k3s/cluster/saltbase/salt/kube-proxy/kube-proxy.manifest

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{% set kubeconfig = "--kubeconfig=/var/lib/kube-proxy/kubeconfig" -%}
{% if grains.api_servers is defined -%}
{% set api_servers = "--master=https://" + grains.api_servers -%}
{% else -%}
{% set ips = salt['mine.get']('roles:kubernetes-master', 'network.ip_addrs', 'grain').values() -%}
{% set api_servers = "--master=https://" + ips[0][0] -%}
{% endif -%}
{% if grains['cloud'] is defined and grains.cloud in [ 'aws', 'gce', 'vagrant', 'photon-controller', 'openstack', 'azure-legacy' ] %}
{% set api_servers_with_port = api_servers -%}
{% else -%}
{% set api_servers_with_port = api_servers + ":6443" -%}
{% endif -%}
{% set test_args = "" -%}
{% if pillar['kubeproxy_test_args'] is defined -%}
{% set test_args=pillar['kubeproxy_test_args'] %}
{% endif -%}
{% set cluster_cidr = "" -%}
{% if pillar['cluster_cidr'] is defined -%}
{% set cluster_cidr=" --cluster-cidr=" + pillar['cluster_cidr'] %}
{% endif -%}
{% set log_level = pillar['log_level'] -%}
{% if pillar['kubeproxy_test_log_level'] is defined -%}
{% set log_level = pillar['kubeproxy_test_log_level'] -%}
{% endif -%}
{% set feature_gates = "" -%}
{% if grains.feature_gates is defined -%}
{% set feature_gates = "--feature-gates=" + grains.feature_gates -%}
{% endif -%}
{% set throttles = "--iptables-sync-period=1m --iptables-min-sync-period=10s" -%}
# test_args should always go last to overwrite prior configuration
{% set params = log_level + " " + throttles + " " + feature_gates + " " + test_args -%}
{% set container_env = "" -%}
# kube-proxy podspec
apiVersion: v1
kind: Pod
metadata:
name: kube-proxy
namespace: kube-system
# This annotation ensures that kube-proxy does not get evicted if the node
# supports critical pod annotation based priority scheme.
# Note that kube-proxy runs as a static pod so this annotation does NOT have
# any effect on rescheduler (default scheduler and rescheduler are not
# involved in scheduling kube-proxy).
annotations:
scheduler.alpha.kubernetes.io/critical-pod: ''
labels:
tier: node
component: kube-proxy
spec:
hostNetwork: true
initContainers:
- name: touch-lock
image: busybox
command: ['/bin/touch', '/run/xtables.lock']
securityContext:
privileged: true
volumeMounts:
- mountPath: /run
name: run
readOnly: false
containers:
- name: kube-proxy
image: {{pillar['kube_docker_registry']}}/kube-proxy:{{pillar['kube-proxy_docker_tag']}}
resources:
requests:
cpu: {{ cpurequest }}
command:
- /bin/sh
- -c
- echo -998 > /proc/$$$/oom_score_adj && kube-proxy {{api_servers_with_port}} {{kubeconfig}} {{cluster_cidr}} --resource-container="" {{params}} 1>>/var/log/kube-proxy.log 2>&1
{{container_env}}
securityContext:
privileged: true
volumeMounts:
- mountPath: /etc/ssl/certs
name: etc-ssl-certs
readOnly: true
- mountPath: /usr/share/ca-certificates
name: usr-ca-certs
readOnly: true
- mountPath: /var/log
name: varlog
readOnly: false
- mountPath: /var/lib/kube-proxy/kubeconfig
name: kubeconfig
readOnly: false
- mountPath: /run/xtables.lock
name: iptableslock
readOnly: false
volumes:
- hostPath:
path: /usr/share/ca-certificates
name: usr-ca-certs
- hostPath:
path: /etc/ssl/certs
name: etc-ssl-certs
- hostPath:
path: /var/lib/kube-proxy/kubeconfig
type: FileOrCreate
name: kubeconfig
- hostPath:
path: /var/log
name: varlog
- hostPath:
path: /run
name: run
- hostPath:
path: /run/xtables.lock
type: FileOrCreate
name: iptableslock