bash_functions

gistfile1.txt

#! /bin/bash 

#
# BASIC 
# ###################
export EDITOR=/usr/bin/vim
export SHELL=/bin/bash
export PAGER=less

# erase duplicated entries, ignore entries that are duplicates or begin with spaces
export HISTCONTROL="erasedups:ignoreboth"
export HISTSIZE=50000

function removeFromPath() { 
   export PATH=$(echo ${PATH} | sed -E -e "s;:$1;;" -e "s;$1:?;;")
}

alias listening="netstat -na | grep LISTEN"

# Find a file up a dir 
function upsearch () {
  slashes=${PWD//[^\/]/}
  directory="$PWD"
  for (( n=${#slashes}; n>0; --n ))
  do
    test -e "$directory/$1" && echo "$directory/$1" && return $directory
    directory="$directory/.."
  done
}

function re-source() { 
  . ~/.bashrc
}

#
# COLORS
# ################
export PS1="\[\033[36m\]\u\[\033[m\]@\[\033[32m\]\h:\[\033[33;1m\]\w\[\033[m\]\$ "
export CLICOLOR=1
export LSCOLORS=ExFxBxDxCxegedabagacad
alias ls='ls -GFh'

export RED="\e[31m"
export YELLOW="\e[0;33m"
export GREEN="\e[0;32m"
export OCHRE="\e[38;5;95m"
export BLUE="\e[0;37m"
export WHITE="\e[0;37m"
export RESET="\e[0m"


#
# JDKs 
# ################
function removeFromPath() {
   export PATH=$(echo ${PATH} | sed -E -e "s;:$1;;" -e "s;$1:?;;")
}

function showJdk() {
   /usr/libexec/java_home
}

function setJdk() {
  if [ $# -ne 0 ]; then
    removeFromPath '/System/Library/Frameworks/JavaVM.framework/Home/bin'
    if [ -n "${JAVA_HOME+x}" ]; then
       removeFromPath ${JAVA_HOME}/bin
    fi
    export JAVA_HOME=`/usr/libexec/java_home -v $@`
    export PATH=${JAVA_HOME}/bin:${PATH}

    echo ""
    java -version
    echo ""
  fi
}

function listJdks() {
  /usr/libexec/java_home -V
}

if [ -f /usr/libexec/java_home ]; then
  export HISTORY=10000
  echo ""
  echo "Settings JDK ..."
  setJdk 1.8
else
  echo ""
  echo -n "Configured Jdk is "
  java -version
  javac -version
  echo ""
fi


#
# Docker 
# ##############
function docker-cleanup() { 
  docker images --no-trunc| grep '<none>' | awk '{print $3}' | xargs docker rmi
  docker images --filter status=dead --filter=exited -aq | xargs docker rm -v 
  docker rm `docker ps -a | grep Exited | awk '{print $1 }'`
  docker rm `docker ps -a | grep Created | awk '{print $1 }'`
  docker volume rm $(docker volume ls -qf dangling=true)

  for cont in $( docker images | awk '{ print $1; }' | sort | uniq )
  do 
    echo "**********************************************"
    echo $cont 
    docker images | grep "$cont" | tail -n +5 | awk '{ print $3}' | xargs docker rmi 
    echo "**********************************************"
  done 
}


function docker-ps() { 
  docker ps -a | perl -ne 'chomp; @cols = split /\s{2,}/, $_; $name=pop @cols; printf "%-20s %-30s %-15s %s\n", $name, $cols[1], $cols[4], $cols[5]'
}

alias docker-top="docker-ps | awk '{if(NR>1)print}' | cut -c1-15 | tr '\\n' ' ' | xargs docker stats"

#
# OSX Helpers
# #################
function reset-DNS() { 
   sudo killall -HUP mDNSResponder
}

function restart-audio() { 
     command sudo killall coreaudiod \
  && sudo launchctl unload /System/Library/LaunchDaemons/com.apple.audio.coreaudiod.plist \
  && sudo launchctl   load /System/Library/LaunchDaemons/com.apple.audio.coreaudiod.plist \
  || return echo 'Audio daemon restarted'   
} 

function ip-addr() { 
  ifconfig | grep -A 4 "en0" | grep "inet " | awk '{ print $2 }' | tr -d '[:space:]'
}

function http() { 
  docker run -it --rm --add-host=mac.local:$(ip-addr) clue/httpie $@
}


#
# Kubernetes 
# ################
export NAMESPACE_FILE="${HOME}/.kube/namespace"

if [ -f $NAMESPACE_FILE ]; then
  echo "NAMESPACE already defined"
else
  echo "default" > $NAMESPACE_FILE
fi

function setPrompt() {
  export AZ_AKS_CLUSTER=$(kubectl config current-context)
  export NAMESPACE=$(cat $NAMESPACE_FILE)
  PS1="[${AZ_AKS_CLUSTER}](${NAMESPACE}) \w\$ "
}

function contexts() {
   kubectl config get-contexts
}

function namespace() { 
  if [[ ! $# -eq 1 ]]; then
    echo "Must provide value to set for namespace" 1>&2
    else
    KNOWN_NS=$(kg ns | grep -v NAME | awk '{ print $1 }' )
    FOUND=$(echo ${KNOWN_NS[@]} | grep -o "$1" | wc -w)

    if [[ ! $FOUND -eq 1 ]]; then
        echo "Unknown namespace - '$1' "
    else
        echo $1 > $NAMESPACE_FILE
        export NAMESPACE=$(cat $NAMESPACE_FILE)
        setPrompt
    fi
  fi
}

function namepsace() { 
  namespace $1
}

export NAMESPACE="$(cat $NAMESPACE_FILE)"
echo "Namespace set : ${NAMESPACE}"

export PATH=~/etc/bin:$PATH
source <(kubectl completion bash)

setPrompt