adding setting own image for network chaos (#883)

Signed-off-by: Paige Patton <prubenda@redhat.com>

krkn/scenario_plugins/native/native_scenario_plugin.py

@@ -1,6 +1,5 @@
 from krkn.scenario_plugins.abstract_scenario_plugin import AbstractScenarioPlugin
 from krkn.scenario_plugins.native.plugins import PLUGINS
-from krkn_lib.k8s.pods_monitor_pool import PodsMonitorPool
 from krkn_lib.models.telemetry import ScenarioTelemetry
 from krkn_lib.telemetry.ocp import KrknTelemetryOpenshift
 from typing import Any
@@ -28,7 +27,6 @@ class NativeScenarioPlugin(AbstractScenarioPlugin):
 
         except Exception as e:
             logging.error("NativeScenarioPlugin exiting due to Exception %s" % e)
-            pool.cancel()
             return 1
         else:
             return 0

krkn/scenario_plugins/native/network/ingress_shaping.py

@@ -28,6 +28,14 @@ class NetworkScenarioConfig:
         },
     )
 
+    image: typing.Annotated[str, validation.min(1)]= field(
+        default="quay.io/krkn-chaos/krkn:tools",
+        metadata={
+            "name": "Image",
+            "description": "Image of krkn tools to run"
+        }
+    )
+
     label_selector: typing.Annotated[
         typing.Optional[str], validation.required_if_not("node_interface_name")
     ] = field(
@@ -142,7 +150,7 @@ class NetworkScenarioErrorOutput:
     )
 
 
-def get_default_interface(node: str, pod_template, cli: CoreV1Api) -> str:
+def get_default_interface(node: str, pod_template, cli: CoreV1Api, image: str) -> str:
     """
     Function that returns a random interface from a node
 
@@ -161,7 +169,7 @@ def get_default_interface(node: str, pod_template, cli: CoreV1Api) -> str:
         Default interface (string) belonging to the node
     """
 
-    pod_body = yaml.safe_load(pod_template.render(nodename=node))
+    pod_body = yaml.safe_load(pod_template.render(nodename=node, image=image))
     logging.info("Creating pod to query interface on node %s" % node)
     kube_helper.create_pod(cli, pod_body, "default", 300)
 
@@ -189,7 +197,7 @@ def get_default_interface(node: str, pod_template, cli: CoreV1Api) -> str:
 
 
 def verify_interface(
-    input_interface_list: typing.List[str], node: str, pod_template, cli: CoreV1Api
+    input_interface_list: typing.List[str], node: str, pod_template, cli: CoreV1Api, image: str
 ) -> typing.List[str]:
     """
     Function that verifies whether a list of interfaces is present in the node.
@@ -212,7 +220,7 @@ def verify_interface(
     Returns:
         The interface list for the node
     """
-    pod_body = yaml.safe_load(pod_template.render(nodename=node))
+    pod_body = yaml.safe_load(pod_template.render(nodename=node, image=image))
     logging.info("Creating pod to query interface on node %s" % node)
     kube_helper.create_pod(cli, pod_body, "default", 300)
     try:
@@ -268,6 +276,7 @@ def get_node_interfaces(
     instance_count: int,
     pod_template,
     cli: CoreV1Api,
+    image: str
 ) -> typing.Dict[str, typing.List[str]]:
     """
     Function that is used to process the input dictionary with the nodes and
@@ -309,7 +318,7 @@ def get_node_interfaces(
         nodes = kube_helper.get_node(None, label_selector, instance_count, cli)
         node_interface_dict = {}
         for node in nodes:
-            node_interface_dict[node] = get_default_interface(node, pod_template, cli)
+            node_interface_dict[node] = get_default_interface(node, pod_template, cli, image)
     else:
         node_name_list = node_interface_dict.keys()
         filtered_node_list = []
@@ -321,7 +330,7 @@ def get_node_interfaces(
 
