Design learning tools

Provide diagrams for a Virtualized Execution Environment

Propose interfaces for a cli toolkit

examples/opnsense/scripts/harmony-ve-vm

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+
+#! /bin/bash
+
+harmony-ve-vm()(
+
+  set -eu
+
+  [ "${1:-}" != "-d" ]  || { set -x ; shift ; }
+  trap '[ "$?" = "0" ] || >&2 echo  ABNORMAL TERMINATION' EXIT
+
+  BASE_DIR=$(readlink -f "$(dirname "${BASH_SOURCE}")/..")
+
+  _short_help(){
+
+    cat <<-EOM
+  
+  NAME
+
+	harmony-ve-mv
+
+  DESCRIPTION
+
+    Manage virtalized hosts (VM) dependencies by Harmony Virtual Execution Environment
+
+  SYNOPSYS
+
+    harmony-ve-vm [GLOBAL_OPTIONS] COMMAND [OPTIONS]
+
+    harmony-ve-vm list
+    harmony-ve-vm create
+    harmony-ve-vm start
+    harmony-ve-vm stop
+    harmony-ve-vm login
+
+EOM
+
+  }
+
+  _extra_help(){
+
+    cat <<-EOM
+
+  GLOBAL_OPTIONS
+
+    -d     Debug mode.
+
+  WARNINGS
+
+    This script is experimetal. Use with caution.
+EOM
+
+  }
+
+
+  # Implement functions
+
+case "${1:-}" in
+
+  "")
+	_short_help
+	;;
+  -h|--help)
+	_short_help
+	_extra_help
+	;;
+   # Commands entrypoints
+   *)
+        _warn "Unknown COMMAND '$1'"
+	exit 1
+	;;
+esac 
+
+)
+
+
+[ "$0" != "${BASH_SOURCE}" ] || harmony-ve-vm "${@}"
+