Merge branch 'rybushkindmitry-task--add-sysctls-feature'

Author: razvancrainea

docs/tasks.md

@@ -123,6 +123,8 @@ with the `bind` and `mode` keys, otherwise an exception is raised.
 * `extra_hosts`: a dictionary of additional hosts that should be added to the
 container's `/etc/hosts` file; the keys are the hostnames, and the values
 are the IP addresses;
+* `sysctls`: a dictionary of kernel sysctl parameters to add to the container;
+keys are the names of the kernel parameters and values are their values;
 
 You can find the specific settings for each task type in their corresponding
 file in the  [tasks](tasks) directory.

sipssert/task.py

@@ -58,6 +58,7 @@ def __init__(self, test_dir, configuration):
         self.healthcheck = self.config.get("healthcheck", {"test": []})
         self.checklogs = self.get_checklogs()
         self.extra_hosts = self.config.get("extra_hosts", {})
+        self.sysctls = self.config.get("sysctls", {})
         self.deps = dependencies.parse_dependencies(self.config.get("require"))
         # keep this for backwards compatibility
         self.delay_start = self.config.get("delay_start", 0)
@@ -169,7 +170,8 @@ def create(self, controller, prefix=None):
                            'environment': env,
                            'stop_signal': self.stop_signal,
                            'network_mode': self.host_network,
-                           'extra_hosts': self.extra_hosts
+                           'extra_hosts': self.extra_hosts,
+                           'sysctls': self.sysctls
                           }
 
         self.log.info("container {} prepared".format(self.container_name))