K
Q

dial tcp 127.0.0.1:8080: connect: connection refused AWS CodeBuild EKS

8/2/2020

I'm encountering following error message when I'm trying to deploy to EKS Cluster even I've already added CodeBuild IAM role to aws-auth.yaml like

- rolearn: arn:aws:iam::<AWS_ACCOUNT_ID>:role/codebuild-eks
  username: codebuild-eks
  groups:
    - system:masters

error: unable to recognize "deployment.yml": Get http://localhost:8080/api?timeout=32s: dial tcp 127.0.0.1:8080: connect: connection refused

And here is my codebuild command:

version: 0.2
phases:
  install:
    commands:
      - curl -o kubectl https://amazon-eks.s3-us-west-2.amazonaws.com/1.11.10/2019-06-21/bin/linux/amd64/kubectl
      - chmod +x ./kubectl
      - mkdir -p $HOME/bin && cp ./kubectl $HOME/bin/kubectl && export PATH=$HOME/bin:$PATH
      - kubectl version --short --client
      - curl -o aws-iam-authenticator https://amazon-eks.s3-us-west-2.amazonaws.com/1.13.7/2019-06-11/bin/linux/amd64/aws-iam-authenticator
      - chmod +x ./aws-iam-authenticator
      - mkdir -p $HOME/bin && cp ./aws-iam-authenticator $HOME/bin/aws-iam-authenticator && export PATH=$HOME/bin:$PATH
      - aws-iam-authenticator help
  pre_build:
    commands:
      - echo Entered the pre_build phase...
      - echo Logging in to Amazon EKS...
      - mkdir -p ~/.kube
      - aws s3 cp s3://ppshein-eks/config ~/.kube/config
      - export KUBECONFIG=$KUBECONFIG:~/.kube/config
      - aws eks --region $AWS_DEFAULT_REGION update-kubeconfig --name $AWS_CLUSTER_NAME
  build:
    commands:
      - echo Entered the build phase...
      - echo Change directory to secondary source
      - cd $CODEBUILD_SRC_DIR
      - echo List directory
      - ls -la
      - kubectl get pods --kubeconfig ~/.kube/config
      - kubectl apply -f deployment.yml

Problem is when CodeBuild run this kubectl apply -f deployment.yml statement, I've got error message but above one kubectl get pods --kubeconfig ~/.kube/config is working fine.

Please let me know which area I've missed to add or configure. Thanks.

-- PPShein
amazon-eks
aws-codebuild
kubectl
kubernetes

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1 Answer

8/4/2020

These errors indicates that kubectl was unable to reach the kubernetes server endpoint at 127.0.0.1:8080, or the local host. Since you have configured kubeconfig with the command update-kubeconfig, it seems multiple configs are being merged 1 due to this command:

- export KUBECONFIG=$KUBECONFIG:~/.kube/config

To see the resultant config that kubectl sees, run this command before the failing command:

- kubectl config view                      # Add this
- kubectl apply -f deployment.yml

To fix, I recommend to change as follows in pre_build phase:

- export KUBECONFIG=~/.kube/config

Or, use '--context' flag with kubectl to select the correct context.

- export KUBECONFIG=file1:file2
- kubectl get pods --context=cluster-1
- kubectl get pods --context=cluster-2
-- shariqmaws
Source: StackOverflow