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https://github.com/pr8kerl/kubectl-ssm-secret


https://github.com/pr8kerl/kubectl-ssm-secret

eks kubectl-plugins kubernetes parameter-store secrets ssm

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# kubectl-ssm-secret



A kubectl plugin to allow import/export of kubernetes secrets to/from AWS SSM Parameter Store path.



The plugin is opinionated. It will look for parameters under a single path. It will not recursively search more than one level under a given path. All parameters found under the given parameter store path can be imported into a single kubernetes secret as StringData.



Useful if you are reprovisioning clusters or namespaces and need to provision the same secrets over and over.

Or perhaps useful to backup/restore your LetsEncrypt or other certificates.

 

## examples



Given a couple of parameters stored in param store under the path `/foo`, these can easily be imported into kubernetes into a single secret.



If an AWS parameter at path `/foo/bar` contains a secret value, and the parameter `/foo/passwd` contains a secure password, we can view the keys and values in parameter store using the `kubectl ssm-secret list` subcommand:



```

% kubectl ssm-secret list --ssm-path /foo

ssm:/foo/bar: foobar

ssm:/foo/passwd: SuperSecretSquirrelPassword

```



These params can then be imported with the following import command:

```

% kubectl ssm-secret import foo --ssm-path /foo

imported secret: foo

```



The resulting kubernetes secret created will look like this:

```

% kubectl get secret foo -o yaml

apiVersion: v1

data:

  bar: Zm9vYmFy

  passwd: U3VwZXJTZWNyZXRTcXVpcnJlbFBhc3N3b3Jk

kind: Secret

metadata:

  creationTimestamp: "2019-08-10T00:42:35Z"

  name: foo

  namespace: default

  resourceVersion: "5565641"

  selfLink: /api/v1/namespaces/default/secrets/foo

  uid: bf0fe887-bb07-11e9-9531-02946becbcee

type: Opaque

```



ssm-secret can also be used to then view the plain-text contents of the kubernetes secret using list subcommand:

```

% kubectl ssm-secret list foo

k8s:default/foo/bar: foobar

k8s:default/foo/passwd: SuperSecretSquirrelPassword

```



Additionally, we can export a secret from kubernetes into a parameter store path:

```

% kubectl ssm-secret export foo --ssm-path /bar

created parameter: /bar/bar, version: 1

created parameter: /bar/passwd, version: 1

exported secret: foo

```



## Install



Use latest [krew](https://github.com/kubernetes-sigs/krew) to install.



```

% kubectl krew install ssm-secret

```



## Build 



Requires docker and docker-compose installed locally.



* clone the repository

* set your `GOOS` environment variable to match your platform



```

% git clone [email protected]:pr8kerl/kubectl-ssm-secret.git

% cd kubectl-ssm-secret

% GOOS=darwin GOARCH=arm64 docker-compose run --rm make

```



## Use



* Authenticate to AWS

* Authenticate to your kubernetes cluster

* Use the `list` subcommand to list keys and decoded values from a kubernetes secret or from a ssm parameter store path

* Use the `import` subcommand to create a kubernetes secret from key/values stored under a parameter store path

* Use the `export` subcommand to copy from a kubernetes secret to a parameter store path

* Use the `--overwrite` flag to overwrite an existing kubernetes secret or existing parameter store keys.

* Use the `--advanced` flag to export a kubernetes secret which size is over 4 KB to an advanced parameter.

* Use the `--tls` flag with the import subcommand to create a kubernetes tls secret instead of the default opaque type

* Use the `--namespace` flag to to override the kubernetes namespace in the current context



```

% kubectl ssm-secret --help

view or import/export k8s secrets from/to aws ssm param store



Usage:

  ssm-secret list|import|export secret [flags]

  ssm-secret [command]



Examples:



        # view the parameter store keys and values located in parameter store path /param/path/foo

        kubectl ssm-secret list --ssm-path /param/path/foo



        # view the kubernetes secret called foo

        kubectl ssm-secret list foo



        # import to a kubernetes secret called foo from key/values stored at parameter store path /param/path/foo

        kubectl ssm-secret import foo --ssm-path /param/path/foo



        # export a kubernetes secret called foo to aws ssm parameter store path /param/path/foo

        kubectl ssm-secret export foo --ssm-path /param/path/foo



        # display the plugin version

        kubectl ssm-secret version



Available Commands:

  export      export a kubernetes secret to aws ssm param store

  help        Help about any command

  import      import a kubernetes secret from aws ssm param store

  list        list ssm parameters by path 

  version     print the ssm-secret version



Flags:

  -h, --help               help for ssm-secret

  -n, --namespace string   kubernetes namespace (default "default")



Use "ssm-secret [command] --help" for more information about a command.

```



```

% kubectl ssm-secret export --help

export a kubernetes secret to aws ssm param store



Usage:

  ssm-secret export [flags]



Flags:

  -e, --encode            gzip, base64 encode values in parameter store

  -h, --help              help for export

  -o, --overwrite         if parameter store key exists, overwite its values with those from k8s secret

  -a, --advanced          if secret size is over 4 KB, store it in an advanced parameter

  -s, --ssm-path string   ssm parameter store path to write data to



Global Flags:

  -n, --namespace string   kubernetes namespace (default "default")

```



```

% kubectl ssm-secret import --help

import a kubernetes secret from aws ssm param store



Usage:

  ssm-secret import [flags]



Flags:

  -d, --decode            treat store values in param store as gzipped, base64 encoded strings

  -h, --help              help for import

  -o, --overwrite         if k8s secret exists, overwite its values with those from param store

  -s, --ssm-path string   ssm parameter store path to read data from

  -t, --tls               import ssm param store values to k8s tls secret



Global Flags:

  -n, --namespace string   kubernetes namespace (default "default")

```



```

% kubectl ssm-secret list --help

Flags:

  -e, --env               output as environment variable key pairs

  -h, --help              help for list

  -s, --ssm-path string   ssm parameter store path to list parameters from



Global Flags:

  -n, --namespace string   kubernetes namespace (default "svcs")

```