cb2e5ac776
* Drop linux capabilities for unprivileged containerized worlkoads Kargo configures for deployments. * Configure required securityContext/user/group/groups for kube components' static manifests, etcd, calico-rr and k8s apps, like dnsmasq daemonset. * Rework cloud-init (etcd) users creation for CoreOS. * Fix nologin paths, adjust defaults for addusers role and ensure supplementary groups membership added for users. * Add netplug user for network plugins (yet unused by privileged networking containers though). * Grant the kube and netplug users read access for etcd certs via the etcd certs group. * Grant group read access to kube certs via the kube cert group. * Remove priveleged mode for calico-rr and run it under its uid/gid and supplementary etcd_cert group. * Adjust docs. * Align cpu/memory limits and dropped caps with added rkt support for control plane. Signed-off-by: Bogdan Dobrelya <bogdando@mail.ru>
41 lines
1.2 KiB
YAML
41 lines
1.2 KiB
YAML
---
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addusers:
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etcd:
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name: "{{ etcd_user }}"
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comment: "Etcd user"
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createhome: >-
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{% if ansible_os_family in ["CoreOS", "Container Linux by CoreOS"] %}no{% else %}yes{% endif %}
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home: "/var/lib/etcd"
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system: yes
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shell: /usr/sbin/nologin
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group: "{{ etcd_group }}"
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groups: "{{ etcd_cert_group }}"
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type: >-
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{% if ansible_os_family in ["CoreOS", "Container Linux by CoreOS"] %}cloud-init{% endif %}
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kube:
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name: "{{ kubelet_user }}"
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comment: "Kubernetes user"
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shell: /usr/sbin/nologin
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system: yes
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group: "{{ kubelet_group }}"
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groups: "{{ etcd_cert_group }},{{ kube_cert_group }}"
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createhome: no
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netplug:
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name: "{{ netplug_user }}"
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comment: "Network plugin user"
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createhome: no
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system: yes
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shell: /usr/sbin/nologin
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group: "{{ netplug_group }}"
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groups: "{{ etcd_cert_group }}"
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adduser:
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name: "{{ user.name }}"
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group: "{{ user.name|default(None) }}"
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groups: "{{ user.groups|default(None) }}"
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comment: "{{ user.comment|default(None) }}"
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shell: "{{ user.shell|default(None) }}"
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system: "{{ user.system|default(None) }}"
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createhome: "{{ user.createhome|default(None) }}"
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type: "{{ user.type|default(None) }}"
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