10 files changed, 239 insertions, 0 deletions
diff --git a/mattertimectl/build/defaults/main.yaml b/mattertimectl/build/defaults/main.yaml
new file mode 100644
index 0000000..56cabdc
--- /dev/null
+++ b/mattertimectl/build/defaults/main.yaml
@@ -0,0 +1,16 @@
+---
+
+mattertimectl_version: "0.1.0"
+# https://github.com/lukehoersten/mattertimectl/tags
+# Rust project: cargo build --release produces one self-contained binary
+# (all runtime deps are pure Rust), so the target only needs the binary to
+# run it. The source tarball must point at the Rust implementation.
+mattertimectl_tar: "https://github.com/{{github_user}}/mattertimectl/archive/refs/tags/v{{mattertimectl_version}}.tar.gz"
+mattertimectl_build_dir: "{{build_work_dir}}/mattertimectl-{{mattertimectl_version}}"
+mattertimectl_srv_dir: "{{build_srv_dir}}"
+
+# Keep cargo's registry cache, the rustup toolchains, and the build output
+# on build_work_dir (the SSD), not the SD card.
+mattertimectl_cargo_home: "{{build_work_dir}}/.cargo"
+mattertimectl_rustup_home: "{{build_work_dir}}/.rustup"
+mattertimectl_cargo_target_dir: "{{build_work_dir}}/.cargo-target"
diff --git a/mattertimectl/build/meta/main.yaml b/mattertimectl/build/meta/main.yaml
new file mode 100644
index 0000000..dae4be5
--- /dev/null
+++ b/mattertimectl/build/meta/main.yaml
@@ -0,0 +1,5 @@
+---
+
+# No role dependency: the Rust toolchain is installed inline via rustup
+# (the distro rustc is too old for this crate's Rust edition).
+dependencies: []
diff --git a/mattertimectl/build/tasks/main.yaml b/mattertimectl/build/tasks/main.yaml
new file mode 100644
index 0000000..d5721d7
--- /dev/null
+++ b/mattertimectl/build/tasks/main.yaml
@@ -0,0 +1,71 @@
+---
+
+- name: ensure build work dir exists
+  become: yes
+  file:
+    path: "{{build_work_dir}}"
+    state: "directory"
+    owner: "{{ansible_user}}"
+    group: "{{ansible_user}}"
+    mode: "0755"
+
+- name: check if mattertimectl build exists
+  stat:
+    path: "{{mattertimectl_srv_dir}}/mattertimectl-{{mattertimectl_version}}.tar.gz"
+  register: build_file
+
+# NOTE: rustup is used only because rs-matter requires a newer rustc than
+# Ubuntu 24.04's apt ships (apt rustc is 1.75; rs-matter needs >= 1.87). Once
+# the build host runs an Ubuntu whose apt rustc/cargo are new enough, drop
+# rustup and the toolchain tasks below and just `apt install rustc cargo`.
+- name: install rustup
+  become: yes
+  apt:
+    name: "rustup"
+    state: "present"
+
+- name: install a current stable rust toolchain
+  command: "rustup toolchain install stable"
+  environment:
+    CARGO_HOME: "{{mattertimectl_cargo_home}}"
+    RUSTUP_HOME: "{{mattertimectl_rustup_home}}"
+  when: not build_file.stat.exists
+
+- name: unarchive mattertimectl source
+  unarchive:
+    remote_src: yes
+    src: "{{mattertimectl_tar}}"
+    dest: "{{build_work_dir}}/"
+    creates: "{{mattertimectl_build_dir}}"
+
+- name: build mattertimectl release binary
+  # rustup run stable dispatches cargo through the toolchain regardless of
+  # the apt rustup package's proxy layout or the configured default.