         for node in filtered_node_list:
             node_interface_dict[node] = verify_interface(
-                node_interface_dict[node], node, pod_template, cli
+                node_interface_dict[node], node, pod_template, cli, image
             )
 
     return node_interface_dict
@@ -337,6 +346,7 @@ def apply_ingress_filter(
     cli: CoreV1Api,
     create_interfaces: bool = True,
     param_selector: str = "all",
+    image:str = "quay.io/krkn-chaos/krkn:tools",
 ) -> str:
     """
     Function that applies the filters to shape incoming traffic to
@@ -382,14 +392,14 @@ def apply_ingress_filter(
         network_params = {param_selector: cfg.network_params[param_selector]}
 
     if create_interfaces:
-        create_virtual_interfaces(cli, interface_list, node, pod_template)
+        create_virtual_interfaces(cli, interface_list, node, pod_template, image)
 
     exec_cmd = get_ingress_cmd(
         interface_list, network_params, duration=cfg.test_duration
     )
     logging.info("Executing %s on node %s" % (exec_cmd, node))
     job_body = yaml.safe_load(
-        job_template.render(jobname=str(hash(node))[:5], nodename=node, cmd=exec_cmd)
+        job_template.render(jobname=str(hash(node))[:5], nodename=node, image=image, cmd=exec_cmd)
     )
     api_response = kube_helper.create_job(batch_cli, job_body)
 
@@ -400,7 +410,7 @@ def apply_ingress_filter(
 
 
 def create_virtual_interfaces(
-    cli: CoreV1Api, interface_list: typing.List[str], node: str, pod_template
+    cli: CoreV1Api, interface_list: typing.List[str], node: str, pod_template, image: str
 ) -> None:
     """
     Function that creates a privileged pod and uses it to create
@@ -421,7 +431,7 @@ def create_virtual_interfaces(
             - The YAML template used to instantiate a pod to create
               virtual interfaces on the node
     """
-    pod_body = yaml.safe_load(pod_template.render(nodename=node))
+    pod_body = yaml.safe_load(pod_template.render(nodename=node, image=image))
     kube_helper.create_pod(cli, pod_body, "default", 300)
     logging.info(
         "Creating {0} virtual interfaces on node {1} using a pod".format(
@@ -434,7 +444,7 @@ def create_virtual_interfaces(
 
 
 def delete_virtual_interfaces(
-    cli: CoreV1Api, node_list: typing.List[str], pod_template
+    cli: CoreV1Api, node_list: typing.List[str], pod_template, image: str
 ):
     """
     Function that creates a privileged pod and uses it to delete all
@@ -457,7 +467,7 @@ def delete_virtual_interfaces(
     """
 
     for node in node_list:
-        pod_body = yaml.safe_load(pod_template.render(nodename=node))
+        pod_body = yaml.safe_load(pod_template.render(nodename=node, image=image))
         kube_helper.create_pod(cli, pod_body, "default", 300)
         logging.info("Deleting all virtual interfaces on node {0}".format(node))
         delete_ifb(cli, "modtools")
@@ -700,7 +710,7 @@ def network_chaos(
     pod_interface_template = env.get_template("pod_interface.j2")
     pod_module_template = env.get_template("pod_module.j2")
     cli, batch_cli = kube_helper.setup_kubernetes(cfg.kubeconfig_path)
-
+    test_image = cfg.image
     logging.info("Starting Ingress Network Chaos")
     try:
         node_interface_dict = get_node_interfaces(
@@ -709,6 +719,7 @@ def network_chaos(
             cfg.instance_count,
             pod_interface_template,
             cli,
+            test_image
         )
     except Exception:
         return "error", NetworkScenarioErrorOutput(format_exc())
@@ -726,6 +737,7 @@ def network_chaos(
                         job_template,
                         batch_cli,
                         cli,
+                        test_image
                     )
                 )
             logging.info("Waiting for parallel job to finish")
@@ -746,6 +758,7 @@ def network_chaos(
                             cli,
                             create_interfaces=create_interfaces,
                             param_selector=param,
+                            image=test_image
                         )
                     )
                 logging.info("Waiting for serial job to finish")
@@ -772,6 +785,6 @@ def network_chaos(
         logging.error("Ingress Network Chaos exiting due to Exception - %s" % e)
         return "error", NetworkScenarioErrorOutput(format_exc())
     finally:
-        delete_virtual_interfaces(cli, node_interface_dict.keys(), pod_module_template)
+        delete_virtual_interfaces(cli, node_interface_dict.keys(), pod_module_template, test_image)
         logging.info("Deleting jobs(if any)")
         delete_jobs(cli, batch_cli, job_list[:])

