Merge pull request #2 from theonestack/cfhighlander_syntax

Cfhighlander syntax, readme, travis build

.travis.yml

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+language: ruby
+rvm:
+  - 2.3
+script:
+  - gem install cfhighlander --prerelease
+  - if [ "${TRAVIS_PULL_REQUEST}" != "false" ]; then cfhighlander cfcompile ; else cfhighlander cfcompile --validate; fi

README.md

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+![build-status](https://travis-ci.com/theonestack/hl-component-bastion.svg?branch=master)
+
+### Cfhighlander bastion component
+
+```bash
+
+# install highlander gem
+$ gem install cfhighlander 
+
+# build and validate standalone component
+$ cfhighlander cfcompile --validate bastion
+
+```
+
+### Parameters
+
+TBD
+
+### Configuration options
+
+TBD
+
+### Outputs
+
+TBD

bastion.cfhighlander.rb

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+CfhighlanderTemplate do
+  DependsOn '[email protected]'
+  Parameters do
+    ComponentParam 'EnvironmentName', 'dev', isGlobal: true
+    ComponentParam 'EnvironmentType', 'development', isGlobal: true
+    ComponentParam 'Ami', type: 'AWS::EC2::Image::Id'
+    MappingParam('InstanceType') do
+      map 'EnvironmentType'
+      attribute 'BastionInstanceType'
+    end
+    MappingParam('KeyName') do
+      map 'AccountId'
+      attribute 'KeyName'
+    end
+    MappingParam('DnsDomain') do
+      map 'AccountId'
+      attribute 'DnsDomain'
+    end
+
+    maximum_availability_zones.times do |az|
+      ComponentParam "SubnetPublic#{az}"
+    end
+
+    ComponentParam 'VPCId', type: 'AWS::EC2::VPC::Id'
+    ComponentParam 'SecurityGroupDev', type: 'AWS::EC2::SecurityGroup::Id'
+    ComponentParam 'SecurityGroupOps', type: 'AWS::EC2::SecurityGroup::Id'
+  end
+end