deployment/logs-benchmark: add case for self-testing

Signed-off-by: Zakhar Bessarab <z.bessarab@victoriametrics.com>

deployment/logs-benchmark/Makefile

@@ -14,4 +14,10 @@ docker-stop-loki:
 	docker-compose -f docker-compose.yml -f docker-compose-loki.yml stop
 
 docker-cleanup:
-	docker-compose -f docker-compose.yml -f docker-compose-elk.yml -f docker-compose-loki.yml down -v --remove-orphans
+	docker-compose -f docker-compose.yml -f docker-compose-elk.yml -f docker-compose-loki.yml -f docker-compose-single.yml down -v --remove-orphans
+
+docker-up-single:
+	docker-compose -f docker-compose.yml -f docker-compose-single.yml up -d
+
+docker-stop-single:
+	docker-compose -f docker-compose.yml -f docker-compose-single.yml stop

deployment/logs-benchmark/docker-compose-single.yml

@@ -0,0 +1,41 @@
+version: '3'
+
+services:
+  generator:
+    image: golang:1.21.5-alpine
+    restart: always
+    working_dir: /go/src/app
+    volumes:
+      - ./generator:/go/src/app
+      - ./source_logs:/go/src/source_logs
+    command:
+      - go
+      - run
+      - main.go
+      - -logsPath=/go/src/source_logs/logs
+      - -outputRateLimitItems=10000
+      - -outputRateLimitPeriod=1s
+      - -syslog.addr=rsyslog:514
+      - -syslog.addr2=rsyslog:514
+      - -logs.randomSuffix=false
+    depends_on: [ rsyslog ]
+
+  promtail:
+    image: grafana/promtail:2.9.0
+    command: -config.file=/etc/promtail/promtail-config.yaml
+    volumes:
+      - ./single/:/etc/promtail/
+    depends_on:
+      - vlogs
+
+  rsyslog:
+    build:
+      dockerfile: Dockerfile
+      context: single
+    volumes:
+      - ./single/rsyslog.conf:/etc/rsyslog.conf
+    depends_on: [ promtail ]
+
+
+volumes:
+  loki:

deployment/logs-benchmark/single/Dockerfile

@@ -0,0 +1,9 @@
+FROM alpine:3
+RUN apk add --no-cache rsyslog rsyslog-tls tzdata
+
+COPY rsyslog.conf /etc/rsyslog.conf
+
+VOLUME /var/run/rsyslog/dev
+EXPOSE 514 10514
+
+CMD ["/usr/sbin/rsyslogd", "-n"]

deployment/logs-benchmark/single/promtail-config.yaml

@@ -0,0 +1,25 @@
+server:
+  http_listen_port: 9080
+  grpc_listen_port: 0
+
+positions:
+  filename: /tmp/positions.yaml
+
+clients:
+  - url: http://vlogs:9428/insert/loki/api/v1/push?_stream_fields=hostname,application
+#    batchwait: 5s
+#    batchsize: 5242880
+
+scrape_configs:
+- job_name: syslog
+  syslog:
+    listen_address: 0.0.0.0:5140
+    idle_timeout: 12h
+    use_incoming_timestamp: true
+    labels:
+      job: syslog
+  relabel_configs:
+    - source_labels: [__syslog_message_hostname]
+      target_label: hostname
+    - source_labels: [__syslog_message_app_name]
+      target_label: application

deployment/logs-benchmark/single/rsyslog.conf

@@ -0,0 +1,12 @@
+module(load="imudp")
+input(type="imudp" port="514")
+
+module(load="imtcp")
+input(type="imtcp" port="514")
+
+*.*  action(type="omfwd"
+       protocol="tcp" target="promtail" port="5140"
+       Template="RSYSLOG_SyslogProtocol23Format"
+       TCP_Framing="octet-counted" KeepAlive="on"
+       action.resumeRetryCount="-1"
+       queue.type="linkedlist" queue.size="1000000")