krkn/scenario_plugins/native/network/job.j2

@@ -9,7 +9,7 @@ spec:
       hostNetwork: true
       containers:
       - name: networkchaos
-        image: quay.io/krkn-chaos/krkn:tools
+        image: {{image}}
         command: ["/bin/sh",  "-c", "{{cmd}}"]
         securityContext:
           privileged: true

krkn/scenario_plugins/native/network/pod_interface.j2

@@ -7,7 +7,7 @@ spec:
   nodeName: {{nodename}}
   containers:
   - name: fedtools
-    image: quay.io/krkn-chaos/krkn:tools
+    image: {{image}}
     command:
     - /bin/sh
     - -c

krkn/scenario_plugins/native/network/pod_module.j2

@@ -6,7 +6,7 @@ spec:
   nodeName: {{nodename}}
   containers:
   - name: modtools
-    image: quay.io/krkn-chaos/krkn:tools
+    image: {{image}}
     imagePullPolicy: IfNotPresent
     command:
     - /bin/sh

krkn/scenario_plugins/native/pod_network_outage/job.j2

@@ -9,7 +9,7 @@ spec:
       hostNetwork: true
       containers:
       - name: networkchaos
-        image: quay.io/krkn-chaos/krkn:tools
+        image: {{image}}
         command: ["chroot", "/host", "/bin/sh",  "-c", "{{cmd}}"]
         securityContext:
           privileged: true

krkn/scenario_plugins/native/pod_network_outage/pod_module.j2

@@ -6,7 +6,7 @@ spec:
   nodeName: {{nodename}}
   containers:
   - name: modtools
-    image: quay.io/krkn-chaos/krkn:tools
+    image: {{image}}
     imagePullPolicy: IfNotPresent
     command:
     - /bin/sh

krkn/scenario_plugins/native/pod_network_outage/pod_network_outage_plugin.py

@@ -192,6 +192,7 @@ def apply_outage_policy(
     duration: str,
     bridge_name: str,
     kubecli: KrknKubernetes,
+    image: str
 ) -> typing.List[str]:
     """
     Function that applies filters(ingress or egress) to block traffic.
@@ -223,6 +224,8 @@ def apply_outage_policy(
         batch_cli (BatchV1Api)
             - Object to interact with Kubernetes Python client's BatchV1Api API
 
+        image (string)
+            - Image of network chaos tool
     Returns:
         The name of the job created that executes the commands on a node
         for ingress chaos scenario
@@ -239,7 +242,7 @@ def apply_outage_policy(
         br = "br-int"
         table = 8
     for node, ips in node_dict.items():
-        while len(check_cookie(node, pod_template, br, cookie, kubecli)) > 2 or cookie in cookie_list:
+        while len(check_cookie(node, pod_template, br, cookie, kubecli, image)) > 2 or cookie in cookie_list:
             cookie = random.randint(100, 10000)
         exec_cmd = ""
         for ip in ips:
@@ -257,6 +260,7 @@ def apply_outage_policy(
             job_template.render(
                 jobname=str(hash(node))[:5] + str(random.randint(0, 10000)),
                 nodename=node,
+                image=image,
                 cmd=exec_cmd,
             )
         )
@@ -281,6 +285,7 @@ def apply_ingress_policy(
     bridge_name: str,
     kubecli: KrknKubernetes,
     test_execution: str,
+    image: str,
 ) -> typing.List[str]:
     """
     Function that applies ingress traffic shaping to pod interface.
@@ -327,22 +332,23 @@ def apply_ingress_policy(
     job_list = []
     yml_list = []
 
