495 lines
18 KiB
YAML
495 lines
18 KiB
YAML
---
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# Source: cilium/charts/cilium/templates/cilium-agent/daemonset.yaml
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apiVersion: apps/v1
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kind: DaemonSet
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metadata:
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name: cilium
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namespace: kube-system
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labels:
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k8s-app: cilium
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app.kubernetes.io/part-of: cilium
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app.kubernetes.io/name: cilium-agent
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spec:
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selector:
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matchLabels:
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k8s-app: cilium
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updateStrategy:
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rollingUpdate:
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maxUnavailable: 2
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type: RollingUpdate
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template:
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metadata:
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annotations:
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# ensure pods roll when configmap updates
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cilium.io/cilium-configmap-checksum: "31ad7748e0aefe75b6436d96c8c85754e0b44e68e6012fa188bc5bcd66085828"
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kubectl.kubernetes.io/default-container: cilium-agent
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labels:
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k8s-app: cilium
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app.kubernetes.io/name: cilium-agent
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app.kubernetes.io/part-of: cilium
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spec:
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securityContext:
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appArmorProfile:
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type: Unconfined
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seccompProfile:
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type: Unconfined
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containers:
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- name: cilium-agent
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image: "quay.io/cilium/cilium:v1.18.4@sha256:49d87af187eeeb9e9e3ec2bc6bd372261a0b5cb2d845659463ba7cc10fe9e45f"
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imagePullPolicy: IfNotPresent
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command:
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- cilium-agent
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args:
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- --config-dir=/tmp/cilium/config-map
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startupProbe:
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httpGet:
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host: "127.0.0.1"
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path: /healthz
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port: 9879
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scheme: HTTP
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httpHeaders:
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- name: "brief"
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value: "true"
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failureThreshold: 300
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periodSeconds: 2
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successThreshold: 1
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initialDelaySeconds: 5
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livenessProbe:
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httpGet:
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host: "127.0.0.1"
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path: /healthz
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port: 9879
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scheme: HTTP
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httpHeaders:
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- name: "brief"
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value: "true"
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- name: "require-k8s-connectivity"
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value: "false"
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periodSeconds: 30
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successThreshold: 1
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failureThreshold: 10
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timeoutSeconds: 5
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readinessProbe:
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httpGet:
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host: "127.0.0.1"
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path: /healthz
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port: 9879
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scheme: HTTP
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httpHeaders:
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- name: "brief"
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value: "true"
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periodSeconds: 30
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successThreshold: 1
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failureThreshold: 3
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timeoutSeconds: 5
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env:
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- name: K8S_NODE_NAME
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valueFrom:
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fieldRef:
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apiVersion: v1
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fieldPath: spec.nodeName
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- name: CILIUM_K8S_NAMESPACE
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valueFrom:
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fieldRef:
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apiVersion: v1
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fieldPath: metadata.namespace
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- name: CILIUM_CLUSTERMESH_CONFIG
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value: /var/lib/cilium/clustermesh/
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- name: GOMEMLIMIT
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valueFrom:
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resourceFieldRef:
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resource: limits.memory
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divisor: '1'
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- name: KUBERNETES_SERVICE_HOST
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value: "localhost"
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- name: KUBERNETES_SERVICE_PORT
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value: "7445"
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- name: KUBE_CLIENT_BACKOFF_BASE
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value: "1"
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- name: KUBE_CLIENT_BACKOFF_DURATION
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value: "120"
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lifecycle:
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postStart:
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exec:
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command:
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- "bash"
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- "-c"
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- |
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set -o errexit
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set -o pipefail
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set -o nounset
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# When running in AWS ENI mode, it's likely that 'aws-node' has
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# had a chance to install SNAT iptables rules. These can result
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# in dropped traffic, so we should attempt to remove them.
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# We do it using a 'postStart' hook since this may need to run
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# for nodes which might have already been init'ed but may still
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# have dangling rules. This is safe because there are no
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# dependencies on anything that is part of the startup script
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# itself, and can be safely run multiple times per node (e.g. in
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# case of a restart).
