ecommerce-aws-devops/arch.py at main · safeer932/ecommerce-aws-devops · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
from diagrams import Diagram, Cluster, Edge
from diagrams.aws.network import VPC, PublicSubnet, PrivateSubnet, InternetGateway, NATGateway, Route53, ELB
from diagrams.aws.compute import EKS
from diagrams.aws.database import RDS
from diagrams.aws.storage import S3
from diagrams.aws.network import CloudFront
from diagrams.onprem.client import Users

# Configuration du diagramme
graph_attr = {
    "fontsize": "16",
    "bgcolor": "white",
    "pad": "0.5",
}

with Diagram("Infrastructure Cloud SaaS - Multi-AZ Haute Disponibilité",
             filename="architecture_aws",
             show=False,
             direction="TB",
             graph_attr=graph_attr):

    # Utilisateurs
    users = Users("Utilisateurs")

    # DNS
    dns = Route53("Route53\nDNS")

    # CloudFront + S3 pour Frontend
    with Cluster("Frontend Distribution"):
        cdn = CloudFront("CloudFront\nCDN")
        s3_frontend = S3("S3\nFrontend Static")

    # VPC
    with Cluster("VPC Multi-AZ"):
        igw = InternetGateway("Internet\nGateway")

        # Application Load Balancer
        alb = ELB("Application\nLoad Balancer\n(HTTPS/TLS)")

        # Availability Zone 1
        with Cluster("Availability Zone 1"):
            with Cluster("Public Subnet AZ1"):
                nat1 = NATGateway("NAT\nGateway 1")

            with Cluster("Private Subnet AZ1"):
                eks_nodes_1a = EKS("EKS Nodes\n(10-22 pods)")
                rds_primary = RDS("RDS MySQL\nPrimary\nMulti-AZ")

        # Availability Zone 2
        with Cluster("Availability Zone 2"):
            with Cluster("Public Subnet AZ2"):
                nat2 = NATGateway("NAT\nGateway 2")

            with Cluster("Private Subnet AZ2"):
                eks_nodes_1b = EKS("EKS Nodes\n(10-22 pods)")
                rds_standby = RDS("RDS MySQL\nStandby")

    # Flux utilisateurs
    users >> Edge(label="HTTPS") >> dns
    dns >> Edge(label="Static Assets") >> cdn >> s3_frontend
    dns >> Edge(label="API Requests") >> alb

    # Flux interne
    igw >> alb
    alb >> Edge(label="Route Traffic") >> [eks_nodes_1a, eks_nodes_1b]

    # NAT pour accès sortant
    eks_nodes_1a >> Edge(label="Outbound\n(pull images, APIs)") >> nat1 >> igw
    eks_nodes_1b >> Edge(label="Outbound\n(pull images, APIs)") >> nat2 >> igw

    # Base de données
    eks_nodes_1a >> Edge(label="DB Queries") >> rds_primary
    eks_nodes_1b >> Edge(label="DB Queries") >> rds_primary
    rds_primary >> Edge(label="Replication\nFailover", style="dashed") >> rds_standby