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254
test/mesh-test.sh
Executable file
254
test/mesh-test.sh
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#!/bin/sh
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# ----
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# File: mesh-basic.sh
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# Description: Script to test the cluster mesh on our cilium deployments
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# Author: Sergio Talens-Oliag <sto@mixinet.net>
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# Copyright: (c) 2023 Sergio Talens-Oliag <sto@mixinet.net>
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# ----
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# REF: https://docs.cilium.io/en/stable/network/clustermesh/services/
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# ----
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set -e
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# Compute WORK_DIR
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SCRIPT="$(readlink -f "$0")"
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SCRIPT_DIR="$(dirname "$SCRIPT")"
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WORK_DIR_RELPATH="."
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WORK_DIR="$(readlink -f "$SCRIPT_DIR/$WORK_DIR_RELPATH")"
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# VARIABLES
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NAMESPACE="mesh-test"
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SERVICE="svc/rebel-base"
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DEPLOYMENT_RB="deployment/rebel-base"
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DEPLOYMENT_XW="deployment/x-wing"
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YAML_DIR="$WORK_DIR/mesh-test"
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GSC1_YAML="$YAML_DIR/cluster1.yaml"
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GSC2_YAML="$YAML_DIR/cluster2.yaml"
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ACCESS_TEST_LOOPS="7"
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access_test() {
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for ctx in "$CTX1" "$CTX2"; do
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echo "Running $ACCESS_TEST_LOOPS tests from '$ctx'"
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counter=0
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while [ "$counter" -lt "$ACCESS_TEST_LOOPS" ]; do
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kubectl --context "$ctx" -n "$NAMESPACE" exec -ti "$DEPLOYMENT_XW" \
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-- curl rebel-base
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counter="$((counter + 1))"
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done
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done
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}
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create() {
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for cn in "1" "2"; do
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echo "Creating Global Service on Cluster $cn"
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create_namespace "$cn"
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deploy_objects "$cn"
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done
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}
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create_namespace() {
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case "$1" in
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1) ctx="$CTX1";;
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2) ctx="$CTX2";;
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*) echo "Unknown cluster number '$1'"; exit 1;;
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esac
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kubectl --context="$ctx" create ns "$NAMESPACE" || true
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}
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deploy_objects() {
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case "$1" in
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1) ctx="$CTX1"; yaml="$GSC1_YAML";;
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2) ctx="$CTX2"; yaml="$GSC2_YAML";;
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*) echo "Unknown cluster number '$1'"; exit 1;;
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esac
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sed -e "s/Cluster-/$CTOOL-cluster-/" "$yaml" |
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kubectl --context="$ctx" -n "$NAMESPACE" apply -f -
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}
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delete() {
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for cn in "1" "2"; do
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echo "Deleting Global Service on Cluster $cn"
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delete_objects "$cn" || true
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delete_namespace "$cn"
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done
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}
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delete_deployment() {
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case "$1" in
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1) ctx="$CTX1";;
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2) ctx="$CTX2";;
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*) echo "Unknown cluster number '$1'"; exit 1;;
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esac
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echo "Deleting '$DEPLOYMENT_RB' on Cluster $1"
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kubectl --context="$ctx" -n "$NAMESPACE" delete "$DEPLOYMENT_RB" || true
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}
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delete_namespace() {
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case "$1" in
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1) ctx="$CTX1";;
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2) ctx="$CTX2";;
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*) echo "Unknown cluster number '$1'"; exit 1;;
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esac
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kubectl --context="$ctx" delete ns "$NAMESPACE" || true
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}
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delete_objects() {
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case "$1" in
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1) ctx="$CTX1"; yaml="$GSC1_YAML";;
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2) ctx="$CTX2"; yaml="$GSC2_YAML";;
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*) echo "Unknown cluster number '$1'"; exit 1;;
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esac
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sed -e "s/Cluster-/$CTOOL-cluster-/" "$yaml" |
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kubectl --context="$ctx" -n "$NAMESPACE" delete -f -
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}
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get_cilium_annotations() {
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for ctx in "$CTX1" "$CTX2"; do
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echo "Service '$SERVICE' cilium annotations on '$ctx'"
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kubectl --context "$ctx" -n "$NAMESPACE" get "$SERVICE" -o yaml |
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sed -ne 's/^ service.cilium.io/- service.cilium.io/p'
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done
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}
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status() {
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for ctx in "$CTX1" "$CTX2"; do
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echo "Mesh test status on '$ctx'"
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echo ""
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kubectl --context "$ctx" -n "$NAMESPACE" get all
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echo ""
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done
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}
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wait_for_deployments() {
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for ctx in "$CTX1" "$CTX2"; do
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for _deployment in "$DEPLOYMENT_RB" "$DEPLOYMENT_XW"; do
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echo "Waiting for '$_deployment' to be ready on '$ctx'"
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kubectl wait --context="$ctx" -n "$NAMESPACE" "$_deployment" \
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--for condition=Available=True --timeout=90s
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done
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done
