K8S篇-安装Syncthing
使用kompose将syncthing官方的docker-compose文件转换为k8s的yaml配置文件进行部署，再通过ingress-contro实现外部访问syncthing pod
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安装docker-compose
# ubuntu
apt-get install docker-compose
# centos
yum install docker-compose
下载kompose
由于官网仅提供了docker-compose安装方式，没有提供k8s部署的yaml文件，所以需要根据docker-compose文件转化k8s部署的yaml文件。
这里发现了一个好用的工具: kompose
kompose官网：https://kompose.io/
github地址：https://github.com/kubernetes/kompose
下载命令：
# Linux
curl -L https://github.com/kubernetes/kompose/releases/download/v1.23.0/kompose-linux-amd64 -o kompose
# macOS
curl -L https://github.com/kubernetes/kompose/releases/download/v1.23.0/kompose-darwin-amd64 -o kompose
# Windows
curl -L https://github.com/kubernetes/kompose/releases/download/v1.23.0/kompose-windows-amd64.exe -o kompose.exe
chmod +x kompose
sudo mv ./kompose /usr/local/bin/kompose
这里根据自己的平台选择就好，由于我的集群版本安装的是1.23.6，所以kompose选择的1.23.0版本。
下载syncthing
官方资料
官网：https://syncthing.net/
github地址：https://github.com/syncthing/syncthing
生成docker-compose文件
根据官方叙述，是使用docker直接运行syncthing，这里是官方docker-compose
version: "3"
services:
syncthing:
image: syncthing/syncthing
container_name: syncthing
hostname: my-syncthing
environment:
- PUID=1000
- PGID=1000
volumes:
- /wherever/st-sync:/var/syncthing
ports:
- 8384:8384 # Web UI
- 22000:22000/tcp # TCP file transfers
- 22000:22000/udp # QUIC file transfers
- 21027:21027/udp # Receive local discovery broadcasts
restart: unless-stopped
有了docker-compose就可以按照自己的需要进行容器编排。
生成kubenetes yaml文件
我目标是使用k8s部署，所以这里生成个对应的yaml文件。
使用kompose进行转换
kompose convert -f syncthing.yml
执行完成后进行优化整合为一个大的kubenetes部署配置文件。
apiVersion: v1
kind: PersistentVolumeClaim
metadata:
creationTimestamp: null
labels:
io.kompose.service: syncthingpvc
name: syncthingpvc
spec:
accessModes:
- ReadWriteOnce
storageClassName: manual
resources:
requests:
storage: 2048Gi
---
apiVersion: apps/v1
kind: Deployment
metadata:
annotations:
kompose.cmd: kompose convert -f syncthing/syncthing.yml
kompose.version: 1.23.0 (bc7d9f4f)
creationTimestamp: null
labels:
io.kompose.service: syncthing
name: syncthing
spec:
replicas: 1
selector:
matchLabels:
io.kompose.service: syncthing
strategy:
type: Recreate
template:
metadata:
annotations:
kompose.cmd: kompose convert -f syncthing/syncthing.yml
kompose.version: 1.23.0 (bc7d9f4f)
creationTimestamp: null
labels:
io.kompose.service: syncthing
spec:
containers:
- env:
- name: PGID
value: "1000"
- name: PUID
value: "1000"
- name: TZ
value: '"Asia/Shanghai"'
image: linuxserver/syncthing:1.23.2
name: syncthing
ports:
- containerPort: 8384
- containerPort: 22000
- containerPort: 22000
protocol: UDP
- containerPort: 21027
protocol: UDP
resources: {}
volumeMounts:
- mountPath: /var/syncthing
name: syncthingpvc
hostname: syncthing-hostname
restartPolicy: Always
volumes:
- name: syncthingpvc
persistentVolumeClaim:
claimName: syncthingpvc
---
apiVersion: v1
kind: Service
metadata:
annotations:
kompose.cmd: kompose convert -f syncthing/syncthing.yml
kompose.version: 1.23.0 (bc7d9f4f)
creationTimestamp: null
labels:
io.kompose.service: syncthing
name: syncthing
spec:
ports:
- name: "8384"
port: 8384
targetPort: 8384
- name: "22000"
port: 22000
targetPort: 22000
- name: 22000-udp
port: 22000
protocol: UDP
targetPort: 22000
- name: "21027"
port: 21027
protocol: UDP
targetPort: 21027
selector:
io.kompose.service: syncthing
执行部署命令：
kubectl apply -f syncthing-k8s.yaml
然后等待pod运行。
# kubectl get pod
NAME READY STATUS RESTARTS AGE
syncthing-85f46699c5-hljqz 1/1 Running 0 83m
外部访问
查看创建的service：
