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Validation_child-EC2_el7.tmplt.json
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Validation_child-EC2_el7.tmplt.json
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{
"AWSTemplateFormatVersion": "2010-09-09",
"Description": "This template deploys an instance suitable for running AMI validation-tests against.",
"Parameters": {
"AmiId": {
"Description": "ID of the AMI to launch",
"ConstraintDescription": "All ID's must start 'ami-' followed by an 8- to 17-character alphanumeric string.",
"Type": "String",
"AllowedPattern": "^ami-[0-9a-z]{8}$|^ami-[0-9a-z]{17}$"
},
"AmiDistro": {
"Description": "Linux distro of the AMI",
"Type": "String",
"Default": "CentOS",
"AllowedValues": [
"CentOS",
"RedHat"
]
},
"CfnEndpointUrl": {
"Description": "URL to the CloudFormation Endpoint. e.g. https://cloudformation.us-east-1.amazonaws.com",
"Type": "String",
"Default": "",
"AllowedPattern": "^$|^http://.*$|^https://.*$"
},
"InstanceRole" : {
"Description" : "IAM instance role to apply to the instance(s)",
"Type" : "String",
"Default" : ""
},
"BucketName" : {
"Description" : "Name of the S3 bucket hosting the audit-artifacts.",
"Type" : "String",
"Default" : ""
},
"KeyPairName": {
"Description": "Public/private key pairs allow you to securely connect to your instance after it launches",
"Type": "AWS::EC2::KeyPair::KeyName"
},
"InstanceType": {
"Description": "Amazon EC2 instance type",
"ConstraintDescription": "must be a valid EC2 instance type.",
"Type": "String",
"Default": "m4.large",
"AllowedValues": [
"t2.micro",
"m4.large",
"m4.xlarge",
"m4.2xlarge",
"c3.large",
"c3.xlarge",
"c3.2xlarge",
"c3.4xlarge",
"c3.8xlarge",
"c4.large",
"c4.xlarge",
"c4.2xlarge",
"c4.4xlarge",
"c4.8xlarge",
"d2.large",
"d2.2xlarge",
"d2.4xlarge",
"d2.8xlarge",
"i2.xlarge",
"i2.2xlarge",
"i2.4xlarge",
"i2.8xlarge",
"r3.large",
"r3.xlarge",
"r3.2xlarge",
"r3.4xlarge",
"r3.8xlarge"
]
},
"NoPublicIp": {
"Description": "Controls whether to assign the instance a public IP. Recommended to leave at \"true\" _unless_ launching in a public subnet",
"Type": "String",
"Default": "false",
"AllowedValues": [
"false",
"true"
]
},
"NoReboot": {
"Description": "Controls whether to reboot the instance as the last step of cfn-init execution",
"Type": "String",
"Default": "true",
"AllowedValues": [
"false",
"true"
]
},
"SecurityGroupIds": {
"Description": "List of security groups to apply to the instance(s)",
"Type": "List<AWS::EC2::SecurityGroup::Id>"
},
"SubnetIds": {
"Type": "AWS::EC2::Subnet::Id",
"Description": "Subnet to associate to the Instance"
},
"RootEBSsize": {
"Description": "Select size of root EBS volume (in GiB)",
