added support for lpar start command

added missing support for lpar start group command

Signed-off-by: Saiprasanna Boyina <[email protected]>

docs/changes.rst

@@ -103,6 +103,8 @@ Released: not yet
 * Test: Added Python 3.8 with latest package levels to normal tests because
   that is now the minimum version to run Sphinx. (related to issue #547)
 
+* Added support for Lpar start command (issue #500)
+
 **Cleanup:**
 
 * Increased versions of GitHub Actions plugins to increase node.js runtime

zhmccli/_cmd_lpar.py

@@ -574,6 +574,24 @@ def lpar_console(cmd_ctx, cpc, lpar, **options):
     cmd_ctx.execute_cmd(lambda: cmd_lpar_console(cmd_ctx, cpc, lpar, options))
 
 
+@lpar_group.command('start', options_metavar=COMMAND_OPTIONS_METAVAR)
+@click.argument('CPC', type=str, metavar='CPC')
+@click.argument('LPAR', type=str, metavar='LPAR')
+@click.option('--allow-status-exceptions', is_flag=True, required=False,
+              help='Allow status "exceptions" as a valid end status.')
+@add_options(ASYNC_TIMEOUT_OPTIONS)
+@click.pass_obj
+def lpar_start(cmd_ctx, cpc, lpar, **options):
+    """
+    Start the processors for processing instructions of an LPAR.
+
+    In addition to the command-specific options shown in this help text, the
+    general options (see 'zhmc --help') can also be specified right after the
+    'zhmc' command name.
+    """
+    cmd_ctx.execute_cmd(lambda: cmd_lpar_start(cmd_ctx, cpc, lpar, options))
+
+
 @lpar_group.command('stop', options_metavar=COMMAND_OPTIONS_METAVAR)
 @click.argument('CPC', type=str, metavar='CPC')
 @click.argument('LPAR', type=str, metavar='LPAR')
@@ -1125,6 +1143,21 @@ def cmd_lpar_console(cmd_ctx, cpc_name, lpar_name, options):
             "{exc}: {msg}".format(exc=exc.__class__.__name__, msg=exc))
 
 
+def cmd_lpar_start(cmd_ctx, cpc_name, lpar_name, options):
+    # pylint: disable=missing-function-docstring
+
+    client = zhmcclient.Client(cmd_ctx.session)
+    lpar = find_lpar(cmd_ctx, client, cpc_name, lpar_name)
+
+    try:
+        lpar.start(wait_for_completion=True, **options)
+    except zhmcclient.Error as exc:
+        raise click_exception(exc, cmd_ctx.error_format)
+
+    cmd_ctx.spinner.stop()
+    click.echo("Starting of LPAR '{p}' is complete.".format(p=lpar_name))
+
+
 def cmd_lpar_stop(cmd_ctx, cpc_name, lpar_name, options):
     # pylint: disable=missing-function-docstring