updated documentation, disallow clean and import scripts in production

docs/operations/import_export.md

@@ -11,6 +11,11 @@ Simple scripts are provided as detailed below.
 To export from the source environment, run the following command from src directory:
 manage.py export_tables
 
+On a sandbox, connect to the sandbox (getgov-stable in ex below) and run the command:
+cf ssh getgov-stable
+/tmp/lifecycle/shell
+./manage.py export_tables
+
 This exports a file, exported_tables.zip, to the tmp directory
 
 For reference, the zip file will contain the following tables in csv form:
@@ -27,12 +32,12 @@ For reference, the zip file will contain the following tables in csv form:
 * HostIP
 
 After exporting the file from the target environment, scp the exported_tables.zip
-file from the target environment to local.
+file from the target environment to local.  Run the below commands from local.
 
 Get passcode by running:
 cf ssh-code
 
-scp file from app (app is getgov-stable in example below) to local cwd:
+scp file from app (app is getgov-stable in example below) to local tmp:
 scp -P 2222 -o User=cf:$(cf curl /v3/apps/$(cf app getgov-stable --guid)/processes | jq -r '.resources[] | select(.type=="web") | .guid')/0 ssh.fr.cloud.gov:app/tmp/exported_tables.zip .
 when prompted, supply the passcode retrieved in the 'cf ssh-code' command
 

src/registrar/management/commands/clean_tables.py

@@ -1,4 +1,5 @@
 import logging
+from django.conf import settings
 from django.core.management import BaseCommand
 from django.apps import apps
 from django.db import transaction
@@ -10,9 +11,14 @@ class Command(BaseCommand):
 
     def handle(self, **options):
         """Delete all rows from a list of tables"""
+
+        if settings.IS_PRODUCTION:
+            logger.error("clean_tables cannot be run in production")
+            return
+        
         table_names = [
-            "DomainInformation", "DomainRequest", "Domain", "User", "Contact", 
+            "DomainInformation", "DomainRequest", "PublicContact", "Domain", "User",
-            "Website", "DraftDomain", "HostIp", "Host", "PublicContact"
+            "Contact", "Website", "DraftDomain", "HostIp", "Host"
         ]
         
         for table_name in table_names:

src/registrar/management/commands/import_tables.py

@@ -3,6 +3,7 @@ import os
 import pyzipper
 import tablib
 from django.apps import apps
+from django.conf import settings
 from django.db import transaction
 from django.core.management import BaseCommand
 import registrar.admin
@@ -14,6 +15,11 @@ class Command(BaseCommand):
 
     def handle(self, **options):
         """Extracts CSV files from a zip archive and imports them into the respective tables"""
+
+        if settings.IS_PRODUCTION:
+            logger.error("import_tables cannot be run in production")
+            return
+
         table_names = [
             "User", "Contact", "Domain", "Host", "HostIp", "DraftDomain", "Website",
             "DomainRequest", "DomainInformation", "UserDomainRole", "PublicContact"