refactor(ansible): delete .env files and update README references (#6962)

Signed-off-by: Mete Fatih Cırıt <mfc@autoware.org>

Author: xmfcx

.webauto-ci.yaml

@@ -48,7 +48,6 @@ artifacts:
               - .webauto-ci/main/autoware-setup/**/*
               - ansible/**/*
               - ansible-galaxy-requirements.yaml
-              - amd64.env
           incremental_build:
             enabled: true
         - name: autoware-build

amd64.env

@@ -35,7 +35,8 @@ Follow these instructions to download and install the CUDA Toolkit.
 From: <https://docs.nvidia.com/cuda/cuda-installation-guide-linux/index.html#network-repo-installation-for-ubuntu>
 
 ```bash
-wget -O /tmp/amd64.env https://raw.githubusercontent.com/autowarefoundation/autoware/main/amd64.env && source /tmp/amd64.env
+# From the Autoware repository root:
+cuda_version=$(sed -n 's/^cuda_version: *"\(.*\)"/\1/p' ansible/roles/cuda/defaults/main.yaml)
 
 os=ubuntu2204
 arch_dir=$(

amd64_jazzy.env

@@ -21,20 +21,9 @@ This role installs optional development tools for Autoware.
 
 ## Set up the environment variables
 
-Choose **one** ROS distribution and run the corresponding command.
-
-### ROS 2 Humble
-
-```bash
-wget -O /tmp/amd64.env https://raw.githubusercontent.com/autowarefoundation/autoware/main/amd64.env && \
-source /tmp/amd64.env
-```
-
-### ROS 2 Jazzy
-
 ```bash
-wget -O /tmp/amd64.env https://raw.githubusercontent.com/autowarefoundation/autoware/main/amd64_jazzy.env && \
-source /tmp/amd64.env
+# Choose your ROS distribution
+rosdistro=humble  # or jazzy
 ```
 
 ## Install the tools

ansible/roles/cuda/README.md

@@ -13,20 +13,12 @@ This role sets up ROS 2 RMW implementation following [this page](https://docs.ro
 
 ## Set up the environment variables
 
-Choose **one** ROS distribution and run the corresponding command.
-
-### ROS 2 Humble
-
 ```bash
-wget -O /tmp/amd64.env https://raw.githubusercontent.com/autowarefoundation/autoware/main/amd64.env && \
-source /tmp/amd64.env
-```
+# Choose your ROS distribution
+rosdistro=humble  # or jazzy
 
-### ROS 2 Jazzy
-
-```bash
-wget -O /tmp/amd64.env https://raw.githubusercontent.com/autowarefoundation/autoware/main/amd64_jazzy.env && \
-source /tmp/amd64.env
+# RMW implementation (see ./defaults/main.yaml for the current default)
+rmw_implementation=rmw_cyclonedds_cpp
 ```
 
 ## Install the RMW implementation

ansible/roles/dev_tools/README.md

@@ -32,7 +32,8 @@ For Universe, the `rosdistro` variable can also be found in:
 [../../playbooks/universe.yaml](../../playbooks/universe.yaml)
 
 ```bash
-wget -O /tmp/amd64.env https://raw.githubusercontent.com/autowarefoundation/autoware/main/amd64.env && source /tmp/amd64.env
+# Choose your ROS distribution
+rosdistro=humble  # or jazzy
 
 # Taken from: https://docs.ros.org/en/humble/Installation/Ubuntu-Install-Debians.html
 

ansible/roles/rmw_implementation/README.md

@@ -12,20 +12,15 @@ This role installs TensorRT following [the official NVIDIA TensorRT Installation
 
 ### Set up the environment variables
 
-Choose **one** ROS distribution and run the corresponding command.
-
-#### ROS 2 Humble
-
-```bash
-wget -O /tmp/amd64.env https://raw.githubusercontent.com/autowarefoundation/autoware/main/amd64.env && \
-source /tmp/amd64.env
-```
-
-#### ROS 2 Jazzy
-
 ```bash
-wget -O /tmp/amd64.env https://raw.githubusercontent.com/autowarefoundation/autoware/main/amd64_jazzy.env && \
-source /tmp/amd64.env
+# From the Autoware repository root:
+# defaults/main.yaml contains an architecture-dependent Jinja2 expression;
+# extract the matching version for this machine.
+if [ "$(uname -m)" = "aarch64" ]; then
+  tensorrt_version=$(grep -oP "'\K[^']+(?=' if)" ansible/roles/tensorrt/defaults/main.yaml)
+else
+  tensorrt_version=$(grep -oP "else '\K[^']+" ansible/roles/tensorrt/defaults/main.yaml)
+fi
 ```
 
 ### Install TensorRT