chore(CLI): start working on CLI (#4067)

cli/cli.md

@@ -0,0 +1,6 @@
+# CLI
+To show the banner, use:
+`python cli/cli.py banner`
+## Listing
+List services by provider.
+`python cli/cli.py <provider> list-services`

cli/cli.py

@@ -0,0 +1,63 @@
+import typer
+
+from prowler.lib.banner import print_banner
+from prowler.lib.check.check import (
+    list_fixers,
+    list_services,
+    print_fixers,
+    print_services,
+)
+
+app = typer.Typer()
+aws = typer.Typer(name="aws")
+azure = typer.Typer(name="azure")
+gcp = typer.Typer(name="gcp")
+kubernetes = typer.Typer(name="kubernetes")
+
+app.add_typer(aws, name="aws")
+app.add_typer(azure, name="azure")
+app.add_typer(gcp, name="gcp")
+app.add_typer(kubernetes, name="kubernetes")
+
+
+def list_resources(provider: str, resource_type: str):
+    if resource_type == "services":
+        print_services(list_services(provider))
+    elif resource_type == "fixers":
+        print_fixers(list_fixers(provider))
+
+
+def create_list_commands(provider_typer: typer.Typer):
+    provider_name = provider_typer.info.name
+
+    @provider_typer.command(
+        "list-services",
+        help=f"List the {provider_name} services that are supported by Prowler.",
+    )
+    def list_services_command():
+        list_resources(provider_name, "services")
+
+    @provider_typer.command(
+        "list-fixers",
+        help=f"List the {provider_name} fixers that are supported by Prowler.",
+    )
+    def list_fixers_command():
+        list_resources(provider_name, "fixers")
+
+
+create_list_commands(aws)
+create_list_commands(azure)
+create_list_commands(gcp)
+create_list_commands(kubernetes)
+
+
+@app.command("banner", help="Prints the banner of the tool.")
+def banner(show: bool = True):
+    if show:
+        print_banner(show)
+    else:
+        print("Banner is not shown.")
+
+
+if __name__ == "__main__":
+    app()

pyproject.toml

@@ -70,6 +70,12 @@ slack-sdk = "3.27.2"
 tabulate = "0.9.0"
 tzlocal = "5.2"
 
+[tool.poetry.group.cli]
+optional = true
+
+[tool.poetry.group.cli.dependencies]
+typer = "0.12.3"
+
 [tool.poetry.group.dev.dependencies]
 bandit = "1.7.8"
 black = "24.4.2"