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if [[ "$(iptables-save | grep -E -c 'AWS-SNAT-CHAIN|AWS-CONNMARK-CHAIN')" != "0" ]];
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then
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echo 'Deleting iptables rules created by the AWS CNI VPC plugin'
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iptables-save | grep -E -v 'AWS-SNAT-CHAIN|AWS-CONNMARK-CHAIN' | iptables-restore
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fi
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echo 'Done!'
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preStop:
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exec:
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command:
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- /cni-uninstall.sh
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ports:
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- name: peer-service
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containerPort: 4244
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hostPort: 4244
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protocol: TCP
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- name: prometheus
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containerPort: 9962
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hostPort: 9962
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protocol: TCP
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securityContext:
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seLinuxOptions:
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level: s0
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type: spc_t
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capabilities:
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add:
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- CHOWN
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- KILL
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- NET_ADMIN
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- NET_RAW
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- IPC_LOCK
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- SYS_ADMIN
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- SYS_RESOURCE
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- DAC_OVERRIDE
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- FOWNER
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- SETGID
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- SETUID
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- PERFMON
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- BPF
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drop:
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- ALL
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terminationMessagePolicy: FallbackToLogsOnError
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volumeMounts:
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- name: envoy-sockets
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mountPath: /var/run/cilium/envoy/sockets
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readOnly: false
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# Unprivileged containers need to mount /proc/sys/net from the host
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# to have write access
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- mountPath: /host/proc/sys/net
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name: host-proc-sys-net
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# Unprivileged containers need to mount /proc/sys/kernel from the host
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# to have write access
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- mountPath: /host/proc/sys/kernel
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name: host-proc-sys-kernel
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- name: bpf-maps
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mountPath: /sys/fs/bpf
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# Unprivileged containers can't set mount propagation to bidirectional
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# in this case we will mount the bpf fs from an init container that
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# is privileged and set the mount propagation from host to container
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# in Cilium.
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mountPropagation: HostToContainer
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# Check for duplicate mounts before mounting
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- name: cilium-cgroup
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mountPath: /sys/fs/cgroup
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- name: cilium-run
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mountPath: /var/run/cilium
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- name: cilium-netns
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mountPath: /var/run/cilium/netns
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mountPropagation: HostToContainer
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- name: etc-cni-netd
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mountPath: /host/etc/cni/net.d
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- name: clustermesh-secrets
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mountPath: /var/lib/cilium/clustermesh
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readOnly: true
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# Needed to be able to load kernel modules
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- name: lib-modules
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mountPath: /lib/modules
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readOnly: true
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- name: xtables-lock
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mountPath: /run/xtables.lock
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- name: hubble-tls
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mountPath: /var/lib/cilium/tls/hubble
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readOnly: true
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- name: tmp
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mountPath: /tmp
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initContainers:
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- name: config
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image: "quay.io/cilium/cilium:v1.18.4@sha256:49d87af187eeeb9e9e3ec2bc6bd372261a0b5cb2d845659463ba7cc10fe9e45f"
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imagePullPolicy: IfNotPresent
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command:
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- cilium-dbg
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- build-config
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env:
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- name: K8S_NODE_NAME
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valueFrom:
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fieldRef:
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apiVersion: v1
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fieldPath: spec.nodeName
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- name: CILIUM_K8S_NAMESPACE
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valueFrom:
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fieldRef:
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apiVersion: v1
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fieldPath: metadata.namespace
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- name: KUBERNETES_SERVICE_HOST
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value: "localhost"
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- name: KUBERNETES_SERVICE_PORT
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value: "7445"
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volumeMounts:
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- name: tmp
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mountPath: /tmp
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terminationMessagePolicy: FallbackToLogsOnError
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- name: apply-sysctl-overwrites
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image: "quay.io/cilium/cilium:v1.18.4@sha256:49d87af187eeeb9e9e3ec2bc6bd372261a0b5cb2d845659463ba7cc10fe9e45f"
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imagePullPolicy: IfNotPresent
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env:
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- name: BIN_PATH
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value: /opt/cni/bin
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command:
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- sh
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- -ec
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# The statically linked Go program binary is invoked to avoid any
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# dependency on utilities like sh that can be missing on certain
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# distros installed on the underlying host. Copy the binary to the
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# same directory where we install cilium cni plugin so that exec permissions
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# are available.
