stages/dnf: allow both operation and verbosity to be configurable

This is for the sake of debuggability, but I figure dnf is the most
complex of our tools, so instrumenting that a bit makes sense.

The defaults are "install" and "info", as before.

Signed-off-by: Tom Gundersen <teg@jklm.no>

stages/io.weldr.dnf

@@ -11,7 +11,8 @@ def main(tree, options):
     repos = options["repos"]
     packages = options["packages"]
     releasever = options["releasever"]
-    operation = options["operation"]
+    operation = options.get("operation", "install")
+    verbosity = options.get("verbosity", "info")
 
     with open("/tmp/dnf.conf", "w") as conf:
         p = configparser.ConfigParser()
@@ -37,6 +38,7 @@ def main(tree, options):
         "--setopt", "reposdir=",
         "--setopt", "install_weak_deps=False",
         "--releasever", releasever,
+        "--rpmverbosity", verbosity,
         "--config", "/tmp/dnf.conf",
         operation
     ] + packages