How to create service account from cloud shell | GCP
Service Accounts in Google Cloud are special types of accounts, that belong to applications or VMs instead of
an end user. Following tutorial will show how to create service-accounts
with cloud-shell in GCP.
Login to Google Cloud Console
Click Activate Cloud Shell 
to open Cloud Shell.
Set project in GCP cloud shell, replace [Project-ID] with your project ID.
gcloud config set project [Project-ID]
Check updated project ID with $DEVSHELL_PROJECT_ID
echo $DEVSHELL_PROJECT_ID
Create service account
gcloud iam service-accounts create gcptutorials-sa --display-name "gcptutorials service account"
List all the service accounts
gcloud iam service-accounts list
Grant storage.objectViewer role to newly created service account
gcloud projects add-iam-policy-binding $DEVSHELL_PROJECT_ID \
--member serviceAccount:gcptutorials-sa@$DEVSHELL_PROJECT_ID.iam.gserviceaccount.com --role roles/storage.objectViewer
Category: GCP
