i_host capabilities column cleaning

This change adds a new activate script to cleaning old information
from capabilities column from i_host table.

To allow the usage of Kubernetes Power Manager StarlingX app, the
information of minimum and maximum allowed frequency, and cstates
available were stored in capabilities column for each node (i_host
table).

Due to a new approach, information is stored in specific columns
for each parameter. To avoid residual information in the capabilities
column, during the information migration process, the script removes
such parameters from the column.

Test Plan:
PASS: capabilities column cleaned (target information was removed)
PASS: script successfully skipped in other action steps

Story: 2011069
Task: 49822

Change-Id: Ifc955ecdb0c2a5b47c0dadbda083811fd2456b05
Signed-off-by: Eduardo Juliano Alberti <eduardo.alberti@windriver.com>

controllerconfig/controllerconfig/upgrade-scripts/94-capabilities-column-cleaning.py

@@ -0,0 +1,87 @@
+#!/usr/bin/python
+# Copyright (c) 2024 Wind River Systems, Inc.
+#
+# SPDX-License-Identifier: Apache-2.0
+#
+# This script is responsible for cleaning the capabilities column of i_host
+# sysinv table, removing information used on old audit report of cstates
+# min and max frequency.
+
+import json
+import sys
+
+from psycopg2.extras import RealDictCursor
+import psycopg2
+
+from controllerconfig.common import log
+from sysinv.common import constants
+
+LOG = log.get_logger(__name__)
+
+
+def main():
+    action = None
+    from_release = None
+    to_release = None  # noqa
+    arg = 1
+    while arg < len(sys.argv):
+        if arg == 1:
+            from_release = sys.argv[arg]
+        elif arg == 2:
+            to_release = sys.argv[arg]  # noqa
+        elif arg == 3:
+            action = sys.argv[arg]
+        elif arg == 4:
+            # optional port parameter for USM upgrade
+            # port = sys.argv[arg]
+            pass
+        else:
+            print(f"Invalid option {sys.argv[arg]}.")
+            return 1
+        arg += 1
+
+    log.configure()
+
+    if from_release == "22.12" and action == "migrate":
+        try:
+            LOG.info("removing min_cpu_mhz_allowed, max_cpu_mhz_allowed, and "
+                     "cstates_available information from capabilities column, "
+                     f"from the release {from_release} to {to_release} with "
+                     f"action: {action}")
+            remove_cstates_and_frequency_info()
+        except Exception as ex:
+            LOG.exception(ex)
+            print(ex)
+            return 1
+
+
+def remove_cstates_and_frequency_info():
+    """This function removes the information of cstates, min and max frequency
+    from the capabilities column.
+    """
+
+    conn = psycopg2.connect("dbname='sysinv' user='postgres'")
+    with conn:
+        with conn.cursor(cursor_factory=RealDictCursor) as cur:
+            cur.execute("select uuid, capabilities from i_host;")
+            row = cur.fetchall()
+            if row is None:
+                LOG.exception("Failed to fetch i_host data")
+                raise
+
+            for record in row:
+                capabilities = json.loads(record['capabilities'])
+                # removing min, max and cstates information
+                capabilities.pop(constants.IHOST_CSTATES_AVAILABLE, None)
+                capabilities.pop(constants.IHOST_MAX_CPU_MHZ_ALLOWED, None)
+                capabilities.pop(constants.IHOST_MIN_CPU_MHZ_ALLOWED, None)
+
+                sqlcom = ("update i_host set "
+                          f"capabilities='{json.dumps(capabilities)}' "
+                          f"where uuid='{record['uuid']}'")
+                cur.execute(sqlcom)
+        conn.commit()
+
+
+if __name__ == "__main__":
+    sys.exit(main())