c12s-kubespray/roles/kubernetes/master/templates/manifests/kube-apiserver.manifest.j2
Matthew Mosesohn d487b2f927 Security best practice fixes (#1783)
* Disable basic and token auth by default

* Add recommended security params

* allow basic auth to fail in tests

* Enable TLS authentication for kubelet
2017-10-15 20:41:17 +01:00

154 lines
5.5 KiB
Django/Jinja

apiVersion: v1
kind: Pod
metadata:
name: kube-apiserver
namespace: {{system_namespace}}
labels:
k8s-app: kube-apiserver
kubespray: v2
annotations:
kubespray.etcd-cert/serial: "{{ etcd_client_cert_serial }}"
kubespray.apiserver-cert/serial: "{{ apiserver_cert_serial }}"
spec:
hostNetwork: true
{% if kube_version | version_compare('v1.6', '>=') %}
dnsPolicy: ClusterFirst
{% endif %}
containers:
- name: kube-apiserver
image: {{ hyperkube_image_repo }}:{{ hyperkube_image_tag }}
imagePullPolicy: {{ k8s_image_pull_policy }}
resources:
limits:
cpu: {{ kube_apiserver_cpu_limit }}
memory: {{ kube_apiserver_memory_limit }}
requests:
cpu: {{ kube_apiserver_cpu_requests }}
memory: {{ kube_apiserver_memory_requests }}
command:
- /hyperkube
- apiserver
- --advertise-address={{ ip | default(ansible_default_ipv4.address) }}
- --etcd-servers={{ etcd_access_addresses }}
- --etcd-quorum-read=true
- --etcd-cafile={{ etcd_cert_dir }}/ca.pem
- --etcd-certfile={{ etcd_cert_dir }}/node-{{ inventory_hostname }}.pem
- --etcd-keyfile={{ etcd_cert_dir }}/node-{{ inventory_hostname }}-key.pem
- --insecure-bind-address={{ kube_apiserver_insecure_bind_address }}
- --apiserver-count={{ kube_apiserver_count }}
- --admission-control={{ kube_apiserver_admission_control | join(',') }}
- --service-cluster-ip-range={{ kube_service_addresses }}
- --service-node-port-range={{ kube_apiserver_node_port_range }}
- --client-ca-file={{ kube_cert_dir }}/ca.pem
- --profiling=false
- --repair-malformed-updates=false
- --kubelet-client-certificate={{ kube_cert_dir }}/node-{{ inventory_hostname }}.pem
- --kubelet-client-key={{ kube_cert_dir }}/node-{{ inventory_hostname }}-key.pem
- --service-account-lookup=true
{% if kube_basic_auth|default(true) %}
- --basic-auth-file={{ kube_users_dir }}/known_users.csv
{% endif %}
- --tls-cert-file={{ kube_cert_dir }}/apiserver.pem
- --tls-private-key-file={{ kube_cert_dir }}/apiserver-key.pem
- --proxy-client-cert-file={{ kube_cert_dir }}/apiserver.pem
- --proxy-client-key-file={{ kube_cert_dir }}/apiserver-key.pem
{% if kube_token_auth|default(true) %}
- --token-auth-file={{ kube_token_dir }}/known_tokens.csv
{% endif %}
- --service-account-key-file={{ kube_cert_dir }}/apiserver-key.pem
{% if kube_oidc_auth|default(false) and kube_oidc_url is defined and kube_oidc_client_id is defined %}
- --oidc-issuer-url={{ kube_oidc_url }}
- --oidc-client-id={{ kube_oidc_client_id }}
{% if kube_oidc_ca_file is defined %}
- --oidc-ca-file={{ kube_oidc_ca_file }}
{% endif %}
{% if kube_oidc_username_claim is defined %}
- --oidc-username-claim={{ kube_oidc_username_claim }}
{% endif %}
{% if kube_oidc_groups_claim is defined %}
- --oidc-groups-claim={{ kube_oidc_groups_claim }}
{% endif %}
{% endif %}
- --secure-port={{ kube_apiserver_port }}
- --insecure-port={{ kube_apiserver_insecure_port }}
- --storage-backend={{ kube_apiserver_storage_backend }}
{% if kube_api_runtime_config is defined %}
{% for conf in kube_api_runtime_config %}
- --runtime-config={{ conf }}
{% endfor %}
{% endif %}
{% if enable_network_policy %}
- --runtime-config=extensions/v1beta1/networkpolicies=true
{% endif %}
- --v={{ kube_log_level }}
- --allow-privileged=true
{% if cloud_provider is defined and cloud_provider in ["openstack", "azure", "vsphere"] %}
- --cloud-provider={{ cloud_provider }}
- --cloud-config={{ kube_config_dir }}/cloud_config
{% elif cloud_provider is defined and cloud_provider == "aws" %}
- --cloud-provider={{ cloud_provider }}
{% endif %}
{% if kube_api_anonymous_auth is defined and kube_version | version_compare('v1.5', '>=') %}
- --anonymous-auth={{ kube_api_anonymous_auth }}
{% endif %}
{% if authorization_modes %}
- --authorization-mode={{ authorization_modes|join(',') }}
{% endif %}
{% if kube_feature_gates %}
- --feature-gates={{ kube_feature_gates|join(',') }}
{% endif %}
{% if apiserver_custom_flags is string %}
- {{ apiserver_custom_flags }}
{% else %}
{% for flag in apiserver_custom_flags %}
- {{ flag }}
{% endfor %}
{% endif %}
livenessProbe:
httpGet:
host: 127.0.0.1
path: /healthz
port: {{ kube_apiserver_insecure_port }}
initialDelaySeconds: 30
timeoutSeconds: 10
volumeMounts:
- mountPath: {{ kube_config_dir }}
name: kubernetes-config
readOnly: true
- mountPath: /etc/ssl
name: ssl-certs-host
readOnly: true
{% for dir in ssl_ca_dirs %}
- mountPath: {{ dir }}
name: {{ dir | regex_replace('^/(.*)$', '\\1' ) | regex_replace('/', '-') }}
readOnly: true
{% endfor %}
- mountPath: {{ etcd_cert_dir }}
name: etcd-certs
readOnly: true
{% if cloud_provider is defined and cloud_provider == 'aws' and ansible_os_family == 'RedHat' %}
- mountPath: /etc/ssl/certs/ca-bundle.crt
name: rhel-ca-bundle
readOnly: true
{% endif %}
volumes:
- hostPath:
path: {{ kube_config_dir }}
name: kubernetes-config
- name: ssl-certs-host
hostPath:
path: /etc/ssl
{% for dir in ssl_ca_dirs %}
- name: {{ dir | regex_replace('^/(.*)$', '\\1' ) | regex_replace('/', '-') }}
hostPath:
path: {{ dir }}
{% endfor %}
- hostPath:
path: {{ etcd_cert_dir }}
name: etcd-certs
{% if cloud_provider is defined and cloud_provider == 'aws' and ansible_os_family == 'RedHat' %}
- hostPath:
path: /etc/ssl/certs/ca-bundle.crt
name: rhel-ca-bundle
{% endif %}