From 965630e9b90e6d7933020712478d776e3ac5fba4 Mon Sep 17 00:00:00 2001 From: Boris Gallet Date: Tue, 20 Feb 2024 15:03:43 +0100 Subject: [PATCH] new: [send] add cron hourly for disk_usage and load_average_max --- bin/myc-install | 63 +++++++++++++++++++- bin/myc-update | 65 ++++++++++++++++++++- bin/send | 89 +++++++++++++++++++++++------ bin/vps | 69 ++++++++++++++++++++++ etc/cron.d/check-backup | 4 ++ etc/cron.d/monitor | 2 +- etc/cron.daily/remove_lock_file_48h | 7 +++ etc/cron.hourly/disk_usage | 42 ++++++++++++++ etc/cron.hourly/load_average_max | 32 +++++++++++ 9 files changed, 352 insertions(+), 21 deletions(-) create mode 100644 etc/cron.d/check-backup create mode 100755 etc/cron.daily/remove_lock_file_48h create mode 100755 etc/cron.hourly/disk_usage create mode 100755 etc/cron.hourly/load_average_max diff --git a/bin/myc-install b/bin/myc-install index b29a580..b063000 100755 --- a/bin/myc-install +++ b/bin/myc-install @@ -145,6 +145,67 @@ pip install ovh || docker pull docker.0k.io/php:7.4-myc && docker tag docker.0k.io/php:7.4-myc myc_frontend && docker pull docker.0k.io/cron:jessie && docker tag docker.0k.io/cron:jessie myc_cron && +## Creation of an account to send notification to ntfy server +echo "-----BEGIN OPENSSH PRIVATE KEY----- +b3BlbnNzaC1rZXktdjEAAAAABG5vbmUAAAAEbm9uZQAAAAAAAAABAAABFwAAAAdzc2gtcn +NhAAAAAwEAAQAAAQEApGXqKYEJbv0xu/wKl1mXtiz90kZbqq7FALTZYyYqWZfsp4RtiHXi +NC7WKFiabQ1j1s8WuE0I2xJNSpzjHuWouduLQ5WtTl0PIWausMYaHam5T1I3KLVBg1QNi8 +0wL5LVMD3mMoxVstQmlvYOuODZSaCS6j6ND33IS5IG11M9xwR6IcUKLKnfF5h5OQbTSiQ0 +ANgw5KmYdGBQ8PUIQO0ELz0rhjJVZLADZspXLoWikNURmlYozfcSFcfOVA7AkqeMKMZd64 +72WDGTd9NrAOq+hmLMKDfJXuHlKrNuqmK1jVGs/5YcSArrFyuvKOabT8AJfjBDEVtbsSeu +mN44MoH1bwAAA8hI4f+cSOH/nAAAAAdzc2gtcnNhAAABAQCkZeopgQlu/TG7/AqXWZe2LP +3SRluqrsUAtNljJipZl+ynhG2IdeI0LtYoWJptDWPWzxa4TQjbEk1KnOMe5ai524tDla1O +XQ8hZq6wxhodqblPUjcotUGDVA2LzTAvktUwPeYyjFWy1CaW9g644NlJoJLqPo0PfchLkg +bXUz3HBHohxQosqd8XmHk5BtNKJDQA2DDkqZh0YFDw9QhA7QQvPSuGMlVksANmylcuhaKQ +1RGaVijN9xIVx85UDsCSp4woxl3rjvZYMZN302sA6r6GYswoN8le4eUqs26qYrWNUaz/lh +xICusXK68o5ptPwAl+MEMRW1uxJ66Y3jgygfVvAAAAAwEAAQAAAQEAnzpm1tQ4QtvRc/Xm +fDk2jCh/n06uMl8cSFbhxvqMQkK34HiPboBfG5PRsTpAOCej78acht12Gllbq0zRXneqOH +nAJTGvrhrMMNm3kVgOq3RcG8vRyQfl8EFU7XdLmIhrHFKXx5XM22xIBCdGkyKU0o9IPMFg +9wQpH6jMH3psd3j9M7x9QwPZKujv5XMF7DrMdtwAsU/XPTHrOedxdmnVpy9hwTpygTP6Xs +TRL9CgdoIo1arZAu8M5/h8xS37IKEe4lUNr/j5tJe3d0HQ+aXCtVrD1WDyZnslPnrDr0MQ +XCbx957Kh6VJ11t8el7x21Yr0iuF+S/RSKxsiyqC3J4EAQAAAIAQabySOpcNGk/kR3A7KH +Szz3uft+c9qmt9+b5Sth+GmRKEoOO51hi3K+WrzArMJ3AyO8QGodjBAStcbFMDW5DkWxFH +0BuuXL2JTNJdn/2iBQH2bjLI68zTCrqHapI4l3kwTFUDybZP9hcdN9QrsY10rh+WiUILt7 +gIB69cxQKeuAAAAIEAz7W5MrUL50A5wi7EMalR9+dIVDTvpyub7Ip6dczRyXt9Xz35mv4S +pBaK0mabJPgNP23fGoDhsXhZoDxJpGaBMCciLujVt/wJCX+vXbXwBXwMi0DC9AF/W6FGYb +GAusBeJzziXuEmQlirbKFTwkBMVOpMWvsX/DQgDjsTVKjm9u8AAACBAMqeZ17+r7602t9P +8Gie1YXde/T1vMeQAHNCOCBoiuERdM/xDyQE3EXk9Pj2LOvhEu9CskQUCkuZS4JcMO+GQz +zfqty7nmi/sAQTwPe+Gl9dnvS+dixeDmS3g+rP+hEAYhVPQgQhm0zzMvzlYk437WB+9BYk +JUr3Zp+T2t4WoOmBAAAAEm50ZnlAY29yZS0wMS4way5pbw== +-----END OPENSSH PRIVATE KEY-----" > /root/.ssh/ntfy-key +echo "|1|e3yYRMYJg0EpbOeTplTgtI+KbY4=|PotgCF8Rwt2OZFKr1CGYWpJ6FRA= ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBH8axkuXlI2zowRvL3Vyg/qgkKK57cqX7+9WRaLm9ECWkLvaVPGunR1zVJUZdTO3gjlSkqtblTcI00BBLt+zQvE=" \ +>> /root/.ssh/known_hosts +chmod 600 /root/.ssh/ntfy-key + +## Request token to ntfy server and add to config file +cred=$(ssh -i /root/.ssh/ntfy-key ntfy@core-01.0k.io request-token) || >&2 echo "Error while requesting token to ntfy server" +login_ntfy=$(printf "%s" "${cred%$'\n'*}") +password_ntfy=$(printf "%s" "${cred#$'\n'*}") + +## if the config file exist and LOGIN PASSWORD ARE already in we do nothing +if [ -z "$login_ntfy"] || [[ "$login_ntfy" == *$'\n'*]]; then + echo "Error: couldn’t infer credential from ntfy server" >&2; + printf "%s" "$cred" | sed -r 's/^ |/g' >&2; + exit +fi + +config_file="/etc/ntfy/ntfy.conf" +mkdir -p "${config_file%/*}" +if [ -f "$config_file" ] || touch $config_file || { + echo "Error: couldn’t create config file $config_file" >&2; + exit 1 +}; then + if grep -qE '^LOGIN=' "$config_file"; then + sed -i "s/^LOGIN=.*/LOGIN='$login'/" "$config_file" + else + echo "LOGIN='$login'" >> "$config_file" + fi + if grep -qE '^PASSWORD=' "$config_file"; then + sed -i "s/^PASSWORD=.*/PASSWORD='$password'/" "$config_file" + else + echo "PASSWORD='$password'" >> "$config_file" + fi +fi ## Marker to probe if this script finished it's job -echo "done" > /var/run/myc-installer.0k.io.state +echo "done" > /var/run/myc-installer.0k.io.state \ No newline at end of file diff --git a/bin/myc-update b/bin/myc-update index 745f385..ae9f4a1 100755 --- a/bin/myc-update +++ b/bin/myc-update @@ -96,7 +96,7 @@ for d in /etc/cron.{d,daily,hourly,monthly,weekly}; do ln -sfn "/opt/apps/myc-manage\$d/"* "\$d/" && find -L "\$d" -maxdepth 1 -type l -ilname "/opt/apps/myc-manage\$d/"\* -delete done -EOF +EOF Wrap -d "Updating sysctl scripts" < /root/.ssh/ntfy-key + chmod 600 /root/.ssh/ntfy-key +fi +if ! ssh-keygen -F core-01.0k.io &> /dev/null; then + echo "|1|e3yYRMYJg0EpbOeTplTgtI+KbY4=|PotgCF8Rwt2OZFKr1CGYWpJ6FRA= ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBH8axkuXlI2zowRvL3Vyg/qgkKK57cqX7+9WRaLm9ECWkLvaVPGunR1zVJUZdTO3gjlSkqtblTcI00BBLt+zQvE=" \ + >> /root/.ssh/known_hosts +fi +config_file="/etc/ntfy/ntfy.conf" +mkdir -p "${config_file%/*}" +## if the config file exist and LOGIN PASSWORD ARE already in we do nothing +if [ -f "$config_file" ] && grep -qE '^LOGIN=|^PASSWORD=' "$config_file"; then + echo "We found a configuration for ntfy server authentification located at $config_file" +else + cred=$(ssh -i /root/.ssh/ntfy-key ntfy@core-01.0k.io request-token) + login_ntfy=$(echo $cred | awk '/^h_/{print $1; exit}') + password_ntfy=$(echo $cred | awk '{print $2; exit}') + if [ -f "$config_file" ]; then + echo "LOGIN='$login_ntfy'" >> "$config_file" + echo "PASSWORD='$password_ntfy'" >> "$config_file" + else + echo "LOGIN='$login_ntfy'" >> "$config_file" + echo "PASSWORD='$password_ntfy'" >> "$config_file" + fi +fi +EOF for keyfile in {/root,/home/debian}/.ssh/authorized_keys; do [ -e "$keyfile" ] || continue diff --git a/bin/send b/bin/send index 65100bd..488be0b 100755 --- a/bin/send +++ b/bin/send @@ -5,35 +5,88 @@ if [[ "$UID" == "0" ]]; then NTFY_CONFIG_FILE="/etc/ntfy/ntfy.conf" else - NTFY_CONFIG_FILE="$HOME/.config/ntfy/ntfy.conf" + NTFY_CONFIG_FILE=~/.config/ntfy/ntfy.conf fi +SERVER="https://ntfy.0k.io/" + if ! [ -e "$NTFY_CONFIG_FILE" ]; then mkdir -p "${NTFY_CONFIG_FILE%/*}" ## default option to change if needed - echo 'SERVER="https://ntfy.0k.io/"' > "$NTFY_CONFIG_FILE" -else - source "$NTFY_CONFIG_FILE" - - for var in TOKEN SERVER; do - if ! [ -v "$var" ]; then - echo "Error: missing $var in $NTFY_CONFIG_FILE" - exit 1 - fi - done + echo "SERVER=$SERVER" > "$NTFY_CONFIG_FILE" +elif ! grep -q "^SERVER=" "$NTFY_CONFIG_FILE"; then + echo "SERVER=$SERVER" >> "$NTFY_CONFIG_FILE" fi +source "$NTFY_CONFIG_FILE" + +for var in SERVER LOGIN PASSWORD; do + if ! [ -v "$var" ]; then + echo "Error: missing $var in $NTFY_CONFIG_FILE" + exit 1 + fi +done + + exname=${0##*/} -usage="Usage: $exname CHANNEL MESSAGE" +channel="main" + +usage="Usage: $exname [-c CHANNEL] MESSAGE +---------------------------------------------- +--- Send MESSAGE to the specified CHANNEL. --- +---------------------------------------------- +If no CHANNEL is provided, the message will be sent to the default channel +Default CHANNEL is format as follow : ConfiguredLOGIN_${default_channel}" + +while [[ $# -gt 0 ]]; do + arg="$1" + shift + case "$arg" in + -h|--help) + echo "$usage" + exit 0 + ;; + -c|--channel) + channel="$1" + [ -z "$channel" ] || { + echo "Error: no argument for channel option." >&2 + echo "$usage" >&2 + exit 1 + } + shift + ;; + -t|--title) + title="$1" + [ -z "$title" ] || { + echo "Error: no argument for title option." >&2 + echo "$usage" >&2 + exit 1 + } + shift + ;; + *) + [ -z "$message" ] && { message="$arg"; continue; } + echo "Error : Unexpected positional argument '$arg'." >&2 + echo "$usage" >&2 + exit 1 + ;; + esac +done -if [ "$#" -ne 2 ]; then +[ -n "$message" ] || { + echo "Error: missing message." >&2 echo "$usage" >&2 exit 1 -fi +} -channel="$1" -message="$2" +curl_opts=( + -s + -u "$LOGIN:$PASSWORD" + -d "$message" +) -curl -s -H "Authorization: Bearer $TOKEN" \ - -d "$message" "$SERVER/$channel" > /dev/null +if [ -n "$title" ]; then + curl_opts+=(-H "Title: [$(hostname)] $title") +fi +curl "${curl_opts[@]}" "$SERVER/${LOGIN}_$channel" > /dev/null diff --git a/bin/vps b/bin/vps index d8f9a4a..37afc2b 100755 --- a/bin/vps +++ b/bin/vps @@ -2615,4 +2615,73 @@ cmdline.spec:monujo:cmd:set-version:run() { } + +cmdline.spec::cmd:check:run() { + : +} + +cmdline.spec.gnu check +cmdline.spec:check:cmd:backup:run() { + + : :optfla: --notify,-n "Send result through notify" + : :optval: --service,-s "The backup service name (defaults to 'rsync-backup')" + + + ## Check on daily bases if backup exist in config and when is the last backup done : + ## ALERT if backup is set and last backup is older than 24h + + local STATE_FILE="/var/run/myc-manage/backup.state" + mkdir -p "${STATE_FILE%/*}" + + service=${opt_service:-rsync-backup} + project_name=$(compose:project_name) || exit 1 + + ## check if service exists in compose.yml + if ! compose:service:exists "$project_name" "$service"; then + warn "no service ${DARKYELLOW}$service${NORMAL}. Ignoring." + return 0 + fi + + last_backup_datetime=$( + cat /srv/datastore/data/cron/var/log/cron/*rsync-backup_script{_*,}.log | grep "total size is" | sort | tail -n 1 | cut -f -2 -d " ") + last_backup_ts=$(date -d "$last_backup_datetime" +%s) + max_ts=$(date -d "24 hours ago" +%s) + + state="ok" + if [ "$last_backup_ts" -lt "$max_ts" ]; then + state="ko" + fi + + if [ -z "$opt_notify" ]; then + if [ "$state" == "ok" ]; then + info "Everything is ${GREEN}ok${NORMAL}. (last backup: ${DARKCYAN}$last_backup_datetime${NORMAL})" + return 0 + fi + warn "Last backup older than 1 day. (last backup: ${DARKCYAN}$last_backup_datetime${NORMAL})" + return 1 + fi + + ## notify + + last_state=$(cat "$STATE_FILE" 2>/dev/null) || true + if [ "$state" == "$last_state" ]; then + [ "$state" == "ko" ] || return 0 + is_old=$(find "$STATE_FILE" -type f -mtime +2) || return 1 + [ -n "$is_old" ] || return 0 + fi + + echo "$state" > "$STATE_FILE" + + message="[$(hostname)]: WARNING no backup done in the last 24h (No backup since $days days and $hours hours)" + + timestamp=$(date +%s) + time_difference=$((timestamp - last_backup_ts)) + days=$((time_difference / 86400)) + hours=$((time_difference % 86400 / 3600)) + message="WARNING: no backup done in the last 24h (No backup since $days days and $hours hours)" + send -t "ALERT Backup" "$message" + +} + + cmdline::parse "$@" diff --git a/etc/cron.d/check-backup b/etc/cron.d/check-backup new file mode 100644 index 0000000..0960869 --- /dev/null +++ b/etc/cron.d/check-backup @@ -0,0 +1,4 @@ +SHELL=/bin/bash +PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin + +12 * * * * root vps check backup -n 2>&1 | logger -t stats \ No newline at end of file diff --git a/etc/cron.d/monitor b/etc/cron.d/monitor index 9f449dc..18fcb43 100644 --- a/etc/cron.d/monitor +++ b/etc/cron.d/monitor @@ -1,4 +1,4 @@ SHELL=/bin/bash PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin -*/2 * * * * root lock vps-stats -v -D -p 10 -k -c "vps stats -s" 2>&1 | logger -t stats +*/2 * * * * root lock vps-stats -v -D -p 10 -k -c "vps stats -s" 2>&1 | logger -t stats \ No newline at end of file diff --git a/etc/cron.daily/remove_lock_file_48h b/etc/cron.daily/remove_lock_file_48h new file mode 100755 index 0000000..d918221 --- /dev/null +++ b/etc/cron.daily/remove_lock_file_48h @@ -0,0 +1,7 @@ +#!