# DevOps - GCP Commands Cheatsheet ## Table of Contents ================= * [References](#references) * [Other cheatsheets](#other-cheatsheets) * [multiple gcloud config configurations](#multiple-gcloud-config-configurations) * [switch gcloud context with gcloud config](#switch-gcloud-context-with-gcloud-config) * [auth](#auth) * [info](#info) * [projects](#projects) * [zones](#zones) * [billing](#billing) * [IAM list permission and roles for a given resource](#iam-list-permission-and-roles-for-a-given-resource) * [IAM service account](#iam-service-account) * [GCS bucket level](#gcs-bucket-level) * [Custom Roles](#custom-roles) * [app engine](#app-engine) * [cloud build](#cloud-build) * [Cloud build trigger GCE rolling replace/start](#cloud-build-trigger-gce-rolling-replacestart) * [kms](#kms) * [compute engine](#compute-engine) * [gcloud command for creating an instance?](#gcloud-command-for-creating-an-instance) * [list compute images](#list-compute-images) * [list an instance](#list-an-instance) * [move instance](#move-instance) * [ssh & scp](#ssh--scp) * [SSH via IAP](#ssh-via-iap) * [ssh port forwarding for elasticsearch](#ssh-port-forwarding-for-elasticsearch) * [ssh reverse port forwarding](#ssh-reverse-port-forwarding) * [generate ssh config](#generate-ssh-config) * [debugging](#debugging) * [instance level metadata](#instance-level-metadata) * [project level metadata](#project-level-metadata) * [instances, template, target-pool and instance group](#instances-template-target-pool-and-instance-group) * [MIG with startup and shutdown scripts](#mig-with-startup-and-shutdown-scripts) * [disk snapshot](#disk-snapshot) * [regional disk](#regional-disk) * [Networking](#networking) * [network and subnets](#network-and-subnets) * [route](#route) * [firewall rules](#firewall-rules) * [layer 4 network lb](#layer-4-network-lb) * [layer 7 http lb](#layer-7-http-lb) * [forwarding-rules](#forwarding-rules) * [address](#address) * [GCP managed ssl certificate](#gcp-managed-ssl-certificate) * [StackDriver logging](#stackdriver-logging) * [Service](#service) * [list service available](#list-service-available) * [Enable Service](#enable-service) * [Client libraries you can use to connect to Google APIs](#client-libraries-you-can-use-to-connect-to-google-apis) * [chaining gcloud commands](#chaining-gcloud-commands) * [one liner to purge GCR images given a date](#one-liner-to-purge-gcr-images-given-a-date) * [GKE](#gke) * [Cloud Run](#cloud-run) * [Machine Learning](#machine-learning) * [Deployment Manager](#deployment-manager) ### References * [have fun with them](https://cloudplatform.googleblog.com/2016/06/filtering-and-formatting-fun-with.html) * [projections](https://cloud.google.com/sdk/gcloud/reference/topic/projections) * [filters](https://cloud.google.com/sdk/gcloud/reference/topic/filters) * [resource-keys](https://cloud.google.com/sdk/gcloud/reference/topic/resource-keys) * [scripting-gcloud](https://cloud.google.com/sdk/docs/scripting-gcloud) * [gcloud alpha interactive](http://cloudplatform.googleblog.com/2018/03/introducing-GCPs-new-interactive-CLI.html) * https://medium.com/@Joachim8675309/getting-started-with-gcloud-sdk-part-1-114924737 * https://medium.com/@Joachim8675309/getting-started-with-gcloud-sdk-part-2-4d049a656f1a * https://gist.github.com/bborysenko/97749fe0514b819a5a87611e6aea3db8 ### Other cheatsheets * https://github.com/dennyzhang/cheatsheet-gcp-A4 ### multiple gcloud config configurations * https://www.jhanley.com/google-cloud-understanding-gcloud-configurations/ * https://medium.com/infrastructure-adventures/working-with-multiple-environment-in-gcloud-cli-93b2d4e8cf1e ``` gcloud config configurations create pythonrocks gcloud config configurations list gcloud config configurations activate pythonrocks gcloud config set core/account pythonrocks@gmail.com gcloud auth login gcloud projects list gcloud config set project mygcp-demo ``` ### switch gcloud context with gcloud