now able to use option for credential file (https://github.com/colinbjohnson/aws-missing-tools/issues/2).
This commit is contained in:
Colin Johnson
parent
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commit
d1663f91e3
@ -1,26 +1,42 @@
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#!/bin/bash
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#set EC2CC_RB_APPLICATION prior to running
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EC2CC_RB_APPLICATION=/Temp/aws-missing-tools/ec2-cost-calculate-rb/ec2-cost-calculate.rb
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EC2CC_RB_APPLICATION=/Temp/ec2-cost-calculate.rb
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echo
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echo " -Test: Credentials File Checking"
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echo " -Test: Condition - Prerequisite File Does Not Exist"
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echo " -Test: Condition - Credential File Does Not Exist"
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AWS_CREDENTIAL_FILE_BAK=$AWS_CREDENTIAL_FILE #backup of credential location
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export AWS_CREDENTIAL_FILE=/var/tmp/nofile.txt
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$EC2CC_RB_APPLICATION
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echo "Exit Code: $?"
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echo " -Test Condition: Prerequisite Success"
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echo " -Test Condition: Credential File Success"
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export AWS_CREDENTIAL_FILE=$AWS_CREDENTIAL_FILE_BAK
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$EC2CC_RB_APPLICATION
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echo
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echo " -Test Condition: Credential File Custom Location Selected, File Does Not Exist"
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$EC2CC_RB_APPLICATION --awscredentialfile /var/tmp/nofile.txt
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echo "Exit Code: $?"
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echo " -Test Condition: Credential File Custom Location Selected, File Exists, Incorrent Format"
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tmpfile_bad_format=`mktemp /tmp/ec2cc.XXXXXX` || exit 1
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echo "No Contents" >> $tmpfile_bad_format
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$EC2CC_RB_APPLICATION --awscredentialfile $tmpfile_bad_format
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rm -f $tmpfile
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echo "Exit Code: $?"
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echo " -Test Condition: Credential File From Custom Location Selected, File Exists, Correct Format"
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tmpfile_good_format=`mktemp /tmp/ec2cc.XXXXXX` || exit 1
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cp $AWS_CREDENTIAL_FILE $tmpfile_good_format
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$EC2CC_RB_APPLICATION --awscredentialfile $tmpfile_good_format
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rm -f $tmpfile_good_format
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echo "Exit Code: $?"
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##### Simple Run Test
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echo " -Test: Simple Execution"
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$EC2CC_RB_APPLICATION
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echo "Exit Code: $?"
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##### Invalid Options Provided
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echo " -Test: Invalid Option Provided"
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$EC2CC_RB_APPLICATION --option
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echo "Exit Code: $?"
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##### Invalid Options Provided
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echo " -Test: Invalid Option Provided"
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$EC2CC_RB_APPLICATION --option invalid
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echo "Exit Code: $?"
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echo
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@ -2,7 +2,7 @@
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access_key = ""
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secret_key = ""
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#default options are given below - user input can override any one of these
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options = {:fileoutputlocation => "~/ec-cost-calculate-result.txt", :output => "screen",:seperator => ",",:region => "all",:period => "hour",:multiplier => 1,:status => :running }
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options = {:fileoutputlocation => "~/ec-cost-calculate-result.txt", :output => "screen",:seperator => ",",:region => "all",:period => "hour",:multiplier => 1,:status => :running, :awscredentialsfile => "", :awscredentialssource => "env", :user_selected_region => "all" }
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#ec2cc_resources holds resources needed by ec2_cost_calculate, such as the output file handle
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ec2cc_resources = {}
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#list of valid statuses for an instance - will be used to validate user input
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@ -62,34 +62,6 @@ end
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## Initialization of ec2-cost-calculate
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#sets program name
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program_name = File.basename($PROGRAM_NAME)
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#gets and creates the credentials required for access
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credentialfile = ENV["AWS_CREDENTIAL_FILE"]
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if credentialfile.nil? || File.exists?(credentialfile) == false
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$stderr.print "The environment variable AWS_CREDENTIAL_FILE must exist and point to a valid credential file in order for ", program_name, " to run. The AWS_CREDENTIAL_FILE must contain also contain the two lines below:\n AWSAccessKeyId=<your access key>\n AWSSecretKey=<your secret key>\nPlease correct this error and run again.\n"
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exit 64
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end
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File.open(credentialfile,"r").each do |line|
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#below: sets access_key equal to line read in from "AWS_CREDENTIAL_FILE" that starts with "AWSAccessKeyId=" and removes trailing character
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if line.start_with?("AWSAccessKeyId=")
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access_key = line.split("=")[1].chomp!
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end
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#below: sets secret_key equal to line read in from "AWS_CREDENTIAL_FILE" that starts with "AWSSecretKeyId=" and removes trailing character
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if line.start_with?("AWSSecretKey=")
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secret_key = line.split("=")[1].chomp!
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end
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end
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#gets and creates the price_table
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price_table = Net::HTTP.get('s3.amazonaws.com', '/colinjohnson-cloudavaildev/aws-ec2-cost-map.txt')
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#establishes an initial connection object to AWS
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ec2_interface = AWS::EC2.new( :access_key_id => access_key, :secret_access_key => secret_key)
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#creates a container (currently, an array) for all ec2 objects
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ec2_container = {};
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#creates a container (currently, an array) for all regions resources
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region_container = {};
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#regions_aws is a list of all current Amazon regions
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regions_aws_all = ec2_interface.regions.map
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#begin Options Parsing
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optparse = OptionParser.new do |opts|
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@ -124,17 +96,7 @@ optparse = OptionParser.new do |opts|
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#options processing for region
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opts.on('-r','--region REGION',"Region for which Instance Costs Should be Provided. Accepts values such as \"us-east-1\" or \"us-west-1.\" Default value is \"all\".") do |region_selected|
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region_selected.downcase!