# kubectl get service -A
NAMESPACE NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE
default kubernetes ClusterIP 10.96.0.1 <none> 443/TCP 24d
default syncthing ClusterIP 10.96.221.138 <none> 8384/TCP,22000/TCP,22000/UDP,21027/UDP 3h7m
kube-system kube-dns ClusterIP 10.96.0.10 <none> 53/UDP,53/TCP,9153/TCP 24d
kube-system metrics-server ClusterIP 10.96.9.211 <none> 443/TCP 22d
很明显集群ip是10.96.221.138，在浏览器使用10.96.221.138:8384访问syncthing，发现访问不了。这是因为这个ip是在集群间互相识别使用的，此时无论从物理机浏览器还是跳板机curl等都无法通过这个IP直接访问，想实现集群外部访问（跳板机或者同局域网下的机器），要安装下Ingress组件实现。
部署Ingress
k8s集群以外访问k8s集群要借助ingress进行
下载ingress
可以参考官方文档：https://github.com/kubernetes/ingress-nginx/blob/main/docs/deploy/index.md
官方文档提示可以使用下面的命令直接apply：
kubectl apply -f https://raw.githubusercontent.com/kubernetes/ingress-nginx/controller-v1.6.4/deploy/static/provider/cloud/deploy.yaml
我这里将yaml保存下来：
apiVersion: v1
kind: Namespace
metadata:
name: ingress-nginx
labels:
app.kubernetes.io/name: ingress-nginx
app.kubernetes.io/instance: ingress-nginx
---
# Source: ingress-nginx/templates/controller-serviceaccount.yaml
apiVersion: v1
kind: ServiceAccount
metadata:
labels:
helm.sh/chart: ingress-nginx-4.0.15
app.kubernetes.io/name: ingress-nginx
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/version: 1.1.1
app.kubernetes.io/managed-by: Helm
app.kubernetes.io/component: controller
name: ingress-nginx
namespace: ingress-nginx
automountServiceAccountToken: true
---
# Source: ingress-nginx/templates/controller-configmap.yaml
apiVersion: v1
kind: ConfigMap
metadata:
labels:
helm.sh/chart: ingress-nginx-4.0.15
app.kubernetes.io/name: ingress-nginx
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/version: 1.1.1
app.kubernetes.io/managed-by: Helm
app.kubernetes.io/component: controller
name: ingress-nginx-controller
namespace: ingress-nginx
data:
allow-snippet-annotations: 'true'
---
# Source: ingress-nginx/templates/clusterrole.yaml
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
labels:
helm.sh/chart: ingress-nginx-4.0.15
app.kubernetes.io/name: ingress-nginx
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/version: 1.1.1
app.kubernetes.io/managed-by: Helm
name: ingress-nginx
rules:
- apiGroups:
- ''
resources:
- configmaps
- endpoints
- nodes
- pods
- secrets
- namespaces
verbs:
- list
- watch
- apiGroups:
- ''
resources:
- nodes
verbs:
- get
- apiGroups:
- ''
resources:
- services
verbs:
- get
- list
- watch
- apiGroups:
- networking.k8s.io
resources:
- ingresses
verbs:
- get
- list
- watch
- apiGroups:
- ''
resources:
- events
verbs:
- create
- patch
- apiGroups:
- networking.k8s.io
resources:
- ingresses/status
verbs:
- update
- apiGroups:
- networking.k8s.io
resources:
- ingressclasses
verbs:
- get
- list
- watch
---
# Source: ingress-nginx/templates/clusterrolebinding.yaml
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
labels:
helm.sh/chart: ingress-nginx-4.0.15
app.kubernetes.io/name: ingress-nginx
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/version: 1.1.1
app.kubernetes.io/managed-by: Helm
name: ingress-nginx
roleRef:
apiGroup: rbac.authorization.k8s.io
kind: ClusterRole
name: ingress-nginx
subjects:
- kind: ServiceAccount
name: ingress-nginx
namespace: ingress-nginx
---
# Source: ingress-nginx/templates/controller-role.yaml
apiVersion: rbac.authorization.k8s.io/v1
kind: Role
metadata:
labels:
helm.sh/chart: ingress-nginx-4.0.15
app.kubernetes.io/name: ingress-nginx
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/version: 1.1.1
app.kubernetes.io/managed-by: Helm
app.kubernetes.io/component: controller
