do not report for known broken containers_ munin graphs (#68434)

prometheus-entrouvert-exporter/prometheus-system-exporter.py

@@ -55,6 +55,7 @@ eo_units = Gauge("eo_units", "systemd units", ["ctn", "name", "state"], registry
 eo_packages = Gauge("eo_packages", "packages", ["ctn", "state"], registry=registry)
 eo_kernel = Gauge("eo_kernel", "kernel update", ["ctn"], registry=registry)
 
+
 def run(cmd):
     m = shlex.split(cmd)
     p = subprocess.Popen(m, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
@@ -148,7 +149,13 @@ def munin(ctn):
     for filename in ["/var/log/munin/munin-node.log", "/var/log/munin/munin-node.log.1"]:
         if os.path.isfile(filename):
             count += len(
-                [x for x in open(filename).readlines() if x > since_str and "exited with status" in x]
+                [
+                    x
+                    for x in open(filename).readlines()
+                    if x > since_str and "exited with status" in x
+                    # do not report for known broken graphs
+                    and not ("containers_cpu" in x or "containers_io" in x or "containers_memory" in x)
+                ]
             )
     eo_munin.labels(ctn, "errors").set(count)
 
@@ -302,9 +309,10 @@ def check_kernel_version(ctn):
             if line != b"Version: " + current_version_extract.encode("ascii"):
                 eo_kernel.labels(ctn).set(1)
                 return
-            break    
+            break
     eo_kernel.labels(ctn).set(0)
 
+
 if __name__ == "__main__":
     parser = argparse.ArgumentParser()
     parser.add_argument("--test", action="store_true", help="raise errors")