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EBS AMI restructure #1

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EBS AMI restructure #1

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3cfb02a
Loosened aws dependency.
sanjayginde Jan 20, 2015
af422f5
Updated EB Support directory in bin files.
sanjayginde Jan 20, 2015
a382e02
Updated context variable setup in scripts.
sanjayginde Jan 20, 2015
3605f47
Updated cron setup.
sanjayginde Jan 28, 2015
a6a0854
More cron setup updates.
sanjayginde Jan 28, 2015
098e485
Cron setup updates.
sanjayginde Jan 29, 2015
b151534
Updated cron setup to support environment specific tasks.
sanjayginde Mar 26, 2015
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26 changes: 6 additions & 20 deletions bin/create_cron_leader
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Original file line number Diff line number Diff line change
Expand Up @@ -6,14 +6,14 @@ gem 'aws-sdk'
require 'aws-sdk'
require 'erb'

EB_CONFIG_APP_SUPPORT = ENV['EB_CONFIG_APP_SUPPORT']
EB_CONFIG_APP_SUPPORT = "/opt/elasticbeanstalk/support"
ENVIRONMENT_NAME_FILE = File.join(EB_CONFIG_APP_SUPPORT,'env_name')

# Options Parsing
options = {}
optparse = OptionParser.new do |opts|
opts.banner = "Usage: #{File.basename($0)} [options]"

# Define the options, and what they do
options[:no_update] = false
opts.on( '--no-update', 'Do not update crontab after making leader' ) do
Expand All @@ -29,27 +29,13 @@ optparse = OptionParser.new do |opts|
end
optparse.parse!

instance_id = if File.exists?(File.join(EB_CONFIG_APP_SUPPORT,'instance_id'))
File.read(File.join(EB_CONFIG_APP_SUPPORT,'instance_id'))
else
if id = `/opt/aws/bin/ec2-metadata -i | awk '{print $2}'`.strip
File.open(File.join(EB_CONFIG_APP_SUPPORT,'instance_id'), 'w') {|f| f.write(id) }
id
end
end
instance_id = `/opt/aws/bin/ec2-metadata -i | awk '{print $2}'`.strip
availability_zone = `/opt/aws/bin/ec2-metadata -z | awk '{print $2}'`.strip
region = availability_zone.slice(0..availability_zone.length-2)

AWS.config({:credential_provider => AWS::Core::CredentialProviders::EC2Provider.new,:region => region})
ec2 = AWS::EC2.new

environment_name = if File.exists?(ENVIRONMENT_NAME_FILE)
File.read(ENVIRONMENT_NAME_FILE)
else
env_name = ec2.instances[instance_id].tags["elasticbeanstalk:environment-name"]
File.open(ENVIRONMENT_NAME_FILE, 'w') {|f| f.write(env_name) }
env_name
end
environment_name = ec2.instances[instance_id].tags["elasticbeanstalk:environment-name"]

leader_instances = ec2.instances.to_a.inject([]) do |m, i|
m << i.id if i.tags["elasticbeanstalk:environment-name"] == environment_name &&
Expand All @@ -63,5 +49,5 @@ if leader_instances.count < 1
end

unless options[:no_update]
`/usr/local/bin/bundle exec setup_cron`
end
`./bin/setup_cron`
end
26 changes: 7 additions & 19 deletions bin/ensure_one_cron_leader
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Expand Up @@ -5,29 +5,17 @@ gem 'aws-sdk'
require 'aws-sdk'
require 'erb'

EB_CONFIG_APP_SUPPORT = ENV['EB_CONFIG_APP_SUPPORT']
EB_CONFIG_APP_SUPPORT = "/opt/elasticbeanstalk/support"
ENVIRONMENT_NAME_FILE = File.join(EB_CONFIG_APP_SUPPORT,'env_name')
instance_id = if File.exists?(File.join(EB_CONFIG_APP_SUPPORT,'instance_id'))
File.read(File.join(EB_CONFIG_APP_SUPPORT,'instance_id'))
else
if id = `/opt/aws/bin/ec2-metadata -i | awk '{print $2}'`.strip
File.open(File.join(EB_CONFIG_APP_SUPPORT,'instance_id'), 'w') {|f| f.write(id) }
id
end
end

instance_id = `/opt/aws/bin/ec2-metadata -i | awk '{print $2}'`.strip
availability_zone = `/opt/aws/bin/ec2-metadata -z | awk '{print $2}'`.strip
region = availability_zone.slice(0..availability_zone.length-2)
region = availability_zone.slice(0..availability_zone.length-2)

AWS.config({:credential_provider => AWS::Core::CredentialProviders::EC2Provider.new,:region => region})
ec2 = AWS::EC2.new
environment_name = ec2.instances[instance_id].tags["elasticbeanstalk:environment-name"]

environment_name = if File.exists?(ENVIRONMENT_NAME_FILE)
File.read(ENVIRONMENT_NAME_FILE)
else
env_name = ec2.instances[instance_id].tags["elasticbeanstalk:environment-name"]
File.open(ENVIRONMENT_NAME_FILE, 'w') {|f| f.write(env_name) }
env_name
end

leader_instances = ec2.instances.to_a.inject([]) do |m, i|
m << i.id if i.tags["elasticbeanstalk:environment-name"] == environment_name &&
Expand All @@ -37,7 +25,7 @@ leader_instances = ec2.instances.to_a.inject([]) do |m, i|
end

if leader_instances.count < 1
`/usr/local/bin/bundle exec create_cron_leader`
`./bin/create_cron_leader`
elsif leader_instances.count > 1 && leader_instances.include?(instance_id)
`/usr/local/bin/bundle exec create_cron_leader`
`./bin/create_cron_leader`
end
24 changes: 5 additions & 19 deletions bin/remove_cron_leader
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Expand Up @@ -5,30 +5,16 @@ gem 'aws-sdk'
require 'aws-sdk'
require 'erb'

