.github: use netcat to check port-forward success

Signed-off-by: devodev <[email protected]>

Author: devodev

Diff for: .github/workflows/eks-tunnel.yaml

@@ -158,11 +158,7 @@ jobs:
           # Port forward Relay
           cilium hubble port-forward&
           sleep 10s
-          if ! [[ $(pgrep -f "kubectl.*port-forward.*hubble-relay" | wc -l) == 1 ]]; then
-            # support for native port-forwarding
-            # TODO: remove kubectl version after 0.16.20 release
-            [[ $(pgrep -f "cilium.*hubble.*port-forward" | wc -l) == 1 ]]
-          fi
+          nc -nvz 127.0.0.1 4245
 
           # Run connectivity test
           cilium connectivity test --test-concurrency=3 --all-flows --collect-sysdump-on-failure --external-target amazon.com. \

Diff for: .github/workflows/eks.yaml

@@ -157,11 +157,7 @@ jobs:
           # Port forward Relay
           cilium hubble port-forward&
           sleep 10s
-          if ! [[ $(pgrep -f "kubectl.*port-forward.*hubble-relay" | wc -l) == 1 ]]; then
-            # support for native port-forwarding
-            # TODO: remove kubectl version after 0.16.20 release
-            [[ $(pgrep -f "cilium.*hubble.*port-forward" | wc -l) == 1 ]]
-          fi
+          nc -nvz 127.0.0.1 4245
 
           # Run connectivity test
           cilium connectivity test --test-concurrency=3 --all-flows --collect-sysdump-on-failure --external-target amazon.com.

Diff for: .github/workflows/gke.yaml

@@ -153,11 +153,7 @@ jobs:
           # Port forward Relay
           cilium hubble port-forward&
           sleep 10s
-          if ! [[ $(pgrep -f "kubectl.*port-forward.*hubble-relay" | wc -l) == 1 ]]; then
-            # support for native port-forwarding
-            # TODO: remove kubectl version after 0.16.20 release
-            [[ $(pgrep -f "cilium.*hubble.*port-forward" | wc -l) == 1 ]]
-          fi
+          nc -nvz 127.0.0.1 4245
 
           # Run connectivity test
           cilium connectivity test --test-concurrency=5 --all-flows --collect-sysdump-on-failure --external-target google.com.

Diff for: .github/workflows/kind.yaml

@@ -82,11 +82,7 @@ jobs:
         run: |
           cilium hubble port-forward&
           sleep 10s
-          if ! [[ $(pgrep -f "kubectl.*port-forward.*hubble-relay" | wc -l) == 1 ]]; then
-            # support for native port-forwarding
-            # TODO: remove kubectl version after 0.16.20 release
-            [[ $(pgrep -f "cilium.*hubble.*port-forward" | wc -l) == 1 ]]
-          fi
+          nc -nvz 127.0.0.1 4245
 
       - name: Set up external targets
         id: external_targets
@@ -164,11 +160,7 @@ jobs:
         run: |
           cilium hubble port-forward&
           sleep 10s
-          if ! [[ $(pgrep -f "kubectl.*port-forward.*hubble-relay" | wc -l) == 1 ]]; then
-            # support for native port-forwarding
-            # TODO: remove kubectl version after 0.16.20 release
-            [[ $(pgrep -f "cilium.*hubble.*port-forward" | wc -l) == 1 ]]
-          fi
+          nc -nvz 127.0.0.1 4245
 
       - name: Connectivity test
         run: |

Diff for: .github/workflows/multicluster.yaml

@@ -250,11 +250,7 @@ jobs:
           # Port forward Relay
           cilium --context "${{ steps.contexts.outputs.cluster1 }}" hubble port-forward&
           sleep 10s
-          if ! [[ $(pgrep -f "kubectl.*port-forward.*hubble-relay" | wc -l) == 1 ]]; then
-            # support for native port-forwarding
-            # TODO: remove kubectl version after 0.16.20 release
-            [[ $(pgrep -f "cilium.*hubble.*port-forward" | wc -l) == 1 ]]
-          fi
+          nc -nvz 127.0.0.1 4245
 
           # Run connectivity test
           cilium --context "${{ steps.contexts.outputs.cluster1 }}" connectivity test --test-concurrency=5 \