Add configuration option for NRI in crio & containerd (#10454)

* [containerd] Add Configuration option for Node Resource Interface

Node Resource Interface (NRI) is a common is a common framework for
plugging domain or vendor-specific custom logic into container
runtime like containerd. With this commit, we introduce the
containerd_disable_nri configuration flag, providing cluster
administrators the flexibility to opt in or out (defaulted to 'out')
of this feature in containerd. In line with containerd's default
configuration, NRI is disabled by default in this containerd role
defaults.

Signed-off-by: Feruzjon Muyassarov <feruzjon.muyassarov@intel.com>

* [cri-o] Add configuration option for Node Resource Interface

Node Resource Interface (NRI) is a common is a common framework for
plugging domain or vendor-specific custom logic into container
runtimes like containerd/crio. With this commit, we introduce the
crio_enable_nri configuration flag, providing cluster
administrators the flexibility to opt in or out (defaulted to 'out')
of this feature in cri-o runtime. In line with crio's default
configuration, NRI is disabled by default in this cri-o role
defaults.

Signed-off-by: Feruzjon Muyassarov <feruzjon.muyassarov@intel.com>

---------

Signed-off-by: Feruzjon Muyassarov <feruzjon.muyassarov@intel.com>

roles/container-engine/containerd/defaults/main.yml

@@ -64,6 +64,9 @@ containerd_enable_unprivileged_ports: false
 # If enabled it will allow non root users to use icmp sockets
 containerd_enable_unprivileged_icmp: false
 
+# If enabled, it will activate the NRI support in containerd
+containerd_nri_disable: true
+
 containerd_cfg_dir: /etc/containerd
 
 # Extra config to be put in {{ containerd_cfg_dir }}/config.toml literally

roles/container-engine/containerd/templates/config.toml.j2

@@ -78,6 +78,9 @@ oom_score = {{ containerd_oom_score }}
 {% endif %}
 {% endfor %}
 
+  [plugins."io.containerd.nri.v1.nri"]
+    disable = {{ containerd_nri_disable | default(true) | lower }}
+
 {% if containerd_extra_args is defined %}
 {{ containerd_extra_args }}
 {% endif %}

roles/container-engine/cri-o/defaults/main.yml

@@ -97,3 +97,6 @@ crio_man_files:
   8:
     - crio
     - crio-status
+
+# If set to true, it will enable the NRI support in cri-o
+crio_enable_nri: false

roles/container-engine/cri-o/templates/crio.conf.j2

@@ -376,3 +376,8 @@ enable_metrics = {{ crio_enable_metrics | bool | lower }}
 
 # The port on which the metrics server will listen.
 metrics_port = {{ crio_metrics_port }}
+
+[crio.nri]
+
+# Enable or disable NRI (Node Resource Interface) support in CRI-O.
+enable_nri={{ crio_enable_nri | default(false) | lower }}