Revert "cleanup eastwest gen (#8457)" (#8467)

This reverts commit 13e1d08238.

content/en/docs/setup/install/multicluster/multi-primary_multi-network/index.md

@@ -71,9 +71,10 @@ external attacks. Check with your cloud vendor to see what options are
 available.
 
 {{< text bash >}}
-$ @samples/multicluster/gen-eastwest-gateway.sh@ \
-    --mesh mesh1 --cluster cluster1 --network network1 | \
-    istioctl --context="${CTX_CLUSTER1}" install -y -f -
+$ MESH=mesh1 CLUSTER=cluster1 NETWORK=network1 \
+    @samples/multicluster/gen-eastwest-gateway.sh@ | \
+    istioctl manifest generate -f - | \
+    kubectl apply --context="${CTX_CLUSTER1}" -f -
 {{< /text >}}
 
 Wait for the east-west gateway to be assigned an external IP address:
@@ -136,9 +137,10 @@ As we did with `cluster1` above, install a gateway in `cluster2` that is dedicat
 to east-west traffic.
 
 {{< text bash >}}
-$ @samples/multicluster/gen-eastwest-gateway.sh@ \
-    --mesh mesh1 --cluster cluster2 --network network2 | \
-    istioctl --context="${CTX_CLUSTER2}" install -y -f -
+$ MESH=mesh1 CLUSTER=cluster2 NETWORK=network2 \
+    @samples/multicluster/gen-eastwest-gateway.sh@ | \
+    istioctl manifest generate -f - | \
+    kubectl apply --context="${CTX_CLUSTER2}" -f -
 {{< /text >}}
 
 Wait for the east-west gateway to be assigned an external IP address:

content/en/docs/setup/install/multicluster/multi-primary_multi-network/snips.sh

@@ -44,9 +44,10 @@ istioctl install --context="${CTX_CLUSTER1}" -f cluster1.yaml
 }
 
 snip_install_the_eastwest_gateway_in_cluster1_1() {
-samples/multicluster/gen-eastwest-gateway.sh \
-    --mesh mesh1 --cluster cluster1 --network network1 | \
-    istioctl --context="${CTX_CLUSTER1}" install -y -f -
+MESH=mesh1 CLUSTER=cluster1 NETWORK=network1 \
+    samples/multicluster/gen-eastwest-gateway.sh | \
+    istioctl manifest generate -f - | \
+    kubectl apply --context="${CTX_CLUSTER1}" -f -
 }
 
 snip_install_the_eastwest_gateway_in_cluster1_2() {
@@ -87,9 +88,10 @@ istioctl install --context="${CTX_CLUSTER2}" -f cluster2.yaml
 }
 
 snip_install_the_eastwest_gateway_in_cluster2_1() {
-samples/multicluster/gen-eastwest-gateway.sh \
-    --mesh mesh1 --cluster cluster2 --network network2 | \
-    istioctl --context="${CTX_CLUSTER2}" install -y -f -
+MESH=mesh1 CLUSTER=cluster2 NETWORK=network2 \
+    samples/multicluster/gen-eastwest-gateway.sh | \
+    istioctl manifest generate -f - | \
+    kubectl apply --context="${CTX_CLUSTER2}" -f -
 }
 
 snip_install_the_eastwest_gateway_in_cluster2_2() {

content/en/docs/setup/install/multicluster/primary-remote/index.md

@@ -75,9 +75,10 @@ external attacks. Check with your cloud vendor to see what options are
 available.
 
