Add knotd role

roles/knotd/defaults/main.yml

@@ -0,0 +1,23 @@
+---
+knotd__run_dir: /run/knot
+knotd__user: knot
+knotd__group: knot
+knotd__listen: []
+knotd__port: 53
+knotd__database_dir: /var/lib/knot
+knotd__keys: []
+knotd__remotes: []
+knotd__submissions: []
+knotd__policies: []
+knotd__reproducible_signing: true
+knotd__nsec3: true
+knotd__cds_cdnskey_publish: rollover
+knotd__acl: []
+knotd__acl_update_owner: name
+knotd__acl_update_owner_match: equal
+knotd__zones_dir: "{{ knotd__database_dir }}/zones"
+knotd__semantic_checks: true
+knotd__serial_policy: increment
+knotd__zones: []
+knotd__dnssec_validation: true
+...

roles/knotd/handlers/main.yml

@@ -0,0 +1,11 @@
+---
+- name: Restart knotd
+  systemd:
+    name: knot.service
+    state: restarted
+
+- name: Reload knotd
+  systemd:
+    name: knot.service
+    state: reloaded
+...

roles/knotd/tasks/main.yml

@@ -0,0 +1,60 @@
+---
+- name: Install knotd and dnspython
+  apt:
+    name:
+      - knot
+      - python3-dnspython
+
+- name: Install config files
+  template:
+    src: knot.conf.j2
+    dest: /etc/knot/knot.conf
+    owner: root
+    group: knot
+    mode: u=rw,g=r,o=
+  notify:
+    - Restart knotd
+
+- name: Create zones directory
+  file:
+    path: "{{ knotd__zones_dir }}"
+    state: directory
+    owner: root 
+    group: "{{ knotd__group }}"
+    mode: u=rwx,g=rx,o=
+
+- name: Create zone files
+  dns_zone:
+    path: "{{ knotd__zones_dir }}/{{ item.key }}.zone"
+    owner: root
+    group: "{{ knotd__group }}"
+    mode: u=rw,g=r,o=
+    origin: "{{ item.key }}"
+    soa: "{{ item.value.soa }}"
+    hosts: "{{ item.value.hosts | default(omit) }}"
+    ns: "{{ item.value.ns | default(omit) }}"
+    mx: "{{ item.value.mx | default(omit) }}"
+    cname: "{{ item.value.cname | default(omit) }}"
+    txt: "{{ item.value.txt | default(omit) }}"
+    a: "{{ item.value.a | default(omit) }}"
+    aaaa: "{{ item.value.aaaa | default(omit) }}"
+  when: "item.value.master is not defined
+         and (item.value.enabled | default(true))"
+  loop: "{{ knotd__zones | dict2items }}"
+  notify:
+    - Reload knotd
+
+- name: Remove disabled zone files
+  file:
+    path: "{{ knotd__zones_dir }}/{{ item.key }}.zone"
+    state: absent
+  when: "item.value.master is not defined
+         and not (item.value.enabled | default(true))"
+  loop: "{{ knotd__zones | dict2items }}"
+
+- name: Enable and start knotd
+  systemd:
+    name: knot.service
+    enabled: true
+    state: started
+...

roles/knotd/templates/knot.conf.j2

@@ -0,0 +1,127 @@
+server:
+  rundir: "{{ knotd__run_dir }}"
+  user: {{ knotd__user }}:{{ knotd__group }}
+{% for listen in knotd__listen %}
+  listen: {{ listen.address }}@{{ listen.port | default(knotd__port) }}
+{% endfor %}
+
+log:
+  - target: syslog
+    any: info
+
+database:
+  storage: "{{ knotd__database_dir }}"
+
+{% if knotd__keys %}
+key:
+{% for id, key in knotd__keys.items() %}
+  - id: {{ id }}
+    algorithm: {{ key.algorithm }}
+    secret: {{ key.secret }}
+{% endfor %}
+{% endif %}
+
+{% if knotd__remotes %}
+remote:
+{% for id, remote in knotd__remotes.items() %}
+  - id: {{ id }}
+    address: {{ remote.address }}
+{% if "key" in remote %}
+    key: {{ remote.key }}
+{% endif %}
+{% endfor %}
+{% endif %}
+
+{% if knotd__submissions %}
+submission:
+{% for id, submission in knotd__submissions.items() %}
+  - id: {{ id }}
+    parent: {{ submission.parent }}
+{% endfor %}
+{% endif %}
+
+{% if knotd__policies %}
+policy:
+{% for id, policy in knotd__policies.items() %}
+  - id: {{ id }}
+    algorithm: {{ policy.algorithm }}
+{% if policy.algorithm.startswith("ECDSA") %}
+    reproducible-signing: {{ policy.reproducible_signing
+                             | default(knotd__reproducible_signing)
+                             | ternary("on", "off") }}
+{% endif %}
+    ksk-lifetime: {{ policy.ksk_lifetime }}
+    zsk-lifetime: {{ policy.zsk_lifetime }}
+    nsec3: {{ policy.nsec3
+              | default(knotd__nsec3)
+              | ternary("on", "off") }}
+{% if "ds_push" in policy %}
+    ds-push: {{ policy.ds_push }}
+{% endif %}
+    cds-cdnskey-publish: {{ policy.cds_cdnskey_publish
+                            | default(knotd__cds_cdnskey_publish) }}
+{% if "ksk_submission" in policy %}
+    ksk-submission: {{ policy.ksk_submission }}
+{% endif %}
+{% endfor %}
+{% endif %}
+
+{% if knotd__acl %}
+acl:
+{% for id, acl in knotd__acl.items() %}
+  - id: {{ id }}
+{% if "addresses" in acl %}
+    address: [ {{ acl.addresses | join(", ") }} ]
+{% endif %}
+    action: {{ acl.action }}
+{% if acl.action == "update" %}
+    update-type: [ {{ acl.update_types | join(", ") }} ]
+    update-owner: {{ acl.update_owner
+                     | default(knotd__acl_update_owner) }}
+    update-owner-match: {{ acl.update_owner_match
+                           | default(knotd__acl_update_owner_match) }}
+    update-owner-name: [ {{ acl.update_owner_name | join(", ") }} ]
+{% endif %}
+{% if "key" in acl %}
+    key: {{ acl.key }}
+{% endif %}
+{% endfor %}
+{% endif %}
+
+template:
+  - id: default
+    storage: "{{ knotd__zones_dir }}"
+    file: "%s.zone"
+    semantic-checks: {{ knotd__semantic_checks
+                        | ternary("on", "off") }}
+    zonefile-sync: -1
+    zonefile-load: difference-no-serial
+    journal-content: changes
+    journal-content: all
+    serial-policy: {{ knotd__serial_policy }}
+
+{% if knotd__zones %}
+zone:
+{% for domain, zone in knotd__zones.items() %}
+{% if zone.enabled | default(true) %}
+  - domain: {{ domain }}
+{% if "notify" in zone %}
+    notify: [ {{ zone.notify | join(", ") }} ]
+{% endif %}
+{% if "acl" in zone %}
+    acl: [ {{ zone.acl | join(", ") }} ]
+{% endif %}
+{% if "master" in zone %}
+    master: {{ zone.master }}
+{% endif %}
+{% if "dnssec_policy" in zone %}
+    dnssec-policy: {{ zone.dnssec_policy }}
+    dnssec-signing: on
+{% else %}
+    dnssec-validation: {{ zone.dnssec_validation
+                          | default(knotd__dnssec_validation)
+                          | ternary("on", "off") }}
+{% endif %}
+{% endif %}
+{% endfor %}
+{% endif %}