initial commit from code.google.com
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Colin Johnson
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rds-cost-calculate/README.txt
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rds-cost-calculate/README.txt
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# Introduction:
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rds-cost-calculate was created to easily sum the total of RDS instances running in one or all regions. The typical use would be to run the rds-cost-calculate script and then import into a spreadsheet application for further analysis. Another use would be to run the rds-cost-calculate script with cron, producing a weekly output file (an example of this: echo "0 0 * * 0 ec2-user /home/ec2-user/rds-cost-calculate.sh -p day -r all > /home/ec2-user/rds-cost-report`date +"%Y%m%d"`.txt" > /etc/cron.d/rds-cost-calculate.sh).
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# Directions For Use:
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#
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## Example of Use:
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#
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rds-cost-calculate.sh -r us-east-1 -p day
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-
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the above example would provide a list of all RDS instances in the region "us-east-1" along with the daily cost of running each RDS instance.
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## Required Parameters:
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#
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rds-cost-calculate has no parameter requirements. rds-cost-calculate does, however, default to the region "us-east-1" and hourly cost if no parameters are provided.
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#
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## Optional Parameters:
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#
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-r <region> - the region you wish to calculate cost for: these arguments include "all" for all regions or us-east-1, us-west-1, us-west-2, eu-west-1, ap-southeast-1, ap-northeast-1 or sa-east-1
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-p <period> - the period for which you wish to calculate instance cost. Allowable arguments are hour, day, week, month or year.
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#
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# Additional Information:
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#
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Author: Colin Johnson / colin@cloudavail.com
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Date: 2012-03-07
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Version 0.5
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License Type: GNU GENERAL PUBLIC LICENSE, Version 3
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118
rds-cost-calculate/rds-cost-calculate.sh
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rds-cost-calculate/rds-cost-calculate.sh
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#!/bin/bash -
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# Author: Colin Johnson / colin@cloudavail.com
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# Date: 2011-03-07
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# Version 0.5
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# License Type: GNU GENERAL PUBLIC LICENSE, Version 3
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#
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# Add Features:
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#####
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#rds-cost-calculate start
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#confirms that executables required for succesful script execution are available
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prerequisitecheck()
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{
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for prerequisite in basename awk rds-describe-db-instances
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do
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#use of "hash" chosen as it is a shell builtin and will add programs to hash table, possibly speeding execution. Use of type also considered - open to suggestions.
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hash $prerequisite &> /dev/null
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if [[ $? == 1 ]] #has exits with exit status of 70, executable was not found
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then echo "In order to use `basename $0`, the executable \"$prerequisite\" must be installed." 1>&2 ; exit 70
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fi
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done
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}
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#calls prerequisitecheck function to ensure that all executables required for script execution are available
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prerequisitecheck
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#handles options processing
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while getopts :r:p:o: opt
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do
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case $opt in
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p) period="$OPTARG";;
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r) region="$OPTARG";;
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o) output="$OPTARG";; #as of 2011-12-30 not implemented
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*) echo "Error with Options Input. Cause of failure is most likely that an unsupported parameter was passed or a parameter was passed without a corresponding option." 1>&2 ; exit 64;;
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esac
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done
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# period validator and cost multiplier
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case $period in
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"") multiple=1; period=hour ;;
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hour|Hour) multiple=1; ;;
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day|Day) multiple=24;;
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week|Week) multiple=168;;
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month|Month) multiple=720;;
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year|Year) multiple=8760;;
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*) echo "The \"$period\" period does not exist. You must specify a valid period for which to calculate AWS cost (example: -p hour or -p day)." 1>&2 ; exit 64;;