"ConstraintDescription": "A numeric value > '20' and < '50'.",
"Type": "Number",
"Default": "25",
"MinValue": "21",
"MaxValue": "49"
}
},
"Conditions": {
"AssignInstanceRole" :
{
"Fn::Not" : [
{
"Fn::Equals" : [
{
"Ref" : "InstanceRole"
},
""
]
}
]
},
"UseCfnUrl" : {
"Fn::Not": [
{
"Fn::Equals": [
{
"Ref": "CfnEndpointUrl"
},
""
]
}
]
},
"Reboot": {
"Fn::Not": [
{
"Fn::Equals": [
{
"Ref": "NoReboot"
},
"true"
]
}
]
},
"AssignPublicIp": {
"Fn::Not": [
{
"Fn::Equals": [
{
"Ref": "NoPublicIp"
},
"true"
]
}
]
}
},
"Mappings": {
"Distro2RootDevice": {
"RedHat": {
"DeviceName": "sda1"
},
"CentOS": {
"DeviceName": "sda1"
}
}
},
"Metadata": {
"AWS::CloudFormation::Interface": {
"ParameterGroups": [
{
"Label": {
"default": "EC2 Instance Configuration"
},
"Parameters": [
"AmiId",
"AmiDistro",
"InstanceType",
"InstanceRole",
"KeyPairName",
"NoReboot",
"RootEBSsize"
]
},
{
"Label": {
"default": "Network Configuration"
},
"Parameters": [
"SubnetIds",
"SecurityGroupIds",
"NoPublicIp"
]
}
]
}
},
"Resources": {
"ValidationInstance": {
"Type": "AWS::EC2::Instance",
"Metadata" : {
"AWS::CloudFormation::Init" : {
"config" : {
"files": {
"/etc/cfn/cfn-hup.conf" : {
"content" : {
"Fn::Join" : ["", [
"[main]\n",
"stack=", { "Ref" : "AWS::StackId" }, "\n",
"region=", { "Ref" : "AWS::Region" }, "\n",
{
"Fn::If" : [
"AssignInstanceRole", {
"Fn::Join" : [ "", [
"role=",
{ "Ref" : "InstanceRole" },
"\n"
]]
},
""
]
},
{
"Fn::If" : [
"AssignInstanceRole", {
"Fn::Join" : [ "", [
"url=",
{ "Ref" : "CfnEndpointUrl" },
"\n"
]]
},
""
]
}
]]
},
"mode" : "000400",
"owner" : "root",
"group" : "root"
},
"/etc/cfn/hooks.d/cfn-auto-reloader.conf" : {
"content" : {
"Fn::Join" : ["", [
"[cfn-auto-reloader-hook]\n",
"triggers=post.update\n",
"path=Resources.ValidationInstance.Metadata\n",
"action=/opt/aws/bin/cfn-init -v -c update",
" --stack ", { "Ref" : "AWS::StackName" },
" --resource ValidationInstance",
{
"Fn::If" : [
"AssignInstanceRole",
{
"Fn::Join" : [ "", [
" --role ",
{ "Ref" : "InstanceRole" }
]]
},
""
]
},
{
"Fn::If" : [
"UseCfnUrl",
{
"Fn::Join" : [ "", [
" --url ",
{ "Ref" : "CfnEndpointUrl" }
]]
},
""
]
}
]]
},
"mode" : "000400",
"owner" : "root",
"group" : "root"
}
},
"services" : {
"sysvinit" : {
"cfn-hup" : {
"enabled" : "true",
"ensureRunning" : "true",
"files" : [
"/etc/cfn/cfn-hup.conf",
"/etc/cfn/hooks.d/cfn-auto-reloader.conf"
]
}
}
}
}
}
},
"CreationPolicy": {
"ResourceSignal": {
"Count": "1",
"Timeout": "PT30M"
}
},
"Properties": {
"ImageId": {
"Ref": "AmiId"
},
"InstanceType": {
"Ref": "InstanceType"
},
"IamInstanceProfile" : {
"Fn::If" : [
"AssignInstanceRole",
{ "Ref" : "InstanceRole" },
{ "Ref" : "AWS::NoValue" }
]
},
"Tags": [
{
"Key": "Name",
"Value": {
