Container Image Exporter
Introduction
The Container Image Exporter plugin facilitates the export of container images into tarball files and then uploads these files to cloud storage. This process simplifies the transfer of container images, particularly beneficial for air-gapped environments where external network access is restricted. By converting images to tarballs, you can easily transport them via physical drives to the isolated systems. This approach is especially valuable in scenarios where direct network-based transfers are not permitted.
Prerequisites
Before integrating the Container Image Exporter plugin, you need to properly configure your cloud storage to store the generated tarball files.
Steps
Go to Applications → Devtron Apps.
Click your application.
Go to App Configuration → Workflow Editor.
Click New Workflow and navigate to the Build and Deploy from Source Code.
Fill the required fields in the Create build pipeline window and navigate to the Post-Build stage.
If you have already configured workflow, edit the build pipeline, and navigate to Post-Build stage.
Under 'TASKS', click the + Add task button.
Select the Container Image Exporter plugin.
Enter the following user inputs with appropriate values.
User Inputs
Task Name
Enter the name of your task
e.g., Container Image Exporter
Description
Add a brief explanation of the task and the reason for choosing the plugin. Include information for someone else to understand the purpose of the task.
e.g., The Container Image Exporter plugin is integrated to generate a tarball archive of docker images
Input Variables
Platform
STRING
Specify the CPU architecture for the exported images (arm64 or amd64)
amd64
AwsRegion
STRING
Enter the AWS region where your S3 bucket is located
ap-south-1
FilePrefix
STRING
Add a prefix to your exported image file name
temp_
AwsAccessKey
STRING
Provide your AWS Access Key ID for authentication if using AWS as a cloud provider
VtbXliYXNlNjR2YWx1
AwsSecretKey
STRING
Enter your AWS Secret Access Key if using AWS as a cloud provider
VtudqygefuyqgjR29283bcq
AzureAccountKey
STRING
Provide the Account Key for your Azure Storage account, if using Azure as a cloud provider
abc123def567ghi
AzureAccountName
STRING
Enter the Account Name of your Azure Storage account, if using Azure as a cloud provider
prod-us
Expiry
STRING
Set the expiration time for the S3 bucket (in minutes, a whole number between 1 and 720)
10
BucketName
STRING
Enter the name of the storage container where you want to upload the exported image file
tarball-store
ContainerImage
STRING
Provide the name of the system variable containing the image to be exported
DOCKER_IMAGE
GcpServiceAccountJson
STRING
Enter your Google Cloud service account JSON credentials in base64 format (use scoped variables for security), if using GCP as a cloud provider
wogICJ0eXBlIjogInNlcnZpY2VfYWNjb3VudCIsCiAgInByb2plY3RfaWQiOiAiZHV
GcpProjectName
STRING
Specify the Google Cloud project name associated with your service account, if using GCP as a cloud provider
project-12345
CloudProvider
STRING
Choose your preferred cloud storage provider (aws for Amazon S3, Azure for azure Blob Storage, or gcp for Google Cloud Storage)
aws
Trigger/Skip Condition
Here you can set conditions to execute or skip the task. You can select Set trigger conditions for the execution of a task or Set skip conditions to skip the task.
Output Variables
Container Image Exporter will not be generating an output variable.
Click Update Pipeline.
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