adding syn-flood image

docker-compose.yaml

@@ -89,3 +89,8 @@ services:
         context: ./
         dockerfile: ./service-hijacking/Dockerfile
       image: quay.io/krkn-chaos/krkn-hub:service-hijacking
+    syn-flood:
+      build:
+        context: ./
+        dockerfile: ./syn-flood/Dockerfile
+      image: quay.io/krkn-chaos/krkn-hub:syn-flood

syn-flood/Dockerfile.template

@@ -1,14 +1,15 @@
 # Dockerfile for kraken
 
-#FROM quay.io/krkn-chaos/krkn:latest
-FROM quay.io/rh_ee_tsebasti/krkn:syn
+FROM quay.io/krkn-chaos/krkn:latest
+
 ENV KUBECONFIG /home/krkn/.kube/config
 
 # Copy configurations
-COPY metrics_config.yaml.template /home/krkn/kraken/config/kube_burner.yaml.template
+
 COPY config.yaml.template /home/krkn/kraken/config/config.yaml.template
 COPY syn-flood/env.sh /home/krkn/env.sh
 COPY syn-flood/build_config_file.py /home/krkn/build_config_file.py
+COPY syn-flood/syn-flood.yaml.template /home/krkn/kraken/scenarios/syn-flood.yaml.template
 COPY env.sh /home/krkn/main_env.sh
 COPY syn-flood/run.sh /home/krkn/run.sh
 COPY common_run.sh /home/krkn/common_run.sh

syn-flood/env.sh

@@ -1,15 +1,14 @@
 #!/bin/bash
-export SCENARIO_CONFIG_FILE="$KRAKEN_FOLDER/scenarios/kube/syn_flood_config.yaml"
 export PACKET_SIZE=${PACKET_SIZE:="120"}
 export WINDOW_SIZE=${WINDOW_SIZE:="64"}
 export TOTAL_CHAOS_DURATION=${TOTAL_CHAOS_DURATION:="120"}
 export NAMESPACE=${NAMESPACE:="default"}
-export TARGET_SERVICE=${TARGET_SERVICE}
-export TARGET_PORT=${TARGET_PORT}
-export TARGET_SERVICE_LABEL=${TARGET_SERVICE_LABEL}
+export TARGET_SERVICE=${TARGET_SERVICE:=""}
+export TARGET_PORT=${TARGET_PORT:=443}
+export TARGET_SERVICE_LABEL=${TARGET_SERVICE_LABEL:=""}
 export NUMBER_OF_PODS=${NUMBER_OF_PODS:="2"}
 export IMAGE=${IMAGE:="quay.io/krkn-chaos/krkn-syn-flood"}
 export NODE_SELECTORS=${NODE_SELECTORS:=""}
 
 export SCENARIO_TYPE=${SCENARIO_TYPE:=syn_flood_scenarios}
-export SCENARIO_FILE=${SCENARIO_FILE:=$SCENARIO_CONFIG_FILE}
+export SCENARIO_FILE=${SCENARIO_FILE:="$KRAKEN_FOLDER/scenarios/syn-flood.yaml"}

syn-flood/run.sh

@@ -13,10 +13,13 @@ source $ROOT_FOLDER/env.sh
 source $ROOT_FOLDER/common_run.sh
 
 # Substitute config with environment vars defined
+envsubst < $KRAKEN_FOLDER/scenarios/syn-flood.yaml.template > $KRAKEN_FOLDER/scenarios/syn-flood.yaml
 envsubst < $KRAKEN_FOLDER/config/config.yaml.template > $KRAKEN_FOLDER/config/syn_flood_config.yaml
 
+cat $KRAKEN_FOLDER/config/syn_flood_config.yaml
+cat $KRAKEN_FOLDER/scenarios/syn-flood.yaml
+
 checks
-config_setup
 
 # Run Kraken
 cd $KRAKEN_FOLDER

syn-flood/syn-flood.yaml.template

@@ -0,0 +1,16 @@
+packet-size: ${PACKET_SIZE}
+window-size: ${WINDOW_SIZE} # hping 3 TCP window size
+duration: ${TOTAL_CHAOS_DURATION} # chaos scenario duration
+namespace: ${NAMESPACE} # namespace where the target service(s) are deployed
+target-service: ${TARGET_SERVICE} # target service name (if set target-service-label must be empty)
+target-port: ${TARGET_PORT} # target service TCP port
+target-service-label : ${TARGET_SERVICE_LABEL} # target service label, can be used to target multiple target at the same time
+                          # if they have the same label set (if set target-service must be empty)
+number-of-pods: ${NUMBER_OF_PODS} # number of attacker pod instantiated per each target
+image: quay.io/krkn-chaos/krkn-syn-flood:v1.0.0 # syn flood attacker container image
+attacker-nodes:                       # this will set the node affinity to schedule the attacker node. Per each node label selector
+    node-role.kubernetes.io/worker:   # can be specified multiple values in this way the kube scheduler will schedule the attacker pods
+      - ""                            # in the best way possible based on the provided labels. Multiple labels can be specified
+                                      # set empty value  `attacker-nodes: {}`  to let kubernetes schedule the pods
+
+