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dd�Zdd� Z dd� Z d d � Z d d� Z d d � Z dS )!a� Reset RMC: Reset rsct node id
Reset RMC module is IBM PowerVM Hypervisor specific
Reliable Scalable Cluster Technology (RSCT) is a set of software components,
that together provide a comprehensive clustering environment (RAS features)
for IBM PowerVM based virtual machines. RSCT includes the Resource monitoring
and control (RMC) subsystem. RMC is a generalized framework used for managing,
monitoring, and manipulating resources. RMC runs as a daemon process on
individual machines and needs creation of unique node id and restarts
during VM boot.
More details refer
https://www.ibm.com/support/knowledgecenter/en/SGVKBA_3.2/admin/bl503_ovrv.htm
This module handles
- creation of the unique RSCT node id to every instance/virtual machine
and ensure once set, it isn't changed subsequently by cloud-init.
In order to do so, it restarts RSCT service.
Prerequisite of using this module is to install RSCT packages.
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MetaSchema)� ALL_DISTROS)� PER_INSTANCE� cc_reset_rmc)�id�distros� frequency�activate_by_schema_keys�meta� z/opt/rsct/install/bin�rmcctrl�recfgctz/etc/ct_node_id�name�cfg�cloud�args�returnc C s� |j jdkr
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|� t � W |r2|tjd< d S tjd= d S |r@|tjd< w tjd= w )N�nonez(Skipping creation of new ct_node_id nodez&module disabled, RSCT_PATH not present�PATH) �
datasource�
platform_type�LOG�debug�os�path�isdir� RSCT_PATH�environ�get�add_path� reset_rmc)r r r r � orig_path� r& �?/usr/lib/python3/dist-packages/cloudinit/config/cc_reset_rmc.py�handle< s
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r( c C sD zt � tg�d } t�| �� � | W S t jy! t�td� � w )Nr z*Failed to reconfigure the RSCT subsystems.)r �RECFGCTr r �strip�ProcessExecutionErrorr �logexc)�outr& r& r' �reconfigure_rsct_subsystemsQ s �r. c C s@ zt �t�} | �d�d }|W S ty t �tdt � � w )N�
r z#Failed to get node ID from file %s.)r �load_text_file� NODE_ID_FILE�split� Exceptionr, r )�fp�node_idr& r& r' � get_node_id^ s
�r6 c C s( | rd| nd}t | tjd< tjd S )N�:r r )r r r! )r% �suffr& r& r' r# h s
r# c C s. zt � tdg�W S ty t�td� � w )Nz-zz!Failed to stop the RMC subsystem.)r �RMCCTRLr3 r r, r r& r& r& r' r q s �c C s\ t �d� t� } t �d| � t� t� t� }t �d|� || kr,d}t �|� t|��d S )NzAttempting to reset RMC.z"Node ID at beginning of module: %sz Node ID at end of module: %sz"New node ID did not get generated.)r r r6 r r. �error� RuntimeError)�node_id_before�
node_id_after�msgr& r& r' r$ { s
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