Test remote execution

Test remote execution

test_remote(host, stderr = TRUE, ...)

Arguments

host

host structure to execute command on

stderr

should stderr be returned as well.

...

additional arguments.

Value

TRUE is remote execution is successful. If unsuccessful, depends on the value of stderr. If stderr = TRUE (default), this function will throw an error. If stderr = FALSE, this function will print a logger error and return FALSE.

Examples

# Localhost execution should always work
good_host <- list(name = "localhost")
test_remote(good_host)
#> [1] TRUE

bad_host <- list(name = "bigbadwolf")
if (!test_remote(bad_host, stderr = FALSE)) {
  print("Big Bad Wolf is a bad host.")
}
#> Warning: running command ''ssh' -T bigbadwolf echo Testing remote bigbadwolf 2>/dev/null' had status 255 and error message 'Function not implemented'
#> [1] "Big Bad Wolf is a bad host."