|4[0-4]) text_main_max_len="9";;
4[5-9]) text_main_max_len="14";;
*) text_main_max_len="19";;
esac
fi
[[ -z "$text_addn" ]] && text_main_max_len="$(( scr_cols - title_len ))"
# Remove excess characters from main text
if [[ "$text_main_len" -gt "$text_main_max_len" ]]; then
# Trim text without colours
text_main_trim="${text_main_nocol:0:$text_main_max_len}"
# Replace with trimmed text
text_main="${text_main/$text_main_nocol/$text_main_trim}"
fi
# Determine amount of spaces for each line
if [[ -n "$text_last" ]]; then
# Move cursor to end of screen
spc_num=$(( scr_cols - ( title_len + text_main_len ) ))
else
spc_num=$(( text_main_max_len - text_main_len ))
fi
[[ "$spc_num" -le 0 ]] && spc_num="0"
spc=$(printf "%${spc_num}s")
#spc="${spc// /.}" # Debug: Visualise spaces
printf "%s%s$spc" "$title" "$text_main"
if [[ -n "$text_addn" ]]; then
printf "%s(%s)%s\\n" "$COL_NC$COL_DARK_GRAY" "$text_addn" "$COL_NC"
else
# Do not print trailing newline on final line
[[ -z "$text_last" ]] && printf "%s\\n" "$COL_NC"
fi
}
# Perform on first Chrono run (not for JSON formatted string)
get_init_stats() {
calcFunc(){ awk "BEGIN {print $*}" 2> /dev/null; }
# Convert bytes to human-readable format
hrBytes() {
awk '{
num=$1;
if(num==0) {
print "0 B"
} else {
xxx=(num<0?-num:num)
sss=(num<0?-1:1)
split("B KB MB GB TB PB",type)
for(i=5;yyy < 1;i--) {
yyy=xxx / (2^(10*i))
}
printf "%.0f " type[i+2], yyy*sss
}
}' <<< "$1";
}
# Convert seconds to human-readable format
hrSecs() {
day=$(( $1/60/60/24 )); hrs=$(( $1/3600%24 ))
mins=$(( ($1%3600)/60 )); secs=$(( $1%60 ))
[[ "$day" -ge "2" ]] && plu="s"
[[ "$day" -ge "1" ]] && days="$day day${plu}, " || days=""
printf "%s%02d:%02d:%02d\\n" "$days" "$hrs" "$mins" "$secs"
}
# Set Colour Codes
coltable="/opt/pihole/COL_TABLE"
if [[ -f "${coltable}" ]]; then
source ${coltable}
else
COL_NC=""
COL_DARK_GRAY=""
COL_LIGHT_GREEN=""
COL_LIGHT_BLUE=""
COL_LIGHT_RED=""
COL_YELLOW=""
COL_LIGHT_RED=""
COL_URG_RED=""
fi
# Get RPi throttle state (RPi 3B only) & model number, or OS distro info
if command -v vcgencmd &> /dev/null; then
local sys_throttle_raw
local sys_rev_raw
sys_throttle_raw=$(vgt=$(sudo vcgencmd get_throttled); echo "${vgt##*x}")
# Active Throttle Notice: http://bit.ly/2gnunOo
if [[ "$sys_throttle_raw" != "0" ]]; then
case "$sys_throttle_raw" in
*0001) thr_type="${COL_YELLOW}Under Voltage";;
*0002) thr_type="${COL_LIGHT_BLUE}Arm Freq Cap";;
*0003) thr_type="${COL_YELLOW}UV${COL_DARK_GRAY},${COL_NC} ${COL_LIGHT_BLUE}AFC";;
*0004) thr_type="${COL_LIGHT_RED}Throttled";;
*0005) thr_type="${COL_YELLOW}UV${COL_DARK_GRAY},${COL_NC} ${COL_LIGHT_RED}TT";;
*0006) thr_type="${COL_LIGHT_BLUE}AFC${COL_DARK_GRAY},${COL_NC} ${COL_LIGHT_RED}TT";;
*0007) thr_type="${COL_YELLOW}UV${COL_DARK_GRAY},${COL_NC} ${COL_LIGHT_BLUE}AFC${COL_DARK_GRAY},${COL_NC} ${COL_LIGHT_RED}TT";;
esac
[[ -n "$thr_type" ]] && sys_throttle="$thr_type${COL_DARK_GRAY}"
fi
sys_rev_raw=$(awk '/Revision/ {print $3}' < /proc/cpuinfo)
case "$sys_rev_raw" in