"Fn::Join": [
"",
[
{
"Ref": "AWS::StackName"
}
]
]
}
}
],
"BlockDeviceMappings": [
{
"DeviceName": {
"Fn::Join": [
"",
[
"/dev/",
{
"Fn::FindInMap": [
"Distro2RootDevice",
{
"Ref": "AmiDistro"
},
"DeviceName"
]
}
]
]
},
"Ebs": {
"VolumeType": "gp2",
"VolumeSize" : {
"Ref": "RootEBSsize"
},
"DeleteOnTermination": "true"
}
}
],
"KeyName": {
"Ref": "KeyPairName"
},
"NetworkInterfaces": [
{
"DeviceIndex": "0",
"AssociatePublicIpAddress": {
"Fn::If": [
"AssignPublicIp",
"true",
"false"
]
},
"GroupSet": {
"Ref": "SecurityGroupIds"
},
"SubnetId": {
"Ref": "SubnetIds"
}
}
],
"UserData": {
"Fn::Base64": {
"Fn::Join": [
"",
[
"#cloud-config\n",
"\n",
"users:\n",
" - default\n",
" - name: testusr0\n",
" ssh-authorized-keys:\n",
" - ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAAAgQDbwH7xQhVtZTU2JC8k7WqV1JXxCDlHpVOShgFVJkSMkWb1WFX4601LWCPBTlpZnyJBmfEurFA/GVckiXWJM4RvtBDBILxONrqic8bSIn4mo0L+rKYmwxuw6u31e0y23JSGQOCOZOoUOgA1BKw+99FNHbFkLI2+9qJlk+JsEcf5NQ== testusr0\n",
" groups: wheel\n",
" lock-passwd: True\n",
" selinux-user: unconfined_u\n",
" - name: testusr0\n",
" ssh-authorized-keys:\n",
" - ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAAAgQC/7f14gKpcqYVW0FNe7nlJ+kFV2gtZpznjGEN9+2CiWaQrKBcUUhTuxBJw5Clwa1jG5rvOycyE7QNM2nPHExhWfKsqUWK3V1M+WqMZ0oA/mOuUkyLv7S7Ivzq2G0P9LSYBa4GSNZis+ksJY5ZIAGSbQrN4tMu1ak9v658I7M2u0Q== testusr1\n",
" groups: wheel\n",
" lock-passwd: True\n",
" selinux-user: unconfined_u\n",
"package_upgrade: True\n",
"write_files:\n",
" - path: /var/tmp/fixup.sh\n",
" content: |-\n",
" #!/bin/sh\n",
" AMIID=$(curl http://169.254.169.254/latest/meta-data/ami-id/)\n",
" AMIDATE=$(rpm -q --qf '%{installtime:date}' basesystem | ",
"awk '{printf(\"%s%s%s\\n\",$4,$3,$2)}')\n",
" \n",
" for DEV in $(lsblk -ln | awk '/ part /{ print $1}')\n",
" do\n",
" pvresize /dev/${DEV}\n",
" done\n",
" \n",
" sed -i '/fixup\\.sh/d' /etc/rc.d/rc.local\n",
" chmod 644 /etc/rc.d/rc.local\n",
" \n",
" rm $0\n",
" \n",
" (\n",
" printf \"Check 10Gbps support: \"\n",
" if [[ $(ethtool eth0 | awk '/Speed:/{ print $2}') = \"10000Mb/s\" ]]\n",
" then\n",
" echo \"Found 10Gbps support\"\n",
" else\n",
" echo \"10Gbps support not found\"\n",
" RETVAL=1\n",
" fi\n",
" echo \"==========\"\n",
" \n",
" printf \"Check EBS-resizing: \"\n",
" if [[ $(vgs --noheadings -o pv_free | sed 's/ //g') = 0 ]]\n",
" then\n",
" echo \"Root EBS was not resized\"\n",
" RETVAL=1\n",
" else\n",
" echo \"Root EBS was resized\"\n",
" fi\n",
" echo \"==========\"\n",
" \n",
" echo \"Check for AWS packages:\"\n",
" rpm -qa | grep -E \"(aws|ec2)\" | sed 's/^/ /'\n",
" echo \"==========\"\n",
" \n",
" echo \"Check AWS CLI version:\"\n",
" aws --version 2>&1 | sed 's/^/ /'\n",