name: ingress-nginx
namespace: ingress-nginx
rules:
- apiGroups:
- ''
resources:
- namespaces
verbs:
- get
- apiGroups:
- ''
resources:
- configmaps
- pods
- secrets
- endpoints
verbs:
- get
- list
- watch
- apiGroups:
- ''
resources:
- services
verbs:
- get
- list
- watch
- apiGroups:
- networking.k8s.io
resources:
- ingresses
verbs:
- get
- list
- watch
- apiGroups:
- networking.k8s.io
resources:
- ingresses/status
verbs:
- update
- apiGroups:
- networking.k8s.io
resources:
- ingressclasses
verbs:
- get
- list
- watch
- apiGroups:
- ''
resources:
- configmaps
resourceNames:
- ingress-controller-leader
verbs:
- get
- update
- apiGroups:
- ''
resources:
- configmaps
verbs:
- create
- apiGroups:
- ''
resources:
- events
verbs:
- create
- patch
---
# Source: ingress-nginx/templates/controller-rolebinding.yaml
apiVersion: rbac.authorization.k8s.io/v1
kind: RoleBinding
metadata:
labels:
helm.sh/chart: ingress-nginx-4.0.15
app.kubernetes.io/name: ingress-nginx
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/version: 1.1.1
app.kubernetes.io/managed-by: Helm
app.kubernetes.io/component: controller
name: ingress-nginx
namespace: ingress-nginx
roleRef:
apiGroup: rbac.authorization.k8s.io
kind: Role
name: ingress-nginx
subjects:
- kind: ServiceAccount
name: ingress-nginx
namespace: ingress-nginx
---
# Source: ingress-nginx/templates/controller-service-webhook.yaml
apiVersion: v1
kind: Service
metadata:
labels:
helm.sh/chart: ingress-nginx-4.0.15
app.kubernetes.io/name: ingress-nginx
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/version: 1.1.1
app.kubernetes.io/managed-by: Helm
app.kubernetes.io/component: controller
name: ingress-nginx-controller-admission
namespace: ingress-nginx
spec:
type: ClusterIP
ports:
- name: https-webhook
port: 443
targetPort: webhook
appProtocol: https
selector:
app.kubernetes.io/name: ingress-nginx
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/component: controller
---
# Source: ingress-nginx/templates/controller-service.yaml
apiVersion: v1
kind: Service
metadata:
annotations:
labels:
helm.sh/chart: ingress-nginx-4.0.15
app.kubernetes.io/name: ingress-nginx
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/version: 1.1.1
app.kubernetes.io/managed-by: Helm
app.kubernetes.io/component: controller
name: ingress-nginx-controller
namespace: ingress-nginx
spec:
type: LoadBalancer
externalTrafficPolicy: Local
ipFamilyPolicy: SingleStack
ipFamilies:
- IPv4
ports:
- name: http
port: 80
protocol: TCP
targetPort: http
appProtocol: http
- name: https
port: 443
protocol: TCP
targetPort: https
appProtocol: https
selector:
app.kubernetes.io/name: ingress-nginx
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/component: controller
---
# Source: ingress-nginx/templates/controller-deployment.yaml
apiVersion: apps/v1
kind: Deployment
metadata:
labels:
helm.sh/chart: ingress-nginx-4.0.15
app.kubernetes.io/name: ingress-nginx
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/version: 1.1.1
app.kubernetes.io/managed-by: Helm
app.kubernetes.io/component: controller
name: ingress-nginx-controller
namespace: ingress-nginx
spec:
selector:
matchLabels:
app.kubernetes.io/name: ingress-nginx
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/component: controller
revisionHistoryLimit: 10
minReadySeconds: 0
template:
metadata:
labels:
app.kubernetes.io/name: ingress-nginx
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/component: controller
spec:
dnsPolicy: ClusterFirst
containers:
- name: controller
