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[SmartSwitch] Restore DPU gNMI midplane connectivity #28564

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[SmartSwitch] Restore DPU gNMI midplane connectivity #28564

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88226fa
gnmi: bind SmartSwitch DPU no-TLS services to midplane
hdwhdw Jul 22, 2026
d12f1a2
submodule: update sonic-gnmi for DPU link-local bind
hdwhdw Jul 22, 2026
9c97d9f
gnmi: move DPU midplane binding into telemetry
hdwhdw Jul 22, 2026
071ccfe
submodule: update sonic-gnmi link-local tests
hdwhdw Jul 22, 2026
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18 changes: 17 additions & 1 deletion dockers/docker-sonic-gnmi/gnmi-native.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -2,6 +2,7 @@

EXIT_TELEMETRY_VARS_FILE_NOT_FOUND=1
INCORRECT_TELEMETRY_VALUE=2
MIDPLANE_ADDRESS_NOT_FOUND=3
TELEMETRY_VARS_FILE=/usr/share/sonic/templates/telemetry_vars.j2
ESCAPE_QUOTE="'\''"

Expand Down Expand Up @@ -57,7 +58,22 @@ elif [ -n "$X509" ]; then
TELEMETRY_ARGS+=" --ca_crt $CA_CRT"
fi
else
TELEMETRY_ARGS+=" --noTLS --bind_address 127.0.0.1"
DEVICE_TYPE=$(sonic-db-cli CONFIG_DB hget "DEVICE_METADATA|localhost" "type")
SWITCH_TYPE=$(sonic-db-cli CONFIG_DB hget "DEVICE_METADATA|localhost" "switch_type")
if [[ x"${DEVICE_TYPE}" == x"SmartSwitchDPU" || x"${SWITCH_TYPE}" == x"dpu" ]]; then
for _ in {1..30}; do
MIDPLANE_ADDRESS=$(ip -4 -o addr show dev eth0-midplane 2>/dev/null | awk '{sub(/\/.*/, "", $4); print $4; exit}')
[[ -n "${MIDPLANE_ADDRESS}" ]] && break
sleep 1
done
if [[ -z "${MIDPLANE_ADDRESS}" ]]; then
echo "SmartSwitch DPU midplane IPv4 address not found" >&2
exit $MIDPLANE_ADDRESS_NOT_FOUND
fi
TELEMETRY_ARGS+=" --noTLS --bind_address ${MIDPLANE_ADDRESS} --allow_no_tls_link_local"
else
TELEMETRY_ARGS+=" --noTLS --bind_address 127.0.0.1"
fi
fi

# If no configuration entry exists for TELEMETRY, create one default port
Expand Down
18 changes: 17 additions & 1 deletion dockers/docker-sonic-telemetry/telemetry.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -23,6 +23,7 @@ fi

EXIT_TELEMETRY_VARS_FILE_NOT_FOUND=1
INCORRECT_TELEMETRY_VALUE=2
MIDPLANE_ADDRESS_NOT_FOUND=3
TELEMETRY_VARS_FILE=/usr/share/sonic/templates/telemetry_vars.j2
ESCAPE_QUOTE="'\''"

Expand Down Expand Up @@ -77,7 +78,22 @@ elif [ -n "$X509" ]; then
TELEMETRY_ARGS+=" --ca_crt $CA_CRT"
fi
else
TELEMETRY_ARGS+=" --noTLS --bind_address 127.0.0.1"
DEVICE_TYPE=$(sonic-db-cli CONFIG_DB hget "DEVICE_METADATA|localhost" "type")
SWITCH_TYPE=$(sonic-db-cli CONFIG_DB hget "DEVICE_METADATA|localhost" "switch_type")
if [[ x"${DEVICE_TYPE}" == x"SmartSwitchDPU" || x"${SWITCH_TYPE}" == x"dpu" ]]; then
for _ in {1..30}; do
MIDPLANE_ADDRESS=$(ip -4 -o addr show dev eth0-midplane 2>/dev/null | awk '{sub(/\/.*/, "", $4); print $4; exit}')
[[ -n "${MIDPLANE_ADDRESS}" ]] && break
sleep 1
done
if [[ -z "${MIDPLANE_ADDRESS}" ]]; then
echo "SmartSwitch DPU midplane IPv4 address not found" >&2
exit $MIDPLANE_ADDRESS_NOT_FOUND
fi
TELEMETRY_ARGS+=" --noTLS --bind_address ${MIDPLANE_ADDRESS} --allow_no_tls_link_local"
else
TELEMETRY_ARGS+=" --noTLS --bind_address 127.0.0.1"
fi
fi

# If no configuration entry exists for TELEMETRY, create one default port
Expand Down
2 changes: 1 addition & 1 deletion src/sonic-gnmi
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Submodule sonic-gnmi updated 2 files
+9 −3 telemetry/telemetry.go
+9 −2 telemetry/telemetry_test.go
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