Octopus Deploy Slack Notification Step Template

OctopusDeploySlackNotificationStepTemplate.json

{
  "Id": "ActionTemplates-81",
  "Name": "Slack - Notify Deployment",
  "Description": "Notifies Slack of deployment status. Uses the Octopus Deploy system variable to determine whether a deployment was successful.",
  "ActionType": "Octopus.Script",
  "Version": 1,
  "Properties": {
    "Octopus.Action.Script.ScriptBody": "function Slack-Rich-Notification ($notification)\n{\n    $payload = @{\n        channel = $OctopusParameters['Channel']\n        username = $OctopusParameters['Username'];\n        icon_url = $OctopusParameters['IconUrl'];\n        attachments = @(\n            @{\n            fallback = $notification[\"fallback\"];\n            color = $notification[\"color\"];\n            fields = @(\n                @{\n                title = $notification[\"title\"];\n                title_link = $notification[\"title_link\"];\n                value = $notification[\"value\"];\n                });\n            };\n        );\n    }\n\n    Invoke-RestMethod -Method POST -Body ($payload | ConvertTo-Json -Depth 4) -Uri $OctopusParameters['HookUrl']  -ContentType 'application/json'\n}\n\n$IncludeMachineName = [boolean]::Parse($OctopusParameters['IncludeMachineName']);\nif ($IncludeMachineName) {\n    $MachineName = $OctopusParameters['Octopus.Machine.Name'];\n    if ($MachineName) {\n      $FormattedMachineName = \"($MachineName)\";\n    }\n}\n\nif ($OctopusParameters['Octopus.Deployment.Error'] -eq $null){\n    Slack-Rich-Notification @{\n        title = \"Success\";\n        title_link = \"$OctopusWebBaseUrl$OctopusWebDeploymentLink\";\n        value = \"Deploy <$OctopusWebBaseUrl$OctopusWebProjectLink|$OctopusProjectName> release <$OctopusWebBaseUrl$OctopusWebReleaseLink|$OctopusReleaseNumber> to $OctopusEnvironmentName $OctopusActionTargetRoles $OctopusDeploymentTenantName $FormattedMachineName\";\n        fallback = \"Deployed $OctopusProjectName release $OctopusReleaseNumber to $OctopusEnvironmentName successfully\";\n        color = \"good\";\n    };\n} else {\n    Slack-Rich-Notification @{\n        title = \"Failed\";\n        title_link = \"$OctopusWebBaseUrl$OctopusWebDeploymentLink\";\n        value = \"Deploy <$OctopusWebBaseUrl$OctopusWebProjectLink|$OctopusProjectName> release <$OctopusWebBaseUrl$OctopusWebReleaseLink|$OctopusReleaseNumber> to $OctopusEnvironmentName $OctopusActionTargetRoles $OctopusDeploymentTenantName $FormattedMachineName\";\n        fallback = \"Failed to deploy $OctopusProjectName release $OctopusReleaseNumber to $OctopusEnvironmentName\";\n        color = \"danger\";\n    };\n}",
    "Octopus.Action.Script.Syntax": "PowerShell",
    "Octopus.Action.Package.NuGetFeedId": "feeds-builtin",
    "Octopus.Action.Script.ScriptSource": "Inline",
    "Octopus.Action.RunOnServer": "false"
  },
  "Parameters": [
    {
      "Name": "HookUrl",
      "Label": "Webhook URL",
      "HelpText": "The Webhook URL provided by Slack, including token.",
      "DefaultValue": null,
      "DisplaySettings": {}
    },
    {
      "Name": "Channel",
      "Label": "Channel handle",
      "HelpText": "Which Slack channel to post notifications to.",
      "DefaultValue": null,
      "DisplaySettings": {}
    },
    {
      "Name": "IconUrl",
      "Label": "Icon URL",
      "HelpText": "The icon to use for this user in Slack",
      "DefaultValue": "http://octopusdeploy.com/content/resources/favicon.png",
      "DisplaySettings": {}
    },
    {
      "Name": "Username",
      "Label": null,
      "HelpText": "The username shown in Slack against these notifications",
      "DefaultValue": "Octopus Deploy",
      "DisplaySettings": {}
    },
    {
      "Name": "IncludeMachineName",
      "Label": "Include machine name",
      "HelpText": "Should machine name be included in notification to Slack?",
      "DefaultValue": "True",
      "DisplaySettings": {
        "Octopus.ControlType": "Checkbox"
      }
    }
  ],
  "$Meta": {
    "ExportedAt": "2017-02-18T19:11:12.785Z",
    "OctopusVersion": "3.3.2",
    "Type": "ActionTemplate"
  }
}

This is based on jgbrights example with tweaks and some links added.