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authorAlex Auvolat <alex@adnab.me>2020-01-18 17:34:55 +0100
committerAlex Auvolat <alex@adnab.me>2020-06-30 17:31:35 +0200
commit351e6f13d5bee3275f46fda4a1780c71d9f338d6 (patch)
tree675a202635ed79730f9b3965782e0b28130de992 /ansible/roles/network/tasks/main.yml
parent8fdebd74b37ae1766e03b39b8a3d6d84ef549a74 (diff)
downloadinfrastructure-351e6f13d5bee3275f46fda4a1780c71d9f338d6.tar.gz
infrastructure-351e6f13d5bee3275f46fda4a1780c71d9f338d6.zip
Network configuration:
- Remove nomad interface (unused) - Deactivate systemd-resolved - Add dns_server to production nodes variables - Add recursors option to Consul so that it can resolve outside DNS queries - Use consul as a global DNS server for machines and containers, with the outside DNS as a fallback (see roles/consul/templates/resolv.conf.j2)
Diffstat (limited to 'ansible/roles/network/tasks/main.yml')
-rw-r--r--ansible/roles/network/tasks/main.yml33
1 files changed, 11 insertions, 22 deletions
diff --git a/ansible/roles/network/tasks/main.yml b/ansible/roles/network/tasks/main.yml
index 7f95b0f..ee2f21e 100644
--- a/ansible/roles/network/tasks/main.yml
+++ b/ansible/roles/network/tasks/main.yml
@@ -1,9 +1,3 @@
-- name: "Add dummy interface to handle Nomad NAT restriction nomad#2770"
- template: src=nomad-interface.j2 dest=/etc/network/interfaces.d/nomad.cfg
- when: public_ip != private_ip
- notify:
- - reload nomad interface
-
- name: "Deploy iptablesv4 configuration"
template: src=rules.v4.j2 dest=/etc/iptables/rules.v4
notify:
@@ -20,23 +14,18 @@
value: 1
sysctl_set: yes
-- name: "Create systemd-resolved override directory"
- file: path=/etc/systemd/resolved.conf.d/ state=directory
-
-- name: "Prevent systemd-resolved from listening on port 53 (DNS)"
- copy: src=systemd-resolve-no-listen.conf dest=/etc/systemd/resolved.conf.d/systemd-resolve-no-listen.conf
- notify: reload systemd-resolved
+- name: "Flush handlers"
+ meta: flush_handlers
-- name: "Use systemd-resolved as a source for /etc/resolv.conf"
- file:
- src: "/run/systemd/resolve/resolv.conf"
- dest: "/etc/resolv.conf"
- state: link
- force: yes
- notify: reload systemd-resolved
-- name: "Update nsswitch.conf to use systemd-resolved"
+# These two lines are used to undo previous config, remove them once it is done
+- name: "Update nsswitch.conf to not use systemd-resolved"
copy: src=nsswitch.conf dest=/etc/nsswitch.conf
-- name: "Flush handlers"
- meta: flush_handlers
+- name: "Disable systemd-resolved"
+ systemd:
+ name: systemd-resolved
+ state: stopped
+ enabled: false
+
+