Create a GKE cluster using the Kubernetes Engine API connector, and create a Kubernetes deployment and service using the Kubernetes API connector.
Code sample
YAML
# This workflow demonstrates how to:
# 1- Use the Kubernetes Engine API connector to create a GKE cluster.
# 2- Use the Kubernetes API connector to create a Kubernetes deployment and
# a service.
main
:
steps
:
-
init
:
assign
:
-
project_id
:
${sys.get_env("GOOGLE_CLOUD_PROJECT_ID")}
-
cluster_location
:
"us-central1"
-
cluster_id
:
"workflows-cluster"
-
cluster_full_name
:
${"projects/" + project_id + "/locations/" + cluster_location + "/clusters/" + cluster_id}
-
create_k8s_cluster
:
call
:
googleapis.container.v1.projects.locations.clusters.create
args
:
body
:
cluster
:
name
:
${cluster_id}
initial_node_count
:
1
autopilot
:
enabled
:
true
parent
:
${"projects/" + project_id + "/locations/" + cluster_location}
-
assert_running
:
call
:
assert_cluster_status
args
:
expected_status
:
"RUNNING"
cluster_id
:
${cluster_id}
cluster_full_name
:
${cluster_full_name}
-
create_deployment
:
call
:
gke.request
args
:
project
:
${sys.get_env("GOOGLE_CLOUD_PROJECT_ID")}
cluster_id
:
${cluster_id}
location
:
${cluster_location}
method
:
"POST"
path
:
"/apis/apps/v1/namespaces/default/deployments"
body
:
kind
:
Deployment
metadata
:
name
:
nginx-deployment
labels
:
app
:
nginx
spec
:
replicas
:
3
selector
:
matchLabels
:
app
:
nginx
template
:
metadata
:
labels
:
app
:
nginx
spec
:
containers
:
-
name
:
nginx
image
:
nginx:1.14.2
ports
:
-
containerPort
:
80
result
:
create_deployment_result
-
create_service
:
call
:
gke.request
args
:
project
:
${sys.get_env("GOOGLE_CLOUD_PROJECT_ID")}
cluster_id
:
${cluster_id}
location
:
${cluster_location}
method
:
"POST"
path
:
"/api/v1/namespaces/default/services"
body
:
kind
:
Service
apiVersion
:
v1
metadata
:
name
:
nginx-service
spec
:
ports
:
-
name
:
http
port
:
80
targetPort
:
80
selector
:
app
:
nginx
type
:
LoadBalancer
result
:
create_service_result
-
return_multiple_values
:
return
:
create_deployment_result
:
${create_deployment_result}
create_service_result
:
${create_service_result}
assert_cluster_status
:
params
:
[
expected_status
,
cluster_id
,
cluster_full_name
]
steps
:
-
get_cluster
:
call
:
googleapis.container.v1.projects.locations.clusters.get
args
:
clusterId
:
${cluster_id}
name
:
${cluster_full_name}
result
:
cluster
-
compare
:
switch
:
-
condition
:
${cluster.status == expected_status}
next
:
end
-
fail
:
raise
:
${"Expected VM status is " + expected_status + ". Got " + cluster.status + " instead."}
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