config ``` gcloud config list gcloud config set account pythonrocks@gmail.com gcloud config set project mygcp-demo gcloud config set compute/region us-west1 gcloud config set compute/zone us-west1-a alias demo='gcloud config set account pythonrocks@gmail.com && gcloud config set project mygcp-demo && gcloud config set compute/region us-west1 && gcloud config set compute/zone us-west1-a' cluster=$(gcloud config get-value container/cluster 2> /dev/null) zone=$(gcloud config get-value compute/zone 2> /dev/null) project=$(gcloud config get-value core/project 2> /dev/null) # switch project based on the name gcloud config set project $(gcloud projects list --filter='name:wordpress-dev' --format='value(project_id)') ``` ``` command -v gcloud >/dev/null 2>&1 || { \ echo >&2 "I require gcloud but it's not installed. Aborting."; exit 1; } REGION=$(gcloud config get-value compute/region) if [[ -z "${REGION}" ]]; then echo "https://cloud.google.com/compute/docs/regions-zones/changing-default-zone-region" 1>&2 echo "gcloud cli must be configured with a default region." 1>&2 echo "run 'gcloud config set compute/region REGION'." 1>&2 echo "replace 'REGION' with the region name like us-west1." 1>&2 exit 1; fi ``` ### auth ``` gcloud auth list gcloud auth login gcloud auth activate-service-account --key-file=sa_key.json ``` kubectl uses OAuth token generated by * `gcloud config config-helper --format json` * `gcloud config config-helper --format='value(credential.access_token)'` * `gcloud auth print-access-token` generates new token ### info ``` gcloud info --format flattened export PROJECT=$(gcloud info --format='value(config.project)') ``` ### projects ``` # various way to get project_id PROJECT_ID=$(gcloud config get-value core/project 2>/dev/null) PROJECT_ID=$(gcloud config list project --format='value(core.project)') PROJECT_ID=$(gcloud info --format='value(config.project)') # get project_number given project_id or name gcloud projects list --filter="project_id:${PROJECT_ID}" --format='value(project_number)' gcloud projects list --filter="name:${project_name}" --format='value(project_number)' ``` ### zones & regions To return a list of zones given a region ``` gcloud compute zones list --filter=region:us-central1 ``` ``` # list regions gcloud compute regions list ``` ### billing ``` gcloud beta billing accounts list gcloud organizations list ``` ### IAM list permission and roles for a given resource ``` gcloud iam list-testable-permissions e.g gcloud iam list-testable-permissions //cloudresourcemanager.googleapis.com/projects/$PROJECT_ID gcloud iam list-grantable-roles e.g. gcloud iam list-grantable-roles //cloudresourcemanager.googleapis.com/projects/$PROJECT_ID gcloud iam list-grantable-roles https://www.googleapis.com/compute/v1/projects/$PROJECT_ID/zones/us-central1-a/instances/iowa1 # get uri e.g. gcloud projects list --uri ``` ### IAM service account ``` export SA_EMAIL=$(gcloud iam service-accounts list \ --filter="displayName:jenkins" --format='value(email)') export PROJECT=$(gcloud info --format='value(config.project)') # creaate and list sa gcloud iam service-accounts create jenkins --display-name jenkins gcloud iam service-accounts list gcloud iam service-accounts list --filter='email ~ [0-9]*-compute@.*' --format='table(email)' # create & list sa key gcloud iam service-accounts keys create jenkins-sa.json --iam-account $SA_EMAIL gcloud iam service-accounts keys list --iam-account=vault-admin@.iam.gserviceaccount.com ## project level: get a list of roles assigned to a given sa such as terraform gcloud projects get-iam-policy ${PROJECT_ID} --flatten="bindings[].members" --filter="bindings.members:serviceAccount:terraform@${PROJECT_ID}.iam.gserviceaccount.com" # project level: grant roles to a given sa gcloud projects get-iam-policy $PROJECT gcloud projects add-iam-policy-binding $PROJECT --role roles/storage.admin \ --member serviceAccount:$SA_EMAIL gcloud projects add-iam-policy-binding $PROJECT --role roles/compute.instanceAdmin.v1 \ --member serviceAccount:$SA_EMAIL gcloud projects add-iam-policy-binding $PROJECT --role roles/compute.networkAdmin \ --member serviceAccount:$SA_EMAIL gcloud projects add-iam-policy-binding $PROJECT --role roles/compute.securityAdmin \ --member serviceAccount:$SA_EMAIL gcloud projects add-iam-policy-binding $PROJECT --role roles/iam.serviceAccountActor \ --member serviceAccount:$SA_EMAIL ``` * [When granting IAM roles, you can treat a service account either as a resource or as an identity](https://cloud.google.com/iam/docs/granting-roles-to-service-accounts) ``` # service account level: add role to service account gcloud iam service-accounts get-iam-policy gcloud iam service-accounts add-iam-policy-binding infrastructure@retviews-154908.iam.gserviceaccount.com --member='serviceAccount:infrastructure@retviews-154908.iam.gserviceaccount.com' --role='roles/iam.serviceAccountActor' ``` * https://cloud.google.com/iam/docs/creating-short-lived-service-account-credentials * https://medium.com/@tanujbolisetty/gcp-impersonate-service-accounts-36eaa247f87c * https://medium.com/wescale/how-to-generate-and-use-temporary-credentials-on-google-cloud-platform-b425ef95a00d * https://cloud.google.com/iam/credentials/reference/rest/v1/projects.serviceAccounts/generateAccessToken shows the lifetime of the OAuth token of 3600 seconds by default ``` # user:godevopsrocks@gmail.com impersonate as a svc account terraform@${PROJECT_ID}.iam.gserviceaccount.com gcloud iam service-accounts add-iam-policy-binding terraform@${PROJECT_ID}.iam.gserviceaccount.com --member=user:godevopsrocks@gmail.com --role roles/iam.serviceAccountTokenCreator gcloud container clusters list --impersonate-service-account=terraform@${PROJECT_ID}.iam.gserviceaccount.com ``` ### GCS bucket level ``` COMPUTE_ENGINE_SA_EMAIL=$(gcloud iam service-accounts list --filter="name:Compute Engine default service account" --format "value(email)") gsutil iam ch serviceAccount:${COMPUTE_ENGINE_SA_EMAIL}:objectViewer gs://bucket-name ``` ### Custom Roles ``` # list predefined roles gcloud iam roles list # list custom roles gcloud iam roles list --project $PROJECT_ID # create custom role in the following 2 ways, either on project level (--project [PROJECT_ID]) or org level (--organization [ORGANIZATION_ID]) 1. gcloud iam roles create editor --project $PROJECT_ID --file role-definition.yaml 2. gcloud iam roles create viewer --project $PROJECT_ID --title "Role Viewer" --description "Custom role description." --permissions compute.instances.get,compu te.instances.list --stage ALPHA ``` ### app engine * https://medium.com/google-cloud/app-engine-project-cleanup-9647296e796a ## cloud build ``` # user defined gcloud builds submit --config=cloudbuild.yaml --substitutions=_BRANCH_NAME=foo,_BUILD_NUMBER=1 . # override built in TAG_NAME gcloud builds submit --config=cloudbuild.yaml --substitutions=TAG_NAME=v1.0.1 ``` ### Cloud build trigger GCE rolling replace/start * https://medium.com/google-cloud/continuous-delivery-in-google-cloud-platform-cloud-build-with-compute-engine-a95bf4fd1821 * https://cloud.google.com/compute/docs/instance-groups/updating-managed-instance-groups#performing_a_rolling_replace_or_restart ``` steps: - name: 'gcr.io/cloud-builders/docker' args: [ 'build', '-t', 'gcr.io/$PROJECT_ID/gcp-cloudbuild-gce-angular', '.' ] - name: 'gcr.io/cloud-builders/gcloud' args: [ 'beta', 'compute', 'instance-groups', 'managed', 'rolling-action', 'restart', 'gce-angular-instance-group', '--zone=us-east1-b' ] images: - 'gcr.io/$PROJECT_ID/gcp-cloudbuild-gce-angular' ``` ### kms * [cloud-encrypt-with-kms](https://codelabs.developers.google.com/codelabs/cloud-encrypt-with-kms/#0) * [Integrated with cloud build](https://cloud.google.com/cloud-build/docs/securing-builds/use-encrypted-secrets-credentials) ``` # list all keyrings gcloud kms keyrings list --location global # list all keys in my_key_ring gcloud kms keys list --keyring my_key_ring --location global # grant KMS IAM permission to a sv account $USER_EMAIL gcloud kms keyrings add-iam-policy-binding $KEYRING_NAME \ --location global \ --member user:$USER_EMAIL \ --role roles/cloudkms.admin gcloud kms keyrings add-iam-policy-binding $KEYRING_NAME \ --location global \ --member user:$USER_EMAIL \ --role roles/cloudkms.cryptoKeyEncrypterDecrypter # Encrypt and Decrypt in REST API curl -v "https://cloudkms.googleapis.com/v1/projects/$DEVSHELL_PROJECT_ID/locations/global/keyRings/$KEYRING_NAME/cryptoKeys/$CRYPTOKEY_NAME:encrypt" \ -d "{\"plaintext\":\"$PLAINTEXT\"}" \ -H "Authorization:Bearer $(gcloud auth application-default print-access-token)"\ -H "Content-Type:application/json" \ | jq .ciphertext -r > 1.encrypted curl -v "https://cloudkms.googleapis.com/v1/projects/$DEVSHELL_PROJECT_ID/locations/global/keyRings/$KEYRING_NAME/cryptoKeys/$CRYPTOKEY_NAME:decrypt" \ -d "{\"ciphertext\":\"$(cat 1.encrypted)\"}" \ -H "Authorization:Bearer $(gcloud auth application-default print-access-token)"\ -H "Content-Type:application/json" \ | jq .plaintext -r | base64 -d ``` ### compute engine #### gcloud command for creating an instance? from web console ``` gcloud compute instances create [INSTANCE_NAME] \ --image-family [IMAGE_FAMILY] \ --image-project [IMAGE_PROJECT] \ --create-disk image=[DISK_IMAGE],image-project=[DISK_IMAGE_PROJECT],size=[SIZE_GB],type=[DISK_TYPE] gcloud compute instances create micro1 --zone=us-west1-a --machine-type=f1-micro --subnet=default --network-tier=PREMIUM --maintenance-policy=MIGRATE --service-account=398028291895-compute@developer.gserviceaccount.com --scopes=https://www.googleapis.com/auth/devstorage.read_only,https://www.googleapis.com/auth/logging.write,https://www.googleapis.com/auth/monitoring.write,https://www.googleapis.com/auth/servicecontrol,https://www.googleapis.com/auth/service.management.readonly,https://www.googleapis.com/auth/trace.append --min-cpu-platform=Automatic --image=debian-9-stretch-v20180510 --image-project=debian-cloud --boot-disk-size=10GB --boot-disk-type=pd-standard --boot-disk-device-name=micro1 ``` #### list compute images ``` gcloud compute images list --filter=name:debian --uri https://www.googleapis.com/compute/v1/projects/debian-cloud/global/images/debian-8-jessie-v20180109 https://www.googleapis.com/compute/v1/projects/debian-cloud/global/images/debian-9-stretch-v20180105 # Use the following command to see available non-Shielded VM Windows Server images gcloud compute images list --project windows-cloud --no-standard-images # Use the following command to see a list of available Shielded VM images, including Windows images gcloud compute images list --project gce-uefi-images --no-standard-images ``` #### list an instance * [filters](https://cloud.google.com/sdk/gcloud/reference/topic/filters) * [resource-keys](https://cloud.google.com/sdk/gcloud/reference/topic/resource-keys) ``` gcloud compute instances list --filter="zone:us-central1-a" gcloud compute instances list --project=dev --filter="name~^es" gcloud compute instances list --project=dev --filter=name:kafka --format="value(name,INTERNAL_IP)" gcloud compute instances list --filter=tags:kafka-node gcloud compute instances list --filter='machineType:g1-small' ``` #### move instance `gcloud compute instances move --destination-zone=us-central1-a --zone=us-central1-c` #### ssh & scp ``` #--verbosity=debug is great for debugging, showing the SSH command # the following is a real word example for running a bastion server that talks to a GKE cluster (master authorized network) gcloud compute ssh --verbosity=debug --command "kubectl get nodes" gcloud compute scp --recurse ../manifest : ``` #### SSH via IAP * https://cloud.google.com/iap/docs/using-tcp-forwarding ``` # find out access-config-name's name gcloud compute instances describe oregon1 # remove the external IP gcloud compute instances delete-access-config oregon1 --access-config-name "External