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Re-add DNS nameservers into /etc/resolv.conf on NetworkManager restart #209

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Merged
praveenkumar merged 1 commit into from
Nov 17, 2025
Merged

Re-add DNS nameservers into /etc/resolv.conf on NetworkManager restart #209

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41 changes: 25 additions & 16 deletions ansible/roles/deploy-crc-cloud/tasks/dnsmasq.yaml
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Original file line number Diff line number Diff line change
@@ -1,5 +1,30 @@
---
# From https://github.com/crc-org/crc-cloud/blob/main/pkg/bundle/setup/clustersetup.sh#L101
- name: Disable overwriting /etc/resolv.conf by the NetworkManager
become: true
ansible.builtin.copy:
content: |
[main]
dns=none
dest: /etc/NetworkManager/conf.d/00-custom-crc.conf
register: _disable_dns_overwrite

- name: Restart NetworkManager when its needed
when: _disable_dns_overwrite.changed
become: true
ansible.builtin.systemd:
name: NetworkManager
state: restarted

- name: Ensure /etc/resolv.conf is not a symlink and is writable
become: true
ansible.builtin.file:
path: /etc/resolv.conf
state: file
owner: root
group: root
mode: '0644'

- name: Create crc-dnsmasq.conf
become: true
ansible.builtin.copy:
Expand All @@ -26,22 +51,6 @@
loop: "{{ [ansible_default_ipv4.address] + ansible_facts['dns']['nameservers'] | flatten }}"
register: _etc_resolv

- name: Disable overwriting /etc/resolv.conf by the NetworkManager
become: true
ansible.builtin.copy:
content: |
[main]
dns=none
dest: /etc/NetworkManager/conf.d/00-custom-crc.conf
register: _disable_dns_overwrite

- name: Restart NetworkManager when its needed
when: _disable_dns_overwrite.changed
become: true
ansible.builtin.systemd:
name: NetworkManager
state: restarted

- name: Restart dnsmasq
when: _etc_resolv.changed
become: true
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