From 1c25ed669c4a4ce68245826455362c9058550878 Mon Sep 17 00:00:00 2001
From: Matthew Mosesohn <matthew.mosesohn@gmail.com>
Date: Wed, 6 Nov 2019 21:11:52 +0300
Subject: [PATCH] Remove unnecessary and risky reload network for resolvconf
propagation (#5322)
Change-Id: I54d706f7941b4b86c4c6cd45340295577155b884
---
roles/kubernetes/preinstall/handlers/main.yml | 17 +----------------
.../preinstall/tasks/0060-resolvconf.yml | 6 +++---
.../preinstall/tasks/0100-dhclient-hooks.yml | 6 +++---
.../tasks/0110-dhclient-hooks-undo.yml | 4 ++--
4 files changed, 9 insertions(+), 24 deletions(-)
diff --git a/roles/kubernetes/preinstall/handlers/main.yml b/roles/kubernetes/preinstall/handlers/main.yml
index 81d13d412..627d3fccb 100644
--- a/roles/kubernetes/preinstall/handlers/main.yml
+++ b/roles/kubernetes/preinstall/handlers/main.yml
@@ -1,8 +1,7 @@
---
-- name: Preinstall | restart network
+- name: Preinstall | propagate resolvconf to k8s components
command: /bin/true
notify:
- - Preinstall | reload network
- Preinstall | reload kubelet
- Preinstall | kube-controller configured
- Preinstall | kube-apiserver configured
@@ -12,20 +11,6 @@
- Preinstall | restart kube-apiserver crio/containerd
when: not ansible_os_family in ["CoreOS", "Container Linux by CoreOS"]
- # FIXME(bogdando) https://github.com/projectcalico/felix/issues/1185
-- name: Preinstall | reload network
- service:
- name: >-
- {% if ansible_os_family == "RedHat" -%}
- network
- {%- elif ansible_distribution == "Ubuntu" and ansible_distribution_release == "bionic" -%}
- systemd-networkd
- {%- elif ansible_os_family == "Debian" -%}
- networking
- {%- endif %}
- state: restarted
- when: not ansible_os_family in ["CoreOS", "Container Linux by CoreOS"] and kube_network_plugin not in ['canal', 'calico']
-
- name: Preinstall | update resolvconf for Container Linux by CoreOS
command: /bin/true
notify:
diff --git a/roles/kubernetes/preinstall/tasks/0060-resolvconf.yml b/roles/kubernetes/preinstall/tasks/0060-resolvconf.yml
index a57e567fe..38455bbef 100644
--- a/roles/kubernetes/preinstall/tasks/0060-resolvconf.yml
+++ b/roles/kubernetes/preinstall/tasks/0060-resolvconf.yml
@@ -18,7 +18,7 @@
create: yes
backup: yes
marker: "# Ansible entries {mark}"
- notify: Preinstall | restart network
+ notify: Preinstall | propagate resolvconf to k8s components
- name: Remove search/domain/nameserver options before block
replace:
@@ -29,7 +29,7 @@
with_nested:
- "{{ [resolvconffile, base|default(''), head|default('')] | difference(['']) }}"
- [ 'search ', 'nameserver ', 'domain ', 'options ' ]
- notify: Preinstall | restart network
+ notify: Preinstall | propagate resolvconf to k8s components
- name: Remove search/domain/nameserver options after block
replace:
@@ -41,7 +41,7 @@
with_nested:
- "{{ [resolvconffile, base|default(''), head|default('')] | difference(['']) }}"
- [ 'search ', 'nameserver ', 'domain ', 'options ' ]
- notify: Preinstall | restart network
+ notify: Preinstall | propagate resolvconf to k8s components
- name: get temporary resolveconf cloud init file content
diff --git a/roles/kubernetes/preinstall/tasks/0100-dhclient-hooks.yml b/roles/kubernetes/preinstall/tasks/0100-dhclient-hooks.yml
index 52ffb8b86..6599a21d4 100644
--- a/roles/kubernetes/preinstall/tasks/0100-dhclient-hooks.yml
+++ b/roles/kubernetes/preinstall/tasks/0100-dhclient-hooks.yml
@@ -11,7 +11,7 @@
insertbefore: BOF
backup: yes
marker: "# Ansible entries {mark}"
- notify: Preinstall | restart network
+ notify: Preinstall | propagate resolvconf to k8s components
when: dhclientconffile is defined
- name: Configure dhclient hooks for resolv.conf (non-RH)
@@ -20,7 +20,7 @@
dest: "{{ dhclienthookfile }}"
owner: root
mode: 0755
- notify: Preinstall | restart network
+ notify: Preinstall | propagate resolvconf to k8s components
when: ansible_os_family != "RedHat"
- name: Configure dhclient hooks for resolv.conf (RH-only)
@@ -29,5 +29,5 @@
dest: "{{ dhclienthookfile }}"
owner: root
mode: 0755
- notify: Preinstall | restart network
+ notify: Preinstall | propagate resolvconf to k8s components
when: ansible_os_family == "RedHat"
diff --git a/roles/kubernetes/preinstall/tasks/0110-dhclient-hooks-undo.yml b/roles/kubernetes/preinstall/tasks/0110-dhclient-hooks-undo.yml
index cf935a363..0d38571ee 100644
--- a/roles/kubernetes/preinstall/tasks/0110-dhclient-hooks-undo.yml
+++ b/roles/kubernetes/preinstall/tasks/0110-dhclient-hooks-undo.yml
@@ -10,11 +10,11 @@
backup: yes
marker: "# Ansible entries {mark}"
when: dhclientconffile is defined
- notify: Preinstall | restart network
+ notify: Preinstall | propagate resolvconf to k8s components
- name: Remove kubespray specific dhclient hook
file:
path: "{{ dhclienthookfile }}"
state: absent
when: dhclienthookfile is defined
- notify: Preinstall | restart network
+ notify: Preinstall | propagate resolvconf to k8s components
--
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