niedbalski

#!/bin/bash
# Displays running processes in descending order of OOM score
printf 'PID\tOOM Score\tOOM Adj\tCommand\n'
while read -r pid comm; do [ -f /proc/$pid/oom_score ] && [ $(cat /proc/$pid/oom_score) != 0 ] && printf '%d\t%d\t\t%d\t%s\n' "$pid" "$(cat /proc/$pid/oom_score)" "$(cat /proc/$pid/oom_score_adj)" "$comm"; done < <(ps -e -o pid= -o comm=) | sort -k 2nr

niedbalski

# curl https://gist.github.com/niedbalski/a6511e9bd3b6c674d9eb767211e5ccf3/raw/1909e266dcf5dc15ee43deef471f87b209d1ce7c/juju-pwhash
# p=$(openssl rand -hex 12) && printf "agent.conf=%s\nmongodb=%s\n" $p $(./juju-pwhash -p ${p})
agent.conf=2c0bdfcd9f61d5248005ff71
mongodb=9DYXMt1+hfklY2NiFcw2Y5dF

edit the agent.conf of the unit manually and change apipassword to ^^ agent.conf.

$ juju ssh -m controller 0
$ sudo su
# source <(curl -s https://gist.githubusercontent.com/msplival/b479edf76c4f9d1dda7a69e3addab6f5/raw/1d10eea9f0d1b459ee1fe4108cf9217eb3a46b5c/dialmgo-bionic)

niedbalski

niedbalski

# for juju on xenial
cat << EOF > /tmp/a.js
db = db.getSiblingDB('juju');
var collectionNames = db.getCollectionNames(), stats = [];
collectionNames.forEach(function (n) { stats.push(db[n].stats()); });
stats = stats.sort(function(a, b) { return b['size'] - a['size']; });
for (var c in stats) { print(stats[c]['ns'] + ": " + stats[c]['size'] + " (" + stats[c]['storageSize'] + ")"); }
EOF
/usr/lib/juju/mongo3.2/bin/mongo --sslAllowInvalidCertificates --ssl -u admin -p $(grep oldpassword /var/lib/juju/agents/machine-0/agent.conf | awk -e '{print $2}') localhost:37017/admin /tmp/a.js

niedbalski

LB_ID="6899b9b1-2bb7-4771-999f-6cced80cc321"
LB_DATA=$(neutron lbaas-loadbalancer-show ${LB_ID} --format yaml)
LB_LISTENERS_ID=$(echo -e "$LB_DATA" | awk -F'"' '/listeners/ {print $4}')
LB_POOL_ID=$(echo -e "$LB_DATA" | awk -F'"' '/pools/ {print $4}')
LB_HEALTH_ID=$(neutron lbaas-pool-show ${LB_POOL_ID} | awk '/healthmonitor_id/ {print $4}')
neutron lbaas-listener-delete "${LB_LISTENERS_ID}"
neutron lbaas-healthmonitor-delete "${LB_HEALTH_ID}"
neutron lbaas-pool-delete "${LB_POOL_ID}"
neutron lbaas-loadbalancer-delete "${LB_ID}"

niedbalski

#!/bin/bash
dbpass=$(grep statepassword /var/lib/juju/agents/machine-*/agent.conf | cut -d' ' -f2)
while true; do mongo 127.0.0.1:37017/juju -u "machine-0" -p "$dbpass" --sslAllowInvalidCertificates --ssl --authenticationDatabase admin --eval "printjson(db.stats())" | grep -Ei '(datasize|storage|objects)' && sleep 1;done

niedbalski

#!/bin/bash
# gather metrics about sockstat and buffer size.

currdate=$(date +"%m-%d-%Y")
timeout=${1:-600}
every=${2:-1}
basepath=${3:-./sockstat-report-${currdate}/}

function watch_it() {
	timeout $1 watch -t -n $2 "cat $3 | tee -a ${basepath}$(basename ${3})_${currdate}.log"  &>/dev/null &

niedbalski

#!/bin/bash
# 
# gather metrics about sockstat and buffer size.
#

timeout=${1:-600}
every=${2:-1}

function watch_it() {
        timeout $1 watch -t -n $2 "cat $3 | tee -a $(basename ${3})_$(date +"%m-%d-%Y").log"  &>/dev/null &

niedbalski

for f in $(ldd /usr/sbin/named|cut -d" " -f1 | cut -d "." -f1); do sudo apt-cache search $f | grep dbgsym | grep $f | cut -d " " -f1| xargs apt -yyq install;done

niedbalski

#!/usr/bin/env python

import subprocess
import yaml
import sys

def juju_status(juju_env=None):
    cmd = ['juju', 'status', '--format=yaml']
    status_raw = subprocess.check_output(cmd)
    return yaml.safe_load(status_raw)