faaa9dd596
Add "create_remote_json_config" which will create a bdev JSON configuration for SPDK initiator to connect to NVMe-oF Target. Change-Id: I2370c6911df35ffa1f27e93bdfa4ddb7f174ea49 Signed-off-by: Karol Latecki <karol.latecki@intel.com> Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/8776 Community-CI: Broadcom CI <spdk-ci.pdl@broadcom.com> Tested-by: SPDK CI Jenkins <sys_sgci@intel.com> Reviewed-by: Ben Walker <benjamin.walker@intel.com> Reviewed-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com> Reviewed-by: Paul Luse <paul.e.luse@intel.com> Reviewed-by: GangCao <gang.cao@intel.com> Reviewed-by: Maciej Wawryk <maciejx.wawryk@intel.com>
142 lines
3.0 KiB
Bash
Executable File
142 lines
3.0 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -e
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rootdir=$(readlink -f $(dirname $0))/..
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source "$rootdir/scripts/common.sh"
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gen_subsystems=false
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gen_mode="local"
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gen_function="create_local_json_config"
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gen_args=()
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function usage() {
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echo "Script for generating JSON configuration file for attaching"
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echo "local userspace NVMe drives."
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echo "Usage: ${0##*/} [OPTIONS]"
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echo
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echo "-h, --help Print help and exit"
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echo " --mode Generate 'local' or 'remote' NVMe JSON configuration. Default is 'local'."
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echo " Remote needs --trid option to be present."
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echo " --trid Comma separated list target subsystem information containing transport type,"
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echo " IP addresses, port numbers and NQN names."
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echo " Example: tcp:127.0.0.1:4420:nqn.2016-06.io.spdk:cnode1,tcp:127.0.0.1:4421:nqn.2016-06.io.spdk:cnode2"
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echo " --json-with-subsystems Wrap bdev subsystem JSON configuration with higher level 'subsystems' dictionary."
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exit 0
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}
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function create_local_json_config() {
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local bdev_json_cfg=()
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local bdfs=()
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bdfs=($(nvme_in_userspace))
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for i in "${!bdfs[@]}"; do
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bdev_json_cfg+=("$(
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cat <<- JSON
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{
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"method": "bdev_nvme_attach_controller",
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"params": {
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"trtype": "PCIe",
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"name":"Nvme${i}",
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"traddr":"${bdfs[i]}"
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}
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}
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JSON
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)")
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done
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local IFS=","
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cat <<- JSON
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{
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"subsystem": "bdev",
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"config": [
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${bdev_json_cfg[*]}
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]
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}
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JSON
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}
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function create_remote_json_config() {
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local trids
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local bdev_json_cfg=()
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IFS="," read -r -a trids <<< $1
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for ((i = 0; i < ${#trids[@]}; i++)); do
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local transport
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local ip_addr
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local svc_port
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local nqn
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IFS=":" read -r transport ip_addr svc_port nqn <<< ${trids[i]}
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bdev_json_cfg+=("$(
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cat <<- JSON
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{
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"method": "bdev_nvme_attach_controller",
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"params": {
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"trtype": "$transport",
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"adrfam": "IPv4",
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"name": "Nvme${i}",
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"subnqn": "$nqn",
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"traddr": "$ip_addr",
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"trsvcid": "$svc_port"
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}
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}
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JSON
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)")
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done
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local IFS=","
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cat <<- JSON
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{
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"subsystem": "bdev",
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"config": [
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${bdev_json_cfg[*]}
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]
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}
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JSON
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}
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while getopts 'h-:' optchar; do
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case "$optchar" in
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-)
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case "$OPTARG" in
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help) usage ;;
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mode=*)
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gen_mode="${OPTARG#*=}"
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gen_function="create_${OPTARG#*=}_json_config"
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;;
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trid=*) remote_trid="${OPTARG#*=}" ;;
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json-with-subsystems) gen_subsystems=true ;;
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*) echo "Invalid argument '$OPTARG'" && usage ;;
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esac
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;;
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h) usage ;;
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*) echo "Invalid argument '$OPTARG'" && usage ;;
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esac
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done
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if [[ "$gen_mode" == "remote" ]] && [[ -z "$remote_trid" ]]; then
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echo "For $gen_mode --trid argument must be provided."
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exit 1
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fi
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if [[ "$gen_mode" == "remote" ]]; then
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gen_args+=("$remote_trid")
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fi
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bdev_json_cfg=$("$gen_function" "${gen_args[@]}")
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if [[ $gen_subsystems == true ]]; then
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bdev_json_cfg=$(
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cat <<- JSON
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{
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"subsystems": [
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$bdev_json_cfg
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]
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}
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JSON
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)
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fi
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echo "$bdev_json_cfg"
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