" echo \"==========\"\n",
" \n",
" echo \"Check RPM repo-access:\"\n",
" yum repolist all 2> /dev/null | sed -n '/^repo id/,$p'\n",
" echo \"==========\"\n",
" \n",
" echo \"Active swap device(s): \"\n",
" sed '1d' /proc/swaps | awk '/partition/{print $1}' | sed 's/^/ /'\n",
" echo \"==========\"\n",
" grep -q '/boot' /proc/mounts && ",
"echo \"Mounted partition for /boot was found\" || ",
"echo \"Mounted partition for /boot is missing\"\n",
" echo \"==========\"\n",
" grep -q '/tmp.*tmpfs' /proc/mounts && ",
"echo \"/tmp is mounted from tmpfs\" || ",
"echo \"/tmp is mounted not from tmpfs\"\n",
" echo \"==========\"\n",
" echo \"Check booted kernel: \"\n",
" rpm -qi kernel-$(uname -r) | sed 's/^/ /' \n",
" echo \"==========\"\n",
" printf \"Check SELinux mode: \"\n",
" getenforce\n",
" echo \"==========\"\n",
" printf \"Check FIPS mode: \"\n",
" if [[ $(grep 0 /proc/sys/crypto/fips_enabled)$?",
" -eq 1 ]]\n",
" then\n",
" echo \"Enabled\"\n",
" else\n",
" echo \"Disabled\"\n",
" fi\n",
" echo \"==========\"\n",
" \n",
" printf \"Check Xen root-dev mapping: \"\n",
" if [[ $(grep -q xen_blk /boot/grub2/grub.cfg)$?",
" -eq 0 ]]\n",
" then\n",
" echo \"enabled\"\n",
" else\n",
" echo \"not enabled\"\n",
" RETVAL=1\n",
" fi\n",
" ) > /tmp/audit_${AMIID}-${AMIDATE}.txt\n",
" aws s3 cp /tmp/audit_${AMIID}-${AMIDATE}.txt ",
"s3://",
{ "Ref" : "BucketName" },
"/artifacts/validation/\n",
" \n",
" # Signal Cfn that we're good\n",
" /opt/aws/bin/cfn-signal -e 0 --stack ",
{ "Ref" : "AWS::StackName" },
" --resource ValidationInstance --url ",
{ "Ref" : "CfnEndpointUrl" },
"\n",
" owner: root:root\n",
" permissions: '0755'\n",
"runcmd:\n",
" - |\n",
" \n",
" # Error-handler function\n",
" function error_exit {\n",
" /opt/aws/bin/cfn-signal -e 1 --stack ",
{ "Ref" : "AWS::StackName" },
" --resource ValidationInstance\n",
" exit 1\n",
" }\n",
" \n",
" # Install missing RPMs\n",
" yum --enablerepo=*epel install -y pystache ",
"python2-pip || error_exit 'Failed to install ",
"dependent RPMs'\n",
" \n",
" # Initialize the Cfn subsystems\n",
" /opt/aws/bin/cfn-init -s ",
{ "Ref" : "AWS::StackName" },
" -r ValidationInstance ",
" --region ",
{ "Ref" : "AWS::Region" },
" && echo 'Successfully ran cfn-init.'",
" || error_exit 'Failed to run cfn-init.' > /dev/stderr\n",
" \n",
" # Disk re-size tasks\n",
" parted -s /dev/xvda rm 2 mkpart primary ext4 500m ",
"100%\n",
" partprobe\n",
" \n",
" # Run-once setup\n",
" echo /var/tmp/fixup.sh >> /etc/rc.d/rc.local || ",
"error_exit 'could not add fixup.sh to the ",
"system run-once script.'\n",
" chmod 755 /etc/rc.d/rc.local || error_exit '",
"failed to set mode on the rc.local file.'\n",
" init 6\n"
]
]
}
}
}
}
}
}