rkdump (rust kdump)

将所有 Kubernetes API 资源（Pod、Deployment、Namespace 等）以 YAML 格式导出到文件中。

快速且简单的解决方案。不要期待代码很美观 :).

我的用例：穷人的 etcd -> git 同步

导出所有配置上下文中的 API 资源。

调用 kubectl api-resources 以确定其访问权限，然后开始使用 kubectl get -o yaml > . 下载所有内容。注意：如果明确提供加密密钥（aes gcm），还会导出密钥。

现在用 Rust 编写。

用法

rkdump --help                                
rkdump 0.1.0
Dump all kubernetes resources as yaml files to a dir

USAGE:
    rkdump <SUBCOMMAND>

OPTIONS:
    -h, --help       Print help information
    -V, --version    Print version information

SUBCOMMANDS:
    download                  Normal usage. Download all resources
    cluster-resource-types    List resource types available for download in the cluster
    default-excluded-types    Don't download resources - instead show default excluded types

rkdump download --help
rkdump-download 
Normal usage. Download all resources

USAGE:
    rkdump download [OPTIONS] --output-dir <OUTPUT_DIR>

OPTIONS:
    -o, --output-dir <OUTPUT_DIR>
            REQUIRED: output directory to create

        --delete-previous-dir
            if to delete previous output directory (default: false)

        --secrets-encryption-key <SECRETS_ENCRYPTION_KEY>
            symmetric secrets encryption hex key for aes GCM (lower case 64 chars)

        --no-default-excluded-types
            disable default excluded types

        --excluded-types <EXCLUDED_TYPES>
            add additional excluded types

    -h, --help
            Print help information

示例

rkdump download --output-dir test --delete-previous-dir --excluded-types deployments.apps --excluded-
types services
2021-12-30 22:10:36,500 INFO [kdump] Checking what k8s types to download...
2021-12-30 22:10:37,679 INFO [kdump] Downloading all objects...
2021-12-30 22:10:44,863 INFO [kdump] Deserializing yaml...
2021-12-30 22:10:47,302 INFO [kdump] Writing yaml files...
2021-12-30 22:10:47,782 INFO [kdump] DONE!

rkdump cluster-resource-types
Cluster types:
 - configmaps
 - challenges.acme.cert-manager.io
 - orders.acme.cert-manager.io
 ...

rkdump default-excluded-types
Default excluded types:
 - limitranges
 - podtemplates
 - replicationcontrollers
 - resourcequotas
 - events
 - jobs
 ...