Add finagle demo to pixie cli

Summary:
Adds a finagle demo to the pixie cli. I thought this would be a good addition especially with the eBPF talk later this month.

As part of Twitter's hackathon week, we created sedarG/finagle-helloworld to demonstrate Pixie's mux protocol tracing. I've modified that repo to match the same setup as the pixie-labs/microservice-kafka repo (using kompose, kustomize, etc).

Test Plan:
docker-compose example works locally
Verify that the client and server work on minikube

Reviewers: vihang

Reviewed By: vihang

Signed-off-by: Dom Del Nano <ddelnano@twitter.com>

Differential Revision: https://phab.corp.pixielabs.ai/D12353

GitOrigin-RevId: ea4582bf4bf7b63f054967f9f3afbd041b35abf7

demos/BUILD.bazel

@@ -17,6 +17,13 @@
 load("@bazel_tools//tools/build_defs/pkg:pkg.bzl", "pkg_tar")
 load("@px//demos:demo_upload.bzl", "demo_upload")
 
+pkg_tar(
+    name = "px-finagle",
+    srcs = glob(["finagle/*"]),
+    extension = "tar.gz",
+    strip_prefix = "finagle",
+)
+
 pkg_tar(
     name = "px-kafka",
     srcs = glob(["kafka/*"]),
@@ -39,6 +46,7 @@ pkg_tar(
 )
 
 ARCHIVES = [
+    ":px-finagle",
     ":px-kafka",
     ":px-sock-shop",
     ":px-online-boutique",

demos/README.md

@@ -31,7 +31,7 @@ bazel run //demos:upload_prod_demo
 
 1. Clone `https://github.com/pixie-io/microservice-kafka` and switch to the `pixie` branch.
 
-2. (optional) Build the container images & update the individual yaml files.
+2. (optional) Build the container image & update the individual yaml files.
 
 3. Build a single yaml file for the demo:
 
@@ -41,6 +41,21 @@ kustomize build . >  kafka.yaml
 
 4. Copy the yaml file to `pixie/demos/kafka`.
 
+## Updating the `px-finagle` demo
+
+1. Clone `https://github.com/pixie-io/finagle-helloworld`
+
+2. (optional) Build the container images & update the individual yaml files.
+
+3. Build a single yaml file for the demo:
+
+```
+kustomize . > finagle.yaml
+```
+
+4. Copy the yaml file to `pixie/demos/finagle`.
+
+
 ## Updating the `px-online-boutique` demo
 
 Our custom `adservice` image includes the `-XX:+PreserveFramePointer` Java option. To build our custom `adservice` image:

demos/finagle/LICENSE

@@ -0,0 +1,27 @@
+This code is originally from: https://github.com/SedarG/finagle-helloworld.
+Copyright is held by original copyright owners.
+
+Original License Noted Below.
+----------------------------------------------------------------------------------------
+
+MIT License
+
+Copyright (c) 2022 Sedar Gokbulut
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

demos/finagle/finagle.yaml

@@ -0,0 +1,95 @@
+apiVersion: v1
+kind: Namespace
+metadata:
+  name: px-finagle
+---
+apiVersion: v1
+kind: Service
+metadata:
+  annotations:
+    kompose.cmd: kompose convert -f ../docker/docker-compose.yml
+    kompose.version: 1.26.1 (a9d05d509)
+  creationTimestamp: null
+  labels:
+    io.kompose.service: finagle-server
+  name: finagle-server
+  namespace: px-finagle
+spec:
+  ports:
+  - name: "9992"
+    port: 9992
+    targetPort: 9992
+  selector:
+    io.kompose.service: finagle-server
+status:
+  loadBalancer: {}
+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  annotations:
+    kompose.cmd: kompose convert -f ../docker/docker-compose.yml
+    kompose.version: 1.26.1 (a9d05d509)
+  creationTimestamp: null
+  labels:
+    io.kompose.service: finagle-client
+  name: finagle-client
+  namespace: px-finagle
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      io.kompose.service: finagle-client
+  strategy: {}
+  template:
+    metadata:
+      annotations:
+        kompose.cmd: kompose convert -f ../docker/docker-compose.yml
+        kompose.version: 1.26.1 (a9d05d509)
+      creationTimestamp: null
+      labels:
+        io.kompose.service: finagle-client
+    spec:
+      containers:
+      - args:
+        - client/run
+        image: gcr.io/pixie-prod/demos/finagle/hello:1.0
+        name: finagle-client
+        resources: {}
+      restartPolicy: Always
+status: {}
+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  annotations:
+    kompose.cmd: kompose convert -f ../docker/docker-compose.yml
+    kompose.version: 1.26.1 (a9d05d509)
+  creationTimestamp: null
+  labels:
+    io.kompose.service: finagle-server
+  name: finagle-server
+  namespace: px-finagle
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      io.kompose.service: finagle-server
+  strategy: {}
+  template:
+    metadata:
+      annotations:
+        kompose.cmd: kompose convert -f ../docker/docker-compose.yml
+        kompose.version: 1.26.1 (a9d05d509)
+      creationTimestamp: null
+      labels:
+        io.kompose.service: finagle-server
+    spec:
+      containers:
+      - image: gcr.io/pixie-prod/demos/finagle/hello:1.0
+        name: finagle-server
+        ports:
+        - containerPort: 9992
+        resources: {}
+      restartPolicy: Always
+status: {}

demos/manifest.json

@@ -34,5 +34,13 @@
             "To turn off the invoicing delay, run:",
             "   kubectl exec -n px-kafka $INVC_POD -c invoicing -- kill -USR2 $INVC_PID"
         ]
+    },
+    "px-finagle": {
+        "description": "Microservice demo that generates thriftmux traffic with finagle.",
+        "instructions": [
+            "Use the px/mux_data script to view the traffic that is continuously generated.",
+            "Mux tracing is only enabled on newer kernels (>= 5.2) by default.",
+            "Make sure your system meets these requirements before deploying."
+        ]
     }
 }