added openwrt role and config for elevate router

11 files changed, 256 insertions, 27 deletions

diff --git a/roles/base/files/htoprc b/roles/base/files/htoprc
deleted file mode 100644
index 41add184..00000000
--- a/roles/base/files/htoprc
+++ /dev/null
@@ -1,26 +0,0 @@
-# Beware! This file is rewritten by htop when settings are changed in the interface.
-# The parser is also very primitive, and not human-friendly.
-fields=0 48 17 18 38 39 40 2 46 47 49 1
-sort_key=46
-sort_direction=1
-hide_threads=0
-hide_kernel_threads=1
-hide_userland_threads=1
-shadow_other_users=0
-show_thread_names=0
-show_program_path=1
-highlight_base_name=1
-highlight_megabytes=1
-highlight_threads=1
-tree_view=1
-header_margin=1
-detailed_cpu_time=0
-cpu_count_from_zero=0
-update_process_names=0
-account_guest_in_cpu_meter=0
-color_scheme=0
-delay=15
-left_meters=LeftCPUs Memory Swap
-left_meter_modes=1 1 1
-right_meters=RightCPUs Tasks LoadAverage Uptime
-right_meter_modes=1 2 2 2
diff --git a/roles/base/tasks/main.yml b/roles/base/tasks/main.yml
index f30cad66..767fd7fa 100644
--- a/roles/base/tasks/main.yml
+++ b/roles/base/tasks/main.yml
@@ -53,7 +53,7 @@
   - /root
   - /etc/skel
   copy:
-    src: htoprc
+    src: "{{ global_files_dir }}/common/htoprc"
     dest: "{{ item }}/.config/htop/"
 
 - name: Ensure /root is not world accessible
diff --git a/roles/openwrt/image/README.md b/roles/openwrt/image/README.md
new file mode 100644
index 00000000..95d9d106
--- /dev/null
+++ b/roles/openwrt/image/README.md
@@ -0,0 +1,8 @@
+# Build OpenWRT images with Ansible
+
+TODO: add possibility to disable root logins using /etc/shadow
+      this will also take care of the annoying
+         "There is no root password defined ..."
+      message when you log in.
+
+## Configuration
diff --git a/roles/openwrt/image/defaults/main.yml b/roles/openwrt/image/defaults/main.yml
new file mode 100644
index 00000000..f00a2e80
--- /dev/null
+++ b/roles/openwrt/image/defaults/main.yml
@@ -0,0 +1,17 @@
+---
+openwrt_variant: lede
+openwrt_release: 17.01.4
+openwrt_download_dir: "{{ global_cache_dir }}/openwrt"
+openwrt_tarball_basename: "{{ openwrt_variant }}-imagebuilder-{{ openwrt_release }}-{{ openwrt_arch }}-{{ openwrt_target }}.Linux-x86_64"
+openwrt_tarball_name: "{{ openwrt_tarball_basename }}.tar.xz"
+openwrt_target: generic
+
+openwrt_output_dir: "{{ global_artifacts_dir }}/{{ inventory_hostname }}/openwrt"
+openwrt_output_image_name_base: "{{ openwrt_variant }}-{{ openwrt_release }}-{{ openwrt_arch }}{% if openwrt_target != 'generic' %}-{{ openwrt_target }}{% endif %}"
+openwrt_output_image_suffixes:
+  - squashfs-sysupgrade.bin
+  - squashfs-factory.bin
+
+openwrt_packages_remove: []
+openwrt_packages_add: []
+openwrt_packages_extra: []
diff --git a/roles/openwrt/image/openwrt-keyring.gpg b/roles/openwrt/image/openwrt-keyring.gpg
new file mode 100644
index 00000000..e8a3e8b9
--- /dev/null
+++ b/roles/openwrt/image/openwrt-keyring.gpg
diff --git a/roles/openwrt/image/tasks/fetch.yml b/roles/openwrt/image/tasks/fetch.yml
new file mode 100644
index 00000000..f68c87db
--- /dev/null
+++ b/roles/openwrt/image/tasks/fetch.yml
@@ -0,0 +1,52 @@
+---
+- name: Create download directory
+  file:
+    dest: "{{ openwrt_download_dir }}"
+    state: directory
+
+- block:
+    - name: Generate OpenWrt download URLs
+      set_fact:
+        openwrt_url:
+          https://downloads.openwrt.org/releases/{{ openwrt_release }}/targets/{{ openwrt_arch | mandatory }}/{{ openwrt_target }}
+
+    - name: Download sha256sums
+      get_url:
+        url: "{{ openwrt_url }}/sha256sums"
+        dest: "{{ openwrt_download_dir }}/{{ openwrt_tarball_basename }}.sha256"
+
+    - name: Download sha256sums.asc
+      get_url:
+        url: "{{ openwrt_url }}/sha256sums.asc"
+        dest: "{{ openwrt_download_dir }}/{{ openwrt_tarball_basename }}.sha256.asc"
+
+    - name: Check OpenPGP signature
+      command: >-