000[2-6]) sys_model=" 1, Model B";; # 256MB
000[7-9]) sys_model=" 1, Model A";; # 256MB
000d|000e|000f) sys_model=" 1, Model B";; # 512MB
0010|0013) sys_model=" 1, Model B+";; # 512MB
0012|0015) sys_model=" 1, Model A+";; # 256MB
a0104[0-1]|a21041|a22042) sys_model=" 2, Model B";; # 1GB
900021) sys_model=" 1, Model A+";; # 512MB
900032) sys_model=" 1, Model B+";; # 512MB
90009[2-3]|920093) sys_model=" Zero";; # 512MB
9000c1) sys_model=" Zero W";; # 512MB
a02082|a[2-3]2082) sys_model=" 3, Model B";; # 1GB
a020d3) sys_model=" 3, Model B+";; # 1GB
*) sys_model="";;
esac
sys_type="Raspberry Pi$sys_model"
else
source "/etc/os-release"
CODENAME=$(sed 's/[()]//g' <<< "${VERSION/* /}")
sys_type="${NAME/ */} ${CODENAME^} $VERSION_ID"
fi
# Get core count
sys_cores=$(grep -c "^processor" /proc/cpuinfo)
# Test existence of clock speed file for ARM CPU
if [[ -f "/sys/devices/system/cpu/cpu0/cpufreq/scaling_cur_freq" ]]; then
scaling_freq_file="/sys/devices/system/cpu/cpu0/cpufreq/scaling_cur_freq"
fi
# Test existence of temperature file
if [[ -f "/sys/class/thermal/thermal_zone0/temp" ]]; then
temp_file="/sys/class/thermal/thermal_zone0/temp"
elif [[ -f "/sys/class/hwmon/hwmon0/temp1_input" ]]; then
temp_file="/sys/class/hwmon/hwmon0/temp1_input"
else
temp_file=""
fi
# Test existence of setupVars config
if [[ -f "/etc/pihole/setupVars.conf" ]]; then
setupVars="/etc/pihole/setupVars.conf"
fi
}
get_sys_stats() {
local ph_ver_raw
local cpu_raw
local ram_raw
local disk_raw
# Update every 12 refreshes (Def: every 60s)
count=$((count+1))
if [[ "$count" == "1" ]] || (( "$count" % 12 == 0 )); then
# Do not source setupVars if file does not exist
[[ -n "$setupVars" ]] && source "$setupVars"
mapfile -t ph_ver_raw < <(pihole -v -c 2> /dev/null | sed -n 's/^.* v/v/p')
if [[ -n "${ph_ver_raw[0]}" ]]; then
ph_core_ver="${ph_ver_raw[0]}"
ph_lte_ver="${ph_ver_raw[1]}"
ph_ftl_ver="${ph_ver_raw[2]}"
else
ph_core_ver="-1"
fi
sys_name=$(hostname)
[[ -n "$TEMPERATUREUNIT" ]] && temp_unit="$TEMPERATUREUNIT" || temp_unit="c"
# Get storage stats for partition mounted on /
read -r -a disk_raw <<< "$(df -B1 / 2> /dev/null | awk 'END{ print $3,$2,$5 }')"
disk_used="${disk_raw[0]}"
disk_total="${disk_raw[1]}"
disk_perc="${disk_raw[2]}"
net_gateway=$(ip route | grep default | cut -d ' ' -f 3)
# Get DHCP stats, if feature is enabled
if [[ "$DHCP_ACTIVE" == "true" ]]; then
ph_dhcp_max=$(( ${DHCP_END##*.} - ${DHCP_START##*.} + 1 ))
fi
# Get DNS server count
dns_count="0"
[[ -n "${PIHOLE_DNS_1}" ]] && dns_count=$((dns_count+1))
[[ -n "${PIHOLE_DNS_2}" ]] && dns_count=$((dns_count+1))
[[ -n "${PIHOLE_DNS_3}" ]] && dns_count=$((dns_count+1))
[[ -n "${PIHOLE_DNS_4}" ]] && dns_count=$((dns_count+1))
[[ -n "${PIHOLE_DNS_5}" ]] && dns_count=$((dns_count+1))
[[ -n "${PIHOLE_DNS_6}" ]] && dns_count=$((dns_count+1))
[[ -n "${PIHOLE_DNS_7}" ]] && dns_count=$((dns_count+1))
[[ -n "${PIHOLE_DNS_8}" ]] && dns_count=$((dns_count+1))
[[ -n "${PIHOLE_DNS_9}" ]] && dns_count="$dns_count+"
fi