EB_CONFIG_APP_SUPPORT = ENV['EB_CONFIG_APP_SUPPORT']
EB_CONFIG_APP_SUPPORT = "/opt/elasticbeanstalk/support"
ENVIRONMENT_NAME_FILE = File.join(EB_CONFIG_APP_SUPPORT,'env_name')

instance_id = if File.exists?(File.join(EB_CONFIG_APP_SUPPORT,'instance_id'))
File.read(File.join(EB_CONFIG_APP_SUPPORT,'instance_id'))
else
if id = `/opt/aws/bin/ec2-metadata -i | awk '{print $2}'`.strip
File.open(File.join(EB_CONFIG_APP_SUPPORT,'instance_id'), 'w') {|f| f.write(id) }
id
end
end
instance_id = `/opt/aws/bin/ec2-metadata -i | awk '{print $2}'`.strip
availability_zone = `/opt/aws/bin/ec2-metadata -z | awk '{print $2}'`.strip
region = availability_zone.slice(0..availability_zone.length-2)
region = availability_zone.slice(0..availability_zone.length-2)

AWS.config({:credential_provider => AWS::Core::CredentialProviders::EC2Provider.new,:region => region})
ec2 = AWS::EC2.new

environment_name = if File.exists?(ENVIRONMENT_NAME_FILE)
File.read(ENVIRONMENT_NAME_FILE)
else
env_name = ec2.instances[instance_id].tags["elasticbeanstalk:environment-name"]
File.open(ENVIRONMENT_NAME_FILE, 'w') {|f| f.write(env_name) }
env_name
end
environment_name = ec2.instances[instance_id].tags["elasticbeanstalk:environment-name"]

leader_instances = ec2.instances.to_a.inject([]) do |m, i|
m << i.id if i.tags["elasticbeanstalk:environment-name"] == environment_name &&
Expand All @@ -41,4 +27,4 @@ if leader_instances.count > 1 && leader_instances.include?(instance_id)
ec2.instances[instance_id].tags["leader"] = "false"
end

`/usr/local/bin/bundle exec setup_cron`
`./bin/setup_cron`
22 changes: 7 additions & 15 deletions bin/setup_cron
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Original file line number Diff line number Diff line change
Expand Up @@ -5,28 +5,20 @@ gem 'aws-sdk'
require 'aws-sdk'
require 'erb'

EB_CONFIG_APP_SUPPORT = ENV['EB_CONFIG_APP_SUPPORT']
EB_CONFIG_APP_SUPPORT = "/opt/elasticbeanstalk/support"
ENVIRONMENT = ENV["RACK_ENV"]
instance_id = if File.exists?(File.join(EB_CONFIG_APP_SUPPORT,'instance_id'))
File.read(File.join(EB_CONFIG_APP_SUPPORT,'instance_id'))
else
if id = `/opt/aws/bin/ec2-metadata -i | awk '{print $2}'`.strip
File.open(File.join(EB_CONFIG_APP_SUPPORT,'instance_id'), 'w') {|f| f.write(id) }
id
end
end

instance_id = `/opt/aws/bin/ec2-metadata -i | awk '{print $2}'`.strip
availability_zone = `/opt/aws/bin/ec2-metadata -z | awk '{print $2}'`.strip
region = availability_zone.slice(0..availability_zone.length-2)
region = availability_zone.slice(0..availability_zone.length-2)

AWS.config({:credential_provider => AWS::Core::CredentialProviders::EC2Provider.new,:region => region})
ec2 = AWS::EC2.new
environment_name = ec2.instances[instance_id].tags["elasticbeanstalk:environment-name"]

unless (`echo $PATH`).match("/usr/local/bin")
`export PATH=/usr/local/bin:$PATH`
end

if ec2.instances[instance_id].tags["leader"] == "true"
`/usr/local/bin/bundle exec whenever --roles leader --set 'environment=#{ENVIRONMENT}&path=/var/app/current' --update-crontab`
else
`/usr/local/bin/bundle exec whenever --roles non-leader --set 'environment=#{ENVIRONMENT}&path=/var/app/current' --update-crontab`
end
roles = ec2.instances[instance_id].tags["leader"].eql?("true") ? ["leader", ENVIRONMENT] : ["non-leader"]
`./bin/whenever --roles #{roles.join(',')} --set 'environment=#{ENVIRONMENT}&path=/var/app/current' --update-crontab --user root`
2 changes: 1 addition & 1 deletion whenever-elasticbeanstalk.gemspec
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Expand Up @@ -15,7 +15,7 @@ Gem::Specification.new do |gem|
gem.license = 'MIT'

gem.add_dependency('whenever','~> 0.9.2')
gem.add_dependency('aws-sdk', '~> 1.50.0')
gem.add_dependency('aws-sdk', '>= 1.50.0')

gem.files = `git ls-files`.split($/)
gem.executables = `git ls-files -- bin/*`.split("\n").map{ |f| File.basename(f) }
Expand Down