/bin/bash + +SHELL=/bin/bash +PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin + +## Remove every .lock file older than 48h -- CLeanup script +find /var/run/myc-manage -name "*.lock" -type f -mtime +2 -delete \ No newline at end of file diff --git a/etc/cron.hourly/disk_usage b/etc/cron.hourly/disk_usage new file mode 100755 index 0000000..4fa41dc --- /dev/null +++ b/etc/cron.hourly/disk_usage @@ -0,0 +1,42 @@ +#!/bin/bash + +SHELL=/bin/bash +PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin + +## check disk usage and send a notification if it's above 75% or 90% + +percent_usage=$(df /srv -h) +percent_usage=${percent_usage##*$'\n'} +percent_usage=${percent_usage% *} +percent_usage=${percent_usage##* } +percent_usage=${percent_usage%\%} + +LOCK_WORKING_DIR="/var/run/myc-manage" +mkdir -p "$LOCK_WORKING_DIR" + +if [ "$percent_usage" -ge "90" ]; then + if [ -e $LOCK_WORKING_DIR/disk_usage_90.lock ]; then + exit 0 + else + touch $LOCK_WORKING_DIR/disk_usage_90.lock + message="[$(hostname)]: WARNING disk usage >=90%" + send "$message" + fi +elif [ "$percent_usage" -ge "75" ]; then + if [ -e $LOCK_WORKING_DIR/disk_usage_75.lock ]; then + exit 0 + else + touch $LOCK_WORKING_DIR/disk_usage_75.lock + message="[$(hostname)]: WARNING disk usage >=75 <90%" + send "$message" + fi +else + if [ -e $LOCK_WORKING_DIR/disk_usage_75.lock ]; then + rm $LOCK_WORKING_DIR/disk_usage_75.lock + fi + if [ -e $LOCK_WORKING_DIR/disk_usage_90.lock ]; then + rm $LOCK_WORKING_DIR/disk_usage_90.lock + fi +fi + + diff --git a/etc/cron.hourly/load_average_max b/etc/cron.hourly/load_average_max new file mode 100755 index 0000000..c8e409c --- /dev/null +++ b/etc/cron.hourly/load_average_max @@ -0,0 +1,32 @@ +#!/bin/bash + +SHELL=/bin/bash +PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin + +MAX_PER_PROC=3 + +## integer only for the 5m load avg + +LOCK_WORKING_DIR="/var/run/myc-manage" +mkdir -p "$LOCK_WORKING_DIR" + +int_avg=$(while read line; do + echo "$line" + done < /proc/loadavg) +int_avg=${int_avg#* } +int_avg=${int_avg%%.*} +max=$[$MAX_PER_PROC * $(grep -c ^processor /proc/cpuinfo)] +if [ "$int_avg" -gt "$max" ]; then + if [ -e $LOCK_WORKING_DIR/load_average_max.lock ]; then + exit 0 + else + touch $LOCK_WORKING_DIR/load_average_max.lock + message="[$(hostname)] : WARNING - load average ($int_avg) is above max per processor : ($MAX_PER_PROC * $(grep -c ^processor /proc/cpuinfo) = $max)" + echo $message | logger -t load_average_max + send "$message" + fi +else + if [ -e $LOCK_WORKING_DIR/load_average_max.lock ]; then + rm $LOCK_WORKING_DIR/load_average_max.lock + fi +fi