add workflow to test CLI installer (#1061)

.github/workflows/pull-request-installer.yaml

@@ -0,0 +1,34 @@
+name: Installer Pull Request
+on: [push]
+
+jobs:
+  linux:
+    name: Linux
+    strategy:
+      matrix:
+        distro: [ubuntu, fedora, alpine]
+    runs-on: ubuntu-latest
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v3
+    - name: ${{ matrix.distro }}
+      uses: addnab/docker-run-action@v3
+      with:
+        image: ${{matrix.distro}}
+        options: -v ${{ github.workspace }}:/app -e GITHUB_SHA
+        run: |
+         case "${{ matrix.distro }}" in
+            ubuntu)
+              apt-get update -q -y
+              apt-get install -q -y curl
+              ;;
+            fedora)
+              yum install -y curl --refresh
+              ;;
+            alpine)
+              apk add --update curl
+              ;;
+          esac
+
+          curl -L https://raw.githubusercontent.com/kubeshop/tracetest/${GITHUB_SHA}/install-cli.sh | sh
+          tracetest

docs/installing.md

@@ -101,7 +101,7 @@ You can find the latest version [here](https://github.com/kubeshop/tracetest/rel
 
 Tracetest CLI can be installed automatically using the following script:
 ```sh
-curl -L https://raw.githubusercontent.com/kubeshop/tracetest/main/install-cli.sh | bash
+curl -L https://raw.githubusercontent.com/kubeshop/tracetest/main/install-cli.sh | sh
 ```
 
 It works for systems with Hombrew, `apt-get`, `dpkg`, `yum`, `rpm` installed, and if no package manager is available, it will try to download the build and install it manually.

install-cli.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 cmd_exists() {
   command -v $1 &> /dev/null
@@ -27,7 +27,10 @@ get_os() {
 
 get_arch() {
   arch=$(uname -p)
-    case "$arch" in
+  if [ "$arch" = "unknown" ]; then
+    arch=$(uname -m)
+  fi
+  case "$arch" in
     "x86_64")
       echo "amd64"
       ;;
@@ -37,7 +40,7 @@ get_arch() {
       ;;
 
     *)
-      echo ""
+      echo $arch
       ;;
   esac
 }