bharatmicrosystems

$ kubectl get rs
NAME               DESIRED   CURRENT   READY   AGE
nginx-86c57db685   1         0         0       5s
$ kubectl describe rs nginx-86c57db685|tail
Conditions:
  Type             Status  Reason
  ----             ------  ------
  ReplicaFailure   True    FailedCreate
Events:
  Type     Reason        Age                From                   Message

bharatmicrosystems

$ kubectl --namespace monitoring get pods -l "release=prometheus"
NAME                                                   READY   STATUS    RESTARTS   AGE
prometheus-prometheus-node-exporter-54svk              1/1     Running   0          80s
prometheus-prometheus-node-exporter-9kpjl              1/1     Running   0          80s
prometheus-prometheus-node-exporter-w4clh              1/1     Running   0          80s
prometheus-prometheus-oper-operator-5c8564d96d-dnzds   2/2     Running   0          80s

bharatmicrosystems

$ helm install prometheus stable/prometheus-operator --namespace monitoring
NAME: prometheus
LAST DEPLOYED: Thu Jul  2 23:08:57 2020
NAMESPACE: monitoring
STATUS: deployed
REVISION: 1
NOTES:
The Prometheus Operator has been installed. Check its status by running:
  kubectl --namespace monitoring get pods -l "release=prometheus"
Visit https://github.com/coreos/prometheus-operator for instructions on how

bharatmicrosystems

$ wget https://get.helm.sh/helm-v3.2.4-linux-amd64.tar.gz
$ tar -xvf helm-v3.2.4-linux-amd64.tar.gz
$ sudo mv linux-amd64/helm /usr/bin/
$ sudo chmod +x /usr/bin/helm
$ helm version
version.BuildInfo{Version:"v3.2.1", GitCommit:"fe51cd1e31e6a202cba7dead9552a6d418ded79a", GitTreeState:"clean", GoVersion:"go1.13.10"}

bharatmicrosystems

Questions are not from any actual exam!!!  



Q:  Create a job that calculates pi to 2000 decimal points using the container with the image named perl
and the following commands issued to the container:  ["perl",  "-Mbignum=bpi", "-wle", "print bpi(2000)"]
Once the job has completed, check the logs to and export the result to pi-result.txt.

Solution:

bharatmicrosystems

$ gcloud functions deploy stopInstancePubSub \
    --trigger-topic stop-instance-event \
    --runtime nodejs10 \
    --region europe-west2 \
    --ingress-settings internal-only \
    --service-account compute-instance-admin-sa@<project-id>.iam.gserviceaccount.com
Allow unauthenticated invocations of new function
[stopInstancePubSub]? (y/N)?  N
WARNING: Function created with limited-access IAM policy. To enable unauthorized access consider "gcloud alpha functions add-iam-policy-binding stopInstancePubSub --member=allUsers --role=roles/cloudfunctions.invoker"
Deploying function (may take a while - up to 2 minutes)...⠹

bharatmicrosystems

$ gcloud functions deploy startInstancePubSub \
    --trigger-topic start-instance-event \
    --runtime nodejs10 \ 
    --region europe-west2 \
    --ingress-settings internal-only \
    --service-account compute-instance-admin-sa@<project-id>.iam.gserviceaccount.com
Allow unauthenticated invocations of new function
[startInstancePubSub]? (y/N)?  N
WARNING: Function created with limited-access IAM policy. To enable unauthorized access consider "gcloud alpha functions add-iam-policy-binding startInstancePubSub --member=allUsers --role=roles/cloudfunctions.invoker"
Deploying function (may take a while - up to 2 minutes)...⠹

bharatmicrosystems

$ gcloud compute instances create instance-1 \
  --image-family ubuntu-1804-lts \
  --image-project ubuntu-os-cloud \
  --zone europe-west2-c  \
  --labels env=dev
Created [https://www.googleapis.com/compute/v1/projects/<project_id>/zones/europe-west2-c/instances/instance-1].
NAME        ZONE            MACHINE_TYPE   PREEMPTIBLE  INTERNAL_IP  EXTERNAL_IP   STATUS
instance-1  europe-west2-c  n1-standard-1               10.154.0.2   34.89.100.12  RUNNING

bharatmicrosystems

$ tree
.
|-- environments
|   |-- dev
|   |   |-- main.tf
|   |   |-- outputs.tf
|   |   |-- terraform.tfvars
|   |   |-- variables.tf
|   |   `-- versions.tf
|   |-- prod

bharatmicrosystems

output "bucketname" {
  value = aws_s3_bucket.tf_code.id
}