sonic-buildimage/dockers/docker-sonic-telemetry/telemetry.sh
Tamer Ahmed f4eae5dabd [telemetry] Call sonic-cfggen Once (#4901)
sonic-cfggen call is slow and this is taking place in the SONiC
boot up process. The change uses templates to assemble all required
vars into single template file. With this change, telemetry now calls
once into sonic-cfggen.

signed-off-by: Tamer Ahmed <tamer.ahmed@microsoft.com>
2020-07-12 18:08:52 +00:00

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#!/usr/bin/env bash
# Try to read telemetry and certs config from ConfigDB.
# Use default value if no valid config exists
TELEMETRY_VARS=$(sonic-cfggen -d -t telemetry_vars.j2)
TELEMETRY_VARS=${TELEMETRY_VARS//[\']/\"}
X509=$(echo $TELEMETRY_VARS | jq -r '.x509')
GNMI=$(echo $TELEMETRY_VARS | jq -r '.gnmi')
CERTS=$(echo $TELEMETRY_VARS | jq -r '.certs')
TELEMETRY_ARGS=" -logtostderr"
export CVL_SCHEMA_PATH=/usr/sbin/schema
if [ -n "$CERTS" ]; then
SERVER_CRT=$(echo $CERTS | jq -r '.server_crt')
SERVER_KEY=$(echo $CERTS | jq -r '.server_key')
if [ -z $SERVER_CRT ] || [ -z $SERVER_KEY ]; then
TELEMETRY_ARGS+=" --insecure"
else
TELEMETRY_ARGS+=" --server_crt $SERVER_CRT --server_key $SERVER_KEY "
fi
CA_CRT=$(echo $CERTS | jq -r '.ca_crt')
if [ ! -z $CA_CRT ]; then
TELEMETRY_ARGS+=" --ca_crt $CA_CRT"
fi
elif [ -n "$X509" ]; then
SERVER_CRT=$(echo $X509 | jq -r '.server_crt')
SERVER_KEY=$(echo $X509 | jq -r '.server_key')
if [ -z $SERVER_CRT ] || [ -z $SERVER_KEY ]; then
TELEMETRY_ARGS+=" --insecure"
else
TELEMETRY_ARGS+=" --server_crt $SERVER_CRT --server_key $SERVER_KEY "
fi
CA_CRT=$(echo $X509 | jq -r '.ca_crt')
if [ ! -z $CA_CRT ]; then
TELEMETRY_ARGS+=" --ca_crt $CA_CRT"
fi
else
TELEMETRY_ARGS+=" --insecure"
fi
# If no configuration entry exists for TELEMETRY, create one default port
if [ -z "$GNMI" ]; then
PORT=8080
sonic-db-cli CONFIG_DB hset "TELEMETRY|gnmi" port $PORT
else
PORT=$(echo $GNMI | jq -r '.port')
fi
TELEMETRY_ARGS+=" --port $PORT"
CLIENT_AUTH=$(echo $GNMI | jq -r '.client_auth')
if [ -z $CLIENT_AUTH ] || [ $CLIENT_AUTH == "false" ]; then
TELEMETRY_ARGS+=" --allow_no_client_auth"
fi
LOG_LEVEL=$(echo $GNMI | jq -r '.log_level')
if [ ! -z $LOG_LEVEL ]; then
TELEMETRY_ARGS+=" -v=$LOG_LEVEL"
else
TELEMETRY_ARGS+=" -v=2"
fi
exec /usr/sbin/telemetry ${TELEMETRY_ARGS}