# Get screen size
read -r -a scr_size <<< "$(stty size 2>/dev/null || echo 24 80)"
scr_lines="${scr_size[0]}"
scr_cols="${scr_size[1]}"
# Determine Chronometer size behaviour
if [[ "$scr_cols" -ge 58 ]]; then
chrono_width="large"
elif [[ "$scr_cols" -gt 40 ]]; then
chrono_width="medium"
else
chrono_width="small"
fi
# Determine max length of divider string
scr_line_len=$(( scr_cols - 2 ))
[[ "$scr_line_len" -ge 58 ]] && scr_line_len="58"
scr_line_str=$(printf "%${scr_line_len}s")
scr_line_str="${scr_line_str// /—}"
sys_uptime=$(hrSecs "$(cut -d. -f1 /proc/uptime)")
sys_loadavg=$(cut -d " " -f1,2,3 /proc/loadavg)
# Get CPU usage, only counting processes over 1% as active
# shellcheck disable=SC2009
cpu_raw=$(ps -eo pcpu,rss --no-headers | grep -E -v " 0")
cpu_tasks=$(wc -l <<< "$cpu_raw")
cpu_taskact=$(sed -r "/(^ 0.)/d" <<< "$cpu_raw" | wc -l)
cpu_perc=$(awk '{sum+=$1} END {printf "%.0f\n", sum/'"$sys_cores"'}' <<< "$cpu_raw")
# Get CPU clock speed
if [[ -n "$scaling_freq_file" ]]; then
cpu_mhz=$(( $(< /sys/devices/system/cpu/cpu0/cpufreq/scaling_cur_freq) / 1000 ))
else
cpu_mhz=$(lscpu | awk -F ":" '/MHz/ {print $2;exit}')
cpu_mhz=$(printf "%.0f" "${cpu_mhz//[[:space:]]/}")
fi
# Determine whether to display CPU clock speed as MHz or GHz
if [[ -n "$cpu_mhz" ]]; then
[[ "$cpu_mhz" -le "999" ]] && cpu_freq="$cpu_mhz MHz" || cpu_freq="$(printf "%.1f" $(calcFunc "$cpu_mhz"/1000)) GHz"
[[ "${cpu_freq}" == *".0"* ]] && cpu_freq="${cpu_freq/.0/}"
fi
# Determine colour for temperature
if [[ -n "$temp_file" ]]; then
if [[ "$temp_unit" == "C" ]]; then
cpu_temp=$(printf "%.0fc\\n" "$(calcFunc "$(< $temp_file) / 1000")")
case "${cpu_temp::-1}" in
-*|[0-9]|[1-3][0-9]) cpu_col="$COL_LIGHT_BLUE";;
4[0-9]) cpu_col="";;
5[0-9]) cpu_col="$COL_YELLOW";;
6[0-9]) cpu_col="$COL_LIGHT_RED";;
*) cpu_col="$COL_URG_RED";;
esac
# $COL_NC$COL_DARK_GRAY is needed for $COL_URG_RED
cpu_temp_str=" @ $cpu_col$cpu_temp$COL_NC$COL_DARK_GRAY"
elif [[ "$temp_unit" == "F" ]]; then
cpu_temp=$(printf "%.0ff\\n" "$(calcFunc "($(< $temp_file) / 1000) * 9 / 5 + 32")")
case "${cpu_temp::-1}" in
-*|[0-9]|[0-9][0-9]) cpu_col="$COL_LIGHT_BLUE";;
1[0-1][0-9]) cpu_col="";;
1[2-3][0-9]) cpu_col="$COL_YELLOW";;
1[4-5][0-9]) cpu_col="$COL_LIGHT_RED";;
*) cpu_col="$COL_URG_RED";;
esac
cpu_temp_str=" @ $cpu_col$cpu_temp$COL_NC$COL_DARK_GRAY"
else
cpu_temp_str=$(printf " @ %.0fk\\n" "$(calcFunc "($(< $temp_file) / 1000) + 273.15")")
fi
else
cpu_temp_str=""
fi
read -r -a ram_raw <<< "$(awk '/MemTotal:/{total=$2} /MemFree:/{free=$2} /Buffers:/{buffers=$2} /^Cached:/{cached=$2} END {printf "%.0f %.0f %.0f", (total-free-buffers-cached)*100/total, (total-free-buffers-cached)*1024, total*1024}' /proc/meminfo)"
ram_perc="${ram_raw[0]}"
ram_used="${ram_raw[1]}"
ram_total="${ram_raw[2]}"
if [[ "$(pihole status web 2> /dev/null)" == "1" ]]; then
ph_status="${COL_LIGHT_GREEN}Active"
else
ph_status="${COL_LIGHT_RED}Offline"
fi
if [[ "$DHCP_ACTIVE" == "true" ]]; then
local ph_dhcp_range
ph_dhcp_range=$(seq -s "|" -f "${DHCP_START%.*}.%g" "${DHCP_START##*.}" "${DHCP_END##*.}")
