我们运行 3 个 Typha 副本,这样即使在滚动更新期间发生单个故障,也不会使 Typha 不可用。 kubectl apply -f -<<EOFapiVersion: apps/v1kind: Deploymentmetadata:name: calico-typhanamespace: kube-systemlabels:k8s-app: calico-typhaspec:replicas: 3revisionHistoryLimit: 2selector:matchLabels:k8s-app: cali...
Choosing on behalf of users that a Calico DaemonSet should be on ALL nodes would limit use cases. For example, Clusters with x86 and arm64 nodes, Calico does not ship a typical multi-arch container image (it ships an image per architecture, which is different and requires DaemonSets matching...
LimitNOFILE=infinity LimitNPROC=infinity LimitCORE=infinity # Comment TasksMax if your systemd version does not support it. # Only systemd 226 and above support this option. TasksMax=infinity Delegate=yes KillMode=process [Install] WantedBy=multi-user.target 4.3...
most of the time an overlay is not needed as the segmentation is done within Kubernetes using networking policies. In this case an IP Fabric is the preferred method to host Kubernetes workload. In this model, Calico recommends using AS-per-Rack mode[5], which is also the model we recommen...
(a temporary directory that shares a pod's lifetime) Medium: SizeLimit: <unset> kube-api-access-mnssq: Type: Projected (a volume that contains injected data from multiple sources) TokenExpirationSeconds: 3607 ConfigMapName: kube-root-ca.crt ConfigMapOptional: <nil> DownwardAPI: true QoS ...
/usr/sbin/sysctl -p# 7. modify limit file[ $(cat/etc/security/limits.conf|grep'* soft nproc 10240000'|wc-l) -eq 0 ]&&echo'* soft nproc 10240000'>>/etc/security/limits.conf [ $(cat/etc/security/limits.conf|grep'* hard nproc 10240000'|wc-l) -eq 0 ]&&echo'* hard nproc 1024000...
The IP Pool can be per Node, pernamespace To improve performance and scalibility, Calico IPAM to allocates IPs to nodes in blocks.IP 分配是动态的,当一个NODE用完了 64 个地址后,Calico IPAM 会在分配一个新 Block,如果 Block 被分配完了,则会到相邻的 NODE的Block借一个IP。
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Writing block in order to claim IPs block=100.65.42.0/26 handle="ipip-tunnel-addr-kworker-fe-intg-iz2-bap002" host="kworker-fe-intg-iz2-bap002" 2020-06-02 12:27:03.825 [INFO][134] tunnel-ip-allocator/ipam.go 846: Successfully claimed IPs: [100.65.42.42/26] block=100.65.42.0/26...
- name: SLEEP value: "false" volumeMounts: - mountPath: /host/opt/cni/bin name: cni-bin-dir - mountPath: /host/etc/cni/net.d name: cni-net-dir securityContext: privileged: true # Adds a Flex Volume Driver that creates a per-pod Unix Domain Socket to allow Dikastes # to communica...