{
    "AWSTemplateFormatVersion": "2010-09-09",
    "Description": "This template uses Amazon Cloudfront, Wowza Media Server on EC2 and an aiCache EC2 Instance to create a CloudFormation stack for HTTP streaming of your live event.",
    "Parameters": {
        "InstanceType": {
            "Type": "String",
            "Description": "The type of Amazon EC2 instance to launch for Wowza. Valid values are: m1.small, m1.medium, m1.large, m1.xlarge, m2.xlarge, m2.2xlarge, m2.4xlarge, c1.medium, c1.xlarge.",
            "Default": "m1.large",
            "AllowedValues": [
                "m1.small",
                "m1.medium",
                "m1.large",
                "m1.xlarge",
                "m2.xlarge",
                "m2.2xlarge",
                "m2.4xlarge",
                "c1.medium",
                "c1.xlarge"
            ],
            "ConstraintDescription": "must be a valid Amazon EC2 instance type."
        },
        "aiCacheInstanceType": {
            "Type": "String",
            "AllowedValues": [
                "m1.small",
                "m1.medium",
                "m1.large",
                "m1.xlarge",
                "m2.xlarge",
                "m2.2xlarge",
                "m2.4xlarge",
                "c1.medium",
                "c1.xlarge"
            ],
            "Description": "Type of EC2 instance to launch for aiCache - options in clude m1.large, m1.xlarge, m2.xlarge, m2.2xlarge, m2.4xlarge, and c1.xlarge",
            "Default": "m1.large",
            "ConstraintDescription": "must be a valid Amazon EC2 instance type."
        },
        "KeyPair": {
            "Type": "String",
            "Description": "The name of an Amazon EC2 key pair in the region where you are creating the CloudFormation stack."
        },
        "StartupPackageURL": {
            "Type": "String",
            "Description": "The startup package to use for the Wowza Media Server configuration. Default value is a CloudFront delivery startup package.",
            "Default": "https://s3.amazonaws.com/wowzamediasystems/com/wowza/startup/3.6.0/cloudfront.zip"
        },
        "WowzaLicenseKey": {
            "Type": "String",
            "Description": "The Wowza Media Server 3 license key(s) (pipe '|' separated if multiple keys such as Wowza Transcoder).",
            "MinLength": "0",
            "MaxLength": "200",
            "Default": ""
        },
        "ApplicationName": {
            "Type": "String",
            "Description": "The Wowza Media Server application name (no spaces allowed). If you are not using a custom application, do not change this value.",
            "Default": "livecf"
        },
        "StreamName": {
            "Type": "String",
            "Description": "The Wowza Media Server stream name (no spaces allowed). Default value is myStream.",
            "Default": "myStream"
        }
    },
    "Mappings": {
        "RegionMap": {
            "us-east-1": {
                "AMI": "ami-fd195494"
            },
            "us-west-1": {
                "AMI": "ami-72f2d837"
            },
            "us-west-2": {
                "AMI": "ami-18f26e28"
            },
            "eu-west-1": {
                "AMI": "ami-b7b0abc3"
            },
            "ap-southeast-1": {
                "AMI": "ami-fa1d56a8"
            },
            "ap-northeast-1": {
                "AMI": "ami-75900274"
            },
            "sa-east-1": {
                "AMI": "ami-e904a0f4"
            }
        },
        "aiCacheRegionMap": {
            "us-east-1": {
                "AMI": "ami-9b35e0f2"
            },
            "ap-southeast-1": {
                "AMI": "ami-ccfdb89e"
            },
            "ap-northeast-1": {
                "AMI": "ami-ecb204ed"
            },
            "us-west-1": {
                "AMI": "ami-dfd08e9a"
            },
            "eu-west-1": {
                "AMI": "ami-1d88b769"
            }
        }
    },
    "Resources": {
        "LiveStreamingDistribution": {
            "Type": "AWS::CloudFront::Distribution",
            "Properties": {
                "DistributionConfig": {
                    "CustomOrigin": {
                        "DNSName": {
                            "Fn::GetAtt": [
                                "aiCacheEc2Instance",
                                "PublicDnsName"
                            ]
                        },
                        "HTTPPort": "80",
                        "HTTPSPort": "443",
                        "OriginProtocolPolicy": "http-only"
                    },
                    "Enabled": "true",
                    "Comment": "Live HTTP Streaming"
                }
            }
        },
        "WowzaServerOriginServer": {
            "Type": "AWS::EC2::Instance",
            "Properties": {
                "SecurityGroups": [
                    {
                        "Ref": "WowzaServerOriginServerSecurityGroup"
                    }
                ],
                "KeyName": {
                    "Ref": "KeyPair"
                },
                "ImageId": {
                    "Fn::FindInMap": [
                        "RegionMap",
                        {
                            "Ref": "AWS::Region"
                        },
                        "AMI"
                    ]
                },
                "InstanceType": {
                    "Ref": "InstanceType"
                },
                "UserData": {
                    "Fn::Base64": {
                        "Fn::Join": [
                            "",
                            [
