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- common
- kubernetes
- kube-master
- stolon
- name: Configure Kubernetes Nodes
hosts: workers

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apiVersion: v1
kind: Secret
metadata:
name: regcred
namespace: postgresql
data:
.dockerconfigjson: >-
eyJhdXRocyI6eyJodHRwczovL2luZGV4LmRvY2tlci5pby92MS8iOnsidXNlcm5hbWUiOiJ1c2VyIiwicGFzc3dvcmQiOiJwYXNzIiwiYXV0aCI6ImRmamlla2ZlcldFS1dFa29mY2RrbzM0MzUzZmQ9In19fQ==
type: kubernetes.io/dockerconfigjson

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# PetSet was renamed to StatefulSet in k8s 1.5
# apiVersion: apps/v1alpha1
# kind: PetSet
apiVersion: apps/v1
kind: StatefulSet
metadata:
name: stolon-keeper
namespace: postgresql
spec:
serviceName: "stolon-keeper"
replicas: 3
selector:
matchLabels:
component: stolon-keeper
stolon-cluster: kube-stolon
template:
metadata:
labels:
component: stolon-keeper
stolon-cluster: kube-stolon
annotations:
pod.alpha.kubernetes.io/initialized: "true"
prometheus.io/scrape: "true"
prometheus.io/port: "8080"
spec:
imagePullSecrets:
- name: regcred
terminationGracePeriodSeconds: 10
containers:
- name: stolon-keeper
image: sorintlab/stolon:master-pg15
command:
- "/bin/bash"
- "-ec"
- |
id stolon
# Generate our keeper uid using the pod index
IFS='-' read -ra ADDR <<< "$(hostname)"
export STKEEPER_UID="keeper${ADDR[-1]}"
export POD_IP=$(hostname -i)
export STKEEPER_PG_LISTEN_ADDRESS=$POD_IP
mkdir -p /stolon-data/data
export STOLON_DATA=/stolon-data/data
chown stolon:stolon /stolon-data
chown stolon:stolon $STOLON_DATA
exec gosu stolon stolon-keeper --data-dir $STOLON_DATA
env:
- name: POD_NAME
valueFrom:
fieldRef:
fieldPath: metadata.name
- name: STKEEPER_CLUSTER_NAME
valueFrom:
fieldRef:
fieldPath: metadata.labels['stolon-cluster']
- name: STKEEPER_STORE_BACKEND
value: "kubernetes"
- name: STKEEPER_KUBE_RESOURCE_KIND
value: "configmap"
- name: STKEEPER_PG_REPL_USERNAME
#value: "repluser"
valueFrom:
secretKeyRef:
name: stolon-repl-secret
key: username
- name: STKEEPER_PG_REPL_PASSWORD
#value: "replpassword"
valueFrom:
secretKeyRef:
name: stolon-repl-secret
key: password
- name: STKEEPER_PG_SU_USERNAME
#value: "stolon"
valueFrom:
secretKeyRef:
name: stolon-secret
key: username
- name: STKEEPER_PG_SU_PASSWORDFILE
value: "/etc/secrets/stolon/password"
- name: STKEEPER_METRICS_LISTEN_ADDRESS
value: "0.0.0.0:8080"
# Uncomment this to enable debug logs
#- name: STKEEPER_DEBUG
# value: "true"
ports:
- containerPort: 5432
- containerPort: 8080
volumeMounts:
- mountPath: /stolon-data
name: data
- mountPath: /etc/secrets/stolon
name: stolon
volumes:
- name: stolon
secret:
secretName: stolon-secret
volumeClaimTemplates:
- kind: PersistentVolumeClaim
apiVersion: v1
metadata:
name: data
namespace: postgresql
spec:
accessModes:
- ReadWriteOnce
resources:
requests:
storage: 10Gi
storageClassName: stolon-nfs-csi

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apiVersion: storage.k8s.io/v1
kind: StorageClass
metadata:
name: stolon-nfs-csi
namespace: postgresql
provisioner: nfs.csi.k8s.io
parameters:
server: 192.168.1.34
share: /mnt/pool/data/k8s-Volumes/postgress_stolon/keepers
allowVolumeExpansion: true
reclaimPolicy: Retain

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apiVersion: v1
kind: Service
metadata:
name: stolon-proxy-service
namespace: postgresql
spec:
ports:
- port: 5432
targetPort: 5432
selector:
component: stolon-proxy
stolon-cluster: kube-stolon
type: LoadBalancer
loadBalancerIP: 192.168.1.100

