doAzureParallel/R/logging.R

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R
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#' Get node files from compute nodes. By default, this operation will print the files on screen.
#'
#' @param cluster The cluster object
#' @param nodeId Id of the node
#' @param filePath The path to the file that you want to get the contents of
#' @param verbose Flag for printing log files onto console
#'
#' @param ... Further named parameters
#' \itemize{
#' \item{"downloadPath"}: { Path to save file to }
#' \item{"overwrite"}: { Will only overwrite existing localPath }
#'}
#'
#' @examples
#' \dontrun{
#' stdoutText <- getClusterFile(cluster, "tvm-1170471534_1-20170829t072146z",
#' filePath = "stdout.txt", verbose = FALSE)
#' getClusterFile(cluster, "tvm-1170471534_2-20170829t072146z",
#' filePath = "wd/output.csv", downloadPath = "output.csv", overwrite = TRUE)
#' }
#' @export
getClusterFile <-
function(cluster,
nodeId,
filePath,
verbose = TRUE,
overwrite = FALSE,
downloadPath = NULL) {
prefixfilePath <- "startup/%s"
if (startsWith(filePath, "/")) {
filePath <- substring(filePath, 2)
}
filePath <- sprintf(prefixfilePath, filePath)
nodeFileContent <- rAzureBatch::getNodeFile(
cluster$poolId,
nodeId,
filePath,
progress = TRUE,
downloadPath = downloadPath,
overwrite = overwrite
)
nodeFileContent
}
#' Get job-related files from cluster node. By default, this operation will print the files on screen.
#'
#' @param jobId Id of the foreach job
#' @param taskId Id of the task
#' @param filePath the path to the task file that you want to get the contents of
#' @param verbose Flag for printing the log files onto console
#' @param ... Further named parameters
#' \itemize{
#' \item{"downloadPath"}: { Path to save file to }
#' \item{"overwrite"}: { Will only overwrite existing localPath }
#'}
#'
#' @examples
#' \dontrun{
#' stdoutFile <- getJobFile("job20170822055031", "job20170822055031-task1", "stderr.txt")
#' getJobFile("job20170822055031", "job20170822055031-task1", "stdout.txt", downloadPath = "hello.txt")
#' }
#' @export
getJobFile <-
function(jobId,
taskId,
filePath,
downloadPath = NULL,
verbose = TRUE,
overwrite = FALSE) {
if (startsWith(filePath, "/")) {
filePath <- substring(filePath, 2)
}
jobFileContent <-
rAzureBatch::getTaskFile(
jobId,
taskId,
filePath,
downloadPath = downloadPath,
overwrite = overwrite,
progress = TRUE
)
jobFileContent
}