Add tc image env in experiments of netwrok chaos (#275)

Signed-off-by: Udit Gaurav <uditgaurav@gmail.com>

charts/generic/pod-network-corruption/ansible/experiment.yaml

@@ -47,6 +47,9 @@ spec:
     - name: LIB_IMAGE
       value: 'gaiaadm/pumba:0.6.5' 
 
+    - name: TC_IMAGE
+      value: 'gaiadocker/iproute2'
+      
     - name: NETWORK_INTERFACE
       value: 'eth0'
 

charts/generic/pod-network-latency/ansible/experiment.yaml

@@ -43,6 +43,9 @@ spec:
     - name: TARGET_CONTAINER
       value: ''
 
+    - name: TC_IMAGE
+      value: 'gaiadocker/iproute2'
+      
     - name: NETWORK_INTERFACE
       value: 'eth0'
 

charts/generic/pod-network-loss/ansible/experiment.yaml

@@ -47,6 +47,9 @@ spec:
     - name: LIB_IMAGE
       value: 'gaiaadm/pumba:0.6.5' 
 
+    - name: TC_IMAGE
+      value: 'gaiadocker/iproute2'
+      
     - name: NETWORK_INTERFACE
       value: 'eth0'