使用Diagrams可以用Python代码绘制云系统架构。它的诞生是为没有任何设计工具的新系统架构设计提供原型。您还可以描述或可视化现有的系统架构。图表目前支持六个主要供应商：AWS，Azure，GCP，Kubernetes，Alibaba Cloud和Oracle Cloud。现在，它还支持On-Premise节点。
Diagram as Code还使您可以跟踪任何版本控制系统中的体系结构图更改。
注意：它不控制任何实际的云资源，也不会生成云形式或本地形式的代码。它仅用于绘制云系统架构图。
事件处理架构图：
from diagrams import Cluster, Diagram
from diagrams.aws.compute import ECS, EKS, Lambda
from diagrams.aws.database import Redshift
from diagrams.aws.integration import SQS
from diagrams.aws.storage import S3
with Diagram("Event Processing", show=False):
source = EKS("k8s source")
with Cluster("Event Flows"):
with Cluster("Event Workers"):
workers = [ECS("worker1"),
ECS("worker2"),
ECS("worker3")]
queue = SQS("event queue")
with Cluster("Processing"):
handlers = [Lambda("proc1"),
Lambda("proc2"),
Lambda("proc3")]
store = S3("events store")
dw = Redshift("analytics")
source >> workers >> queue >> handlers
handlers >> store
handlers >> dw
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有状态架构图：
from diagrams import Cluster, Diagram
from diagrams.k8s.compute import Pod, StatefulSet
from diagrams.k8s.network import Service
from diagrams.k8s.storage import PV, PVC, StorageClass
with Diagram("Stateful Architecture", show=False):
with Cluster("Apps"):
svc = Service("svc")
sts = StatefulSet("sts")
apps = []
for _ in range(3):
pod = Pod("pod")
pvc = PVC("pvc")
pod - sts - pvc
apps.append(svc >> pod >> pvc)
apps << PV("pv") << StorageClass("sc")
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