                                "WZA_startupPackageURL=",
                                {
                                    "Ref": "StartupPackageURL"
                                },
                                ",",
                                "WZA_wowzaServerLicenseKey=",
                                {
                                    "Ref": "WowzaLicenseKey"
                                }
                            ]
                        ]
                    }
                }
            }
        },
        "aiCacheEc2Instance": {
            "Type": "AWS::EC2::Instance",
            "Properties": {
                "SecurityGroups": [
                    {
                        "Ref": "aiCacheInstanceSecurityGroup"
                    }
                ],
                "KeyName": {
                    "Ref": "KeyPair"
                },
                "ImageId": {
                    "Fn::FindInMap": [
                        "aiCacheRegionMap",
                        {
                            "Ref": "AWS::Region"
                        },
                        "AMI"
                    ]
                },
                "InstanceType": {
                    "Ref": "aiCacheInstanceType"
                },
                "UserData": {
                    "Fn::Base64": {
                        "Fn::Join": [
                            "",
                            [
                                "#!/bin/bash",
                                "\n",
                                "cp /root/aicache.cfg.tpl /root/aicache.cfg",
                                "\n",
                                "sed -i 's/hostname example.com/hostname ./' /root/aicache.cfg",
                                "\n",
                                "sed -i 's/cname EC2_PUBLIC_HOSTNAME/wildcard ./' /root/aicache.cfg",
                                "\n",
                                "sed -i 's/^healthcheck/#healthcheck/' /root/aicache.cfg",
                                "\n",
                                "sed -i 's/^pattern/#pattern/' /root/aicache.cfg",
                                "\n",
                                "sed -i 's/origin 74.125.67.100/origin ",
                                {
                                    "Fn::GetAtt": [
                                        "WowzaServerOriginServer",
                                        "PublicIp"
                                    ]
                                },
                                "/' /root/aicache.cfg",
                                "\n"
                            ]
                        ]
                    }
                }
            }
        },
        "aiCacheInstanceSecurityGroup": {
            "Type": "AWS::EC2::SecurityGroup",
            "Properties": {
                "GroupDescription": "Security group for aiCache used for live strea ming using Amazon CloudFront",
                "SecurityGroupIngress": [
                    {
                        "IpProtocol": "tcp",
                        "FromPort": "80",
                        "ToPort": "80",
                        "CidrIp": "0.0.0.0/0"
                    },
                    {
                        "IpProtocol": "tcp",
                        "FromPort": "22",
                        "ToPort": "22",
                        "CidrIp": "0.0.0.0/0"
                    }
                ]
            }
        },
        "WowzaServerOriginServerSecurityGroup": {
            "Type": "AWS::EC2::SecurityGroup",
            "Properties": {
                "GroupDescription": "Security group for live HTTP streaming using Amazon CloudFront",
                "SecurityGroupIngress": [
                    {
                        "IpProtocol": "tcp",
                        "FromPort": "21",
                        "ToPort": "21",
                        "CidrIp": "0.0.0.0/0"
                    },
                    {
                        "IpProtocol": "tcp",
                        "FromPort": "22",
                        "ToPort": "22",
                        "CidrIp": "0.0.0.0/0"
                    },
                    {
                        "IpProtocol": "tcp",
                        "FromPort": "80",
                        "ToPort": "80",
                        "CidrIp": "0.0.0.0/0"
                    },
                    {
                        "IpProtocol": "tcp",
                        "FromPort": "443",
                        "ToPort": "443",
                        "CidrIp": "0.0.0.0/0"
                    },
                    {
                        "IpProtocol": "tcp",
                        "FromPort": "554",
                        "ToPort": "554",
                        "CidrIp": "0.0.0.0/0"
                    },
                    {
                        "IpProtocol": "tcp",
                        "FromPort": "1935",
                        "ToPort": "1935",
                        "CidrIp": "0.0.0.0/0"
                    },
                    {
                        "IpProtocol": "tcp",
                        "FromPort": "8084",
                        "ToPort": "8086",
                        "CidrIp": "0.0.0.0/0"
                    },
                    {
                        "IpProtocol": "udp",
                        "FromPort": "0",
                        "ToPort": "65535",
                        "CidrIp": "0.0.0.0/0"
                    }
                ]
            }
        }
    },
    "Outputs": {
        "PublishRTMPURL": {
            "Value": {
