chore (ChaosCenter): Adding Network-Policies for control-plane & agent-plane components (#3523)
* Added network policies Signed-off-by: Jonsy13 <vedant.shrotria@chaosnative.com> * Added some changes in NP Signed-off-by: Jonsy13 <vedant.shrotria@chaosnative.com> * Added Minor changes for Network-policies Signed-off-by: Jonsy13 <vedant.shrotria@chaosnative.com>
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Vedant Shrotria
GitHub
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## Policy for Self-agent Subscriber
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apiVersion: networking.k8s.io/v1
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kind: NetworkPolicy
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metadata:
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name: subscriber-network-policy
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spec:
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podSelector:
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matchLabels:
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app: subscriber
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policyTypes:
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- Ingress
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- Egress
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ingress:
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- from:
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# gql-server --> self-agent, Accepting workflow requests from gql-server
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- podSelector:
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matchLabels:
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component: litmusportal-server
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# external-agent --> gql-server connection, please commentout & update as per requirements
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# - ipBlock:
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# cidr: 10.0.0.0/24
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egress:
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# Needs access to kube-api-server for applying the workflows & for sending events/requests to gql-server
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- {}
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---
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#Policy for event-tracker
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apiVersion: networking.k8s.io/v1
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kind: NetworkPolicy
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metadata:
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name: event-tracker-network-policy
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spec:
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podSelector:
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matchLabels:
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app: event-tracker
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policyTypes:
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- Egress
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# Needs access to kube-api-server for reconcilation on workflows & target-applications annoted for gitOps
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egress:
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- {}
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---
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#Policy for workflow-controller
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apiVersion: networking.k8s.io/v1
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kind: NetworkPolicy
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metadata:
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name: workflow-controller-network-policy
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spec:
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podSelector:
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matchLabels:
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app: workflow-controller
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policyTypes:
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- Egress
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egress:
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# Needs access to kube-api-server for reconcilation & running the scheduled workflows on the cluster
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- {}
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---
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#Policy for chaos-operator
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apiVersion: networking.k8s.io/v1
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kind: NetworkPolicy
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metadata:
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name: chaos-operator-network-policy
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spec:
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podSelector:
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matchLabels:
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app.kubernetes.io/component: operator
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policyTypes:
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- Egress
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egress:
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# Needs access to kube-api-server for reconcilation & running the chaos-injection
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- {}
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---
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#Policy for chaos-exporter
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apiVersion: networking.k8s.io/v1
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kind: NetworkPolicy
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metadata:
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name: chaos-exporter-network-policy
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spec:
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podSelector:
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matchLabels:
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app: chaos-exporter
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policyTypes:
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- Egress
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- Ingress
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ingress:
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# Prometheus needs access for fetching metrics. PORT - 8080
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- {}
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egress:
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# Needs access to kube-api-server for metrics
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- {}
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---
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# Policy for Mongo Database
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apiVersion: networking.k8s.io/v1
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kind: NetworkPolicy
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metadata:
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name: db-network-policy
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spec:
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podSelector:
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matchLabels:
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component: database
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policyTypes:
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- Ingress
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- Egress
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# No outbound connection allowed for DB
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egress: []
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ingress:
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- from:
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# Accepts connections from gql-server pod
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- podSelector:
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matchLabels:
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component: litmusportal-server
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# Accepts connections from authg-server pod
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- podSelector:
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matchLabels:
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component: litmusportal-auth-server
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ports:
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- protocol: TCP
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port: 27017
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---
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# Policy for Gql-Server (Needs Egress access to subscriber)
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apiVersion: networking.k8s.io/v1
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kind: NetworkPolicy
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metadata:
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name: server-network-policy
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spec:
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podSelector:
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matchLabels:
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component: litmusportal-server
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policyTypes:
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- Ingress
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- Egress
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ingress:
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# Normal Query/Mutations/Subscriptions ---
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- from:
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# frontend --> gql-server connection
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- podSelector:
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matchLabels:
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component: litmusportal-frontend
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# self-agent --> gql-server, websocket connections
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- podSelector:
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matchLabels:
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app: subscriber
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#External Agent rules, please commentout & update as per requirements
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# - from:
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# - ipBlock:
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# cidr: 10.0.0.0/24
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ports:
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- protocol: TCP
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port: 8080
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# GRPC connections -------
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- from:
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# auth-server --> gql-server, grpc connection
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- podSelector:
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matchLabels:
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app: litmusportal-auth-server
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ports:
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- protocol: TCP
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port: 8000
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egress:
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- to:
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# gql-server --> auth-server, grpc connection
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- podSelector:
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matchLabels:
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app: litmusportal-auth-server
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# Server -> database connection
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- podSelector:
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matchLabels:
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component: database
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# Server --> Self-agent, workflow CRUD Ops
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- podSelector:
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matchLabels:
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app: subscriber
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# Server --> External Agent connection, please commentout & update as per requirements
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# - ipBlock:
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# cidr: 10.0.0.0/24
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# Needs access to kube-api-server as well for Ingress related operations
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---
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# Policy for Auth-Server (Needs Egress access to subscriber)
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apiVersion: networking.k8s.io/v1
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kind: NetworkPolicy
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metadata:
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name: auth-server-network-policy
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spec:
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podSelector:
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matchLabels:
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component: litmusportal-auth-server
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policyTypes:
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- Ingress
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- Egress
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ingress:
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#normal connections
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- from:
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# Frontend --> auth-Server connection
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- podSelector:
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matchLabels:
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component: litmusportal-frontend
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ports:
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- protocol: TCP
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port: 3000
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# GRPC connections
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- from:
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# gql-server --> auth-server, grpc connection
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- podSelector:
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matchLabels:
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app: litmusportal-server
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ports:
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- protocol: TCP
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port: 3030
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egress:
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- to:
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# Auth-Server -> database connection
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- podSelector:
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matchLabels:
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component: database
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# auth-server --> gql-server, grpc connection
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- podSelector:
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matchLabels:
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app: litmusportal-server
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---
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#Policy for Frontend pod (Allows External/Internal Traffic & egress only to server pod)
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apiVersion: networking.k8s.io/v1
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kind: NetworkPolicy
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metadata:
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name: frontend-network-policy
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spec:
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podSelector:
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matchLabels:
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component: litmusportal-frontend
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# Allowed all Ingress connections, customize according to requirements
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ingress:
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- {}
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egress:
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- to:
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# frontend --> gql-server connection
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- podSelector:
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matchLabels:
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component: litmusportal-server
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# frontend --> auth-server connection
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- podSelector:
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matchLabels:
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component: litmusportal-auth-server
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policyTypes:
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- Ingress
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- Egress
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