.shellfn

#########################################
# Utility Functions

#will setup quick RDP tunnel for windows boxes in SCALR
function rdp(){
echo "Please enter IP address of box to RDP into: "
read ipaddr
echo "You entered: $ipaddr"
port_no="9002"
echo "Localhost port # for RDP: $port_no"
ec2_jumpbox_ip="10.227.165.28"
echo "ec2 jumpbox IP address: $ec2_jumpbox_ip"
ssh -L $port_no:$ipaddr:3389 gecloud@$ec2_jumpbox_ip
}

#will setup quick RDP tunnel for windows boxes in SCALR
function rdp_me(){
ipaddr="10.227.165.167"
port_no="9008"
echo "Attempting connection to $ipaddr box at port: $port_no"
ec2_jumpbox_ip="10.227.165.28"
echo "ec2 jumpbox IP address: $ec2_jumpbox_ip"
ssh -L $port_no:$ipaddr:3389 gecloud@$ec2_jumpbox_ip
}

#gets aws keys
function keyrefresh-aws(){
  ## customize the following variables

# setting for assumerole api call
name_for_this_session="212050466"

# account that you want access to (will lead to error if you're not authorized)
account_no="164996153968"

# role that you want access to (will lead to error if you're not authorized)
my_approved_role="bu-poweruser"

# how long will this token be valid for (min. 900, max. 3600)
valid_seconds=${seconds:=3600}

#### should not need to edit below this line
# the ARN for the role for which temporary token is to be generated
# format:
# arn_for_the_role="arn:aws:iam::TARGET_ACCOUNT_NO:role/TARGET_ROLE_NAME"
arn_for_the_role="arn:aws:iam::${account_no}:role/${my_approved_role}"

# optional: note the time at which keys were generated
generated_at=$(date -u "+%Y-%m-%dT%H:%M:%S")

# call STS to get temporary creds
temp_creds=$(aws sts assume-role \
                 --role-arn $arn_for_the_role \
                 --role-session-name $name_for_this_session \
                 --duration-seconds $valid_seconds \
                 --profile default \
                 --output json)

# extract access and secret keys and session token from response
# store in local shell vars
aws_access_key_id=$(echo $temp_creds \
                | jq '.Credentials.AccessKeyId' \
                | sed -e 's/\"//g')

aws_secret_access_key=$(echo $temp_creds \
                    | jq '.Credentials.SecretAccessKey' \
                    | sed -e 's/\"//g')

aws_session_token=$(echo $temp_creds \
                 | jq '.Credentials.SessionToken' \
                 | sed -e 's/\"//g')

expires_at=$(echo $temp_creds \
             | jq '.Credentials.Expiration'\
             | sed -e 's/\"//g' -e 's/Z//')

echo "generated at: $generated_at" && echo "expiring at: $expires_at"

#Set the 3 temp. keys in credentials/config file for the 'temp' profile
aws configure set AWS_ACCESS_KEY_ID $aws_access_key_id --profile temp
aws configure set AWS_SECRET_ACCESS_KEY $aws_secret_access_key --profile temp
aws configure set AWS_SESSION_TOKEN $aws_session_token --profile temp

#updates environment vars
AWS_ACCESS_KEY_ID=$aws_access_key_id; export AWS_ACCESS_KEY_ID
AWS_SECRET_ACCESS_KEY=$aws_secret_access_key; export AWS_SECRET_ACCESS_KEY
AWS_SESSION_TOKEN=$aws_session_token; export AWS_SESSION_TOKEN

}

#____________________________===================_____________________
#########################################
# Utility Functions

# Create a new git repo with one README commit and CD into it
function gitnr() { mkdir $1; cd $1; git init; touch README; git add README; git commit -mFirst-commit;}

# Do a Matrix movie effect of falling characters
function matrix1() {
echo -e "\e[1;40m" ; clear ; while :; do echo $LINES $COLUMNS $(( $RANDOM % $COLUMNS)) $(( $RANDOM % 72 )) ;sleep 0.05; done|gawk '{ letters="abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789@#$%^&*()"; c=$4; letter=substr(letters,c,1);a[$3]=0;for (x in a) {o=a[x];a[x]=a[x]+1; printf "\033[%s;%sH\033[2;32m%s",o,x,letter; printf "\033[%s;%sH\033[1;37m%s\033[0;0H",a[x],x,letter;if (a[x] >= $1) { a[x]=0; } }}'
}

function matrix2() {
echo -e "\e[1;40m" ; clear ; characters=$( jot -c 94 33 | tr -d '\n' ) ; while :; do echo $LINES $COLUMNS $(( $RANDOM % $COLUMNS)) $(( $RANDOM % 72 )) $characters ;sleep 0.05; done|gawk '{ letters=$5; c=$4; letter=substr(letters,c,1);a[$3]=0;for (x in a) {o=a[x];a[x]=a[x]+1; printf "\033[%s;%sH\033[2;32m%s",o,x,letter; printf "\033[%s;%sH\033[1;37m%s\033[0;0H",a[x],x,letter;if (a[x] >= $1) { a[x]=0; } }}'
}

# Use Mac OSX Preview to open a man page in a more handsome format
function manp() {
  man -t $1 | open -f -a /Applications/Preview.app
}

# Show normally hidden system and dotfile types of files
# in Mac OSX Finder
function showhiddenfiles() {
  defaults write com.apple.finder AppleShowAllFiles YES; killall Finder /System/Library/CoreServices/Finder.app
  }

# Hide (back to defaults) normally hidden system and dotfile types of files
# in Mac OSX Finder
function hidehiddenfiles() {
defaults write com.apple.finder AppleShowAllFiles NO; killall Finder /System/Library/CoreServices/Finder.app
}

# kill all instances of a process by name
function skill()
{
    sudo kill -9 `ps ax | grep $1 | grep -v grep | awk '{print $1}'`
}

function schef()
{
    sudo chef-client
}

function fixperms(){
    find . \( -name "*.sh" -or -type d \) -exec chmod 755 {} \; && find . -type f ! -name "*.sh" -exec chmod 644 {} \;
}