                "Fn::Join": [
                    "",
                    [
                        "rtmp://",
                        {
                            "Fn::GetAtt": [
                                "WowzaServerOriginServer",
                                "PublicDnsName"
                            ]
                        },
                        "/",
                        {
                            "Ref": "ApplicationName"
                        }
                    ]
                ]
            },
            "Description": "RTMP Publish URL"
        },
        "PublishStreamName": {
            "Value": {
                "Ref": "StreamName"
            },
            "Description": "RTMP Publish Stream Name"
        },
        "PlaybackHLSURL": {
            "Value": {
                "Fn::Join": [
                    "",
                    [
                        "http://",
                        {
                            "Fn::GetAtt": [
                                "LiveStreamingDistribution",
                                "DomainName"
                            ]
                        },
                        "/",
                        {
                            "Ref": "ApplicationName"
                        },
                        "/",
                        {
                            "Ref": "StreamName"
                        },
                        "/playlist.m3u8"
                    ]
                ]
            },
            "Description": "Apple HLS Playback URL"
        },
        "PlaybackHDSURL": {
            "Value": {
                "Fn::Join": [
                    "",
                    [
                        "http://",
                        {
                            "Fn::GetAtt": [
                                "LiveStreamingDistribution",
                                "DomainName"
                            ]
                        },
                        "/",
                        {
                            "Ref": "ApplicationName"
                        },
                        "/",
                        {
                            "Ref": "StreamName"
                        },
                        "/manifest.f4m"
                    ]
                ]
            },
            "Description": "Adobe HDS Playback URL"
        },
        "PlaybackSmoothURL": {
            "Value": {
                "Fn::Join": [
                    "",
                    [
                        "http://",
                        {
                            "Fn::GetAtt": [
                                "LiveStreamingDistribution",
                                "DomainName"
                            ]
                        },
                        "/",
                        {
                            "Ref": "ApplicationName"
                        },
                        "/",
                        {
                            "Ref": "StreamName"
                        },
                        "/Manifest"
                    ]
                ]
            },
            "Description": "Microsoft Smooth Streaming Playback URL"
        },
        "CloudFrontDomainName": {
            "Value": {
                "Fn::GetAtt": [
                    "LiveStreamingDistribution",
                    "DomainName"
                ]
            },
            "Description": "CloudFront Domain Name"
        },
        "WowzaServerDomainName": {
            "Value": {
                "Fn::GetAtt": [
                    "WowzaServerOriginServer",
                    "PublicDnsName"
                ]
            },
            "Description": "Wowza Media Server Domain Name"
        },
        "aiCacheServerDomainName": {
            "Value": {
                "Fn::GetAtt": [
                    "aiCacheEc2Instance",
                    "PublicDnsName"
                ]
            },
            "Description": "aiCache Server Domain Name"
        },
        "WowzaServerStreamManagerURL": {
            "Value": {
                "Fn::Join": [
                    "",
                    [
                        "http://",
                        {
                            "Fn::GetAtt": [
                                "WowzaServerOriginServer",
                                "PublicDnsName"
                            ]
                        },
                        ":8086/streammanager"
                    ]
                ]
            },
            "Description": "Wowza Media Server Stream Manager URL"
        },
        "WowzaServerStreamFTPURL": {
            "Value": {
                "Fn::Join": [
                    "",
                    [
                        "ftp://",
                        {
                            "Fn::GetAtt": [
                                "WowzaServerOriginServer",
                                "PublicDnsName"
                            ]
                        }
                    ]
                ]
            },
            "Description": "Wowza Media Server FTP Server URL"
        },
        "WowzaServerLoginInfo": {
            "Value": {
                "Fn::Join": [
                    "",
                    [
                        "username=wowza, password=",
                        {
                            "Ref": "WowzaServerOriginServer"
                        }
                    ]
                ]
            },
            "Description": "Wowza Media Server login information for Stream Manager and FTP access"
        }
    }
}