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esac
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# cost matrix
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# region validator
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case $region in
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us-east-1|"") regionselected=(us-east-1);;
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us-west-1) regionselected=(us-west-1);;
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us-west-2) regionselected=(us-west-2);;
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eu-west-1) regionselected=(eu-west-1);;
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ap-southeast-1) regionselected=(ap-southeast-1);;
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ap-northeast-1) regionselected=(ap-northeast-1);;
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sa-east-1) regionselected=(sa-east-1);;
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all) regionselected=(us-east-1 us-west-1 us-west-2 eu-west-1 ap-southeast-1 ap-northeast-1 sa-east-1);;
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*) echo "The \"$region\" region does not exist. You must specify a valid region for which to calculate AWS cost (example: -r us-east-1 or -r us-west-1)." 1>&2 ; exit 64;;
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esac
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#ensures that headers are only printed on the first run
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runnumber=0
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# loops through a single region or all regions
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for currentregion in ${regionselected[@]}
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do
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rds-describe-db-instances --region $currentregion --show-long --max-records 100 | awk -v currentregion=$currentregion -v period=$period -v multiple=$multiple -v runnumber=$runnumber '
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BEGIN {
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FS = ","
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dbinstancecount=0
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#sets cost for regions us-east-1 and us-west-2
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if ( currentregion == "us-east-1" || currentregion == "us-west-2" ) {
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cost["db.t1.micro"]="0.025" ; cost["db.m1.small"]="0.105" ; cost["db.m1.large"]="0.415" ; cost["db.m1.xlarge"]="0.83" ; cost["db.m2.xlarge"]="0.585" ; cost["db.m2.2xlarge"]="1.17" ; cost["db.m2.4xlarge"]="2.34" }
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#sets cost for regions eu-east-1, ap-southeast-1 and us-west-1
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if ( currentregion == "eu-west-1" || currentregion == "ap-southeast-1" || currentregion == "us-west-1" ) {
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cost["db.t1.micro"]="0.035" ; cost["db.m1.small"]="0.115" ; cost["db.m1.large"]="0.455" ; cost["db.m1.xlarge"]="0.92" ; cost["db.m2.xlarge"]="0.655" ; cost["db.m2.2xlarge"]="1.315" ; cost["db.m2.4xlarge"]="2.63" }
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#sets cost for region ap-northeast-1
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if ( currentregion == "ap-northeast-1" ) {
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cost["db.t1.micro"]="0.035" ; cost["db.m1.small"]="0.12" ; cost["db.m1.large"]="0.48" ; cost["db.m1.xlarge"]="0.955" ; cost["db.m2.xlarge"]="0.675" ; cost["db.m2.2xlarge"]="1.35" ; cost["db.m2.4xlarge"]="2.695" }
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#sets cost for region sa-east-1
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if ( currentregion == "sa-east-1" ) {
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cost["db.t1.micro"]="0.035" ; cost["db.m1.small"]="0.15" ; cost["db.m1.large"]="0.6" ; cost["db.m1.xlarge"]="1.2" ; cost["db.m2.xlarge"]="0.88" ; cost["db.m2.2xlarge"]="1.76" ; cost["db.m2.4xlarge"]="3.52" }
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if ( runnumber == 0 ) {
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printf ("%s %s %s %s %s %s %s %s %s\n", "DBInstanceId", "Class", "Storage", "Status", "SecurityGroup" , "EndpointAddress", "MultiAZ", "Region", "InstanceCost" )
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}
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}
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/^DBINSTANCE/ {
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if ( dbinstancecount >= 1 ) {
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if ( multiaz == "y" ) {
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multiazmultiple=2
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} else {
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multiazmultiple=1 ;
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}
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#prints previous instance
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printf ("%s %s %s %s %s %s %s %s %s\n", dbinstanceid, class, storage, status, secgroup, endpointaddress, multiaz, currentregion, cost[class]*multiple*multiazmultiple )
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}
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dbinstancecount++
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#loads current instance
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dbinstanceid=$2 ; class=$4 ; storage=$6 ; status=$8 ; secgroup="Null" ; endpointaddress=$9 ; multiaz=$23
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}
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#gets security group of instance
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/^SECGROUP/ {
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if ( $1 == "SECGROUP" ) secgroup=$2
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}
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#prints out last instance
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END { if ( dbinstanceid != "" ) {
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if ( multiaz == "y" ) {
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multiazmultiple=2;
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} else {
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multiazmultiple=1;
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}
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printf ("%s %s %s %s %s %s %s %s %s\n", dbinstanceid, class, storage, status, secgroup, endpointaddress, multiaz, currentregion, cost[class]*multiple*multiazmultiple ) }
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}
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'
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runnumber=$((runnumber+1))
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done
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