-    create_virtual_interfaces(kubecli, len(ips), node, pod_template)
+    create_virtual_interfaces(kubecli, len(ips), node, pod_template, image)
 
     for count, pod_ip in enumerate(set(ips)):
-        pod_inf = get_pod_interface(node, pod_ip, pod_template, bridge_name, kubecli)
+        pod_inf = get_pod_interface(node, pod_ip, pod_template, bridge_name, kubecli, image)
         exec_cmd = get_ingress_cmd(
             test_execution, pod_inf, mod, count, network_params, duration
         )
         logging.info("Executing %s on pod %s in node %s" % (exec_cmd, pod_ip, node))
         job_body = yaml.safe_load(
-            job_template.render(jobname=mod + str(pod_ip), nodename=node, cmd=exec_cmd)
+            job_template.render(jobname=mod + str(pod_ip), nodename=node, image=image, cmd=exec_cmd)
         )
         yml_list.append(job_body)
         if pod_ip == node:
             break
 
     for job_body in yml_list:
+        print('jbo body' + str(job_body))
         api_response = kubecli.create_job(job_body)
         if api_response is None:
             raise Exception("Error creating job")
@@ -362,6 +368,7 @@ def apply_net_policy(
     bridge_name: str,
     kubecli: KrknKubernetes,
     test_execution: str,
+    image: str, 
 ) -> typing.List[str]:
     """
     Function that applies egress traffic shaping to pod interface.
@@ -415,7 +422,7 @@ def apply_net_policy(
         )
         logging.info("Executing %s on pod %s in node %s" % (exec_cmd, pod_ip, node))
         job_body = yaml.safe_load(
-            job_template.render(jobname=mod + str(pod_ip), nodename=node, cmd=exec_cmd)
+            job_template.render(jobname=mod + str(pod_ip), nodename=node, image=image, cmd=exec_cmd)
         )
         yml_list.append(job_body)
 
@@ -530,7 +537,7 @@ def get_egress_cmd(
 
 
 def create_virtual_interfaces(
-    kubecli: KrknKubernetes, nummber: int, node: str, pod_template
+    kubecli: KrknKubernetes, nummber: int, node: str, pod_template, image: str, 
 ) -> None:
     """
     Function that creates a privileged pod and uses it to create
@@ -550,8 +557,11 @@ def create_virtual_interfaces(
         pod_template (jinja2.environment.Template))
             - The YAML template used to instantiate a pod to create
               virtual interfaces on the node
+
+        image (string)
+            - Image of network chaos tool
     """
-    pod_body = yaml.safe_load(pod_template.render(nodename=node))
+    pod_body = yaml.safe_load(pod_template.render(nodename=node, image=image))
     kubecli.create_pod(pod_body, "default", 300)
     logging.info(
         "Creating {0} virtual interfaces on node {1} using a pod".format(nummber, node)
@@ -562,7 +572,7 @@ def create_virtual_interfaces(
 
 
 def delete_virtual_interfaces(
-    kubecli: KrknKubernetes, node_list: typing.List[str], pod_template
+    kubecli: KrknKubernetes, node_list: typing.List[str], pod_template, image: str, 
 ):
     """
     Function that creates a privileged pod and uses it to delete all
@@ -582,10 +592,13 @@ def delete_virtual_interfaces(
         pod_template (jinja2.environment.Template))
             - The YAML template used to instantiate a pod to delete
               virtual interfaces on the node
+        
+        image (string)
+            - Image of network chaos tool
     """
 
     for node in node_list:
-        pod_body = yaml.safe_load(pod_template.render(nodename=node))
+        pod_body = yaml.safe_load(pod_template.render(nodename=node, image=image))
         kubecli.create_pod(pod_body, "default", 300)
         logging.info("Deleting all virtual interfaces on node {0}".format(node))
         delete_ifb(kubecli, "modtools")
@@ -619,7 +632,7 @@ def delete_ifb(kubecli: KrknKubernetes, pod_name: str):
     kubecli.exec_cmd_in_pod(exec_command, pod_name, "default", base_command="chroot")
 