+        gpg2 --no-options --no-default-keyring --secret-keyring /dev/null
+             --verify --keyring "{{ role_path }}/openwrt-keyring.gpg"
+             --trust-model always
+             "{{ openwrt_download_dir }}/{{ openwrt_tarball_basename }}.sha256.asc"
+      changed_when: False
+
+    - name: Extract SHA256 hash of the imagebuilder archive
+      command: grep '{{ openwrt_tarball_name }}' "{{ openwrt_download_dir }}/{{ openwrt_tarball_basename }}.sha256"
+      register: sha256
+      changed_when: False
+
+    - name: Download imagebuilder
+      get_url:
+        url: "{{ openwrt_url }}/{{ openwrt_tarball_name }}"
+        dest: "{{ openwrt_download_dir }}/{{ openwrt_tarball_name }}"
+        checksum: sha256:{{ sha256.stdout.split(' ') | first }}
+
+  rescue:
+    - name: Delete downloaded artifacts
+      file:
+        path: "{{ item }}"
+        state: absent
+      with_items:
+        - "{{ openwrt_download_dir }}/{{ openwrt_tarball_basename }}.sha256"
+        - "{{ openwrt_download_dir }}/{{ openwrt_tarball_basename }}.sha256.asc"
+        - "{{ openwrt_download_dir }}/{{ openwrt_tarball_name }}"
+    - fail:
+        msg: Something borked
diff --git a/roles/openwrt/image/tasks/main.yml b/roles/openwrt/image/tasks/main.yml
new file mode 100644
index 00000000..1781d9ee
--- /dev/null
+++ b/roles/openwrt/image/tasks/main.yml
@@ -0,0 +1,38 @@
+---
+- include: fetch.yml
+  run_once: true
+  when: openwrt_imgbuilder_tarball is not defined
+
+- block:
+    - include: prepare.yml
+
+    - name: Create the output directory for built images
+      file:
+        path: "{{ openwrt_output_dir }}"
+        state: directory
+
+    - set_fact:
+        openwrt_packages: >-
+          {{ openwrt_packages_remove | map('regex_replace', '^', '-') | join(' ') }}
+          {{ openwrt_packages_add   | join(' ') }}
+          {{ openwrt_packages_extra | join(' ') }}
+
+    - name: Build the OpenWrt image
+      command: >-
+        make -C {{ openwrt_imgbuilder_dir }}/{{ openwrt_tarball_basename }} image
+          {% if openwrt_profile is defined %}PROFILE="{{ openwrt_profile }}" {% endif %}
+          FILES="{{ openwrt_imgbuilder_files }}"
+          PACKAGES="{{ openwrt_packages }}"
+          {% if openwrt_extra_name is defined %} EXTRA_IMAGE_NAME="{{ openwrt_extra_name }}" {% endif %}
+
+    - name: Copy newly built OpenWrt image
+      with_items: "{{ openwrt_output_image_suffixes }}"
+      copy:
+        src: "{{ openwrt_imgbuilder_dir }}/{{ openwrt_tarball_basename }}/bin/targets/{{ openwrt_arch }}/{{ openwrt_target }}/{{ openwrt_output_image_name_base }}-{{ item }}"
+        dest: "{{ openwrt_output_dir }}"
+
+  always:
+    - name: Delete the temporary build directory
+      file:
+        path: "{{ openwrt_imgbuilder_dir }}"
+        state: absent
diff --git a/roles/openwrt/image/tasks/prepare.yml b/roles/openwrt/image/tasks/prepare.yml
new file mode 100644
index 00000000..3414371f
--- /dev/null
+++ b/roles/openwrt/image/tasks/prepare.yml
@@ -0,0 +1,95 @@
+---
+- name: Create temporary build directory
+  tempfile:
+    state: directory
+  register: tmpdir
+
+- set_fact:
+    openwrt_imgbuilder_dir:   "{{ tmpdir.path }}"
+    openwrt_imgbuilder_files: "{{ tmpdir.path }}/files"
+
+- name: Create the directories for mixins
+  file:
+    path: "{{ item }}"
+    state: directory
+    mode: '0755'
+  with_items:
+    - "{{ openwrt_download_dir }}/dl/{{ openwrt_arch }}"
+    - "{{ openwrt_imgbuilder_files }}/etc/config"
+    - "{{ openwrt_mixin | map('dirname') | map('regex_replace', '^', openwrt_imgbuilder_files) | unique | list }}"
+
+
+- name: Copy mixins in place [1/2]
+  copy:
+    src: "{{ item.value.file }}"
+    dest: "{{ openwrt_imgbuilder_files }}/{{ item.key }}"
+    mode: "{{ item.value.mode | default('0644') }}"
+  with_dict: "{{ openwrt_mixin }}"
+  when: '"file" in item.value'
+  loop_control:
+    label: "{{ item.key }}"
+
