[slurm] Add slurm plugin

Slurm is a workload manager in the HPC space, this is a start on this,
and there may be further additions in the future.

Signed-off-by: Arif Ali <[email protected]>

sos/report/plugins/slurm.py

@@ -0,0 +1,128 @@
+# This file is part of the sos project: https://github.com/sosreport/sos
+#
+# This copyrighted material is made available to anyone wishing to use,
+# modify, copy, or redistribute it subject to the terms and conditions of
+# version 2 of the GNU General Public License.
+#
+# See the LICENSE file in the source distribution for further information.
+
+from sos.report.plugins import Plugin, UbuntuPlugin, RedHatPlugin
+from sos.utilities import is_executable
+
+
+class Slurm(Plugin, UbuntuPlugin, RedHatPlugin):
+
+    short_desc = "Slurm Workload Manager"
+
+    plugin_name = 'slurm'
+    profiles = ('hpc',)
+    packages = (
+        # Ubuntu
+        'slurm-wlm',
+        'slurmd',
+        'slurmdbd',
+        'slurmctld',
+        # EL
+        'slurm',
+        'slurm-slurmctld',
+        'slurm-slurmd',
+        'slurm-slurmdbd',
+    )
+    services = (
+        'slurmd',
+        'slurmdbd',
+        'slurmctld',
+    )
+
+    def setup(self):
+        """ Slurm Workload Manager
+        """
+
+        self.add_copy_spec('/etc/slurm/*.conf')
+
+        if is_executable('sinfo'):
+            self.add_cmd_output([
+                'sinfo --all --list-reasons --long',
+                'sinfo --all --long',
+            ])
+
+        if is_executable('squeue'):
+            self.add_cmd_output([
+                'squeue --all --long',
+            ])
+
+        scontrol_cmds = [
+            'aliases',
+            'assoc_mgr',
+            'bbstat',
+            'burstBuffer',
+            'config',
+            'daemons',
+            'dwstat',
+            'federation',
+            'frontend',
+            'job',
+            'licenses',
+            'node',
+            'partition',
+            'reservation',
+            'slurmd',
+            'step',
+            'topology',
+        ]
+
+        if is_executable('scontrol'):
+            self.add_cmd_output(
+                [f"scontrol show {i}" for i in scontrol_cmds]
+            )
+
+        config_file = '/etc/slurm/slurm.conf'
+
+        slurmd_log_file = '/var/log/slurmd.log'
+        slurmctld_log_file = '/var/log/slurmctld.log'
+
+        try:
+            with open(config_file, 'r') as cf:
+                for line in cf.read().splitlines():
+                    if not line:
+                        continue
+                    words = line.split('=')
+                    if words[0].strip() == 'SlurmdLogFile':
+                        slurmd_log_file = words[1].strip()
+                    if words[0].strip() == 'SlurmctldLogFile':
+                        slurmctld_log_file = words[1].strip()
+        except IOError as error:
+            self._log_error('Could not open conf file %s: %s' %
+                            (config_file, error))
+
+        if not self.get_option("all_logs"):
+            self.add_copy_spec([
+                slurmd_log_file,
+                slurmctld_log_file,
+            ])
+        else:
+            self.add_copy_spec([
+                f"{slurmd_log_file}*",
+                f"{slurmctld_log_file}*",
+            ])
+
+    def postproc(self):
+        conf_paths = "/etc/slurm"
+
+        slurm_keys = [
+            'AccountingStoragePass',
+            'JobCompPass',
+        ]
+        slurm_keys_regex = r"(^\s*(%s)\s*=\s*)(.*)" % "|".join(slurm_keys)
+        slurmdbd_key_regex = r'(^\s*(StoragePass)\s*=\s*)(.*)'
+
+        sub = r'\1********'
+
+        self.do_file_sub(
+            f"{conf_paths}/slurm.conf",
+            slurm_keys_regex, sub
+        )
+        self.do_file_sub(
+            f"{conf_paths}/slurmdbd.conf",
+            slurmdbd_key_regex, sub
+        )