NAT" # connect via IAP, assuming the IAP is granted to the account used for login. gcloud beta compute ssh oregon1 --tunnel-through-iap ``` #### ssh port forwarding for elasticsearch ``` gcloud compute --project "foo" ssh --zone "us-central1-c" "elasticsearch-1" --ssh-flag="-L localhost:9200:localhost:9200" ``` The 2nd `localhost` is relative to elasticsearch-1` #### ssh reverse port forwarding for example, how to connect to home server's flask server (tcp port 5000) for a demo or a local game server in development ``` GOOGLE_CLOUD_PROJECT=$(gcloud config get-value project) gcloud compute --project "${GOOGLE_CLOUD_PROJECT}" ssh --zone "us-west1-c" --ssh-flag="-v -N -R :5000:localhost:5000" "google_cloud_bastion_server" ``` #### generate ssh config ``` gcloud compute config-ssh ``` #### Windows RDP reset windows password returns the IP and password for creating the RDP connection. ``` gcloud compute reset-windows-password qa-iceberg-instance --user=jdoe ip_address: 104.199.119.166 password: Ks(;_gx7Bf2d.NP username: jode ``` #### debugging gcloud debugging: `gcloud compute instances list --log-http` [serial port debug](https://cloud.google.com/compute/docs/instances/interacting-with-serial-console) #### instance level metadata ``` curl -s "http://metadata.google.internal/computeMetadata/v1/instance/?recursive=true&alt=text" -H "Metadata-Flavor: Google" leader=$(curl -s "http://metadata.google.internal/computeMetadata/v1/instance/attributes/leader" -H "Metadata-Flavor: Google") ``` ### project level metadata ``` gcloud compute project-info describe gcloud compute project-info describe --flatten="commonInstanceMetadata[]" ``` #### instances, template, target-pool and instance group ``` cat << EOF > startup.sh #! /bin/bash apt-get update apt-get install -y nginx service nginx start sed -i -- 's/nginx/Google Cloud Platform - '"\$HOSTNAME"'/' /var/www/html/index.nginx-debian.html EOF gcloud compute instance-templates create nginx-template --metadata-from-file startup-script=startup.sh gcloud compute target-pools create nginx-pool gcloud compute instance-groups managed create nginx-group \ --base-instance-name nginx \ --size 2 \ --template nginx-template \ --target-pool nginx-pool ``` #### MIG with startup and shutdown scripts https://cloud.google.com/vpc/docs/special-configurations#multiple-natgateways ``` gsutil cp gs://nat-gw-template/startup.sh . gcloud compute instance-templates create nat-1 \ --machine-type n1-standard-2 --can-ip-forward --tags natgw \ --metadata-from-file=startup-script=startup.sh --address $nat_1_ip gcloud compute instance-templates create nat-2 \ --machine-type n1-standard-2 --can-ip-forward --tags natgw \ --metadata-from-file=startup-script=startup.sh --address $nat_2_ip ``` #### disk snapshot ``` gcloud compute disks snapshot kafka-data1-1 --async --snapshot-names=kafka-data-1 --project project_a --zone us-west1-a Use [gcloud compute operations describe URI] command to check the status of the operation(s). ``` #### regional disk ``` gcloud beta compute instance attach-disk micro1 --disk pd-west1 --disk-scope regional ``` ### Networking #### network and subnets ``` gcloud compute networks create privatenet --subnet-mode=custom gcloud compute networks subnets create privatesubnet-us --network=privatenet --region=us-central1 --range=172.16.0.0/24 gcloud compute networks subnets create privatesubnet-eu --network=privatenet --region=europe-west1 --range=172.20.0.0/20 gcloud compute networks subnets list --sort-by=NETWORK ``` #### route tag the instances with `no-ips` ``` gcloud compute instances add-tags existing-instance --tags no-ip gcloud compute routes create no-ip-internet-route \ --network custom-network1 \ --destination-range 0.0.0.0/0 \ --next-hop-instance nat-gateway \ --next-hop-instance-zone us-central1-a \ --tags no-ip --priority 800 ``` #### firewall rules * https://medium.com/@swongra/protect-your-google-cloud-instances-with-firewall-rules-69cce960fba ``` # allow