+- name: Copy mixins in place [2/2]
+  copy:
+    content: "{{ item.value.content }}"
+    dest: "{{ openwrt_imgbuilder_files }}/{{ item.key }}"
+    mode: "{{ item.value.mode | default('0644') }}"
+  with_dict: "{{ openwrt_mixin }}"
+  when: '"content" in item.value'
+  loop_control:
+    label: "{{ item.key }}"
+
+- name: Generate /etc/fstab
+  mount:
+    fstab: "{{ openwrt_imgbuilder_files }}/etc/fstab"
+    state: present
+    src: "{{ item.src | default(omit) }}"
+    path: "{{ item.path | default(omit) }}"
+    fstype: "{{ item.fstype | default(omit) }}"
+    opts: "{{ item.opts | default(omit) }}"
+    boot: "{{ item.boot | default(omit) }}"
+    dump: "{{ item.dump | default(omit) }}"
+    passno: "{{ item.passno | default(omit) }}"
+  when: openwrt_mounts is defined
+  with_items: "{{ openwrt_mounts }}"
+  loop_control:
+    label: "{{ item.path }}"
+
+
+- name: Create UCI configuration files
+  template:
+    src: uci.j2
+    dest: "{{ openwrt_imgbuilder_files }}/etc/config/{{ item.key }}"
+    mode: 0644
+    trim_blocks: yes
+#   force: no  ## TODO: fail when overwriting a file
+  with_dict: "{{ openwrt_uci }}"
+  loop_control:
+    label: "{{ item.key }}"
+
+- name: Create /etc/passwd
+  template:
+    src: passwd.j2
+    dest: "{{ openwrt_imgbuilder_files }}/etc/passwd"
+    mode: 0644
+    trim_blocks: yes
+  when: openwrt_users is defined
+
+- name: Create /etc/group
+  template:
+    src: group.j2
+    dest: "{{ openwrt_imgbuilder_files }}/etc/group"
+    mode: 0644
+    trim_blocks: yes
+  when: openwrt_groups is defined or openwrt_users is defined
+
+- unarchive:
+    copy: False
+    src:  "{{ openwrt_download_dir }}/{{ openwrt_tarball_name }}"
+    dest: "{{ openwrt_imgbuilder_dir }}"
+
+- name: Symlink the cache repository
+  file:
+    state: link
+    src: "{{ openwrt_download_dir }}/dl/{{ openwrt_arch }}"
+    path: "{{ openwrt_imgbuilder_dir }}/{{ openwrt_tarball_basename }}/dl"
diff --git a/roles/openwrt/image/templates/group.j2 b/roles/openwrt/image/templates/group.j2
new file mode 100644
index 00000000..cb433b88
--- /dev/null
+++ b/roles/openwrt/image/templates/group.j2
@@ -0,0 +1,21 @@
+{{ ansible_managed | comment }}
+root:x:0:
+daemon:x:1:
+adm:x:4:
+mail:x:8:
+audio:x:29:
+www-data:x:33:
+ftp:x:55:
+users:x:100:
+network:x:101:
+{% for name, opt in openwrt_users.items() %}
+{% if 'group_id' not in opt %}
+{{ name }}:x:{{ opt.id | default(loop.index + 110) }}:
+{% endif %}
+{% endfor %}
+{% if openwrt_groups is defined %}
+{% for name, opt in openwrt_groups.items() %}
+{{ name }}:x:{{ opt.id | default(loop.index + 200) }}:
+{% endfor %}
+{% endif %}
+nogroup:x:65534:
diff --git a/roles/openwrt/image/templates/passwd.j2 b/roles/openwrt/image/templates/passwd.j2
new file mode 100644
index 00000000..9beaeb61
--- /dev/null
+++ b/roles/openwrt/image/templates/passwd.j2
@@ -0,0 +1,9 @@
+{{ ansible_managed | comment }}
+root:x:0:0:root:/root:/bin/ash
+daemon:*:1:1:daemon:/var:/bin/false
+ftp:*:55:55:ftp:/home/ftp:/bin/false
+network:*:101:101:network:/var:/bin/false
+{% for name, opt in openwrt_users.items() %}
+{{ name }}:*:{{ opt.id | default(loop.index + 110) }}:{{ opt.gid | default(loop.index + 110) }}:{{ name }}:{{ opt.home | default('/nonexistent') }}:{{ opt.shell | default('/bin/false') }}
+{% endfor %}
+nobody:*:65534:65534:nobody:/var:/bin/false
diff --git a/roles/openwrt/image/templates/uci.j2 b/roles/openwrt/image/templates/uci.j2
new file mode 100644
index 00000000..3cc480b2
--- /dev/null
+++ b/roles/openwrt/image/templates/uci.j2
@@ -0,0 +1,15 @@
+{{ ansible_managed | comment }}
+
+{% for section in item.value %}
+config {{ section.name }}
+{% for option, value in section.options.items() %}
+{%   if value is iterable and value is not string %}
+{%      for v in value %}
+  list {{ option }} '{{ v }}'
+{%      endfor %}
+{%   else %}
+  option {{ option }} '{{ value }}'
+{%   endif %}
+{% endfor %}
+
+{% endfor %}