Lab07 SD-02 Timur Suleymanov

.gitignore

@@ -174,3 +174,6 @@ cython_debug/
 .pypirc
 terraform/yandex_cloud/key.json
 terraform/yandex_cloud/terraform.rc
+ansible/roles/web_app/vars/main.yml
+ansible/ansible.builtin.env
+terraform/yandex_cloud/authorized_key.json

app_go/Dockerfile

@@ -16,6 +16,6 @@ USER $ADMIN_USER
 RUN go build -o randomizer main.go
 
 # Explicitly specify port
-EXPOSE 3000
+EXPOSE 5500
 
 CMD ["./randomizer"]

app_go/main.go

@@ -8,7 +8,7 @@ import (
 
 var tpl = template.Must(template.ParseFiles("static/index.html"))
 
-const PORT = "3000"
+const PORT = "5500"
 
 func indexHandler(w http.ResponseWriter, r *http.Request) {
 	// Handler calls template to show index.html

app_python/Dockerfile

@@ -17,6 +17,6 @@ RUN adduser --system $ADMIN_USER
 USER $ADMIN_USER
 
 # Explicitly specify port
-EXPOSE 5000
+EXPOSE 5005
 
 CMD ["python", "moscow_app.py"]

app_python/moscow_app.py

@@ -7,6 +7,8 @@
 
 app = Flask(__name__)
 MOSCOW = timezone(timedelta(hours=3), "Moscow")
+HOST = "0.0.0.0"
+PORT = 5005
 
 @app.route("/")
 def index():
@@ -21,4 +23,4 @@ def index():
 
 
 if __name__ == "__main__":
-    app.run()
+    app.run(HOST, PORT)

monitoring/docker-compose.yml

@@ -0,0 +1,65 @@
+version: "3.3"
+
+networks:
+  loki:
+
+services:
+  loki:
+    image: grafana/loki:latest
+    ports:
+      - "3100:3100"
+    command: -config.file=/etc/loki/local-config.yaml
+    networks:
+      - loki
+
+  promtail:
+    image: grafana/promtail:latest
+    volumes:
+      - /var/log:/var/log
+      - /var/run/docker.sock:/var/run/docker.sock
+      - /var/lib/docker/containers:/var/lib/docker/containers
+      - ./promtail.yml:/etc/promtail/config.yml
+    command: -config.file=/etc/promtail/config.yml
+    networks:
+      - loki
+
+  grafana:
+    environment:
+      - GF_PATHS_PROVISIONING=/etc/grafana/provisioning
+      - GF_AUTH_ANONYMOUS_ENABLED=true
+      - GF_AUTH_ANONYMOUS_ORG_ROLE=Admin
+      - GF_FEATURE_TOGGLES_ENABLE=alertingSimplifiedRouting,alertingQueryAndExpressionsStepMode
+    entrypoint:
+      - sh
+      - -euc
+      - |
+        mkdir -p /etc/grafana/provisioning/datasources
+        cat <<EOF > /etc/grafana/provisioning/datasources/ds.yaml
+        apiVersion: 1
+        datasources:
+        - name: Loki
+          type: loki
+          access: proxy 
+          orgId: 1
+          url: http://loki:3100
+          basicAuth: false
+          isDefault: true
+          version: 1
+          editable: false
+        EOF
+        /run.sh
+    image: grafana/grafana:latest
+    ports:
+      - "3000:3000"
+    networks:
+      - loki
+  moscow_time:
+    image: tjann7/moscow_time:latest
+    ports:
+      - "5005:5005"
+    logging:
+      driver: "json-file"
+  go_random:
+    image: tjann7/go_random:latest
+    ports:
+      - "5500:5500"

monitoring/promtail.yml

@@ -0,0 +1,15 @@
+server:
+  http_listen_port: 9080
+  grpc_listen_port: 0
+positions:
+  filename: /tmp/positions.yaml
+client:
+  url: http://loki:3100/api/v1/push
+scrape_configs:
+  - job_name: logging_both_dockersW
+    static_configs:
+      - targets:
+          - localhost
+        labels:
+          job: docker
+          __path__: /var/lib/docker/containers/*/*log # For linux only