Initial commit

sbin/cilium-remove.sh

@@ -0,0 +1,91 @@
+#!/bin/sh
+# ----
+# File:        cilium-remove.sh
+# Description: Tool to remove k8s cilium test clusters using k3d or kind
+# Author:      Sergio Talens-Oliag <sto@mixinet.net>
+# Copyright:   (c) 2023 Sergio Talens-Oliag <sto@mixinet.net>
+# ----
+
+set -e
+
+# ---------
+# VARIABLES
+# ---------
+K3D_NETWORK_NAME="cilium"
+KIND_NETWORK_NAME="kind"
+
+# ---------
+# FUNCTIONS
+# ---------
+
+delete_network() {
+  NETWORK_ID="$(
+    docker network inspect "$NETWORK_NAME" --format "{{.Id}}" 2>/dev/null
+  )" || true
+  if [ "$NETWORK_ID" ]; then
+    echo "Removing network '$NETWORK_NAME' with id '$NETWORK_ID'"
+    docker network rm "$NETWORK_NAME"
+  else
+    echo "Network '$NETWORK_NAME' not found in docker"
+  fi
+}
+
+delete_cluster() {
+  case "$CTOOL" in
+  k3d)
+    echo "Deleting k3d cluster '$CNAME'"
+    k3d cluster delete "$CNAME"
+  ;;
+  kind)
+    echo "Deleting kind cluster '$CNAME'"
+    kind delete cluster -n "$CNAME"
+  ;;
+  esac
+}
+
+usage() {
+  cat <<EOF
+Usage: $0 CTOOL CLUSTER [OPERATION]
+
+Where:
+
+- CTOOL is 'k3d' or 'kind'
+- CLUSTER is '1' or '2'
+- OPERATION is one of:
+  - 'all'
+  - 'network'
+  - 'cluster'
+  If missing the default OPERATION is 'all'
+EOF
+  exit "$1"
+}
+
+# ====
+# MAIN
+# ====
+
+CTOOL="$1"
+CNUM="$2"
+ACTION="${3:-all}"
+
+case "$CTOOL" in
+k3d) NETWORK_NAME="$K3D_NETWORK_NAME" ;;
+kind) NETWORK_NAME="$KIND_NETWORK_NAME" ;;
+*) usage 1;;
+esac
+
+case "$CNUM" in
+1|2) ;;
+*) usage 1 ;;
+esac
+CNAME="cilium$CNUM"
+
+case "$ACTION" in
+all|"")
+  delete_cluster
+  delete_network
+;;
+cluster) delete_cluster ;;
+network) delete_network ;;
+*) usage 1;;
+esac