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Pull Request Overview
This PR introduces a new step template for Octopus Deploy that validates blue/green deployment patterns by ensuring deployments alternate between blue and green environments.
- Adds validation logic to check deployment history and prevent sequential deployments to the same environment
- Sets an output variable
SequentialDeployto indicate whether the current deployment would break the alternating pattern - Provides configurable parameters for API key and environment names
Comments suppressed due to low confidence (2)
step-templates/octopus-blue-green-check.json:1
- The comment 'Check to make sure targets have been created' is misleading - this code is determining the Octopus server URL, not checking targets. The comment should be updated to reflect the actual purpose.
{
step-templates/octopus-blue-green-check.json:1
- [nitpick] The variable name
$blueLatestDeploymentis misleading since it contains an array of deployments, not a single deployment. Consider renaming to$blueDeploymentsfor clarity. The same applies to$greenLatestDeployment.
{
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Pull Request Overview
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Comments suppressed due to low confidence (2)
step-templates/octopus-blue-green-check.json:1
- The code fetches only 2 deployments but then filters out the current deployment, potentially leaving only 1 or 0 results. This could cause issues when checking for the most recent deployment. Consider increasing the take parameter to 3 or handle the case where filtering returns no results.
{
step-templates/octopus-blue-green-check.json:1
- Using
.Lengthproperty on PowerShell objects that might be null or a single object can cause errors. PowerShell collections behave differently when they contain 0, 1, or multiple items. Use@($greenLatestDeployment).Countinstead to ensure consistent behavior.
{
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Background
This new step provides a way to check that blue/green deployments alternate between each environment. This is useful when modeling blue/green deployments as two environments where deployments should go from blue->green->blue and so on.
Pre-requisites
Idshould be a GUID that is not00000000-0000-0000-0000-000000000000Idproperty (updating theIdwill break the Library sync functionality in Octopus).Versionshould be incremented, otherwise the integration with Octopus won't update the step template correctly$LastModifiedByfield must be present, and (optionally) updated with the correct authorCategoryhas been created:{categoryname}.pngmust be present under thestep-templates/logosfolderswitchin thehumanizefunction ingulpfile.babel.jsmust have acasestatement corresponding to itFixes # . If there is an open issue that this PR fixes add it here, otherwise just remove this line