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- |
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cp /usr/bin/cilium-sysctlfix /hostbin/cilium-sysctlfix;
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nsenter --mount=/hostproc/1/ns/mnt "${BIN_PATH}/cilium-sysctlfix";
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rm /hostbin/cilium-sysctlfix
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volumeMounts:
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- name: hostproc
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mountPath: /hostproc
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- name: cni-path
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mountPath: /hostbin
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terminationMessagePolicy: FallbackToLogsOnError
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securityContext:
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seLinuxOptions:
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level: s0
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type: spc_t
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capabilities:
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add:
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- SYS_ADMIN
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- SYS_CHROOT
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- SYS_PTRACE
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drop:
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- ALL
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# Mount the bpf fs if it is not mounted. We will perform this task
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# from a privileged container because the mount propagation bidirectional
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# only works from privileged containers.
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- name: mount-bpf-fs
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image: "quay.io/cilium/cilium:v1.18.4@sha256:49d87af187eeeb9e9e3ec2bc6bd372261a0b5cb2d845659463ba7cc10fe9e45f"
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imagePullPolicy: IfNotPresent
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args:
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- 'mount | grep "/sys/fs/bpf type bpf" || mount -t bpf bpf /sys/fs/bpf'
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command:
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- /bin/bash
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- -c
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- --
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terminationMessagePolicy: FallbackToLogsOnError
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securityContext:
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privileged: true
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volumeMounts:
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- name: bpf-maps
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mountPath: /sys/fs/bpf
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mountPropagation: Bidirectional
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- name: clean-cilium-state
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image: "quay.io/cilium/cilium:v1.18.4@sha256:49d87af187eeeb9e9e3ec2bc6bd372261a0b5cb2d845659463ba7cc10fe9e45f"
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imagePullPolicy: IfNotPresent
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command:
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- /init-container.sh
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env:
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- name: CILIUM_ALL_STATE
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valueFrom:
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configMapKeyRef:
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name: cilium-config
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key: clean-cilium-state
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optional: true
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- name: CILIUM_BPF_STATE
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valueFrom:
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configMapKeyRef:
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name: cilium-config
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key: clean-cilium-bpf-state
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optional: true
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- name: WRITE_CNI_CONF_WHEN_READY
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valueFrom:
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configMapKeyRef:
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name: cilium-config
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key: write-cni-conf-when-ready
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optional: true
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- name: KUBERNETES_SERVICE_HOST
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value: "localhost"
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- name: KUBERNETES_SERVICE_PORT
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value: "7445"
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terminationMessagePolicy: FallbackToLogsOnError
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securityContext:
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seLinuxOptions:
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level: s0
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type: spc_t
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capabilities:
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add:
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- NET_ADMIN
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- SYS_ADMIN
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- SYS_RESOURCE
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drop:
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- ALL
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volumeMounts:
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- name: bpf-maps
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mountPath: /sys/fs/bpf
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# Required to mount cgroup filesystem from the host to cilium agent pod
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- name: cilium-cgroup
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mountPath: /sys/fs/cgroup
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mountPropagation: HostToContainer
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- name: cilium-run
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mountPath: /var/run/cilium # wait-for-kube-proxy
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# Install the CNI binaries in an InitContainer so we don't have a writable host mount in the agent
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- name: install-cni-binaries
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image: "quay.io/cilium/cilium:v1.18.4@sha256:49d87af187eeeb9e9e3ec2bc6bd372261a0b5cb2d845659463ba7cc10fe9e45f"
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imagePullPolicy: IfNotPresent
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command:
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- "/install-plugin.sh"
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resources:
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requests:
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cpu: 100m
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memory: 10Mi
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securityContext:
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seLinuxOptions:
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level: s0
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type: spc_t
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capabilities:
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drop:
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- ALL
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terminationMessagePolicy: FallbackToLogsOnError
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volumeMounts:
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- name: cni-path
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mountPath: /host/opt/cni/bin # .Values.cni.install
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restartPolicy: Always
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priorityClassName: system-node-critical
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serviceAccountName: "cilium"
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automountServiceAccountToken: true
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terminationGracePeriodSeconds: 1
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hostNetwork: true
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affinity:
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podAntiAffinity:
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requiredDuringSchedulingIgnoredDuringExecution:
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- labelSelector:
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matchLabels:
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k8s-app: cilium
