fetch-and-launch-reproducer,validate-inputs: add wrappers retriggering

Add wrapper for retriggering builds and tests. Add script to validate
inputs.

fetch-and-launch-reproducer.sh

@@ -0,0 +1,11 @@
+# Environment variables needed:
+# - TUXSUITE_TOKEN - the token to submit tuxsuite reproducer
+
+TESTRUN=$1
+REPRODUCER=$2
+pip install -r requirements.txt
+inputs="--testrun $TESTRUN --filename $REPRODUCER"
+echo $inputs
+python validate-inputs.py $inputs
+python squad-create-reproducer-from-testrun $inputs --plan
+tuxsuite plan $REPRODUCER

validate-inputs.py

@@ -0,0 +1,43 @@
+from argparse import ArgumentParser
+import logging
+from pathlib import Path
+
+
+logging.basicConfig(level=logging.INFO)
+logger = logging.getLogger(__name__)
+
+
+def parse_args(raw_args):
+    parser = ArgumentParser()
+
+    parser.add_argument(
+        "--testrun",
+        required=True,
+        help="The ID of the TestRun.",
+    )
+
+    parser.add_argument(
+        "--filename",
+        required=True,
+        help="The reproducer file.",
+    )
+
+    parser.add_argument(
+        "--plan",
+        required=False,
+        action="store_true",
+        default=False,
+        help="Fetch a TuxPlan reproducer rather than a TuxTest of TuxBuild reproducer.",
+    )
+
+    return parser.parse_args(raw_args)
+
+
+def run(raw_args=None):
+    args = parse_args(raw_args)
+
+    return 0
+
+
+if __name__ == "__main__":
+    exit(run())