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nexus-repo-size

Bash script to calculate Nexus Repository sizes by reading .properties files from blob storage, without relying on Nexus API or Groovy.

Nexus Blobstore Repository Size Analyzer

This Bash script analyzes Nexus Repository Manager's blob storage directly by reading .properties metadata files. It calculates the total size used by each repository bucket (@Bucket.repo-name) based on the size= fields.

✅ Works even when:

  • Nexus UI/API doesn't show per-repository size
  • Groovy scripts are disabled in newer Nexus versions

🔍 What It Does

  • Scans all .properties files under the blob storage (e.g. /var/nexus/blobs/default/content)
  • Extracts @Bucket.repo-name and corresponding size=... fields
  • Aggregates total size in bytes per repository
  • Outputs a clean, tabular summary of repository sizes

🛠️ Requirements

  • Bash

  • grep, cut, bc (standard Unix tools)

  • (Optional) curl and jq — if using Nexus REST API to list repositories

    apt install curl jq -y

🔐 Security Tip: Store Credentials in Vault

For secure environments, avoid hardcoding your Nexus credentials in the script.

Instead, fetch them at runtime using a secrets manager like HashiCorp Vault:

USER=$(vault kv get -field=username secret/nexus)
PASS=$(vault kv get -field=password secret/nexus)

📦 Sample Output

Собираем список репозиториев с Nexus API... Поиск всех .properties файлов... Обработка файлов...

📦 Размеры репозиториев (в байтах):
Repository                                    Bytes
---------                                    ------
elastic-proxy                              49101741
qa-test                                  7848270237
DockerHub-proxy                          1893982703
automation-test                              255004
redhat-proxy                              317125782
argocd-public-repo                          9041680
k8s-proxy                                   3397879
maven-central                             636036371
nuget.org-proxy                                7546
my-app                                 824274444183
gradle-raw                                608709246
maven-releases                            584001341