scripts: Added grpcurl script useful for Thanos debugging. (#2403)

Signed-off-by: Bartlomiej Plotka <[email protected]>

scripts/genproto.sh

@@ -32,7 +32,6 @@ for dir in ${DIRS}; do
 		${PROTOC_BIN} --gogofast_out=plugins=grpc:. \
 		  -I=. \
 			-I="${GOGOPROTO_PATH}" \
-      -I="${GOGOPROTO_PATH}" \
 			*.proto
 
 		sed -i.bak -E 's/import _ \"gogoproto\"//g' *.pb.go

scripts/insecure_grpcurl_series.sh

@@ -0,0 +1,62 @@
+#!/usr/bin/env bash
+
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+HELP='
+insecure_grpcurl_series.sh allows you to use call StoreAPI.Series gRPC method and receive streamed series in JSON format.
+
+Usage:
+  # Start some example Thanos component that exposes gRPC or use existing one. To start example one run: `thanos query &`
+  bash scripts/insecure_grpcurl_series.sh localhost:10901 '"'"'[{"type": 0, "name": "__name__", "value":"go_goroutines"}]'"'"' 0 10
+'
+
+STORE_API_HOSTPORT=$1
+if [ -z "${STORE_API_HOSTPORT}" ]; then
+  echo "\$1 is missing (STORE_API_HOSTPORT). Expected host:port string for the target StoreAPI to grpcurl against, e.g. localhost:10901"
+  echo "${HELP}"
+  exit 1
+fi
+
+REQUESTED_MATCHERS=$2
+if [ -z "${REQUESTED_MATCHERS}" ]; then
+  echo '$2 is missing (REQUESTED_MATCHERS). Expected matchers in form of JSON matchers: e.g [{"type": 0, "name": "__name__", "value":"go_goroutines"}]'
+  echo "${HELP}"
+  exit 1
+fi
+
+REQUESTED_MIN_TIME=$3
+if [ -z "${REQUESTED_MIN_TIME}" ]; then
+  echo '$3 is missing (REQUESTED_MIN_TIME). Expected min time in unix_timestamp.'
+  echo "${HELP}"
+  exit 1
+fi
+
+REQUESTED_MAX_TIME=$4
+if [ -z "${REQUESTED_MAX_TIME}" ]; then
+  echo '$4 is missing (REQUESTED_MAX_TIME). Expected max time in unix_timestamp.'
+  echo "${HELP}"
+  exit 1
+fi
+
+go install github.com/fullstorydev/grpcurl/cmd/grpcurl
+
+SERIES_REQUEST='{
+  "min_time": '${REQUESTED_MIN_TIME}',
+  "max_time": '${REQUESTED_MAX_TIME}',
+  "matchers": '${REQUESTED_MATCHERS}',
+  "max_resolution_window": 0,
+  "aggregates": [],
+  "partial_response_strategy": 0,
+  "skip_chunks": false
+}'
+
+GOGOPROTO_ROOT="$(GO111MODULE=on go list -f '{{ .Dir }}' -m github.com/gogo/protobuf)"
+
+pushd ${DIR}/../pkg/store/storepb/
+grpcurl \
+  -import-path="${GOGOPROTO_ROOT}" \
+  -import-path=. \
+  -proto=rpc.proto \
+  -plaintext \
+  -d="${SERIES_REQUEST}" "${STORE_API_HOSTPORT}" thanos.Store/Series
+popd