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apiVersion: apps/v1
kind: Deployment
metadata:
name: stolon-proxy
namespace: postgresql
spec:
replicas: 3
selector:
matchLabels:
component: stolon-proxy
stolon-cluster: kube-stolon
template:
metadata:
labels:
component: stolon-proxy
stolon-cluster: kube-stolon
annotations:
prometheus.io/scrape: "true"
prometheus.io/port: "8080"
spec:
imagePullSecrets:
- name: regcred
containers:
- name: stolon-proxy
image: sorintlab/stolon:master-pg10
command:
- "/bin/bash"
- "-ec"
- |
exec gosu stolon stolon-proxy
env:
- name: POD_NAME
valueFrom:
fieldRef:
fieldPath: metadata.name
- name: STPROXY_CLUSTER_NAME
valueFrom:
fieldRef:
fieldPath: metadata.labels['stolon-cluster']
- name: STPROXY_STORE_BACKEND
value: "kubernetes"
- name: STPROXY_KUBE_RESOURCE_KIND
value: "configmap"
- name: STPROXY_LISTEN_ADDRESS
value: "0.0.0.0"
- name: STPROXY_METRICS_LISTEN_ADDRESS
value: "0.0.0.0:8080"
## Uncomment this to enable debug logs
#- name: STPROXY_DEBUG
# value: "true"
ports:
- containerPort: 5432
- containerPort: 8080
readinessProbe:
tcpSocket:
port: 5432
initialDelaySeconds: 10
timeoutSeconds: 5

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apiVersion: v1
kind: Secret
metadata:
name: stolon-repl-secret
namespace: postgresql
type: Opaque
data:
username: asOndDQ5aWZqa2w0aW85
password: asOndDQ5aWZqa2w0aW85

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apiVersion: rbac.authorization.k8s.io/v1
kind: RoleBinding
metadata:
name: stolon-role-binding
namespace: postgresql
roleRef:
apiGroup: rbac.authorization.k8s.io
kind: Role
name: stolon-role
subjects:
- kind: ServiceAccount
name: default
namespace: postgresql

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apiVersion: rbac.authorization.k8s.io/v1
kind: Role
metadata:
name: stolon-role
namespace: postgresql
rules:
- apiGroups:
- ""
resources:
- pods
- configmaps
- events
verbs:
- "*"

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apiVersion: v1
kind: Secret
metadata:
name: stolon-secret
namespace: postgresql
type: Opaque
data:
username: asOndDQ5aWZqa2w0aW85
password: asOndDQ5aWZqa2w0aW85

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apiVersion: apps/v1
kind: Deployment
metadata:
name: stolon-sentinel
namespace: postgresql
spec:
replicas: 3
selector:
matchLabels:
component: stolon-sentinel
stolon-cluster: kube-stolon
template:
metadata:
labels:
component: stolon-sentinel
stolon-cluster: kube-stolon
annotations:
prometheus.io/scrape: "true"
prometheus.io/port: "8080"
spec:
imagePullSecrets:
- name: regcred
containers:
- name: stolon-sentinel
image: sorintlab/stolon:master-pg10
command:
- "/bin/bash"
- "-ec"
- |
exec gosu stolon stolon-sentinel
env:
- name: POD_NAME
valueFrom:
fieldRef:
fieldPath: metadata.name
- name: STSENTINEL_CLUSTER_NAME
valueFrom:
fieldRef:
fieldPath: metadata.labels['stolon-cluster']
- name: STSENTINEL_STORE_BACKEND
value: "kubernetes"
- name: STSENTINEL_KUBE_RESOURCE_KIND
value: "configmap"
- name: STSENTINEL_METRICS_LISTEN_ADDRESS
value: "0.0.0.0:8080"
## Uncomment this to enable debug logs
#- name: STSENTINEL_DEBUG
# value: "true"
ports:
- containerPort: 8080

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- name: Criar diretório temporário no remoto
file:
path: /tmp/stolon/kubernetes-files
state: directory
mode: '0755'
- name: Copiar arquivos YAML para o remoto
copy:
src: ./roles/stolon/kubernetes-files
dest: /tmp/stolon/kubernetes-files
mode: '0644'
- name: Aplicar os YAMLs com kubectl
command: kubectl apply -f /tmp/k8s_yamls/