 {{< text bash >}}
-$ @samples/multicluster/gen-eastwest-gateway.sh@ \
-    --mesh mesh1 --cluster cluster1 --network network1 | \
-    istioctl --context="${CTX_CLUSTER1}" install -y -f -
+$ MESH=mesh1 CLUSTER=cluster1 NETWORK=network1 \
+    @samples/multicluster/gen-eastwest-gateway.sh@ | \
+    istioctl manifest generate -f - | \
+    kubectl apply --context="${CTX_CLUSTER1}" -f -
 {{< /text >}}
 
 Wait for the east-west gateway to be assigned an external IP address:

content/en/docs/setup/install/multicluster/primary-remote/snips.sh

@@ -39,9 +39,10 @@ istioctl install --context="${CTX_CLUSTER1}" -f cluster1.yaml
 }
 
 snip_install_the_eastwest_gateway_in_cluster1_1() {
-samples/multicluster/gen-eastwest-gateway.sh \
-    --mesh mesh1 --cluster cluster1 --network network1 | \
-    istioctl --context="${CTX_CLUSTER1}" install -y -f -
+MESH=mesh1 CLUSTER=cluster1 NETWORK=network1 \
+    samples/multicluster/gen-eastwest-gateway.sh | \
+    istioctl manifest generate -f - | \
+    kubectl apply --context="${CTX_CLUSTER1}" -f -
 }
 
 snip_install_the_eastwest_gateway_in_cluster1_2() {

content/en/docs/setup/install/multicluster/primary-remote_multi-network/index.md

@@ -85,9 +85,10 @@ external attacks. Check with your cloud vendor to see what options are
 available.
 
 {{< text bash >}}
-$ @samples/multicluster/gen-eastwest-gateway.sh@ \
-    --mesh mesh1 --cluster cluster1 --network network1 | \
-    istioctl --context="${CTX_CLUSTER1}" install -y -f -
+$ MESH=mesh1 CLUSTER=cluster1 NETWORK=network1 \
+    @samples/multicluster/gen-eastwest-gateway.sh@ | \
+    istioctl manifest generate -f - | \
+    kubectl apply --context="${CTX_CLUSTER1}" -f -
 {{< /text >}}
 
 Wait for the east-west gateway to be assigned an external IP address:
@@ -193,9 +194,10 @@ As we did with `cluster1` above, install a gateway in `cluster2` that is dedicat
 to east-west traffic and expose user services.
 
 {{< text bash >}}
-$ @samples/multicluster/gen-eastwest-gateway.sh@ \
-    --mesh mesh1 --cluster cluster2 --network network2 | \
-    istioctl --context="${CTX_CLUSTER2}" install -y -f -
+$ MESH=mesh1 CLUSTER=cluster2 NETWORK=network2 \
+    @samples/multicluster/gen-eastwest-gateway.sh@ | \
+    istioctl manifest generate -f - | \
+    kubectl apply --context="${CTX_CLUSTER2}" -f -
 {{< /text >}}
 
 Wait for the east-west gateway to be assigned an external IP address:

content/en/docs/setup/install/multicluster/primary-remote_multi-network/snips.sh

@@ -44,9 +44,10 @@ istioctl install --context="${CTX_CLUSTER1}" -f cluster1.yaml
 }
 
 snip_install_the_eastwest_gateway_in_cluster1_1() {
-samples/multicluster/gen-eastwest-gateway.sh \
-    --mesh mesh1 --cluster cluster1 --network network1 | \
-    istioctl --context="${CTX_CLUSTER1}" install -y -f -
+MESH=mesh1 CLUSTER=cluster1 NETWORK=network1 \
+    samples/multicluster/gen-eastwest-gateway.sh | \
+    istioctl manifest generate -f - | \
+    kubectl apply --context="${CTX_CLUSTER1}" -f -
 }
 
 snip_install_the_eastwest_gateway_in_cluster1_2() {
@@ -108,9 +109,10 @@ istioctl install --context="${CTX_CLUSTER2}" -f cluster2.yaml
 }
 
 snip_install_the_eastwest_gateway_in_cluster2_1() {
-samples/multicluster/gen-eastwest-gateway.sh \
-    --mesh mesh1 --cluster cluster2 --network network2 | \
-    istioctl --context="${CTX_CLUSTER2}" install -y -f -
+MESH=mesh1 CLUSTER=cluster2 NETWORK=network2 \
+    samples/multicluster/gen-eastwest-gateway.sh | \
+    istioctl manifest generate -f - | \
+    kubectl apply --context="${CTX_CLUSTER2}" -f -
 }
 
 snip_install_the_eastwest_gateway_in_cluster2_2() {