feat: script to easily display BMC password

Example run:

```
$ devbox run bmc-kube-password 10.4.13.1
lREDACTEDREDACTEDRED
$
```

python/understack-workflows/devbox.json

@@ -16,7 +16,7 @@
     "init_hook": [
       "echo 'Welcome to Understack understack_workflows devbox!' > /dev/null",
       ". $VENV_DIR/bin/activate",
-      "poetry install --with=test"
+      "poetry install --with=test -q"
     ],
     "scripts": {
       "test": [

python/understack-workflows/devbox.lock

@@ -411,7 +411,7 @@
     },
     "python3@3.11": {
       "last_modified": "2024-06-12T20:55:33Z",
-      "plugin_version": "0.0.3",
+      "plugin_version": "0.0.4",
       "resolved": "github:NixOS/nixpkgs/a9858885e197f984d92d7fe64e9fff6b2e488d40#python3",
       "source": "devbox-search",
       "version": "3.11.9",

python/understack-workflows/pyproject.toml

@@ -47,6 +47,8 @@ sync-provision-state = "understack_workflows.main.sync_provision_state:main"
 undersync-switch = "understack_workflows.main.undersync_switch:main"
 undersync-device = "understack_workflows.main.undersync_device:main"
 enroll-server = "understack_workflows.main.enroll_server:main"
+bmc-password = "understack_workflows.main.print_bmc_password:main"
+bmc-kube-password = "understack_workflows.main.bmc_display_password:main"
 
 [tool.pytest.ini_options]
 minversion = "6.0"

python/understack-workflows/understack_workflows/main/bmc_display_password.py

@@ -0,0 +1,41 @@
+import base64
+import subprocess
+import sys
+
+from understack_workflows import bmc_password_standard
+
+
+def main():
+    if len(sys.argv) != 2:
+        print("Usage: bmc-kube-password <ip_addr>", file=sys.stderr)
+        sys.exit(1)
+
+    ip_addr = sys.argv[1]
+    master_key = (
+        subprocess.check_output(
+            [
+                "kubectl",
+                "get",
+                "secret",
+                "-n",
+                "argo-events",
+                "bmc-master",
+                "-o",
+                "jsonpath={.data.key}",
+            ]
+        )
+        .decode("utf-8")
+        .strip()
+    )
+    master_key = base64.b64decode(master_key).decode("utf-8")
+    if not master_key:
+        print("Unable to obtain master secret", file=sys.stderr)
+        sys.exit(2)
+
+    print(
+        bmc_password_standard.standard_password(ip_addr=ip_addr, master_key=master_key)
+    )
+
+
+if __name__ == "__main__":
+    main()