261 lines
7.4 KiB
YAML
261 lines
7.4 KiB
YAML
---
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apiVersion: apiextensions.k8s.io/v1
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kind: CustomResourceDefinition
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metadata:
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name: keydbs.codemowers.io
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spec:
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group: codemowers.io
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names:
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plural: keydbs
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singular: keydb
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kind: KeyDBCluster
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shortNames:
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- keydb
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scope: Namespaced
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versions:
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- name: v1alpha1
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served: true
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storage: true
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schema:
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openAPIV3Schema:
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type: object
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properties:
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spec:
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type: object
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properties:
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replicas:
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type: integer
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description: Replica count
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persistent:
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type: boolean
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default: false
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description: Whether persistence is enabled
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required: ["spec"]
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---
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apiVersion: codemowers.io/v1alpha1
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kind: ClusterOperator
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metadata:
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name: keydb
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spec:
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resource:
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group: codemowers.io
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version: v1alpha1
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plural: keydbs
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secret:
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enabled: true
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name: foobar-secrets
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structure:
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- key: REDIS_PASSWORD
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value: "%s"
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- key: REDIS_URI
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value: "redis://:%s@foobar"
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configmaps:
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- apiVersion: v1
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kind: ConfigMap
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metadata:
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name: foobar-scripts
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labels:
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app.kubernetes.io/name: foobar
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data:
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entrypoint.sh: |
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#!/bin/bash
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set -euxo pipefail
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host="$(hostname)"
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port="6379"
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replicas=()
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for node in {0..2}; do
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if [ "${host}" != "foobar-${node}" ]; then
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replicas+=("--replicaof foobar-${node}.foobar-headless ${port}")
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fi
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done
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exec keydb-server /etc/keydb/redis.conf \
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--active-replica "yes" \
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--multi-master "yes" \
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--appendonly "no" \
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--bind "0.0.0.0" \
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--port "${port}" \
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--protected-mode "no" \
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--server-threads "2" \
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--masterauth "${REDIS_PASSWORD}" \
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--requirepass "${REDIS_PASSWORD}" \
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"${replicas[@]}"
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ping_readiness_local.sh: |-
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#!/bin/bash
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set -e
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[[ -n "${REDIS_PASSWORD}" ]] && export REDISCLI_AUTH="${REDIS_PASSWORD}"
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response="$(
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timeout -s 3 "${1}" \
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keydb-cli \
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-h localhost \
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-p 6379 \
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ping
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)"
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if [ "${response}" != "PONG" ]; then
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echo "${response}"
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exit 1
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fi
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ping_liveness_local.sh: |-
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#!/bin/bash
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set -e
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[[ -n "${REDIS_PASSWORD}" ]] && export REDISCLI_AUTH="${REDIS_PASSWORD}"
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response="$(
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timeout -s 3 "${1}" \
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keydb-cli \
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-h localhost \
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-p 6379 \
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ping
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)"
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if [ "${response}" != "PONG" ] && [[ ! "${response}" =~ ^.*LOADING.*$ ]]; then
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echo "${response}"
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exit 1
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fi
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cleanup_tempfiles.sh: |-
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#!/bin/bash
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set -e
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find /data/ -type f \( -name "temp-*.aof" -o -name "temp-*.rdb" \) -mmin +60 -delete
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services:
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- apiVersion: v1
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kind: Service
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metadata:
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name: foobar-headless
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labels:
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app.kubernetes.io/name: foobar
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spec:
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type: ClusterIP
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clusterIP: None
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ports:
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- name: "server"
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port: 6379
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protocol: TCP
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targetPort: redis
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selector:
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app.kubernetes.io/name: foobar
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- apiVersion: v1
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kind: Service
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metadata:
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name: foobar
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labels:
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app.kubernetes.io/name: foobar
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annotations:
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{}
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spec:
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type: ClusterIP
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ports:
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- name: "server"
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port: 6379
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protocol: TCP
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targetPort: redis
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- name: "redis-exporter"
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port: 9121
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protocol: TCP
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targetPort: redis-exporter
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selector:
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app.kubernetes.io/name: foobar
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sessionAffinity: ClientIP
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statefulsets:
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- apiVersion: apps/v1
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kind: StatefulSet
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metadata:
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name: foobar
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labels:
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app.kubernetes.io/name: foobar
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spec:
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replicas: 3
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serviceName: foobar-headless
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selector:
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matchLabels:
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app.kubernetes.io/name: foobar
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template:
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metadata:
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annotations:
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prometheus.io/port: "9121"
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prometheus.io/scrape: "true"
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labels:
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app.kubernetes.io/name: foobar
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spec:
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affinity:
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podAntiAffinity:
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preferredDuringSchedulingIgnoredDuringExecution:
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- podAffinityTerm:
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labelSelector:
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matchExpressions:
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- key: app.kubernetes.io/name
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operator: In
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values:
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- 'foobar'
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topologyKey: kubernetes.io/hostname
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weight: 100
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containers:
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- name: redis
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image: eqalpha/keydb:x86_64_v6.3.1
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imagePullPolicy: Always
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command:
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- /scripts/entrypoint.sh
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ports:
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- name: redis
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containerPort: 6379
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protocol: TCP
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livenessProbe:
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initialDelaySeconds: 20
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periodSeconds: 5
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# One second longer than command timeout should prevent generation of zombie processes.
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timeoutSeconds: 6
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successThreshold: 1
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failureThreshold: 5
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exec:
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command:
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- sh
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- -c
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- /scripts/ping_liveness_local.sh 5
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readinessProbe:
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initialDelaySeconds: 20
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periodSeconds: 5
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# One second longer than command timeout should prevent generation of zombie processes.
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timeoutSeconds: 2
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successThreshold: 1
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failureThreshold: 5
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exec:
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command:
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- sh
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- -c
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- /scripts/ping_readiness_local.sh 1
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startupProbe:
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periodSeconds: 5
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# One second longer than command timeout should prevent generation of zombie processes.
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timeoutSeconds: 2
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failureThreshold: 24
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exec:
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command:
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- sh
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- -c
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- /scripts/ping_readiness_local.sh 1
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resources:
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{}
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securityContext:
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{}
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volumeMounts:
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- name: foobar-scripts
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mountPath: /scripts
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- name: foobar-data
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mountPath: /data
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envFrom:
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- secretRef:
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name: foobar-secrets
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- name: redis-exporter
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image: quay.io/oliver006/redis_exporter
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ports:
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- name: metrics
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containerPort: 9121
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envFrom:
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- secretRef:
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name: foobar-secrets
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securityContext:
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{}
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volumes:
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- name: foobar-scripts
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configMap:
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name: foobar-scripts
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defaultMode: 0755
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- name: foobar-data
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emptyDir: {}
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