On Wed, Jun 28, 2023 at 05:16:22PM +0200, Daniel Wagner wrote:
> When the host has enabled the udev/systemd autoconnect services for the
> fc transport it interacts with blktests and make tests break.
>
> nvme-cli learned to ignore connects attemps when using the --context
> command line option paired with a volatile configuration. Thus we can
> mark all the resources created by blktests and avoid any interaction
> with the systemd autoconnect scripts.
>
> Only enabled this for the fc transport.
>
> Signed-off-by: Daniel Wagner <dwagner@xxxxxxx>
> ---
> tests/nvme/rc | 81 ++++++++++++++++++++++++++++++++++++++++++++-------
> 1 file changed, 71 insertions(+), 10 deletions(-)
>
> diff --git a/tests/nvme/rc b/tests/nvme/rc
> index 191f3e2e0c43..06d98f46b471 100644
> --- a/tests/nvme/rc
> +++ b/tests/nvme/rc
> @@ -14,8 +14,8 @@ def_remote_wwnn="0x10001100aa000001"
> def_remote_wwpn="0x20001100aa000001"
> def_local_wwnn="0x10001100aa000002"
> def_local_wwpn="0x20001100aa000002"
> -def_hostnqn="$(cat /etc/nvme/hostnqn 2> /dev/null)"
> -def_hostid="$(cat /etc/nvme/hostid 2> /dev/null)"
> +def_hostnqn="nqn.2014-08.org.nvmexpress:uuid:242d4a24-2484-4a80-8234-d0169409c5e8"
> +def_hostid="242d4a24-2484-4a80-8234-d0169409c5e8"
> nvme_trtype=${nvme_trtype:-"loop"}
> nvme_img_size=${nvme_img_size:-"1G"}
> nvme_num_iter=${nvme_num_iter:-"1000"}
> @@ -161,6 +161,57 @@ _nvme_calc_rand_io_size() {
> echo "${io_size_kb}k"
> }
>
> +_have_nvme_cli_context() {
> + # ignore all non-fc transports
> + if [[ "${nvme_trtype}" == "fc" ]] ||
This should be !=, forgot to merge a fixup to this patch.
> + ! nvme connect --help 2>&1 | grep -q -- '--context=<STR>' > /dev/null; then
> + return 1
> + fi
> + return 0
> +}
> +
> +_setup_nvme_cli() {
> + local local_wwnn="${1}"
> + local local_wwpn="${2}"
> + local remote_wwnn="${3}"
> + local remote_wwpn="${4}"
> +
> + if ! _have_nvme_cli_context; then
> + return
> + fi
> +
> + mkdir -p /run/nvme
> + cat >> /run/nvme/blktests.json <<-EOF
> + [
> + {
> + "hostnqn": "${def_hostnqn}",
> + "hostid": "${def_hostid}",
> + "subsystems": [
> + {
> + "application": "blktests",
> + "nqn": "blktests-subsystem-1",
> + "ports": [
> + {
> + "transport": "fc",
> + "traddr": "nn-${remote_wwnn}:pn-${remote_wwpn}",
> + "host_traddr": "nn-${local_wwnn}:pn-${local_wwpn}"
> + }
> + ]
> + }
> + ]
> + }
> + ]
> + EOF
> +}
> +
> +_cleanup_nvme_cli() {
> + if ! _have_nvme_cli_context; then
> + return
> + fi
> +
> + rm -f /run/nvme/blktests.json
> +}
> +
> _nvme_fcloop_add_rport() {
> local local_wwnn="$1"
> local local_wwpn="$2"
> @@ -193,6 +244,9 @@ _setup_fcloop() {
> local remote_wwnn="${3:-$def_remote_wwnn}"
> local remote_wwpn="${4:-$def_remote_wwpn}"
>
> + _setup_nvme_cli "${local_wwnn}" "${local_wwpn}" \
> + "${remote_wwnn}" "${remote_wwpn}"
> +
> _nvme_fcloop_add_tport "${remote_wwnn}" "${remote_wwpn}"
> _nvme_fcloop_add_lport "${local_wwnn}" "${local_wwpn}"
> _nvme_fcloop_add_rport "${local_wwnn}" "${local_wwpn}" \
> @@ -235,6 +289,8 @@ _cleanup_fcloop() {
> _nvme_fcloop_del_lport "${local_wwnn}" "${local_wwpn}"
> _nvme_fcloop_del_rport "${local_wwnn}" "${local_wwpn}" \
> "${remote_wwnn}" "${remote_wwpn}"
> +
> + _cleanup_nvme_cli
> }
>
> _cleanup_nvmet() {
> @@ -436,18 +492,18 @@ _nvme_connect_subsys() {
> trtype="$1"
> subsysnqn="$2"
>
> - ARGS=(-t "${trtype}" -n "${subsysnqn}")
> + ARGS=(-t "${trtype}"
> + -n "${subsysnqn}"
> + --hostnqn="${hostnqn}"
> + --hostid="${hostid}")
> + if _have_nvme_cli_context; then
> + ARGS+=(--context="blktests")
> + fi
> if [[ "${trtype}" == "fc" ]] ; then
> ARGS+=(-a "${traddr}" -w "${host_traddr}")
> elif [[ "${trtype}" != "loop" ]]; then
> ARGS+=(-a "${traddr}" -s "${trsvcid}")
> fi
> - if [[ "${hostnqn}" != "$def_hostnqn" ]]; then
> - ARGS+=(--hostnqn="${hostnqn}")
> - fi
> - if [[ "${hostid}" != "$def_hostid" ]]; then
> - ARGS+=(--hostid="${hostid}")
> - fi
> if [[ -n "${hostkey}" ]]; then
> ARGS+=(--dhchap-secret="${hostkey}")
> fi
> @@ -482,7 +538,12 @@ _nvme_discover() {
> local host_traddr="${3:-$def_host_traddr}"
> local trsvcid="${3:-$def_trsvcid}"
>
> - ARGS=(-t "${trtype}")
> + ARGS=(-t "${trtype}"
> + --hostnqn="${def_hostnqn}"
> + --hostid="${def_hostid}")
> + if _have_nvme_cli_context; then
> + ARGS+=(--context="blktests")
> + fi
> if [[ "${trtype}" = "fc" ]]; then
> ARGS+=(-a "${traddr}" -w "${host_traddr}")
> elif [[ "${trtype}" != "loop" ]]; then
> --
> 2.41.0
>
