Add a rust role.

ansible/roles/rust/tasks/peruser_linux.yaml

@@ -0,0 +1,44 @@
+- name: Set nightly as the default toolchain
+  command: "rustup default nightly-{{ rust_date }}"
+  args:
+    creates: "{{ account_homedir.stdout }}/.rustup/toolchains/nightly-{{ rust_date }}-x86_64-unknown-linux-gnu"
+
+- name: Install the musl target
+  command: rustup target add x86_64-unknown-linux-musl
+  args:
+    creates: "{{ account_homedir.stdout }}/.rustup/toolchains/nightly-{{ rust_date }}-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-musl"
+
+# Needed by rust-analyzer (rust-analyzer will attempt to install via rustup on its own, but this will install it manually).
+- name: Install the nightly rust-src
+  command: rustup component add rust-src
+  args:
+    creates: "{{ account_homedir.stdout }}/.rustup/toolchains/nightly-{{ rust_date }}-x86_64-unknown-linux-gnu/lib/rustlib/manifest-rust-src"
+
+- name: Install the nightly rust-analyzer
+  command: rustup component add rust-analyzer
+  args:
+    creates: "{{ account_homedir.stdout }}/.rustup/toolchains/nightly-{{ rust_date }}-x86_64-unknown-linux-gnu/bin/rust-analyzer"
+
+- name: Create directories
+  file:
+    name: "{{ account_homedir.stdout }}/{{ item }}"
+    state: directory
+    mode: 0755
+    owner: "{{ account_name.stdout }}"
+    group: "{{ group_name.stdout }}"
+  loop:
+    - .cargo
+
+- name: Copy files
+  no_log: true
+  copy:
+    src: "files/{{ item.src }}"
+    dest: "{{ account_homedir.stdout }}/{{ item.dest }}"
+    mode: 0600
+    owner: "{{ account_name.stdout }}"
+    group: "{{ group_name.stdout }}"
+  loop:
+    - src: cargo_credentials.toml
+      dest: .cargo/credentials
+    - src: cargo_config.toml
+      dest: .cargo/config