github.com/jmrodri/operator-sdk@v0.5.0/pkg/scaffold/entrypoint.go (about)

     1  // Copyright 2019 The Operator-SDK Authors
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package scaffold
    16  
    17  import (
    18  	"path/filepath"
    19  
    20  	"github.com/operator-framework/operator-sdk/pkg/scaffold/input"
    21  )
    22  
    23  const EntrypointFile = "entrypoint"
    24  
    25  // Entrypoint - entrypoint script
    26  type Entrypoint struct {
    27  	input.Input
    28  }
    29  
    30  func (e *Entrypoint) GetInput() (input.Input, error) {
    31  	if e.Path == "" {
    32  		e.Path = filepath.Join(BuildScriptDir, EntrypointFile)
    33  	}
    34  	e.TemplateBody = entrypointTmpl
    35  	e.IsExec = true
    36  	return e.Input, nil
    37  }
    38  
    39  const entrypointTmpl = `#!/bin/sh -e
    40  
    41  # This is documented here:
    42  # https://docs.openshift.com/container-platform/3.11/creating_images/guidelines.html#openshift-specific-guidelines
    43  
    44  if ! whoami &>/dev/null; then
    45    if [ -w /etc/passwd ]; then
    46      echo "${USER_NAME:-{{.ProjectName}}}:x:$(id -u):$(id -g):${USER_NAME:-{{.ProjectName}}} user:${HOME}:/sbin/nologin" >> /etc/passwd
    47    fi
    48  fi
    49  
    50  exec ${OPERATOR} $@
    51  `