// inspired/copied from https://github.com/liejuntao001/jenkins-k8sagent-lib

import org.wamblee.jenkins.pipelinelib.MyYaml

// containers: comma-separated list of containers to include. The order of the containers i 
//    important. Each container in the list corresponds to a yaml file in the podtemplates resource
//    resource directory. 
// repo: docker repo, default is the repo configured in the CONTAINER_REGISTRY environment variable
// version: version to use, defaults to BRANCH_NAME 
// label: label to use for the agent. Defaults to the stage name if the agent is configured within a stage,
//      otherwise the job name is used. 
//
// All of the arguments specified in the call to agentsetup are passed without change to the 
// pod template files and can be accessed in the yaml file as ${name} where name is the 
// argument name. 
def call(Map args) { 
  def defaults = [ 
    version: env.BRANCH_NAME,
    repo: env.CONTAINER_REGISTRY,
    label: env.STAGE_NAME ? env.STAGE_NAME: env.JOB_NAME,
  ]
  if (!args) { 
    args = [:]
  }
  args.label = env.JOB_NAME
  if (env.STAGE_NAME) { 
    args.label = args.label + "-" + env.STAGE_NAME
  } 
  args = defaults << args
    
  // combine the configured application templates 
  args.label = args.label.toLowerCase().replaceAll("[^a-zA-Z0-9]", "-").replaceAll("-+", "-")
 
    
  command = ""

  command += '''
    files="$( find . -name '*.template' )"
    for file in $files
    do
      base="$( dirname "$file")/$( basename "$file" .template )"
      cat "$file" '''

  for (key in args.keySet()) { 
    command += """ | sed 's|\\\$${key}|${args[key]}|g'  """
  }
  
  command += ''' > "$file.tmp"
      mv "$file.tmp" "$base"
    done
  '''
  
  println "processresources: ${args}"
  println "processresources: $command" 
  
  sh "$command"
  
}