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if region_selected == "all"
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$stderr.print "Region \"all\" has been selected.\n"
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else
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if regions_aws_all.detect {|region_evaluated| region_evaluated.name == region_selected }
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print "The region \"", region_selected, "\" has been selected.\n"
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options[:region] = region_selected
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else
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$stderr.print "You specified the region \"",region_selected,".\" You need to specify a valid region (example: \"us-east-1\") or region \"all\" for all regions.\n"
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exit 64
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end
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end
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options[:user_selected_region] = region_selected
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end
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#options processing for period
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opts.on('-p','--period PERIOD',"Period for Which Costs Should Be Calculated. Accepts values \"hour\", \"day\", \"week\", \"month\" or \"year\". Default value is \"hour\".") do |period|
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@ -167,9 +129,66 @@ optparse = OptionParser.new do |opts|
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exit 64
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end
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end
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#options processing for aws credential file input
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opts.on("-o","--output OUTPUT","Output method. Accepts values \"screen\" or \"file.\" Default value is \"screen\".") do |output|
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#forces option to lowercase - easier to evaluate variables when always lowercase
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output.downcase!
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if (output == "screen" || output == "file")
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options[:output] = output
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else
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$stderr.print "You must specifiy an output method such as \"screen\" or \"file\". You specified \"", output, ".\"\n"
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exit 64
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end
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end
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#options processing for aws credential file input
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opts.on("--awscredentialfile CREDENTIAILFILE","path to AWS credential file. This is required if the path to an AWS credential file is not provided by an environment variable.") do |awscredentialfile|
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options[:awscredentialfile] = awscredentialfile
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options[:awscredentialssource] = "file"
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end
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end
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optparse.parse!
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#case statement deterimnes the location where AWS credentials should be gotten. Defaults to "env" (environment) if set to "file" will read from a user provided file.
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case options[:awscredentialssource]
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when "env"
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credentialfile = ENV["AWS_CREDENTIAL_FILE"]
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awscredentialsmissingtext = "The environment variable AWS_CREDENTIAL_FILE must exist and point to a valid credential file in order for ", "#{program_name}", " to run. The AWS_CREDENTIAL_FILE must contain also contain the two lines below:\n AWSAccessKeyId=<your access key>\n AWSSecretKey=<your secret key>\nPlease correct this error and run again.\n"
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when "file"
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credentialfile = options[:awscredentialfile]
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awscredentialsmissingtext = "The AWS Credential File you specified must exist for ", "#{program_name}", " to run. The specified file must contain also contain the two lines below:\n AWSAccessKeyId=<your access key>\n AWSSecretKey=<your secret key>\nPlease correct this error and run again.\n"
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else
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$stderr.print "A problem was encountered when attempting to set AWS Credentials."
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exit 64;
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end
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if credentialfile.nil? || File.exists?(credentialfile) == false
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$stderr.print awscredentialsmissingtext
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exit 64;
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end
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File.open(credentialfile,"r").each do |line|
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#below: sets access_key equal to line read in from "AWS_CREDENTIAL_FILE" that starts with "AWSAccessKeyId=" and removes trailing character
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if line.start_with?("AWSAccessKeyId=")
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access_key = line.split("=")[1].chomp!
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end
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#below: sets secret_key equal to line read in from "AWS_CREDENTIAL_FILE" that starts with "AWSSecretKeyId=" and removes trailing character
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if line.start_with?("AWSSecretKey=")
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secret_key = line.split("=")[1].chomp!
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end
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end
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#gets and creates the price_table
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price_table = Net::HTTP.get('s3.amazonaws.com', '/colinjohnson-cloudavaildev/aws-ec2-cost-map.txt')
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#establishes an initial connection object to AWS
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ec2_interface = AWS::EC2.new( :access_key_id => access_key, :secret_access_key => secret_key)
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#creates a container (currently, an array) for all ec2 objects
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ec2_container = {};
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#creates a container (currently, an array) for all regions resources
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region_container = {};
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#regions_aws is a list of all current Amazon regions
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regions_aws_all = ec2_interface.regions.map
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#file expansion and validation done outside of optparse
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#below performs expansion - ruby's File class does not support file expansion (for instance, ~/ec-cost-calculate-result.txt)
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if options[:output] == "file"
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@ -184,6 +203,19 @@ if options[:output] == "file"
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ec2cc_resources[:ec2_output_file_handle] = File.open(ec2cc_output_file_location,'a')
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end
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#region selection done outside of optparse
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if options[:user_selected_region] == "all"
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$stderr.print "Region \"all\" has been selected.\n"
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else
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if regions_aws_all.detect {|region_evaluated| region_evaluated.name == options[:user_selected_region] }
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$stderr.print "The region \"", options[:user_selected_region], "\" has been selected.\n"
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options[:region] = options[:user_selected_region]
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else
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$stderr.print "You specified the region \"",options[:user_selected_region],".\" You need to specify a valid region (example: \"us-east-1\") or region \"all\" for all regions.\n"
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exit 64
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end
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end
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##handle region selection - this should be improved to iterate through a list of regions
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if options[:region] == "all"
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#set regions_aws_select to all
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