def k8s(name):
with Cluster(name):
with Cluster('ns: onepanel'):
svc_core = Service('core')
pd_core = Pod('core-*')
dep_core = Deployment('core')
dep_core >> pd_core
svc_core >> pd_core
svc_core_ui = Service('core-ui')
pd_core_ui = Pod('core-ui-*')
dep_core_ui = Deployment('core-ui')
dep_core_ui >> pd_core_ui
svc_core_ui >> pd_core_ui
with Cluster('ns: istio-system'):
ing = Ingress('istio-ingressgateway')
# cert = Secret('TLS')
with Cluster('ns: my-project'):
with Cluster('Workspace'):
svc_workspace = Service('jupyterlab')
pd_workspace = Pod('jupyterlab-*')
pv_workspace = PV('jupyterlab-data-0')
sts_workspace = StatefulSet('jupyterlab')
sts_workspace >> pd_workspace
pd_workspace - pv_workspace
svc_workspace >> pd_workspace
# with Cluster('ns: cert-manager'):
# certmanager = Pod('cert-manager')
# certmanager >> cert
ing >> [svc_core, svc_core_ui, svc_workspace]
node_1 = Node('node-1')
node_2 = Node('node-2')
node_3 = Node('node-2')
pd_core - node_1
pd_core - node_2
pd_core_ui - node_1
pd_core_ui - node_2
pd_workspace - node_3
return node_1, node_2, node_3, ing, pd_core, pv_workspace
with Diagram(filename="jitsi_meet",
direction='TB',
show=False,
outformat='png',
graph_attr=graph_attr):
with Cluster("Conference 1"):
users_1 = [Custom("user", globe_img) for _ in range(3)]
with Cluster("Conference 2"):
users_2 = [Custom("user", globe_img) for _ in range(2)]
all_users = Custom("all users", globe_img)
with Cluster("Namespace 'jitsi'"):
n_shards = 2
n_haproxy = 2
haproxy_sts = StatefulSet("haproxy")
haproxy_pods = [Pod(f"haproxy-{j}") for j in range(n_haproxy)]
haproxy_sts >> haproxy_pods
web_service = Service("web")
ingress = Ingress("jitsi.messenger.schule")
ingress >> Service("haproxy") >> haproxy_pods >> web_service
for k in range(n_shards):
with Cluster(f"Shard-{k}"):
web_pod = Pod(f"shard-{k}-web")
prosody_pod = Pod(f"shard-{k}-prosody")
jicofo_pod = Pod(f"shard-{k}-jicofo")
Deployment(f"shard-{k}-prosody") >> prosody_pod
Deployment(f"shard-{k}-jicofo") >> jicofo_pod
web_service >> web_pod
prosody_service = Service(f"shard-{k}-prosody")
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")
from diagrams import Diagram, Cluster
from diagrams.k8s.network import Ingress, Service
from diagrams.k8s.compute import StatefulSet, Pod
from diagrams.k8s.storage import PV
from diagrams.k8s.infra import Node
with Diagram("Standard Kubernetes Install", show=False, direction="LR"):
ing = Ingress("trow.io")
svc = Service("trow-svc")
ing >> svc
pod = Pod("trow")
StatefulSet("trow-set") - pod
pod - PV("data-vol")
svc >> pod
with Cluster("Nodes"):
workers = [Node("Node 1"), Node("Node 2"), Node("Node 3")]
workers >> ing
# Resources
pgpool_dep = Deployment("Pgpool Deployment")
pgpool_rs = ReplicaSet("Pgpool ReplicaSet")
pgpool_replica_set_count = 1
pgpool_pods = [
Pod("Pgpool Pod")
for pod in range(0, pgpool_replica_set_count, 1)
]
pgpool_svc = Service("Pgpool Service")
# Relationships
pgpool_dep >> pgpool_rs >> pgpool_pods << pgpool_svc
# PostgreSQL
# Resources
db_sset = StatefulSet("PostgreSQL StatefulSet")
db_stateful_set_count = 3
db_svc = Service("DB Service")
sc = StorageClass("Storage Class (SSD)")
db_pods = []
for _ in range(db_stateful_set_count):
db_pod = Pod("DB Pod")
db_pvc = PersistentVolumeClaim("DB PVC")
db_pv = PersistentVolume("DB PV")
# Relationships
sc << db_pv << db_pvc << db_pod >> db_sset
db_pods.append(db_pod << db_svc)
# Relationships
app_pods << app_svc_int << app_lb_int << app_fw
from diagrams.k8s.compute import Deployment
from diagrams.k8s.compute import StatefulSet
from diagrams.k8s.infra import Node
from diagrams.k8s.compute import ReplicaSet
from diagrams.k8s.network import Service
with Diagram("kubernetes getting started", show=False):
node = Node("Node")
inet = Internet("Kubernetes")
vol = Volume("Volumes")
cm = ConfigMap("ConfigMap")
secret = ConfigMap("Secret")
pod = ConfigMap("Pod")
ingress = Ingress("Ingress")
depl = Deployment("Deployment")
ss = StatefulSet("StatefulSet")
service = Service("Service")
rs = ReplicaSet("Replication")
node << inet
pod << inet
service << inet
ingress << inet
rs << inet
inet >> cm
inet >> secret
inet >> vol
inet >> depl
inet >> ss