Where was your background if you never programmed before this? Most IT roles would have some opportunity to program something, if only a macro or script to automate some little piece of the puzzle.
You have a right to your emotions. However, the better question is what are you doing about this frustration? Are you figuring things out and moving forward? What kind of feedback are you getting about the work you are doing? If you are getting feedback that it is great then you may have unrealistic expectations of yourself. On the other hand, if you are getting little to no feedback then I could understand having some fears.