SSH, RDP and ICMP for the given network gcloud compute firewall-rules create managementnet-allow-icmp-ssh-rdp --direction=INGRESS --priority=1000 --network=managementnet --action=ALLOW --rules=tcp:22,3389,icmp --source-ranges=0.0.0.0/0 # allow internal from given source range gcloud compute firewall-rules create mynetwork-allow-internal --network \ mynetwork --action ALLOW --direction INGRESS --rules all \ --source-ranges 10.128.0.0/9 gcloud compute firewall-rules list --filter="network:mynetwork" ## DENY gcloud compute firewall-rules create mynetwork-deny-icmp \ --network mynetwork --action DENY --direction EGRESS --rules icmp \ --destination-ranges 10.132.0.2 --priority 500 gcloud compute firewall-rules list \ --filter="network:mynetwork AND name=mynetwork-deny-icmp" # sort-by gcloud compute firewall-rules list --sort-by=NETWORK ``` #### layer 4 network lb ``` gcloud compute firewall-rules create www-firewall --allow tcp:80 gcloud compute forwarding-rules create nginx-lb \ --region us-central1 \ --ports=80 \ --target-pool nginx-pool gcloud compute firewall-rules list --sort-by=NETWORK ``` #### layer 7 http lb * https://cloud.google.com/solutions/scalable-and-resilient-apps ``` gcloud compute http-health-checks create http-basic-check gcloud compute instance-groups managed \ set-named-ports nginx-group \ --named-ports http:80 gcloud compute backend-services create nginx-backend \ --protocol HTTP --http-health-checks http-basic-check --global gcloud compute backend-services add-backend nginx-backend \ --instance-group nginx-group \ --instance-group-zone us-central1-a \ --global gcloud compute url-maps create web-map \ --default-service nginx-backend gcloud compute target-http-proxies create http-lb-proxy \ --url-map web-map gcloud compute forwarding-rules create http-content-rule \ --global \ --target-http-proxy http-lb-proxy \ --ports 80 gcloud compute forwarding-rules list ``` #### forwarding-rules ``` gcloud compute forwarding-rules list --filter=$(dig +short ) gcloud compute forwarding-rules describe my-forwardingrule --region us-central1 gcloud compute forwarding-rules describe my-http-forwardingrule --global ``` #### address ``` # get the external IP address of the instance gcloud compute instances describe single-node \ --format='value(networkInterfaces.accessConfigs[0].natIP) gcloud compute addresses describe https-lb --global --format json # list all IP addresses gcloud projects list --format='value(project_id)' | xargs -I {} gcloud compute addresses list --format='value(address)' --project {} 2>/dev/null | sort | uniq -c ``` ### GCP managed ssl certificate ``` gcloud beta compute ssl-certificates create example-mydomain --domains example.mydomain.com gcloud beta compute ssl-certificates list gcloud beta compute ssl-certificates describe example-mydomain # It takes 30mins+ to provision the TLS, one of conditions is the target-https-proxies needs to be associated with the cert. gcloud beta compute target-https-proxies list ``` ### StackDriver logging ``` gcloud logging read "timestamp >= \"2018-04-19T00:30:00Z\" and logName=projects/${project_id}/logs/requests and resource.type=http_load_balancer" --format="csv(httpRequest.remoteIp,httpRequest.requestUrl,timestamp)" --project=${project_id} ``` ### Service #### list service available `gcloud services list --available` #### Enable Service ``` # chain gcloud services enable cloudapis.googleapis.com && \ cloudresourcemanager.googleapis.com && \ compute.googleapis.com # or not chain gcloud services enable container.googleapis.com gcloud services enable containerregistry.googleapis.com gcloud services enable cloudbuild.googleapis.com gcloud services enable iam.googleapis.com gcloud services enable logging.googleapis.com gcloud services enable monitoring.googleapis.com gcloud services enable storage-api.googleapis.com gcloud services enable storage-component.googleapis.com gcloud services enable sourcerepo.googleapis.com ``` ``` function