sigs.k8s.io/cluster-api-provider-aws@v1.5.5/pkg/cloud/services/userdata/bastion.go (about)

     1  /*
     2  Copyright 2018 The Kubernetes Authors.
     3  
     4  Licensed under the Apache License, Version 2.0 (the "License");
     5  you may not use this file except in compliance with the License.
     6  You may obtain a copy of the License at
     7  
     8  	http://www.apache.org/licenses/LICENSE-2.0
     9  
    10  Unless required by applicable law or agreed to in writing, software
    11  distributed under the License is distributed on an "AS IS" BASIS,
    12  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13  See the License for the specific language governing permissions and
    14  limitations under the License.
    15  */
    16  
    17  package userdata
    18  
    19  const (
    20  	bastionBashScript = `{{.Header}}
    21  
    22  BASTION_BOOTSTRAP_FILE=bastion_bootstrap.sh
    23  BASTION_BOOTSTRAP=https://s3.amazonaws.com/aws-quickstart/quickstart-linux-bastion/scripts/bastion_bootstrap.sh
    24  
    25  curl -s -o $BASTION_BOOTSTRAP_FILE $BASTION_BOOTSTRAP
    26  chmod +x $BASTION_BOOTSTRAP_FILE
    27  
    28  # This gets us far enough in the bastion script to be useful.
    29  apt-get -y update && apt-get -y install python-pip
    30  pip install --upgrade pip &> /dev/null
    31  
    32  ./$BASTION_BOOTSTRAP_FILE --enable true
    33  `
    34  )
    35  
    36  // BastionInput defines the context to generate a bastion instance user data.
    37  type BastionInput struct {
    38  	baseUserData
    39  }
    40  
    41  // NewBastion returns the user data string to be used on a bastion instance.
    42  func NewBastion(input *BastionInput) (string, error) {
    43  	input.Header = defaultHeader
    44  	return generate("bastion", bastionBashScript, input)
    45  }