image: registry.cn-hangzhou.aliyuncs.com/google_containers/nginx-ingress-controller:v1.1.1
imagePullPolicy: IfNotPresent
lifecycle:
preStop:
exec:
command:
- /wait-shutdown
args:
- /nginx-ingress-controller
- --publish-service=$(POD_NAMESPACE)/ingress-nginx-controller
- --election-id=ingress-controller-leader
- --controller-class=k8s.io/ingress-nginx
- --configmap=$(POD_NAMESPACE)/ingress-nginx-controller
- --validating-webhook=:8443
- --validating-webhook-certificate=/usr/local/certificates/cert
- --validating-webhook-key=/usr/local/certificates/key
securityContext:
capabilities:
drop:
- ALL
add:
- NET_BIND_SERVICE
runAsUser: 101
allowPrivilegeEscalation: true
env:
- name: POD_NAME
valueFrom:
fieldRef:
fieldPath: metadata.name
- name: POD_NAMESPACE
valueFrom:
fieldRef:
fieldPath: metadata.namespace
- name: LD_PRELOAD
value: /usr/local/lib/libmimalloc.so
livenessProbe:
failureThreshold: 5
httpGet:
path: /healthz
port: 10254
scheme: HTTP
initialDelaySeconds: 10
periodSeconds: 10
successThreshold: 1
timeoutSeconds: 1
readinessProbe:
failureThreshold: 3
httpGet:
path: /healthz
port: 10254
scheme: HTTP
initialDelaySeconds: 10
periodSeconds: 10
successThreshold: 1
timeoutSeconds: 1
ports:
- name: http
containerPort: 80
protocol: TCP
- name: https
containerPort: 443
protocol: TCP
- name: webhook
containerPort: 8443
protocol: TCP
volumeMounts:
- name: webhook-cert
mountPath: /usr/local/certificates/
readOnly: true
resources:
requests:
cpu: 100m
memory: 90Mi
nodeSelector:
kubernetes.io/os: linux
serviceAccountName: ingress-nginx
terminationGracePeriodSeconds: 300
volumes:
- name: webhook-cert
secret:
secretName: ingress-nginx-admission
---
# Source: ingress-nginx/templates/controller-ingressclass.yaml
# We don't support namespaced ingressClass yet
# So a ClusterRole and a ClusterRoleBinding is required
apiVersion: networking.k8s.io/v1
kind: IngressClass
metadata:
labels:
helm.sh/chart: ingress-nginx-4.0.15
app.kubernetes.io/name: ingress-nginx
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/version: 1.1.1
app.kubernetes.io/managed-by: Helm
app.kubernetes.io/component: controller
name: nginx
namespace: ingress-nginx
spec:
controller: k8s.io/ingress-nginx
---
# Source: ingress-nginx/templates/admission-webhooks/validating-webhook.yaml
# before changing this value, check the required kubernetes version
# https://kubernetes.io/docs/reference/access-authn-authz/extensible-admission-controllers/#prerequisites
apiVersion: admissionregistration.k8s.io/v1
kind: ValidatingWebhookConfiguration
metadata:
labels:
helm.sh/chart: ingress-nginx-4.0.15
app.kubernetes.io/name: ingress-nginx
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/version: 1.1.1
app.kubernetes.io/managed-by: Helm
app.kubernetes.io/component: admission-webhook
name: ingress-nginx-admission
webhooks:
- name: validate.nginx.ingress.kubernetes.io
matchPolicy: Equivalent
rules:
- apiGroups:
- networking.k8s.io
apiVersions:
- v1
operations:
- CREATE
- UPDATE
resources:
- ingresses
failurePolicy: Fail
sideEffects: None
admissionReviewVersions:
- v1
clientConfig:
service:
namespace: ingress-nginx
name: ingress-nginx-controller-admission
path: /networking/v1/ingresses
---
# Source: ingress-nginx/templates/admission-webhooks/job-patch/serviceaccount.yaml
apiVersion: v1
kind: ServiceAccount
metadata:
name: ingress-nginx-admission
namespace: ingress-nginx
annotations:
helm.sh/hook: pre-install,pre-upgrade,post-install,post-upgrade
helm.sh/hook-delete-policy: before-hook-creation,hook-succeeded
labels:
helm.sh/chart: ingress-nginx-4.0.15