+  command: "rustup run stable cargo build --release"
+  args:
+    chdir: "{{mattertimectl_build_dir}}"
+    creates: "{{mattertimectl_cargo_target_dir}}/release/mattertimectl"
+  environment:
+    CARGO_HOME: "{{mattertimectl_cargo_home}}"
+    RUSTUP_HOME: "{{mattertimectl_rustup_home}}"
+    CARGO_TARGET_DIR: "{{mattertimectl_cargo_target_dir}}"
+  when: not build_file.stat.exists
+
+- name: create build server dir
+  become: yes
+  file:
+    path: "{{mattertimectl_srv_dir}}"
+    mode: "0755"
+    state: "directory"
+
+- name: create gz archive of mattertimectl binary
+  become: yes
+  archive:
+    path: "{{mattertimectl_cargo_target_dir}}/release/mattertimectl"
+    dest: "{{mattertimectl_srv_dir}}/mattertimectl-{{mattertimectl_version}}.tar.gz"
+    format: "gz"
+    # force a real tar for the single-file binary; the module otherwise gzips
+    # a lone file into a bare .gz that the server's unarchive can't extract.
+    # The tar preserves the executable bit the target relies on.
+    force_archive: true
+  when: not build_file.stat.exists
diff --git a/mattertimectl/controller/defaults/main.yaml b/mattertimectl/controller/defaults/main.yaml
new file mode 100644
index 0000000..933a4bb
--- /dev/null
+++ b/mattertimectl/controller/defaults/main.yaml
@@ -0,0 +1,25 @@
+---
+
+# https://github.com/lukehoersten/mattertimectl/tags
+mattertimectl_version: "0.1.0"
+
+mattertimectl_user: "mattertimectl"
+mattertimectl_install_dir: "/opt/mattertimectl"
+mattertimectl_config_dir: "/etc/mattertimectl"
+# Persistent Matter fabric state: holds the controller's private keys and
+# operational certs, so it stays mode 0700 and owned by the service user.
+mattertimectl_storage_path: "/var/lib/mattertimectl"
+
+# --- config.json ---
+# IANA time-zone name (never a fixed UTC offset; DST is derived from it).
+mattertimectl_timezone: "America/Chicago"
+mattertimectl_log_level: "info"   # debug, info, warn, error
+mattertimectl_fabric_label: "Matter Time Controller"
+
+# --- systemd timer schedule ---
+mattertimectl_on_boot_sec: "2min"
+mattertimectl_on_active_sec: "1h"
+mattertimectl_randomized_delay_sec: "5min"
+
+# mattertimectl_bin_url: required, set in host_vars, e.g.
+#   http://{{build_server_host}}:{{build_server_port}}/mattertimectl-{{mattertimectl_version}}.tar.gz
diff --git a/mattertimectl/controller/handlers/main.yaml b/mattertimectl/controller/handlers/main.yaml
new file mode 100644
index 0000000..9b124e3
--- /dev/null
+++ b/mattertimectl/controller/handlers/main.yaml
@@ -0,0 +1,6 @@
+---
+
+- name: reload systemd
+  become: yes
+  systemd:
+    daemon_reload: "yes"
diff --git a/mattertimectl/controller/meta/main.yaml b/mattertimectl/controller/meta/main.yaml
new file mode 100644
index 0000000..0fa3794
--- /dev/null
+++ b/mattertimectl/controller/meta/main.yaml
@@ -0,0 +1,5 @@
+---
+
+# No runtime dependency: the Rust build is a single self-contained binary,
+# so the target needs no node or other runtime.