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topologyKey: kubernetes.io/hostname
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nodeSelector:
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kubernetes.io/os: linux
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tolerations:
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- operator: Exists
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volumes:
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# For sharing configuration between the "config" initContainer and the agent
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- name: tmp
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emptyDir: {}
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# To keep state between restarts / upgrades
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- name: cilium-run
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hostPath:
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path: /var/run/cilium
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type: DirectoryOrCreate
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# To exec into pod network namespaces
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- name: cilium-netns
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hostPath:
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path: /var/run/netns
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type: DirectoryOrCreate
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# To keep state between restarts / upgrades for bpf maps
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- name: bpf-maps
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hostPath:
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path: /sys/fs/bpf
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type: DirectoryOrCreate
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# To mount cgroup2 filesystem on the host or apply sysctlfix
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- name: hostproc
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hostPath:
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path: /proc
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type: Directory
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# To keep state between restarts / upgrades for cgroup2 filesystem
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- name: cilium-cgroup
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hostPath:
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path: /sys/fs/cgroup
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type: DirectoryOrCreate
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# To install cilium cni plugin in the host
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- name: cni-path
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hostPath:
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path: /opt/cni/bin
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type: DirectoryOrCreate
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# To install cilium cni configuration in the host
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- name: etc-cni-netd
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hostPath:
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path: /etc/cni/net.d
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type: DirectoryOrCreate
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# To be able to load kernel modules
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- name: lib-modules
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hostPath:
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path: /lib/modules
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# To access iptables concurrently with other processes (e.g. kube-proxy)
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- name: xtables-lock
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hostPath:
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path: /run/xtables.lock
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type: FileOrCreate
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# Sharing socket with Cilium Envoy on the same node by using a host path
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- name: envoy-sockets
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hostPath:
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path: "/var/run/cilium/envoy/sockets"
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type: DirectoryOrCreate
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# To read the clustermesh configuration
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- name: clustermesh-secrets
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projected:
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# note: the leading zero means this number is in octal representation: do not remove it
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defaultMode: 0400
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sources:
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- secret:
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name: cilium-clustermesh
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optional: true
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# note: items are not explicitly listed here, since the entries of this secret
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# depend on the peers configured, and that would cause a restart of all agents
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# at every addition/removal. Leaving the field empty makes each secret entry
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# to be automatically projected into the volume as a file whose name is the key.
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- secret:
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name: clustermesh-apiserver-remote-cert
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optional: true
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items:
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- key: tls.key
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path: common-etcd-client.key
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- key: tls.crt
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path: common-etcd-client.crt
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- key: ca.crt
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path: common-etcd-client-ca.crt
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# note: we configure the volume for the kvstoremesh-specific certificate
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# regardless of whether KVStoreMesh is enabled or not, so that it can be
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# automatically mounted in case KVStoreMesh gets subsequently enabled,
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# without requiring an agent restart.
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- secret:
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name: clustermesh-apiserver-local-cert
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optional: true
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items:
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- key: tls.key
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path: local-etcd-client.key
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- key: tls.crt
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path: local-etcd-client.crt
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- key: ca.crt
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path: local-etcd-client-ca.crt
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- name: host-proc-sys-net
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hostPath:
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path: /proc/sys/net
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type: Directory
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- name: host-proc-sys-kernel
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hostPath:
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path: /proc/sys/kernel
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type: Directory
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- name: hubble-tls
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projected:
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# note: the leading zero means this number is in octal representation: do not remove it
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defaultMode: 0400
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sources:
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- secret:
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name: hubble-server-certs
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optional: true
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items:
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- key: tls.crt
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path: server.crt
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- key: tls.key
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path: server.key
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- key: ca.crt
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path: client-ca.crt
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