 
-def list_bridges(node: str, pod_template, kubecli: KrknKubernetes) -> typing.List[str]:
+def list_bridges(node: str, pod_template, kubecli: KrknKubernetes, image: str) -> typing.List[str]:
     """
     Function that returns a list of bridges on the node
 
@@ -634,11 +647,13 @@ def list_bridges(node: str, pod_template, kubecli: KrknKubernetes) -> typing.Lis
         kubecli (KrknKubernetes)
             - Object to interact with Kubernetes Python client
 
+        image (string)
+            - Image of network chaos tool
     Returns:
         List of bridges on the node.
     """
 
-    pod_body = yaml.safe_load(pod_template.render(nodename=node))
+    pod_body = yaml.safe_load(pod_template.render(nodename=node, image=image))
     logging.info("Creating pod to query bridge on node %s" % node)
     kubecli.create_pod(pod_body, "default", 300)
 
@@ -662,7 +677,7 @@ def list_bridges(node: str, pod_template, kubecli: KrknKubernetes) -> typing.Lis
 
 
 def check_cookie(
-    node: str, pod_template, br_name, cookie, kubecli: KrknKubernetes
+    node: str, pod_template, br_name, cookie, kubecli: KrknKubernetes, image: str
 ) -> str:
     """
     Function to check for matching flow rules
@@ -684,11 +699,13 @@ def check_cookie(
         cli (CoreV1Api)
             - Object to interact with Kubernetes Python client's CoreV1 API
 
+        image (string)
+            - Image of network chaos tool
     Returns
         Returns the matching flow rules
     """
 
-    pod_body = yaml.safe_load(pod_template.render(nodename=node))
+    pod_body = yaml.safe_load(pod_template.render(nodename=node, image=image))
     logging.info("Creating pod to query duplicate rules on node %s" % node)
     kubecli.create_pod(pod_body, "default", 300)
 
@@ -721,7 +738,7 @@ def check_cookie(
 
 
 def get_pod_interface(
-    node: str, ip: str, pod_template, br_name, kubecli: KrknKubernetes
+    node: str, ip: str, pod_template, br_name, kubecli: KrknKubernetes, image: str = "quay.io/krkn-chaos/krkn:tools"
 ) -> str:
     """
     Function to query the pod interface on a node
@@ -747,7 +764,7 @@ def get_pod_interface(
         Returns the pod interface name
     """
 
-    pod_body = yaml.safe_load(pod_template.render(nodename=node))
+    pod_body = yaml.safe_load(pod_template.render(nodename=node, image=image))
     logging.info("Creating pod to query pod interface on node %s" % node)
     kubecli.create_pod(pod_body, "default", 300)
     inf = ""
@@ -788,7 +805,8 @@ def get_pod_interface(
 
 
 def check_bridge_interface(
-    node_name: str, pod_template, bridge_name: str, kubecli: KrknKubernetes
+    node_name: str, pod_template, bridge_name: str, kubecli: KrknKubernetes,
+    image: str = "quay.io/krkn-chaos/krkn:tools"
 ) -> bool:
     """
     Function  is used to check if the required OVS or OVN bridge is found in
@@ -814,7 +832,7 @@ def check_bridge_interface(
     nodes = kubecli.get_node(node_name, None, 1)
     node_bridge = []
     for node in nodes:
-        node_bridge = list_bridges(node, pod_template, kubecli)
+        node_bridge = list_bridges(node, pod_template, kubecli, image=image)
     if bridge_name not in node_bridge:
         raise Exception(f"OVS bridge {bridge_name} not found on the node ")
 
