ローンチから11年を経過したサービス「Shopらん」を今後も発展させていくために技術的負債の返済とマイクロサービス化、そしてAKSによるkubernetesへのデプロイに取り組んでいる内容について解説します。

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kensuke_ishida

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class SessionDAO {
static Session load(String cookie) {
}
static Session create(Account user) {
}
static void delete(Session session) {
}
}

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interface SessionService {
Session load(String cookie);
Session create(Account user);
void delete(Session session);
}

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Session session = SessionDAO.load(cookie);
Session session = SessionServiceFactory.getService()
.load(cookie);

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SessionService getService() {
if (microserviceEnabled()) {
//
return new SessionServiceDriver();
} else {
//
return new SessionDAOProxy();
}
}

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FROM openjdk:8-jre-alpine
LABEL maintainer="build@shoprun.jp"
EXPOSE 443
ARG JAR_FILE=target/session-0.0.1-SNAPSHOT.jar
ADD ${JAR_FILE} service.jar
ADD shoprun-service.p12 shoprun-service.p12
ENTRYPOINT ["java", "-Djava.security.egd=file:/dev/./urandom",
"-Dspring.config.location=/etc/config/application.yaml", "-jar",
"/service.jar"]

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10.x.y.0/24
10.z.0.0/16

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apiVersion: apps/v1beta1
kind: Deployment
metadata:
name: session-service
labels:
app: session-service
spec:
replicas: 3
strategy:
rollingUpdate:
maxSurge: 1
maxUnavailable: 1
minReadySeconds: 5
template:
metadata:
labels:
app: session-service
spec:
containers:

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{
'application.yaml’:
'server:
port: 443
ssl:
enabled: true
protocol: TLSv1.2
…
'
}
spec:
containers:
- image: xxxxxx.azurecr.io/session-service
volumeMount:
- mountPath: /etc/config
/etc
└ config
└ application.yaml

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apiVersion: apps/v1beta1
kind: Deployment
metadata:
name: stg-session-service
spec:
template:
volumes:
- configMap:
name: stg-special-config-d655274926
name: configmap-volume

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ログ収集の仕組み
/var/lib/docker/containers/…
stdout
tcp/9200
REST

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https://github.com/fluent/fluentd-kubernetes-daemonset
spec:
tolerations:
- key: node-role.kubernetes.io/master
effect: NoSchedule
containers:
- name: fluentd-elasticsearch
image: fluent/fluentd-kubernetes-daemonset:v1.3.3-debian-elasticsearch-1.0
env:
- name: FLUENT_ELASTICSEARCH_HOST
value: "elasticsearch-server"
- name: FLUENT_ELASTICSEARCH_PORT
value: "9200"
- name: FLUENT_ELASTICSEARCH_SCHEME
value: "http"
- name: FLUENT_UID
value: "0"

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https://git.io/fhQNs

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7.05ms
26.07ms
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JHipster

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dreamarts_pr