GCP Classroom notes 25/Aug/2024

Gcloud CLI

How to filter results

• gcloud cli has --filter flag that allows you to specify conditions to narrow down the output
• The –filter allows us to narrow down output by

--filter='field=value'

• Lets apply basic filter to get all subnets of us-central1 region
  
• Lets apply filter to get all subnets of us-central1 and us-east1 regions
  
• We can apply comparision operators >=, '<=, !=, =
• We have combination operators AND OR
  
• We can use regular expressions with ~
  
• We can use –format to Customize output
  

Creating shell scripts with gcloud cli

• Refer Here for bash cheat sheets
• Refer Here for scripting gcloud cli commands
• Refer Here for an article to automate gcp tasks with shell
• Lets create a vpc if there is no existing vpc with same name Refer Here for the changes done
• getting specific fields
  

CREATE a shell script which does the following

• creates vpc with Refer Here for solution
  • firewall rules to allow icmp by default
  • Usage createvpc.sh <name>
• Create a subnets in vpc according to region, range and name passed Refer Here for solutions
  • Usage createsubnet.sh <vpc-name> <subnet-name> <range> <region>
• Create a ingress firewall rules
  • Usage createingressfirewall.sh <vpc-name> <tag-name> <ports> <source>