@@ -835,6 +853,14 @@ class InputParams:
         }
     )
 
+    image: typing.Annotated[str, validation.min(1)]= field(
+        default="quay.io/krkn-chaos/krkn:tools",
+        metadata={
+            "name": "Image",
+            "description": "Image of krkn tools to run"
+        }
+    )
+
     direction: typing.List[str] = field(
         default_factory=lambda: ["ingress", "egress"],
         metadata={
@@ -1004,6 +1030,7 @@ def pod_outage(
     test_namespace = params.namespace
     test_label_selector = params.label_selector
     test_pod_name = params.pod_name
+    test_image = params.image
     filter_dict = {}
     job_list = []
     publish = False
@@ -1040,7 +1067,7 @@ def pod_outage(
                 label_set.add("%s=%s" % (key, value))
 
         check_bridge_interface(
-            list(node_dict.keys())[0], pod_module_template, br_name, kubecli
+            list(node_dict.keys())[0], pod_module_template, br_name, kubecli, test_image
         )
 
         for direction, ports in filter_dict.items():
@@ -1055,6 +1082,7 @@ def pod_outage(
                     params.test_duration,
                     br_name,
                     kubecli,
+                    test_image
                 )
             )
 
@@ -1095,7 +1123,16 @@ class EgressParams:
         }
     )
 
+    image: typing.Annotated[str, validation.min(1)]= field(
+        default="quay.io/krkn-chaos/krkn:tools",
+        metadata={
+            "name": "Image",
+            "description": "Image of krkn tools to run"
+        }
+    )
+
     network_params: typing.Dict[str, str] = field(
+        default=None,
         metadata={
             "name": "Network Parameters",
             "description": "The network filters that are applied on the interface. "
@@ -1254,6 +1291,7 @@ def pod_egress_shaping(
     test_namespace = params.namespace
     test_label_selector = params.label_selector
     test_pod_name = params.pod_name
+    test_image = params.image
     job_list = []
     publish = False
 
@@ -1287,7 +1325,7 @@ def pod_egress_shaping(
                 label_set.add("%s=%s" % (key, value))
 
         check_bridge_interface(
-            list(node_dict.keys())[0], pod_module_template, br_name, kubecli
+            list(node_dict.keys())[0], pod_module_template, br_name, kubecli, test_image
         )
 
         for mod in mod_lst:
@@ -1304,6 +1342,7 @@ def pod_egress_shaping(
                         br_name,
                         kubecli,
                         params.execution_type,
+                        test_image
                     )
                 )
             if params.execution_type == "serial":
@@ -1357,8 +1396,17 @@ class IngressParams:
             "for details.",
         }
     )
+    
+    image: typing.Annotated[str, validation.min(1)] = field(
+        default="quay.io/krkn-chaos/krkn:tools",
+        metadata={
+            "name": "Image",
+            "description": "Image to use for injecting network chaos",
+        }
+    )
 
     network_params: typing.Dict[str, str] = field(
+        default=None,
         metadata={
             "name": "Network Parameters",
             "description": "The network filters that are applied on the interface. "
@@ -1518,6 +1566,7 @@ def pod_ingress_shaping(
     test_namespace = params.namespace
     test_label_selector = params.label_selector
     test_pod_name = params.pod_name
+    test_image = params.image
     job_list = []
     publish = False
 