enable-service() { SERVICE=$1 if [[ $(gcloud services list --format="value(serviceConfig.name)" \ --filter="serviceConfig.name:$SERVICE" 2>&1) != \ "$SERVICE" ]]; then echo "Enabling $SERVICE" gcloud services enable $SERVICE else echo "$SERVICE is already enabled" fi } enable-service container.googleapis.com ``` ### Client libraries you can use to connect to Google APIs * https://medium.com/google-cloud/simple-google-api-auth-samples-for-service-accounts-installed-application-and-appengine-da30ee4648 ### chaining gcloud commands ``` gcloud compute forwarding-rules list --format 'value(NAME)' \ | xargs -I {} gcloud compute forwarding-rules delete {} --region us-west1 -q gcloud projects list --format='value(project_id)' \ | xargs -I {} gcloud compute addresses list --format='value(address)' --project {} 2>/dev/null | sort | uniq -c gcloud compute instances list --filter=elasticsearch --format='value(NAME)' \ | xargs -I {} -p gcloud compute instances stop {} gcloud compute instances list --filter=elasticsearch --format='value(INTERNAL_IP)' \ | xargs -I {} ssh {} "sudo chef-client" # delete non default routes gcloud compute routes list --filter="NOT network=default" --format='value(NAME)' \ | xargs -I {} gcloud compute routes delete -q {} ``` ### one liner to purge GCR images given a date ``` DATE=2018-10-01 IMAGE=/ gcloud container images list-tags gcr.io/$IMAGE --limit=unlimited --sort-by=TIMESTAMP \ --filter="NOT tags:* AND timestamp.datetime < '${DATE}'" --format='get(digest)' | \ while read digest;do gcloud container images delete -q --force-delete-tags gcr.io/$IMAGE@$digest ;done ``` ### GKE ``` # create a private cluster gcloud beta container clusters create private-cluster \ --private-cluster \ --master-ipv4-cidr 172.16.0.16/28 \ --enable-ip-alias \ --create-subnetwork "" gcloud compute networks subnets create my-subnet \ --network default \ --range 10.0.4.0/22 \ --enable-private-ip-google-access \ --region us-central1 \ --secondary-range my-svc-range=10.0.32.0/20,my-pod-range=10.4.0.0/14 gcloud beta container clusters create private-cluster2 \ --private-cluster \ --enable-ip-alias \ --master-ipv4-cidr 172.16.0.32/28 \ --subnetwork my-subnet \ --services-secondary-range-name my-svc-range \ --cluster-secondary-range-name my-pod-range gcloud container clusters update private-cluster2 \ --enable-master-authorized-networks \ --master-authorized-networks ``` ``` # create a GKE cluster with CloudRun,Istio, HPA enabled gcloud beta container clusters create run-gke \ --addons HorizontalPodAutoscaling,HttpLoadBalancing,Istio,CloudRun \ --scopes cloud-platform \ --zone us-central1-a \ --machine-type n1-standard-4 \ --enable-stackdriver-kubernetes \ --no-enable-ip-alias ``` ``` # create a VPC native cluster gcloud container clusters create k1 \ --network custom-ip-vpc --subnetwork subnet-alias \ --enable-ip-alias --cluster-ipv4-cidr=/16 --services-ipv4-cidr=/22 ``` ``` # get the GKE endpoint gcloud container clusters describe mycluster --format='get(endpoint)' ``` ``` # generate a ~/.kube/config for private cluster with private endpoint gcloud container clusters get-credentials private-cluster --zone us-central1-a --internal-ip ``` ### Cloud Run ``` # deploy a service on Cloud Run in us-central1 and allow unauthenticated user gcloud beta run deploy --image gcr.io/${PROJECT-ID}/helloworld --platform managed --region us-central1 --allow-unauthenticated # list services gcloud beta run services list # get endpoint url for a service gcloud beta run services describe --format="get(status.url)" ``` ### Machine Learning ``` brew install bat gcloud ml language analyze-entities --content="Michelangelo Caravaggio, Italian painter, is known for 'The Calling of Saint Matthew'." | bat -l json ``` ### Deployment Manager * https://cloud.google.com/sdk/gcloud/reference/deployment-manager/deployments/ Play with the commands for preview and cancel-preview.

DevOps & Infrastructure

DevOps - GCP Commands Cheatsheet