# Count dynamic leases from available range, and not static leases
ph_dhcp_num=$(grep -cE "$ph_dhcp_range" "/etc/pihole/dhcp.leases")
ph_dhcp_percent=$(( ph_dhcp_num * 100 / ph_dhcp_max ))
fi
}
get_ftl_stats() {
local stats_raw
mapfile -t stats_raw < <(pihole-FTL "stats")
domains_being_blocked_raw="${stats_raw[0]#* }"
dns_queries_today_raw="${stats_raw[1]#* }"
ads_blocked_today_raw="${stats_raw[2]#* }"
ads_percentage_today_raw="${stats_raw[3]#* }"
queries_forwarded_raw="${stats_raw[5]#* }"
queries_cached_raw="${stats_raw[6]#* }"
# Only retrieve these stats when not called from jsonFunc
if [[ -z "$1" ]]; then
local top_ad_raw
local top_domain_raw
local top_client_raw
domains_being_blocked=$(printf "%.0f\\n" "${domains_being_blocked_raw}" 2> /dev/null)
dns_queries_today=$(printf "%.0f\\n" "${dns_queries_today_raw}")
ads_blocked_today=$(printf "%.0f\\n" "${ads_blocked_today_raw}")
ads_percentage_today=$(printf "%'.0f\\n" "${ads_percentage_today_raw}")
queries_cached_percentage=$(printf "%.0f\\n" "$(calcFunc "$queries_cached_raw * 100 / ( $queries_forwarded_raw + $queries_cached_raw )")")
recent_blocked=$(pihole-FTL recentBlocked)
read -r -a top_ad_raw <<< "$(pihole-FTL "top-ads (1)")"
read -r -a top_domain_raw <<< "$(pihole-FTL "top-domains (1)")"
read -r -a top_client_raw <<< "$(pihole-FTL "top-clients (1)")"
top_ad="${top_ad_raw[2]}"
top_domain="${top_domain_raw[2]}"
if [[ "${top_client_raw[3]}" ]]; then
top_client="${top_client_raw[3]}"
else
top_client="${top_client_raw[2]}"
fi
fi
}
get_strings() {
# Expand or contract strings depending on screen size
if [[ "$chrono_width" == "large" ]]; then
phc_str=" ${COL_DARK_GRAY}Core"
lte_str=" ${COL_DARK_GRAY}Web"
ftl_str=" ${COL_DARK_GRAY}FTL"
api_str="${COL_LIGHT_RED}API Offline"
host_info="$sys_type"
sys_info="$sys_throttle"
sys_info2="Active: $cpu_taskact of $cpu_tasks tasks"
used_str="Used: "
leased_str="Leased: "
domains_being_blocked=$(printf "%'.0f" "$domains_being_blocked")
ads_blocked_today=$(printf "%'.0f" "$ads_blocked_today")
dns_queries_today=$(printf "%'.0f" "$dns_queries_today")
ph_info="Blocking: $domains_being_blocked sites"
total_str="Total: "
else
phc_str=" ${COL_DARK_GRAY}Core"
lte_str=" ${COL_DARK_GRAY}Web"
ftl_str=" ${COL_DARK_GRAY}FTL"
api_str="${COL_LIGHT_RED}API Down"
ph_info="$domains_being_blocked blocked"
fi
[[ "$sys_cores" -ne 1 ]] && sys_cores_txt="${sys_cores}x "
cpu_info="$sys_cores_txt$cpu_freq$cpu_temp_str"
ram_info="$used_str$(hrBytes "$ram_used") of $(hrBytes "$ram_total")"
disk_info="$used_str$(hrBytes "$disk_used") of $(hrBytes "$disk_total")"
lan_info="Gateway: $net_gateway"
dhcp_info="$leased_str$ph_dhcp_num of $ph_dhcp_max"
ads_info="$total_str$ads_blocked_today of $dns_queries_today"
dns_info="$dns_count DNS servers"
[[ "$recent_blocked" == "0" ]] && recent_blocked="${COL_LIGHT_RED}FTL offline${COL_NC}"
}
chronoFunc() {
get_init_stats
for (( ; ; )); do
get_sys_stats
get_ftl_stats
get_strings
# Strip excess development version numbers
if [[ "$ph_core_ver" != "-1" ]]; then