@@ -1551,7 +1600,7 @@ def pod_ingress_shaping(
                 label_set.add("%s=%s" % (key, value))
 
         check_bridge_interface(
-            list(node_dict.keys())[0], pod_module_template, br_name, kubecli
+            list(node_dict.keys())[0], pod_module_template, br_name, kubecli, test_image
         )
 
         for mod in mod_lst:
@@ -1568,6 +1617,7 @@ def pod_ingress_shaping(
                         br_name,
                         kubecli,
                         params.execution_type,
+                        image=test_image
                     )
                 )
             if params.execution_type == "serial":
@@ -1604,6 +1654,6 @@ def pod_ingress_shaping(
         logging.error("Pod network Shaping scenario exiting due to Exception - %s" % e)
         return "error", PodIngressNetShapingErrorOutput(format_exc())
     finally:
-        delete_virtual_interfaces(kubecli, node_dict.keys(), pod_module_template)
+        delete_virtual_interfaces(kubecli, node_dict.keys(), pod_module_template, test_image)
         logging.info("Deleting jobs(if any)")
         delete_jobs(kubecli, job_list[:])

krkn/scenario_plugins/network_chaos/job.j2

@@ -9,7 +9,7 @@ spec:
       hostNetwork: true
       containers:
       - name: networkchaos
-        image: quay.io/krkn-chaos/krkn:tools
+        image: {{image}}
         command: ["/bin/sh",  "-c", "{{cmd}}"]
         securityContext:
           privileged: true

krkn/scenario_plugins/network_chaos/network_chaos_scenario_plugin.py

@@ -42,7 +42,9 @@ class NetworkChaosScenarioPlugin(AbstractScenarioPlugin):
                 test_egress = get_yaml_item_value(
                     test_dict, "egress", {"bandwidth": "100mbit"}
                 )
-
+                test_image = get_yaml_item_value(
+                    test_dict, "image", "quay.io/krkn-chaos/krkn:tools"
+                )
                 if test_node:
                     node_name_list = test_node.split(",")
                     nodelst = common_node_functions.get_node_by_name(node_name_list, lib_telemetry.get_lib_kubernetes())
@@ -60,6 +62,7 @@ class NetworkChaosScenarioPlugin(AbstractScenarioPlugin):
                     nodelst,
                     pod_template,
                     lib_telemetry.get_lib_kubernetes(),
+                    image=test_image
                 )
                 joblst = []
                 egress_lst = [i for i in param_lst if i in test_egress]
@@ -71,6 +74,7 @@ class NetworkChaosScenarioPlugin(AbstractScenarioPlugin):
                         "execution": test_execution,
                         "instance_count": test_instance_count,
                         "egress": test_egress,
+                        "image": test_image
                     }
                 }
                 logging.info(
@@ -94,6 +98,7 @@ class NetworkChaosScenarioPlugin(AbstractScenarioPlugin):
                                     jobname=i + str(hash(node))[:5],
                                     nodename=node,
                                     cmd=exec_cmd,
+                                    image=test_image
                                 )
                             )
                             joblst.append(job_body["metadata"]["name"])
@@ -153,10 +158,10 @@ class NetworkChaosScenarioPlugin(AbstractScenarioPlugin):
             return 0
 
     def verify_interface(
-        self, test_interface, nodelst, template, kubecli: KrknKubernetes
+        self, test_interface, nodelst, template, kubecli: KrknKubernetes, image: str
     ):
         pod_index = random.randint(0, len(nodelst) - 1)
-        pod_body = yaml.safe_load(template.render(nodename=nodelst[pod_index]))
+        pod_body = yaml.safe_load(template.render(nodename=nodelst[pod_index], image=image))
         logging.info("Creating pod to query interface on node %s" % nodelst[pod_index])
         kubecli.create_pod(pod_body, "default", 300)
         try:
@@ -177,7 +182,7 @@ class NetworkChaosScenarioPlugin(AbstractScenarioPlugin):
                         raise RuntimeError()
             return test_interface
         finally:
-            logging.info("Deleteing pod to query interface on node")
+            logging.info("Deleting pod to query interface on node")
             kubecli.delete_pod("fedtools", "default")
 
     # krkn_lib

krkn/scenario_plugins/network_chaos/pod.j2

@@ -7,7 +7,7 @@ spec:
   nodeName: {{nodename}}
   containers:
   - name: fedtools
-    image: quay.io/krkn-chaos/krkn:tools
+    image: {{image}}
     command:
     - /bin/sh
     - -c