Adding kernel argument to disable predictable NIC naming. Fixes VIP (#1310)
* Adding kernel argument to disable predictable NIC naming. Fixes VIP * Simplified talconfig jinja template by using general patches option
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Wouter Bouvy authored and GitHub committed
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@@ -63,84 +63,97 @@ nodes:
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{% endif %}
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{% endfor %}
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patches:
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# Configure containerd
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- |-
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machine:
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files:
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- op: create
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path: /etc/cri/conf.d/20-customization.part
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content: |-
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[plugins."io.containerd.grpc.v1.cri"]
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enable_unprivileged_ports = true
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enable_unprivileged_icmp = true
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[plugins."io.containerd.grpc.v1.cri".containerd]
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discard_unpacked_layers = false
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[plugins."io.containerd.grpc.v1.cri".containerd.runtimes.runc]
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discard_unpacked_layers = false
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# Disable search domain everywhere
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- |-
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machine:
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network:
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disableSearchDomain: true
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# Enable cluster discovery
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- |-
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cluster:
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discovery:
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registries:
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kubernetes:
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disabled: false
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service:
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disabled: false
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# Configure kubelet
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- |-
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machine:
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kubelet:
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extraArgs:
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image-gc-low-threshold: 50
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image-gc-high-threshold: 55
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rotate-server-certificates: true
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nodeIP:
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validSubnets:
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- "{{ nodes.host_network }}"
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# Force nameserver
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- |-
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machine:
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network:
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nameservers:
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{% for item in nodes.dns_servers | default(['1.1.1.1', '1.0.0.1']) %}
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- {{ item }}
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{% endfor %}
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# Configure NTP
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- |-
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machine:
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time:
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disabled: false
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servers:
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- time.cloudflare.com
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# Custom sysctl settings
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- |-
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machine:
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sysctls:
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fs.inotify.max_queued_events: 65536
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fs.inotify.max_user_watches: 524288
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fs.inotify.max_user_instances: 8192
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# Mount openebs-hostpath in kubelet
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- |-
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machine:
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kubelet:
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extraMounts:
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- destination: /var/openebs/local
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type: bind
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source: /var/openebs/local
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options:
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- bind
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- rshared
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- rw
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# Disable predictable NIC naming
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- |-
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machine:
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install:
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extraKernelArgs:
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- net.ifnames=0
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controlPlane:
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patches:
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# Configure containerd
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- &containerdPatch |-
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machine:
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files:
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- op: create
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path: /etc/cri/conf.d/20-customization.part
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content: |-
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[plugins."io.containerd.grpc.v1.cri"]
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enable_unprivileged_ports = true
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enable_unprivileged_icmp = true
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[plugins."io.containerd.grpc.v1.cri".containerd]
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discard_unpacked_layers = false
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[plugins."io.containerd.grpc.v1.cri".containerd.runtimes.runc]
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discard_unpacked_layers = false
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# Disable search domain everywhere
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- &disableSearchDomainPatch |-
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machine:
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network:
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disableSearchDomain: true
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# Enable cluster discovery
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- &discoveryPatch |-
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cluster:
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discovery:
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registries:
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kubernetes:
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disabled: false
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service:
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disabled: false
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# Configure kubelet
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- &kubeletPatch |-
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machine:
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kubelet:
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extraArgs:
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image-gc-low-threshold: 50
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image-gc-high-threshold: 55
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rotate-server-certificates: true
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nodeIP:
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validSubnets:
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- "{{ nodes.host_network }}"
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# Enable KubePrism
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- &kubePrismPatch |-
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machine:
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features:
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kubePrism:
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enabled: true
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port: 7445
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# Force nameserver
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- &nameserverPatch |-
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machine:
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network:
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nameservers:
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{% for item in nodes.dns_servers | default(['1.1.1.1', '1.0.0.1']) %}
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- {{ item }}
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{% endfor %}
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# Configure NTP
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- &ntpPatch |-
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machine:
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time:
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disabled: false
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servers:
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- time.cloudflare.com
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# Custom sysctl settings
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- &sysctlPatch |-
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machine:
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sysctls:
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fs.inotify.max_queued_events: 65536
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fs.inotify.max_user_watches: 524288
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fs.inotify.max_user_instances: 8192
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# Cluster configuration
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- |-
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cluster:
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@@ -179,34 +192,3 @@ controlPlane:
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allowedKubernetesNamespaces:
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- system-upgrade
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# Mount openebs-hostpath in kubelet
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- &openEbsPatch |-
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machine:
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kubelet:
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extraMounts:
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- destination: /var/openebs/local
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type: bind
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source: /var/openebs/local
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options:
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- bind
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- rshared
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- rw
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{% if nodes.inventory | selectattr('controller', 'equalto', False) | list | length %}
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worker:
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{% if distribution.talos.schematics.enabled %}
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schematic:
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customization:
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{{ distribution.talos.schematics.customization | indent(6, first=True) }}
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{% endif %}
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patches:
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- *containerdPatch
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- *disableSearchDomainPatch
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- *discoveryPatch
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- *kubeletPatch
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- *kubePrismPatch
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- *nameserverPatch
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- *ntpPatch
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- *sysctlPatch
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- *openEbsPatch
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{% endif %}
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