chore: install protocol buffer before building service

Tools/CI/run_cmb_service.sh

@@ -60,33 +60,98 @@ echo "Starting with echo server on port: $echo_port and the cmb service on port:
 
 # Setup -------------------------------------------------------------------------
 
+
+ThrewError=false
+
+# Mimics "Try-Catch" where you have to check if an error occurred after invoking
+try() {
+   ThrewError=false
+  "$@" || throw "$@"
+}
+
+# Invoked by try
+throw() {
+    logError "An error occurred executing this command:$@"
+    ThrewError=true
+}
+
+# A way to log messages that are easy to distinguish from the rest of the logs
+logMessage(){
+    printf "\n############################################\n"
+    printf "$@\n"
+    printf "############################################\n"
+}
+
+# A way to log error messages that are easy to distinguish from the rest of the logs
+logError(){
+    printf "\n!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!\n"
+    printf "$@\n"
+    printf "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!\n"
+}
+
+# Protocol Buffer Compiler ------------------------------------------------------
+
+# Apply any updates 
+logMessage "Updating modules..."
+sudo apt-get update
+
+# Install Protocol Buffer Compiler (using apt-get)
+logMessage "Installing protocol bufffer compiler as SUDO..."
+try sudo apt-get install -y protobuf-compiler
+
+# If the previous command failed, try without sudo
+if $ThrewError; then
+logMessage "Installing protocol bufffer compiler as shell assigned account..."
+apt-get install -y protobuf-compiler
+else
+logMessage "Protocol bufffer compiler was installed as sudo!"
+fi
+
+# Add the PROTOC environment variable that points to the Protocol Buffer Compiler binary
+export PROTOC="/usr/bin/protoc"
+
+# Validate the PROTOC env var by getting the protoc version
+try $PROTOC --version
+
+if $ThrewError; then
+logError "Failed to properly run protoc!"
+exit -1
+else
+logMessage "Protocol Buffer Compiler Installed & ENV variables verified!\n PROTOC path is: $PROTOC"
+fi
+
 # clone the cmb service repo
 git clone https://github.com/Unity-Technologies/mps-common-multiplayer-backend.git
+
 # navigate to the cmb service directory
 cd ./mps-common-multiplayer-backend/runtime
 
 # Install rust
 curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y
+
 # Add the cargo bin directory to the PATH
 export PATH="$HOME/.cargo/bin:$PATH"
 
-
 # Echo server -------------------------------------------------------------------
 
 # Build the echo server
+logMessage "Beginning echo server build..."
 cargo build --example ngo_echo_server
+
 # Run the echo server in the background
+logMessage "Running echo server tests..."
 cargo run --example ngo_echo_server -- --port $echo_port &
 
-
 # CMB Service -------------------------------------------------------------------
 
 # Build a release version of the standalone cmb service
+logMessage "Beginning service release build..."
 cargo build --release --locked
 
 # Run the standalone service on an infinite loop in the background.
 # The infinite loop is required as the service will exit each time all connected clients disconnect.
 # This means the service will exit after each test. The infinite loop will immediately restart the service each time it exits.
+logMessage "Running service integration tests..."
 while :; do
   ./target/release/comb-server -l error --metrics-port 5000 standalone --port $service_port -t 60m;
 done & # <- use & to run the entire loop in the background