AWS - Find Blue-Green ASG

Octopus.AwsRunScript exported 2025-01-10 by mcasperson belongs to ‘AWS’ category.

Return the name of the online and offline blue and green Auto Scaling Groups

Parameters

When steps based on the template are included in a project’s deployment process, the parameters below can be set.

Inactive Color

AWSBlueGreen.InactiveColor =

The color of the inactive group (Green or Blue). This value is usually found from the “AWS - Find Blue-Green Target Group” step.

Green ASG Name

AWSBlueGreen.AWS.GreenASG =

The name of the green auto scaler group. See https://docs.aws.amazon.com/autoscaling/ec2/userguide/auto-scaling-groups.html for more details.

Blue ASG Name

AWSBlueGreen.AWS.BlueASG =

The name of the blue auto scaler group. See https://docs.aws.amazon.com/autoscaling/ec2/userguide/auto-scaling-groups.html for more details.

Region

AWSBlueGreen.AWS.Region =

The AWS region. See https://aws.amazon.com/about-aws/global-infrastructure/regions_az/ for more information.

Account

AWSBlueGreen.AWS.Account =

Script body

Steps based on this template will execute the following Bash script.

#!/bin/bash

INACTIVECOLOR=${1:-'#{AWSBlueGreen.InactiveColor | Trim}'}
GREENASG=${2:-'#{AWSBlueGreen.AWS.GreenASG | Trim}'}
BLUEASG=${3:-'#{AWSBlueGreen.AWS.BlueASG | Trim}'}

echoerror() { echo "$@" 1>&2; }

if [[ -z "${INACTIVECOLOR}" ]]
then
  echoerror "Please provide the color of the inactive Auto Scaling group (Green or Blue) as the first argument"
  exit 1
fi

if [[ -z "${GREENASG}" ]]
then
  echoerror "Please provide the name of the Green Auto Scaling group as the second argument"
  exit 1
fi

if [[ -z "${BLUEASG}" ]]
then
  echoerror "Please provide the name of the Blue Auto Scaling group as the third argument"
  exit 1
fi

if [[ "${INACTIVECOLOR^^}" == "GREEN" ]]
then
  set_octopusvariable "ActiveGroup" "${BLUEASG}"
  set_octopusvariable "InactiveGroup" "${GREENASG}"
  echo "Active group is Blue (${BLUEASG}), inactive group is Green (${GREENASG})"
else
  set_octopusvariable "ActiveGroup" "${GREENASG}"
    set_octopusvariable "InactiveGroup" "${BLUEASG}"
    echo "Active group is Green (${GREENASG}), inactive group is Blue (${BLUEASG})"
fi

Provided under the Apache License version 2.0.

Report an issue

To use this template in Octopus Deploy, copy the JSON below and paste it into the Library → Step templates → Import dialog.