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}
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service_affinity_default(){
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kubectl --context="$1" -n "$NAMESPACE" annotate "$SERVICE" \
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service.cilium.io/affinity-
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}
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service_affinity_local(){
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kubectl --context="$1" -n "$NAMESPACE" annotate "$SERVICE" \
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service.cilium.io/affinity="local" --overwrite
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}
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service_affinity_none(){
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kubectl --context="$1" -n "$NAMESPACE" annotate "$SERVICE" \
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service.cilium.io/affinity="none" --overwrite
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}
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service_affinity_remote(){
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kubectl --context="$1" -n "$NAMESPACE" annotate "$SERVICE" \
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service.cilium.io/affinity="remote" --overwrite
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}
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service_shared_default(){
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case "$1" in
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1) ctx="$CTX1";;
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2) ctx="$CTX2";;
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*) echo "Unknown cluster number '$1'"; exit 1;;
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esac
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kubectl --context="$ctx" -n "$NAMESPACE" annotate "$SERVICE" \
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service.cilium.io/shared-
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}
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service_shared_false(){
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case "$1" in
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1) ctx="$CTX1";;
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2) ctx="$CTX2";;
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*) echo "Unknown cluster number '$1'"; exit 1;;
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esac
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kubectl --context="$ctx" -n "$NAMESPACE" annotate "$SERVICE" \
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service.cilium.io/shared="false" --overwrite
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}
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service_shared_true(){
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case "$1" in
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1) ctx="$CTX1";;
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2) ctx="$CTX2";;
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*) echo "Unknown cluster number '$1'"; exit 1;;
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esac
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kubectl --context="$ctx" -n "$NAMESPACE" annotate "$SERVICE" \
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service.cilium.io/shared="true" --overwrite
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}
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usage() {
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cat <<EOF
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Usage: $0 CLUST_TYPE ACTION
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Where CLUST_TYPE is 'k3d' or 'kind' and ACTION is one of:
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- create: creates namespaces and deploy services on both clusters
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- delete: deletes services and namespaces on both clusters
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- delete-deployment [CLUST]: delete rebel-base deployment from CLUST (default 1)
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- delete-objects [CLUST]: delete objects from the cluster CLUST (default 1)
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- deploy-objects [CLUST]: deploy objects on the cluster CLUST (default 1)
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- get-annotations: get service annotations of both clusters
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- svc-affinity-local: sets local affinity for the service on both clusters
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- svc-affinity-remote: sets remote affinity for the service on both clusters
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- svc-affinity-none: removes affinity for the service on both clusters
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- svc-shared-default [CLUST]: remove shared annotation from the CLUST cluster
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- svc-shared-false [CLUST]: removes service sharing from the CLUST cluster
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- svc-shared-true [CLUST]: enables service sharing on the CLUST cluster
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- status: prints the deployment status on both clusters
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- test: calls the services $ACCESS_TEST_LOOPS times from each cluster
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- wait: waits until the deployments are ready on both clusters
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EOF
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exit "$1"
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}
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# ====
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# MAIN
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# ====
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CTOOL="$1"
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case "$CTOOL" in
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k3d|kind)
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CTX1="$CTOOL-cilium1"
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CTX2="$CTOOL-cilium2"
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;;
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"") usage "0";;
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*) usage "1";;
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esac
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case "$2" in
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create) create;;
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delete) delete;;
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delete-deployment) delete_deployment "${3:-1}";;
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delete-objects) delete_objects "${3:-1}";;
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deploy-objects) deploy_objects "${3:-1}";;
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get-annotations) get_cilium_annotations;;
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svc-af-local|svc-affinity-local)
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for ctx in "$CTX1" "$CTX2"; do
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service_affinity_local "$ctx"
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done
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;;
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svc-af-remote|svc-affinity-remote)
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for ctx in "$CTX1" "$CTX2"; do
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service_affinity_remote "$ctx"
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done
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;;
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svc-af-none|svc-affinity-none)
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for ctx in "$CTX1" "$CTX2"; do
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service_affinity_local "$ctx"
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done
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;;
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svc-sh-default|svc-shared-default) service_shared_default "${3:-1}";;
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svc-sh-false|svc-shared-false) service_shared_false "${3:-1}";;
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svc-sh-true|svc-shared-true) service_shared_true "${3:-1}";;
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status) status;;
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test) access_test ;;
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wait) wait_for_deployments ;;
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*) usage "1" ;;
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esac
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# ----
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# vim: ts=2:sw=2:et:ai:sts=2
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