+dependencies: []
diff --git a/mattertimectl/controller/tasks/main.yaml b/mattertimectl/controller/tasks/main.yaml
new file mode 100644
index 0000000..a77145c
--- /dev/null
+++ b/mattertimectl/controller/tasks/main.yaml
@@ -0,0 +1,80 @@
+---
+
+- name: add mattertimectl user
+  become: yes
+  user:
+    name: "{{mattertimectl_user}}"
+    system: "yes"
+    shell: "/usr/sbin/nologin"
+    home: "{{mattertimectl_storage_path}}"
+    create_home: "no"
+
+- name: create mattertimectl directories
+  become: yes
+  file:
+    path: "{{item.path}}"
+    state: "directory"
+    owner: "{{item.owner}}"
+    group: "{{item.owner}}"
+    mode: "{{item.mode}}"
+  loop:
+    - { path: "{{mattertimectl_install_dir}}", owner: "root", mode: "0755" }
+    - { path: "{{mattertimectl_config_dir}}", owner: "root", mode: "0755" }
+    - { path: "{{mattertimectl_storage_path}}", owner: "{{mattertimectl_user}}", mode: "0700" }
+
+- name: check installed mattertimectl version
+  become: yes
+  stat:
+    path: "{{mattertimectl_install_dir}}/.installed-{{mattertimectl_version}}"
+  register: mattertimectl_installed
+
+- name: install mattertimectl bundle
+  become: yes
+  unarchive:
+    remote_src: yes
+    src: "{{mattertimectl_bin_url}}"
+    dest: "{{mattertimectl_install_dir}}/"
+    owner: "root"
+    group: "root"
+  when: not mattertimectl_installed.stat.exists
+
+- name: stamp installed mattertimectl version
+  become: yes
+  copy:
+    dest: "{{mattertimectl_install_dir}}/.installed-{{mattertimectl_version}}"
+    content: "{{mattertimectl_version}}\n"
+    mode: "0644"
+  when: not mattertimectl_installed.stat.exists
+
+- name: configure mattertimectl
+  become: yes
+  template:
+    src: "config.json.j2"
+    dest: "{{mattertimectl_config_dir}}/config.json"
+    owner: "root"
+    group: "{{mattertimectl_user}}"
+    mode: "0640"
+
+- name: install mattertimectl systemd service
+  become: yes
+  template:
+    src: "mattertimectl.service.j2"
+    dest: "/etc/systemd/system/mattertimectl.service"
+    mode: "0644"
+  notify: reload systemd
+
+- name: install mattertimectl systemd timer
+  become: yes
+  template:
+    src: "mattertimectl.timer.j2"
+    dest: "/etc/systemd/system/mattertimectl.timer"
+    mode: "0644"
+  notify: reload systemd
+
+- name: enable mattertimectl timer
+  become: yes
+  systemd:
+    name: "mattertimectl.timer"
+    enabled: "yes"
+    state: "started"
+    daemon_reload: "yes"
diff --git a/mattertimectl/controller/templates/config.json.j2 b/mattertimectl/controller/templates/config.json.j2
new file mode 100644
index 0000000..34f319c
--- /dev/null
+++ b/mattertimectl/controller/templates/config.json.j2
@@ -0,0 +1,6 @@
+{
+  "storagePath": "{{mattertimectl_storage_path}}",
+  "timezone": "{{mattertimectl_timezone}}",
+  "logLevel": "{{mattertimectl_log_level}}",
+  "fabricLabel": "{{mattertimectl_fabric_label}}"
+}
diff --git a/mattertimectl/controller/templates/mattertimectl.service.j2 b/mattertimectl/controller/templates/mattertimectl.service.j2
new file mode 100644
index 0000000..96cbeee
--- /dev/null
+++ b/mattertimectl/controller/templates/mattertimectl.service.j2
@@ -0,0 +1,15 @@
+[Unit]
+Description=Matter device clock synchronization
+Wants=network-online.target
+After=network-online.target time-sync.target
+
+[Service]
+Type=oneshot
+User={{mattertimectl_user}}
+Group={{mattertimectl_user}}
+ExecStart={{mattertimectl_install_dir}}/mattertimectl --config {{mattertimectl_config_dir}}/config.json sync
+NoNewPrivileges=true
+PrivateTmp=true
+ProtectSystem=strict
+ProtectHome=true
+ReadWritePaths={{mattertimectl_storage_path}}
diff --git a/mattertimectl/controller/templates/mattertimectl.timer.j2 b/mattertimectl/controller/templates/mattertimectl.timer.j2
new file mode 100644
index 0000000..a4242de
--- /dev/null
+++ b/mattertimectl/controller/templates/mattertimectl.timer.j2
@@ -0,0 +1,10 @@
+[Unit]
+Description=Periodic Matter device clock synchronization
+
+[Timer]
+OnBootSec={{mattertimectl_on_boot_sec}}
+OnUnitActiveSec={{mattertimectl_on_active_sec}}
+RandomizedDelaySec={{mattertimectl_randomized_delay_sec}}
+
+[Install]
+WantedBy=timers.target