# sed 's#"type": "calico-ipam"#"type": "host-local", \
>               "subnet": "usePodCidr"#' a.txt
          "ipam": {
              "type": "host-local",
              "subnet": "usePodCidr"
          },
      containers:
        - name: calico-node
          env:






# sed -i '/CALICO_DISABLE_FILE_LOGGING/i \
>             - name: CALICO_IPV4POOL_CIDR \
>               value: "10.244.0.0/16" \
>             - name: CALICO_IPV4POOL_BLOCK_SIZE \
>               value: "24" \
>             - name: USE_POD_CIDR \
>               value: "true" \
>             - name: IP_AUTODETECTION_METHOD \
>               value: "interface=ens33"' a.txt
