Revert "remove aws and antrea addons" (#4794)

Revert "remove aws and antrea addons (#4793)"

This reverts commit 499cbdb.

addons/antrea/0.13.1/Manifest

@@ -0,0 +1,3 @@
+image antrea-ubuntu projects.registry.vmware.com/antrea/antrea-ubuntu:v0.13.1
+
+asset antctl https://github.com/vmware-tanzu/antrea/releases/download/v0.13.1/antctl-Linux-x86_64

addons/antrea/0.13.1/install.sh

@@ -0,0 +1,80 @@
+
+function antrea_pre_init() {
+    local src="$DIR/addons/antrea/$ANTREA_VERSION"
+
+    POD_CIDR="$ANTREA_POD_CIDR"
+    POD_CIDR_RANGE="$ANTREA_POD_CIDR_RANGE"
+
+    cp "$src/kubeadm.yaml" "$DIR/kustomize/kubeadm/init-patches/antrea.yaml"
+
+    if commandExists kubectl; then
+        EXISTING_POD_CIDR=$(kubectl -n kube-system get cm kubeadm-config -oyaml 2>/dev/null | grep podSubnet | awk '{ print $NF }')
+    fi
+}
+
+function antrea() {
+    local src="$DIR/addons/antrea/$ANTREA_VERSION"
+    local dst="$DIR/kustomize/antrea"
+
+    if antrea_weave_conflict; then
+        printf "${YELLOW}Cannot migrate from weave to antrea${NC}\n"
+        return 0
+    fi
+
+    if ! lsmod | grep ip_tables; then
+        modprobe ip_tables
+    fi
+
+    cp "$src/kustomization.yaml" "$dst/"
+
+    if [ "$ANTREA_DISABLE_ENCRYPTION" = "1" ]; then
+        cp "$src/plaintext.yaml" "$dst/"
+        insert_resources "$dst/kustomization.yaml" plaintext.yaml
+    else
+        cp "$src/ipsec.yaml" "$dst/"
+        insert_resources "$dst/kustomization.yaml" ipsec.yaml
+
+        ANTREA_IPSEC_PSK=$(kubernetes_secret_value kube-system antrea-ipsec psk)
+        if [ -z "$ANTREA_IPSEC_PSK" ]; then
+            ANTREA_IPSEC_PSK=$(< /dev/urandom tr -dc A-Za-z0-9 | head -c9)
+        fi
+        render_yaml_file "$src/ipsec-psk.yaml" > "$dst/ipsec-psk.yaml"
+        insert_patches_strategic_merge "$dst/kustomization.yaml" ipsec-psk.yaml
+    fi
+
+    kubectl apply -k $dst
+
+    antrea_cli
+
+    check_network
+}
+
+function antrea_join() {
+    if ! lsmod | grep ip_tables; then
+        modprobe ip_tables
+    fi
+
+    if kubernetes_is_master; then
+        antrea_cli
+    fi
+}
+
+function antrea_cli() {
+  local src="$DIR/addons/antrea/$ANTREA_VERSION"
+
+  if [ ! -f "$src/assets/antctl" ] && [ "$AIRGAP" != "1" ]; then
+    mkdir -p "$src/assets"
+    curl -L --fail "https://github.com/vmware-tanzu/antrea/releases/download/v${ANTREA_VERSION}/antctl-Linux-x86_64" > "$src/assets/antctl"
+  fi
+
+  chmod +x "$src/assets/antctl"
+  # put it in the same directory as kubectl since that's always on the path
+  cp "$src/assets/antctl" "$(dirname $(which kubectl))/"
+}
+
+function antrea_weave_conflict() {
+    if [ -f /etc/cni/net.d/10-weave.conflist ]; then
+        return 0
+    fi
+    return 1
+}

addons/antrea/0.13.1/ipsec-psk.yaml

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+apiVersion: v1
+kind: Secret
+metadata:
+  name: antrea-ipsec
+  namespace: kube-system
+stringData:
+  psk: $ANTREA_IPSEC_PSK