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calico.go
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package templates
const CalicoTemplate = `
{{if eq .RBACConfig "rbac"}}
---
apiVersion: rbac.authorization.k8s.io/v1beta1
kind: ClusterRoleBinding
metadata:
name: calico-cni-plugin
roleRef:
apiGroup: rbac.authorization.k8s.io
kind: ClusterRole
name: calico-cni-plugin
subjects:
- kind: ServiceAccount
name: calico-cni-plugin
namespace: kube-system
---
kind: ClusterRole
apiVersion: rbac.authorization.k8s.io/v1beta1
metadata:
name: calico-cni-plugin
rules:
- apiGroups: [""]
resources:
- pods
- nodes
verbs:
- get
---
apiVersion: v1
kind: ServiceAccount
metadata:
name: calico-cni-plugin
namespace: kube-system
---
apiVersion: rbac.authorization.k8s.io/v1beta1
kind: ClusterRoleBinding
metadata:
name: calico-kube-controllers
roleRef:
apiGroup: rbac.authorization.k8s.io
kind: ClusterRole
name: calico-kube-controllers
subjects:
- kind: ServiceAccount
name: calico-kube-controllers
namespace: kube-system
---
kind: ClusterRole
apiVersion: rbac.authorization.k8s.io/v1beta1
metadata:
name: calico-kube-controllers
rules:
- apiGroups:
- ""
- extensions
resources:
- pods
- namespaces
- networkpolicies
- nodes
verbs:
- watch
- list
---
apiVersion: v1
kind: ServiceAccount
metadata:
name: calico-kube-controllers
namespace: kube-system
## end rbac here
{{end}}
---
# Calico Version master
# https://docs.projectcalico.org/master/releases#master
# This manifest includes the following component versions:
# calico/node:master
# calico/cni:master
# calico/kube-controllers:master
# This ConfigMap is used to configure a self-hosted Calico installation.
kind: ConfigMap
apiVersion: v1
metadata:
name: calico-config
namespace: kube-system
data:
# Configure this with the location of your etcd cluster.
etcd_endpoints: "{{.EtcdEndpoints}}"
# Configure the Calico backend to use.
calico_backend: "bird"
# The CNI network configuration to install on each node.
cni_network_config: |-
{
"name": "rke-pod-network",
"cniVersion": "0.3.0",
"plugins": [
{
"type": "calico",
"etcd_endpoints": "{{.EtcdEndpoints}}",
"etcd_key_file": "",
"etcd_cert_file": "",
"etcd_ca_cert_file": "",
"log_level": "info",
"mtu": 1500,
"ipam": {
"type": "calico-ipam"
},
"policy": {
"type": "k8s",
"k8s_api_root": "{{.APIRoot}}",
"k8s_client_certificate": "{{.ClientCert}}",
"k8s_client_key": "{{.ClientKey}}",
"k8s_certificate_authority": "{{.ClientCA}}"
},
"kubernetes": {
"kubeconfig": "{{.KubeCfg}}"
}
},
{
"type": "portmap",
"snat": true,
"capabilities": {"portMappings": true}
}
]
}
# If you're using TLS enabled etcd uncomment the following.
# You must also populate the Secret below with these files.
etcd_ca: "" # "/calico-secrets/etcd-ca"
etcd_cert: "" # "/calico-secrets/etcd-cert"
etcd_key: "" # "/calico-secrets/etcd-key"
---
# The following contains k8s Secrets for use with a TLS enabled etcd cluster.
# For information on populating Secrets, see http://kubernetes.io/docs/user-guide/secrets/
apiVersion: v1
kind: Secret
type: Opaque
metadata:
name: calico-etcd-secrets
namespace: kube-system
data:
# Populate the following files with etcd TLS configuration if desired, but leave blank if
# not using TLS for etcd.
# This self-hosted install expects three files with the following names. The values
# should be base64 encoded strings of the entire contents of each file.
# etcd-key: null
# etcd-cert: null
# etcd-ca: null
---
# This manifest installs the calico/node container, as well
# as the Calico CNI plugins and network config on
# each master and worker node in a Kubernetes cluster.
kind: DaemonSet
apiVersion: extensions/v1beta1
metadata:
name: calico-node
namespace: kube-system
labels:
k8s-app: calico-node
spec:
selector:
matchLabels:
k8s-app: calico-node
template:
metadata:
labels:
k8s-app: calico-node
annotations:
scheduler.alpha.kubernetes.io/critical-pod: ''
spec:
hostNetwork: true
serviceAccountName: calico-node
# Minimize downtime during a rolling upgrade or deletion; tell Kubernetes to do a "force
# deletion": https://kubernetes.io/docs/concepts/workloads/pods/pod/#termination-of-pods.
terminationGracePeriodSeconds: 0
tolerations:
- key: "dedicated"
value: "master"
effect: "NoSchedule"
- key: "CriticalAddonsOnly"
operator: "Exists"
- key: "node-role.kubernetes.io/master"
operator: "Exists"
containers:
# Runs calico/node container on each Kubernetes node. This
# container programs network policy and routes on each
# host.
- name: calico-node
image: {{.NodeImage}}
env:
# The location of the Calico etcd cluster.
- name: ETCD_ENDPOINTS
valueFrom:
configMapKeyRef:
name: calico-config
key: etcd_endpoints
# Choose the backend to use.
- name: CALICO_NETWORKING_BACKEND
valueFrom:
configMapKeyRef:
name: calico-config
key: calico_backend
# Cluster type to identify the deployment type
- name: CLUSTER_TYPE
value: "k8s,bgp"
# Disable file logging so "kubectl logs" works.
- name: CALICO_DISABLE_FILE_LOGGING
value: "true"
# Set Felix endpoint to host default action to ACCEPT.
- name: FELIX_DEFAULTENDPOINTTOHOSTACTION
value: "ACCEPT"
# Configure the IP Pool from which Pod IPs will be chosen.
- name: CALICO_IPV4POOL_CIDR
value: "{{.ClusterCIDR}}"
- name: CALICO_IPV4POOL_IPIP
value: "Always"
# Disable IPv6 on Kubernetes.
- name: FELIX_IPV6SUPPORT
value: "false"
# Set Felix logging to "info"
- name: FELIX_LOGSEVERITYSCREEN
value: "info"
# Set MTU for tunnel device used if ipip is enabled
- name: FELIX_IPINIPMTU
value: "1440"
# Location of the CA certificate for etcd.
- name: ETCD_CA_CERT_FILE
valueFrom:
configMapKeyRef:
name: calico-config
key: etcd_ca
# Location of the client key for etcd.
- name: ETCD_KEY_FILE
valueFrom:
configMapKeyRef:
name: calico-config
key: etcd_key
# Location of the client certificate for etcd.
- name: ETCD_CERT_FILE
valueFrom:
configMapKeyRef:
name: calico-config
key: etcd_cert
# Auto-detect the BGP IP address.
- name: IP
value: ""
- name: FELIX_HEALTHENABLED
value: "true"
securityContext:
privileged: true
resources:
requests:
cpu: 250m
livenessProbe:
httpGet:
path: /liveness
port: 9099
periodSeconds: 10
initialDelaySeconds: 10
failureThreshold: 6
readinessProbe:
httpGet:
path: /readiness
port: 9099
periodSeconds: 10
volumeMounts:
- mountPath: /lib/modules
name: lib-modules
readOnly: true
- mountPath: /var/run/calico
name: var-run-calico
readOnly: false
- mountPath: /calico-secrets
name: etcd-certs
- mountPath: /etc/kubernetes
name: etc-kubernetes
# This container installs the Calico CNI binaries
# and CNI network config file on each node.
- name: install-cni
image: {{.CNIImage}}
command: ["/install-cni.sh"]
env:
# Name of the CNI config file to create.
- name: CNI_CONF_NAME
value: "10-calico.conflist"
# The location of the Calico etcd cluster.
- name: ETCD_ENDPOINTS
valueFrom:
configMapKeyRef:
name: calico-config
key: etcd_endpoints
# The CNI network config to install on each node.
- name: CNI_NETWORK_CONFIG
valueFrom:
configMapKeyRef:
name: calico-config
key: cni_network_config
volumeMounts:
- mountPath: /host/opt/cni/bin
name: cni-bin-dir
- mountPath: /host/etc/cni/net.d
name: cni-net-dir
- mountPath: /calico-secrets
name: etcd-certs
- mountPath: /etc/kubernetes
name: etc-kubernetes
volumes:
# Used by calico/node.
- name: lib-modules
hostPath:
path: /lib/modules
- name: var-run-calico
hostPath:
path: /var/run/calico
# Used to install CNI.
- name: cni-bin-dir
hostPath:
path: /opt/cni/bin
- name: cni-net-dir
hostPath:
path: /etc/cni/net.d
# Mount in the etcd TLS secrets.
- name: etcd-certs
secret:
secretName: calico-etcd-secrets
- name: etc-kubernetes
hostPath:
path: /etc/kubernetes
---
# This manifest deploys the Calico Kubernetes controllers.
# See https://github.com/projectcalico/kube-controllers
apiVersion: extensions/v1beta1
kind: Deployment
metadata:
name: calico-kube-controllers
namespace: kube-system
labels:
k8s-app: calico-kube-controllers
annotations:
scheduler.alpha.kubernetes.io/critical-pod: ''
spec:
# The controllers can only have a single active instance.
replicas: 1
strategy:
type: Recreate
template:
metadata:
name: calico-kube-controllers
namespace: kube-system
labels:
k8s-app: calico-kube-controllers
spec:
# The controllers must run in the host network namespace so that
# it isn't governed by policy that would prevent it from working.
hostNetwork: true
serviceAccountName: calico-kube-controllers
tolerations:
- key: "dedicated"
value: "master"
effect: "NoSchedule"
- key: "CriticalAddonsOnly"
operator: "Exists"
- key: "node-role.kubernetes.io/master"
operator: "Exists"
containers:
- name: calico-kube-controllers
image: {{.ControllersImage}}
env:
# The location of the Calico etcd cluster.
- name: ETCD_ENDPOINTS
valueFrom:
configMapKeyRef:
name: calico-config
key: etcd_endpoints
# Location of the CA certificate for etcd.
- name: ETCD_CA_CERT_FILE
valueFrom:
configMapKeyRef:
name: calico-config
key: etcd_ca
# Location of the client key for etcd.
- name: ETCD_KEY_FILE
valueFrom:
configMapKeyRef:
name: calico-config
key: etcd_key
# Location of the client certificate for etcd.
- name: ETCD_CERT_FILE
valueFrom:
configMapKeyRef:
name: calico-config
key: etcd_cert
volumeMounts:
# Mount in the etcd TLS secrets.
- mountPath: /calico-secrets
name: etcd-certs
- mountPath: /etc/kubernetes
name: etc-kubernetes
volumes:
# Mount in the etcd TLS secrets.
- name: etcd-certs
secret:
secretName: calico-etcd-secrets
- name: etc-kubernetes
hostPath:
path: /etc/kubernetes
---
# This deployment turns off the old "policy-controller". It should remain at 0 replicas, and then
# be removed entirely once the new kube-controllers deployment has been deployed above.
apiVersion: extensions/v1beta1
kind: Deployment
metadata:
name: calico-policy-controller
namespace: kube-system
labels:
k8s-app: calico-policy
spec:
# Turn this deployment off in favor of the kube-controllers deployment above.
replicas: 0
strategy:
type: Recreate
template:
metadata:
name: calico-policy-controller
namespace: kube-system
labels:
k8s-app: calico-policy
spec:
hostNetwork: true
serviceAccountName: calico-kube-controllers
containers:
- name: calico-policy-controller
image: {{.ControllersImage}}
env:
# The location of the Calico etcd cluster.
- name: ETCD_ENDPOINTS
valueFrom:
configMapKeyRef:
name: calico-config
key: etcd_endpoints
---
apiVersion: v1
kind: ServiceAccount
metadata:
name: calico-kube-controllers
namespace: kube-system
---
apiVersion: v1
kind: ServiceAccount
metadata:
name: calico-node
namespace: kube-system
{{if eq .CloudProvider "aws"}}
## aws stuff here
---
kind: ConfigMap
apiVersion: v1
metadata:
name: aws-ippool
namespace: kube-system
data:
aws-ippool: |-
apiVersion: v1
kind: ipPool
metadata:
cidr: {{.ClusterCIDR}}
spec:
nat-outgoing: true
---
apiVersion: v1
kind: Pod
metadata:
name: calicoctl
namespace: kube-system
spec:
hostNetwork: true
restartPolicy: OnFailure
containers:
- name: calicoctl
image: {{.Calicoctl}}
command: ["/bin/sh", "-c", "calicoctl apply -f aws-ippool.yaml"]
env:
- name: ETCD_ENDPOINTS
valueFrom:
configMapKeyRef:
name: calico-config
key: etcd_endpoints
volumeMounts:
- name: ippool-config
mountPath: /root/
volumes:
- name: ippool-config
configMap:
name: aws-ippool
items:
- key: aws-ippool
path: aws-ippool.yaml
{{end}}
`