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[Sudoers] Restrict permissions for plcuster-admin user to execute systemctl poweroff only on Ubuntu24.04, as this is the only OS where pcluster-admin will shutdown the node using that command. #2962

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[Sudoers] Restrict permissions for plcuster-admin user to execute systemctl poweroff only on Ubuntu24.04, as this is the only OS where pcluster-admin will shutdown the node using that command. #2962

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8 changes: 5 additions & 3 deletions cookbooks/aws-parallelcluster-slurm/templates/default/slurm/99-parallelcluster-slurm.erb
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Original file line number Diff line number Diff line change
@@ -1,10 +1,12 @@
Cmnd_Alias SLURM_COMMANDS = <%= node['cluster']['slurm']['install_dir'] %>/bin/scontrol, <%= node['cluster']['slurm']['install_dir'] %>/bin/sinfo
Cmnd_Alias SLURM_HOOKS_COMMANDS = <%= node_virtualenv_path %>/bin/slurm_suspend, <%= node_virtualenv_path %>/bin/slurm_resume, <%= node_virtualenv_path %>/bin/slurm_fleet_status_manager
Cmnd_Alias SHUTDOWN = /usr/sbin/shutdown
Cmnd_Alias SYSTEMCTL_POWEROFF = /usr/bin/systemctl poweroff --force

<%= node['cluster']['cluster_admin_user'] %> ALL = (root) NOPASSWD: SLURM_COMMANDS
<%= node['cluster']['cluster_admin_user'] %> ALL = (root) NOPASSWD: SHUTDOWN
<%= node['cluster']['cluster_admin_user'] %> ALL = (root) NOPASSWD: SYSTEMCTL_POWEROFF

<%= node['cluster']['slurm']['user'] %> ALL = (<%= node['cluster']['cluster_admin_user'] %>) NOPASSWD:SETENV: SLURM_HOOKS_COMMANDS

<% if node['cluster']['os'] == "ubuntu2404" %>
Cmnd_Alias SYSTEMCTL_POWEROFF = /usr/bin/systemctl poweroff --force
<%= node['cluster']['cluster_admin_user'] %> ALL = (root) NOPASSWD: SYSTEMCTL_POWEROFF
<% end %>
4 changes: 4 additions & 0 deletions cookbooks/aws-parallelcluster-slurm/test/controls/slurm_users_spec.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -71,5 +71,9 @@
its('content') { should match %r{Cmnd_Alias SHUTDOWN = /usr/sbin/shutdown} }
its('content') { should match /#{node['cluster']['slurm']['user']} ALL = \(#{node['cluster']['cluster_admin_user']}\) NOPASSWD:SETENV: SLURM_HOOKS_COMMANDS/ }
its('content') { should match %r{Cmnd_Alias SLURM_HOOKS_COMMANDS = #{venv_bin}/slurm_suspend, #{venv_bin}/slurm_resume, #{venv_bin}/slurm_fleet_status_manager} } unless redhat_on_docker
if os_properties.ubuntu2404?
its('content') { should match %r{Cmnd_Alias SYSTEMCTL_POWEROFF = /usr/bin/systemctl poweroff --force} }
its('content') { should match /#{node['cluster']['cluster_admin_user']} ALL = \(root\) NOPASSWD: SYSTEMCTL_POWEROFF/ }
end
end
end
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