fix: close SQLite connections before early exits in docker-stats, podman-stats, fortios-network-io

Author: markuslf

check-plugins/docker-stats/docker-stats

@@ -22,7 +22,7 @@ import lib.txt
 from lib.globals import STATE_CRIT, STATE_OK, STATE_UNKNOWN, STATE_WARN
 
 __author__ = 'Linuxfabrik GmbH, Zurich/Switzerland'
-__version__ = '2026040803'
+__version__ = '2026041002'
 
 DESCRIPTION = """Reports CPU and memory usage for all running Docker containers. CPU usage is
 normalized by dividing by the number of available host CPU cores. CPU alerts only
@@ -170,8 +170,10 @@ def main():
             lib.shell.shell_exec('docker info'),
         )
         if retc != 0:
+            lib.db_sqlite.close(conn)
             lib.base.oao(f'{stderr}\n{stdout}', STATE_CRIT)
         if 'server version:' not in stdout.lower():
+            lib.db_sqlite.close(conn)
             lib.base.cu(
                 'Unable to parse docker info output.'
                 ' If you are using Podman, use the podman-stats check instead.'
@@ -185,6 +187,7 @@ def main():
             lib.shell.shell_exec('docker stats --no-stream'),
         )
         if retc != 0:
+            lib.db_sqlite.close(conn)
             lib.base.oao(stderr, STATE_CRIT)
     else:
         # do not call the command, put in test data

check-plugins/fortios-network-io/fortios-network-io

@@ -23,7 +23,7 @@ import lib.url
 from lib.globals import STATE_CRIT, STATE_OK, STATE_UNKNOWN, STATE_WARN
 
 __author__ = 'Linuxfabrik GmbH, Zurich/Switzerland'
-__version__ = '2026040801'
+__version__ = '2026041002'
 
 DESCRIPTION = """Monitors network I/O and link states on all interfaces of FortiGate appliances running FortiOS via the REST API. Alerts only if bandwidth thresholds have been exceeded for a configurable number of consecutive check runs (default: 5), suppressing short spikes. Reports per-interface traffic counters, error rates, and link status."""
 
@@ -278,6 +278,7 @@ def main():
         )
     )
     if not loads:
+        lib.db_sqlite.close(conn)
         lib.base.oao('Waiting for more data.', STATE_OK)
 
     msg_saturation = ''
@@ -382,6 +383,8 @@ def main():
         ],
     )
 
+    lib.db_sqlite.close(conn)
+
     # over and out
     if not msg_link and not msg_saturation:
         # no warnings, so print the interface with the highest load

check-plugins/podman-stats/podman-stats

@@ -22,7 +22,7 @@ import lib.shell
 from lib.globals import STATE_CRIT, STATE_OK, STATE_UNKNOWN, STATE_WARN
 
 __author__ = 'Linuxfabrik GmbH, Zurich/Switzerland'
-__version__ = '2026040802'
+__version__ = '2026041002'
 
 DESCRIPTION = """Reports CPU and memory usage for all running Podman containers. CPU usage is
 normalized by dividing by the number of available host CPU cores. CPU alerts only
@@ -170,20 +170,23 @@ def main():
             lib.shell.shell_exec('podman info --format json'),
         )
         if retc != 0:
+            lib.db_sqlite.close(conn)
             lib.base.oao(f'{stderr}\n{stdout}', STATE_CRIT)
         try:
             podman_info = json.loads(stdout)
             host_cpus = podman_info['host']['cpus']
             host_images = podman_info['store']['imageStore']['number']
             host_ram = podman_info['host']['memTotal']
         except Exception:
+            lib.db_sqlite.close(conn)
             lib.base.cu('Unable to parse podman info output as JSON.')
 
         # get the container statistics for all running containers
         stdout, stderr, retc = lib.base.coe(
             lib.shell.shell_exec("podman stats --no-stream --format '{{json .}}'"),
         )
         if retc != 0:
+            lib.db_sqlite.close(conn)
             lib.base.oao(stderr, STATE_CRIT)
     else:
         # do not call the command, put in test data