Added github workflow script and eStargz container configuration

Signed-off-by: David-Marian Buzatu <[email protected]>

Removed redundant temp file creation step from workflow

Signed-off-by: David-Marian Buzatu <[email protected]>

Changed script flag to use string instead

Signed-off-by: David-Marian Buzatu <[email protected]>

Updated file access for stargz script

Signed-off-by: David-Marian Buzatu <[email protected]>

Updated path to stargz knative service information

Signed-off-by: David-Marian Buzatu <[email protected]>

Added sudo to cluster creation in workflow

Signed-off-by: David-Marian Buzatu <[email protected]>

Fixed path of stargz config file

Signed-off-by: David-Marian Buzatu <[email protected]>

Removed sudo from script

Signed-off-by: David-Marian Buzatu <[email protected]>

Fixed workflow copy and sudo issue

Signed-off-by: David-Marian Buzatu <[email protected]>
Signed-off-by: davidbuzatu-marian <[email protected]>

Author: DavidBuzatu-Marian

.github/workflows/stargz_tests.yml

@@ -0,0 +1,53 @@
+name: vHive stock-only stargz tests
+
+on:
+  push:
+    branches: [ main ]
+    paths-ignore:
+    - 'docs/**'
+    - '**.md'
+    - 'function-images/**'
+  pull_request:
+    branches: [ main ]
+    paths-ignore:
+    - 'docs/**'
+    - '**.md'
+    - 'function-images/**'
+  workflow_dispatch:
+
+env:
+  GOOS: linux
+  GO111MODULE: on
+
+jobs:
+  stargz-container-test:
+    name: Test running stargz-based image using kn
+    runs-on: ubuntu-20.04
+    steps:
+
+    - name: Set up Go 1.18
+      uses: actions/setup-go@v3
+      with:
+        go-version: 1.18
+
+    - name: Check out code into the Go module directory
+      uses: actions/checkout@v3
+
+    - name: Setup stock-only node
+      run: sudo ./scripts/cloudlab/setup_node.sh stock-only use-stargz
+
+    - name: Check containerd service is running
+      run: sudo screen -list | grep "containerd"
+
+    - name: Check stargz-snapshotter is running
+      run: sudo systemctl is-active --quiet stargz-snapshotter
+    
+    - name: Setup single-node cluster
+      run: sudo ./scripts/cluster/create_one_node_cluster.sh stock-only
+
+    - name: Run test container with kn
+      run: sudo kn service apply stargz-test -f ./configs/knative_workloads/stargz-node.yaml --concurrency-target 1 
+
+    - name: Curl container
+      run: curl http://stargz-test.default.192.168.1.240.sslip.io | grep "Hello World"
+

configs/knative_workloads/stargz-node.yaml

@@ -0,0 +1,20 @@
+apiVersion: serving.knative.dev/v1
+kind: Pod
+metadata:
+  name: stargz-test
+spec:
+  template:
+    spec:
+      containers:
+      - name: nodejs-stargz
+        image: ghcr.io/stargz-containers/node:17.8.0-esgz
+        command: ["node"]
+        args:
+        - -e
+        - var http = require('http');
+          http.createServer(function(req, res) {
+            res.writeHead(200);
+            res.end('Hello World!\n');
+          }).listen(80);
+        ports:
+        - containerPort: 80

scripts/cloudlab/setup_node.sh

@@ -60,9 +60,9 @@ if [ "$SANDBOX" == "firecracker" ]; then
 fi
 
 if [ -z "$USE_STARGZ" ]; then
-    USE_STARGZ=false
+    USE_STARGZ="no-stargz"
 fi
 
-if [ "$USE_STARGZ" = true]; then
+if [ "$USE_STARGZ" == "use-stargz" ]; then
     $SCRIPTS/stargz/setup_stock_only_stargz.sh
 fi

scripts/stargz/setup_stock_only_stargz.sh

@@ -1,15 +1,16 @@
 #!/bin/bash
 
 DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
-ROOT="$( cd $DIR && cd .. && pwd)"
+ROOT="$( cd $DIR && cd ../.. && pwd)"
 BINS=$ROOT/bin
 CONFIGS=$ROOT/configs/stargz
 
 # Get stargz snapshotter tar
 wget --continue --quiet https://github.com/containerd/stargz-snapshotter/releases/download/v0.13.0/stargz-snapshotter-v0.13.0-linux-amd64.tar.gz
 
 # Copy stargz config
-sudo cp $CONFIGS/config.toml /etc/containerd/
+sudo mkdir -p /etc/containerd
+sudo cp $CONFIGS/config.toml /etc/containerd/config.toml
 
 # Unzip stargz binary and install it
 sudo tar -C /usr/local/bin -xvf stargz-snapshotter-v0.13.0-linux-amd64.tar.gz containerd-stargz-grpc ctr-remote