phc_ver_str="$phc_str: ${ph_core_ver%-*}${COL_NC}"
lte_ver_str="$lte_str: ${ph_lte_ver%-*}${COL_NC}"
ftl_ver_str="$ftl_str: ${ph_ftl_ver%-*}${COL_NC}"
else
phc_ver_str="$phc_str: $api_str${COL_NC}"
fi
# Get refresh number
if [[ "$*" == *"-r"* ]]; then
num="$*"
num="${num/*-r /}"
num="${num/ */}"
num_str="Refresh set for every $num seconds"
else
num_str=""
fi
clear
# Remove exit message heading on third refresh
if [[ "$count" -le 2 ]] && [[ "$*" != *"-e"* ]]; then
echo -e " ${COL_LIGHT_GREEN}Pi-hole Chronometer${COL_NC}
$num_str
${COL_LIGHT_RED}Press Ctrl-C to exit${COL_NC}
${COL_DARK_GRAY}$scr_line_str${COL_NC}"
else
echo -e "|¯¯¯(¯)_|¯|_ ___|¯|___$phc_ver_str| ¯_/¯|_| ' \\/ _ \\ / -_)$lte_ver_str|_| |_| |_||_\\___/_\\___|$ftl_ver_str ${COL_DARK_GRAY}$scr_line_str${COL_NC}"
fi
printFunc " Hostname: " "$sys_name" "$host_info"
printFunc " Uptime: " "$sys_uptime" "$sys_info"
printFunc " Task Load: " "$sys_loadavg" "$sys_info2"
printFunc " CPU usage: " "$cpu_perc%" "$cpu_info"
printFunc " RAM usage: " "$ram_perc%" "$ram_info"
printFunc " HDD usage: " "$disk_perc" "$disk_info"
if [[ "$scr_lines" -gt 17 ]] && [[ "$chrono_width" != "small" ]]; then
printFunc " LAN addr: " "${IPV4_ADDRESS/\/*/}" "$lan_info"
fi
if [[ "$DHCP_ACTIVE" == "true" ]]; then
printFunc "DHCP usage: " "$ph_dhcp_percent%" "$dhcp_info"
fi
printFunc " Pi-hole: " "$ph_status" "$ph_info"
printFunc " Ads Today: " "$ads_percentage_today%" "$ads_info"
printFunc "Local Qrys: " "$queries_cached_percentage%" "$dns_info"
printFunc " Blocked: " "$recent_blocked"
printFunc "Top Advert: " "$top_ad"
# Provide more stats on screens with more lines
if [[ "$scr_lines" -eq 17 ]]; then
if [[ "$DHCP_ACTIVE" == "true" ]]; then
printFunc "Top Domain: " "$top_domain" "last"
else
print_client="true"
fi
else
print_client="true"
fi
if [[ -n "$print_client" ]]; then
printFunc "Top Domain: " "$top_domain"
printFunc "Top Client: " "$top_client" "last"
fi
# Handle exit/refresh options
if [[ "$*" == *"-e"* ]]; then
exit 0
else
if [[ "$*" == *"-r"* ]]; then
sleep "$num"
else
sleep 5
fi
fi
done
}
jsonFunc() {
get_ftl_stats "json"
echo "{\"domains_being_blocked\":${domains_being_blocked_raw},\"dns_queries_today\":${dns_queries_today_raw},\"ads_blocked_today\":${ads_blocked_today_raw},\"ads_percentage_today\":${ads_percentage_today_raw}}"
}
helpFunc() {
if [[ "$1" == "?" ]]; then
echo "Unknown option. Please view 'pihole -c --help' for more information"
else
echo "Usage: pihole -c [options]
Example: 'pihole -c -j'
Calculates stats and displays to an LCD
Options:
-j, --json Output stats as JSON formatted string
-r, --refresh Set update frequency (in seconds)
-e, --exit Output stats and exit witout refreshing
-h, --help Display this help text"
fi
exit 0
}
if [[ $# = 0 ]]; then
chronoFunc
fi
for var in "$@"; do
case "$var" in
"-j" | "--json" ) jsonFunc;;
"-h" | "--help" ) helpFunc;;
"-r" | "--refresh" ) chronoFunc "$@";;
"-e" | "--exit" ) chronoFunc "$@";;
* ) helpFunc "?";;
esac
done