Inventory and Analysis
Jenkins Core, Java version, plugin list, defined jobs, credentials, node (agent) structures, and external integrations are recorded.
Jenkins migration is the service of controlled transfer of data such as controller configurations, jobs, pipelines, plugins, authorization keys (credentials), build history, and agent connections to a new environment without data loss.
Simply copying the JENKINS_HOME directory is not sufficient for a smooth migration. Before migration, a complete inventory of the current Java and Jenkins versions, plugin dependencies, encrypted secret keys, external tools, and agent (worker) working directories is extracted. To prevent unexpected errors, test startups and sample builds are performed on the target system to conduct a live migration trial.
Jenkins Core, Java version, plugin list, defined jobs, credentials, node (agent) structures, and external integrations are recorded.
The path to version upgrades and potential plugin compatibility risks are isolated and evaluated in a test environment.
The JENKINS_HOME directory, secret keys, and external tools required for the process are transferred to the target environment under control.
System access (login), credential resolution, webhooks, agent connections, and representative pipelines are tested.
Assess the current environment, target and dependencies
Document scope, risks, acceptance and rollback
Implement, validate and document
Depending on the scope of the migration and the chosen transfer method, old build history can be transferred. However, for very large data volumes, planning for the transfer duration and disk costs should also be considered.
If the secret keys within Jenkins' own structure (master.key, etc.) are transferred securely to the target environment, the credential data is protected. It is essential to ensure these access controls in the pre-migration test environment.
Required plugin updates are performed in a controlled and planned sequence. Simultaneously updating the server and all plugins to the latest version increases the rollback risk, so a phased approach is preferred.
We review your current environment, target and technical requirements in a 20–30 minute call. Scope, assumptions, deliverables and pricing are documented before work begins.
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