{
  "Id": "6b72995e-500c-4b4b-9121-88f3a988ec71",
  "Name": "AWS - Find Blue-Green ASG",
  "Description": "Return the name of the online and offline blue and green Auto Scaling Groups",
  "Version": 1,
  "ExportedAt": "2025-01-10T03:42:14.665Z",
  "ActionType": "Octopus.AwsRunScript",
  "Author": "mcasperson",
  "Packages": [],
  "Parameters": [
    {
      "Id": "f8522014-f1ba-4e4a-a06d-59ebdba6f276",
      "Name": "AWSBlueGreen.InactiveColor",
      "Label": "Inactive Color",
      "HelpText": "The color of the inactive group (Green or Blue). This value is usually found from the \"AWS - Find Blue-Green Target Group\" step.",
      "DefaultValue": "",
      "DisplaySettings": {
        "Octopus.ControlType": "SingleLineText"
      }
    },
    {
      "Id": "8753e6ed-0ae6-4a4c-ae5b-155139037633",
      "Name": "AWSBlueGreen.AWS.GreenASG",
      "Label": "Green ASG Name",
      "HelpText": "The name of the green auto scaler group. See https://docs.aws.amazon.com/autoscaling/ec2/userguide/auto-scaling-groups.html for more details.",
      "DefaultValue": "",
      "DisplaySettings": {
        "Octopus.ControlType": "SingleLineText"
      }
    },
    {
      "Id": "bf9187f5-62e9-4ad9-b53f-459466b84994",
      "Name": "AWSBlueGreen.AWS.BlueASG",
      "Label": "Blue ASG Name",
      "HelpText": "The name of the blue auto scaler group. See https://docs.aws.amazon.com/autoscaling/ec2/userguide/auto-scaling-groups.html for more details.",
      "DefaultValue": "",
      "DisplaySettings": {
        "Octopus.ControlType": "SingleLineText"
      }
    },
    {
      "Id": "eb02bbf2-e05a-4469-9359-c77d77d87dd2",
      "Name": "AWSBlueGreen.AWS.Region",
      "Label": "Region",
      "HelpText": "The AWS region. See https://aws.amazon.com/about-aws/global-infrastructure/regions_az/ for more information.",
      "DefaultValue": "",
      "DisplaySettings": {
        "Octopus.ControlType": "SingleLineText"
      }
    },
    {
      "Id": "99a74afc-ee67-4295-8281-3bb1c6e83d06",
      "Name": "AWSBlueGreen.AWS.Account",
      "Label": "Account",
      "HelpText": null,
      "DefaultValue": "",
      "DisplaySettings": {
        "Octopus.ControlType": "AmazonWebServicesAccount"
      }
    }
  ],
  "Properties": {
    "OctopusUseBundledTooling": "False",
    "Octopus.Action.Script.ScriptSource": "Inline",
    "Octopus.Action.Script.Syntax": "Bash",
    "Octopus.Action.Aws.AssumeRole": "False",
    "Octopus.Action.AwsAccount.UseInstanceRole": "False",
    "Octopus.Action.AwsAccount.Variable": "#{AWSBlueGreen.AWS.Account}",
    "Octopus.Action.Script.ScriptBody": "#!/bin/bash\n\nINACTIVECOLOR=${1:-'#{AWSBlueGreen.InactiveColor | Trim}'}\nGREENASG=${2:-'#{AWSBlueGreen.AWS.GreenASG | Trim}'}\nBLUEASG=${3:-'#{AWSBlueGreen.AWS.BlueASG | Trim}'}\n\nechoerror() { echo \"$@\" 1>&2; }\n\nif [[ -z \"${INACTIVECOLOR}\" ]]\nthen\n  echoerror \"Please provide the color of the inactive Auto Scaling group (Green or Blue) as the first argument\"\n  exit 1\nfi\n\nif [[ -z \"${GREENASG}\" ]]\nthen\n  echoerror \"Please provide the name of the Green Auto Scaling group as the second argument\"\n  exit 1\nfi\n\nif [[ -z \"${BLUEASG}\" ]]\nthen\n  echoerror \"Please provide the name of the Blue Auto Scaling group as the third argument\"\n  exit 1\nfi\n\nif [[ \"${INACTIVECOLOR^^}\" == \"GREEN\" ]]\nthen\n  set_octopusvariable \"ActiveGroup\" \"${BLUEASG}\"\n  set_octopusvariable \"InactiveGroup\" \"${GREENASG}\"\n  echo \"Active group is Blue (${BLUEASG}), inactive group is Green (${GREENASG})\"\nelse\n  set_octopusvariable \"ActiveGroup\" \"${GREENASG}\"\n    set_octopusvariable \"InactiveGroup\" \"${BLUEASG}\"\n    echo \"Active group is Green (${GREENASG}), inactive group is Blue (${BLUEASG})\"\nfi",
    "Octopus.Action.Aws.Region": "#{AWSBlueGreen.AWS.Region}"
  },
  "Category": "AWS",
  "HistoryUrl": "https://github.com/OctopusDeploy/Library/commits/master/step-templates//opt/buildagent/work/75443764cd38076d/step-templates/aws-find-blue-green-asg.json",
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History

Page updated on Friday, January 10, 2025