app.kubernetes.io/name: ingress-nginx
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/version: 1.1.1
app.kubernetes.io/managed-by: Helm
app.kubernetes.io/component: admission-webhook
---
# Source: ingress-nginx/templates/admission-webhooks/job-patch/clusterrole.yaml
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
name: ingress-nginx-admission
annotations:
helm.sh/hook: pre-install,pre-upgrade,post-install,post-upgrade
helm.sh/hook-delete-policy: before-hook-creation,hook-succeeded
labels:
helm.sh/chart: ingress-nginx-4.0.15
app.kubernetes.io/name: ingress-nginx
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/version: 1.1.1
app.kubernetes.io/managed-by: Helm
app.kubernetes.io/component: admission-webhook
rules:
- apiGroups:
- admissionregistration.k8s.io
resources:
- validatingwebhookconfigurations
verbs:
- get
- update
---
# Source: ingress-nginx/templates/admission-webhooks/job-patch/clusterrolebinding.yaml
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
name: ingress-nginx-admission
annotations:
helm.sh/hook: pre-install,pre-upgrade,post-install,post-upgrade
helm.sh/hook-delete-policy: before-hook-creation,hook-succeeded
labels:
helm.sh/chart: ingress-nginx-4.0.15
app.kubernetes.io/name: ingress-nginx
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/version: 1.1.1
app.kubernetes.io/managed-by: Helm
app.kubernetes.io/component: admission-webhook
roleRef:
apiGroup: rbac.authorization.k8s.io
kind: ClusterRole
name: ingress-nginx-admission
subjects:
- kind: ServiceAccount
name: ingress-nginx-admission
namespace: ingress-nginx
---
# Source: ingress-nginx/templates/admission-webhooks/job-patch/role.yaml
apiVersion: rbac.authorization.k8s.io/v1
kind: Role
metadata:
name: ingress-nginx-admission
namespace: ingress-nginx
annotations:
helm.sh/hook: pre-install,pre-upgrade,post-install,post-upgrade
helm.sh/hook-delete-policy: before-hook-creation,hook-succeeded
labels:
helm.sh/chart: ingress-nginx-4.0.15
app.kubernetes.io/name: ingress-nginx
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/version: 1.1.1
app.kubernetes.io/managed-by: Helm
app.kubernetes.io/component: admission-webhook
rules:
- apiGroups:
- ''
resources:
- secrets
verbs:
- get
- create
---
# Source: ingress-nginx/templates/admission-webhooks/job-patch/rolebinding.yaml
apiVersion: rbac.authorization.k8s.io/v1
kind: RoleBinding
metadata:
name: ingress-nginx-admission
namespace: ingress-nginx
annotations:
helm.sh/hook: pre-install,pre-upgrade,post-install,post-upgrade
helm.sh/hook-delete-policy: before-hook-creation,hook-succeeded
labels:
helm.sh/chart: ingress-nginx-4.0.15
app.kubernetes.io/name: ingress-nginx
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/version: 1.1.1
app.kubernetes.io/managed-by: Helm
app.kubernetes.io/component: admission-webhook
roleRef:
apiGroup: rbac.authorization.k8s.io
kind: Role
name: ingress-nginx-admission
subjects:
- kind: ServiceAccount
name: ingress-nginx-admission
namespace: ingress-nginx
---
# Source: ingress-nginx/templates/admission-webhooks/job-patch/job-createSecret.yaml
apiVersion: batch/v1
kind: Job
metadata:
name: ingress-nginx-admission-create
namespace: ingress-nginx
annotations:
helm.sh/hook: pre-install,pre-upgrade
helm.sh/hook-delete-policy: before-hook-creation,hook-succeeded
labels:
helm.sh/chart: ingress-nginx-4.0.15
app.kubernetes.io/name: ingress-nginx
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/version: 1.1.1
app.kubernetes.io/managed-by: Helm
app.kubernetes.io/component: admission-webhook
spec:
template:
