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playground: Initial commit

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Lauri Võsandi 2022-10-14 00:14:35 +03:00
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10
playground/README.md Normal file
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# Playground
Playground namespace is accessible to `Developers` AD group.
Novel log aggregator is being developer in this namespace:
```
kubectl create secret generic -n playground mongodb-application-readwrite-password --from-literal="password=$(cat /dev/urandom | base64 | head -c 30)"
kubectl create secret generic -n playground mongodb-application-readonly-password --from-literal="password=$(cat /dev/urandom | base64 | head -c 30)"
kubectl apply -n playground -f logging.yml -f mongodb-support.yml -f mongoexpress.yml -f networkpolicy-base.yml

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playground/logging.yml Normal file
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---
apiVersion: mongodbcommunity.mongodb.com/v1
kind: MongoDBCommunity
metadata:
name: mongodb
spec:
additionalMongodConfig:
systemLog:
quiet: true
members: 3
type: ReplicaSet
version: "5.0.13"
security:
authentication:
modes: ["SCRAM"]
users:
- name: readwrite
db: application
passwordSecretRef:
name: mongodb-application-readwrite-password
roles:
- name: readWrite
db: application
scramCredentialsSecretName: mongodb-application-readwrite
- name: readonly
db: application
passwordSecretRef:
name: mongodb-application-readonly-password
roles:
- name: readOnly
db: application
scramCredentialsSecretName: mongodb-application-readonly
statefulSet:
spec:
logLevel: WARN
template:
spec:
containers:
- name: mongod
resources:
requests:
cpu: 100m
memory: 2Gi
limits:
cpu: 2000m
memory: 2Gi
- name: mongodb-agent
resources:
requests:
cpu: 1m
memory: 100Mi
limits: {}
affinity:
podAntiAffinity:
requiredDuringSchedulingIgnoredDuringExecution:
- labelSelector:
matchExpressions:
- key: app
operator: In
values:
- mongodb-svc
topologyKey: kubernetes.io/hostname
nodeSelector:
dedicated: monitoring
tolerations:
- key: dedicated
operator: Equal
value: monitoring
effect: NoSchedule
volumeClaimTemplates:
- metadata:
name: logs-volume
spec:
storageClassName: local-path
accessModes:
- ReadWriteOnce
resources:
requests:
storage: 512Mi
- metadata:
name: data-volume
spec:
storageClassName: local-path
accessModes:
- ReadWriteOnce
resources:
requests:
storage: 2Gi
---
apiVersion: apps/v1
kind: DaemonSet
metadata:
name: log-shipper
spec:
updateStrategy:
type: RollingUpdate
rollingUpdate:
maxUnavailable: 50%
selector:
matchLabels:
app: log-shipper
template:
metadata:
labels:
app: log-shipper
spec:
serviceAccountName: log-shipper
containers:
- name: log-shipper
image: harbor.k-space.ee/k-space/log-shipper
securityContext:
runAsUser: 0
env:
- name: MY_POD_NAMESPACE
valueFrom:
fieldRef:
fieldPath: metadata.namespace
- name: NODE_NAME
valueFrom:
fieldRef:
fieldPath: spec.nodeName
- name: MONGODB_HOST
valueFrom:
secretKeyRef:
name: mongodb-application-readwrite
key: connectionString.standard
ports:
- containerPort: 8000
name: metrics
resources:
limits:
memory: 200Mi
requests:
cpu: 100m
memory: 100Mi
volumeMounts:
- name: etcmachineid
mountPath: /etc/machine-id
readOnly: true
- name: varlibdockercontainers
mountPath: /var/lib/docker/containers
readOnly: true
- name: varlog
mountPath: /var/log
readOnly: true
volumes:
- name: etcmachineid
hostPath:
path: /etc/machine-id
- name: varlibdockercontainers
hostPath:
path: /var/lib/docker/containers
- name: varlog
hostPath:
path: /var/log
tolerations:
- operator: "Exists"
effect: "NoExecute"
- operator: "Exists"
effect: "NoSchedule"
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
name: logging-log-shipper
subjects:
- kind: ServiceAccount
name: log-shipper
namespace: playground
roleRef:
kind: ClusterRole
name: filebeat
apiGroup: rbac.authorization.k8s.io
---
apiVersion: v1
kind: ServiceAccount
metadata:
name: log-shipper
labels:
app: log-shipper
---
apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
name: log-shipper
spec:
podSelector:
matchLabels:
app: log-shipper
policyTypes:
- Ingress
- Egress
ingress:
- from:
- namespaceSelector:
matchLabels:
kubernetes.io/metadata.name: prometheus-operator
podSelector:
matchLabels:
app.kubernetes.io/name: prometheus
egress:
- to:
- podSelector:
matchLabels:
app: mongodb-svc
ports:
- port: 27017
---
apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
name: log-viewer-backend
spec:
podSelector:
matchLabels:
app: log-viewer-backend
policyTypes:
- Ingress
- Egress
egress:
- to:
- podSelector:
matchLabels:
app: mongodb-svc
ingress:
- from:
- namespaceSelector:
matchLabels:
kubernetes.io/metadata.name: traefik
podSelector:
matchLabels:
app.kubernetes.io/name: traefik
---
apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
name: log-viewer-frontend
spec:
podSelector:
matchLabels:
app: log-viewer-frontend
policyTypes:
- Ingress
- Egress
ingress:
- from:
- namespaceSelector:
matchLabels:
kubernetes.io/metadata.name: traefik
podSelector:
matchLabels:
app.kubernetes.io/name: traefik
---
apiVersion: monitoring.coreos.com/v1
kind: PodMonitor
metadata:
name: log-shipper
spec:
selector:
matchLabels:
app: log-shipper
podMetricsEndpoints:
- port: metrics

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playground/mongodb-support.yml Symbolic link
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../mongodb-operator/mongodb-support.yml

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playground/mongoexpress.yml Symbolic link
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../shared/mongoexpress.yml

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playground/networkpolicy-base.yml Symbolic link
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../shared/networkpolicy-base.yml