metadata:
name: ingress-nginx-admission-create
labels:
helm.sh/chart: ingress-nginx-4.0.15
app.kubernetes.io/name: ingress-nginx
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/version: 1.1.1
app.kubernetes.io/managed-by: Helm
app.kubernetes.io/component: admission-webhook
spec:
containers:
- name: create
image: registry.cn-hangzhou.aliyuncs.com/google_containers/kube-webhook-certgen:v1.1.1
imagePullPolicy: IfNotPresent
args:
- create
- --host=ingress-nginx-controller-admission,ingress-nginx-controller-admission.$(POD_NAMESPACE).svc
- --namespace=$(POD_NAMESPACE)
- --secret-name=ingress-nginx-admission
env:
- name: POD_NAMESPACE
valueFrom:
fieldRef:
fieldPath: metadata.namespace
securityContext:
allowPrivilegeEscalation: false
restartPolicy: OnFailure
serviceAccountName: ingress-nginx-admission
nodeSelector:
kubernetes.io/os: linux
securityContext:
runAsNonRoot: true
runAsUser: 2000
---
# Source: ingress-nginx/templates/admission-webhooks/job-patch/job-patchWebhook.yaml
apiVersion: batch/v1
kind: Job
metadata:
name: ingress-nginx-admission-patch
namespace: ingress-nginx
annotations:
helm.sh/hook: post-install,post-upgrade
helm.sh/hook-delete-policy: before-hook-creation,hook-succeeded
labels:
helm.sh/chart: ingress-nginx-4.0.15
app.kubernetes.io/name: ingress-nginx
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/version: 1.1.1
app.kubernetes.io/managed-by: Helm
app.kubernetes.io/component: admission-webhook
spec:
template:
metadata:
name: ingress-nginx-admission-patch
labels:
helm.sh/chart: ingress-nginx-4.0.15
app.kubernetes.io/name: ingress-nginx
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/version: 1.1.1
app.kubernetes.io/managed-by: Helm
app.kubernetes.io/component: admission-webhook
spec:
containers:
- name: patch
image: registry.cn-hangzhou.aliyuncs.com/google_containers/kube-webhook-certgen:v1.1.1
imagePullPolicy: IfNotPresent
args:
- patch
- --webhook-name=ingress-nginx-admission
- --namespace=$(POD_NAMESPACE)
- --patch-mutating=false
- --secret-name=ingress-nginx-admission
- --patch-failure-policy=Fail
env:
- name: POD_NAMESPACE
valueFrom:
fieldRef:
fieldPath: metadata.namespace
securityContext:
allowPrivilegeEscalation: false
restartPolicy: OnFailure
serviceAccountName: ingress-nginx-admission
nodeSelector:
kubernetes.io/os: linux
securityContext:
runAsNonRoot: true
runAsUser: 2000
部署ingress-nginx-controller
接下来apply配置文件。
# kubectl get pod -n ingress-nginx
NAME READY STATUS RESTARTS AGE
ingress-nginx-admission-create-nxq97 0/1 Completed 0 31s
ingress-nginx-admission-patch-g2tn4 0/1 Completed 0 31s
ingress-nginx-controller-74c6bcdc65-qdwct 1/1 Running 0 31s
syncthing域名访问
apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
name: ingress-host-bar
spec:
ingressClassName: nginx #默认就写Nginx
rules:
- host: "xxxxx" #服务的域名
http:
paths:
- pathType: Prefix #表示以前缀的方式进行匹配
path: "/" #前缀必须有个"/"，才可以成功匹配
backend:
service: #规定Ingress后端的Service
name: syncthing #后端Service的名称
port:
number: 8384 #后端Service监听的端口
使用下面的命令apply：
kubectl apply -f ingress-syncthing.yaml
访问Ingress：
# kubectl get svc -n ingress-nginx
NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE
ingress-nginx-controller NodePort 10.96.252.85 <none> 80:31465/TCP,443:31816/TCP 27m
ingress-nginx-controller-admission ClusterIP 10.96.210.66 <none> 443/TCP 27m
但是此时的域名还不能直接用于访问，需要在本地配置下域名映射，例如在linux的/etc/hosts文件内增加woker阶段和自定义域名的解析。
也可以去买个域名，我是购买了一个阿里云的域名，然后配置解析woker节点的ip(192网段)，这样在局域网内直接访问域名+端口就可以访问后端了
例如：域名xxx:31465/
这个根path “/” 一定要带。。。
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