things look better

src/participant_network/prelaunch_data_generator/cl_genesis/cl_genesis_data_generator.star

 load("github.com/kurtosis-tech/eth2-merge-startosis-module/src/shared_utils/shared_utils.star", "new_template_and_data", "path_join", "path_base")
 load("github.com/kurtosis-tech/eth2-merge-startosis-module/src/participant_network/prelaunch_data_generator/cl_genesis/cl_genesis_data.star", "new_cl_genesis_data")
+load("github.com/kurtosis-tech/eth2-merge-startosis-module/src/participant_network/prelaunch_data_generator/prelaunch_data_generator_launcher", "launch_prelaunch_data_generator")
 
 
 # Needed to copy the JWT secret and the EL genesis.json file

src/participant_network/prelaunch_data_generator/cl_validator_keystores/cl_validator_keystore_generator.star

+load("github.com/kurtosis-tech/eth2-merge-startosis-module/src/participant_network/prelaunch_data_generator/prelaunch_data_generator_launcher", "launch_prelaunch_data_generator")
+load("github.com/kurtosis-tech/eth2-merge-startosis-module/src/shared_utils/shared_utils.star", "path_join", "path_base")
+load("github.com/kurtosis-tech/eth2-merge-startosis-module/src/participant_network/prelaunch_data_generator/cl_validator_keystores/keystore_files.star", "new_keystore_files")
+load("github.com/kurtosis-tech/eth2-merge-startosis-module/src/participant_network/prelaunch_data_generator/cl_validator_keystores/generate_keystores_result.star", "new_generate_keystores_result")
+
+
+NODE_KEYSTORES_OUTPUT_DIRPATH_FORMAT_STR = "/node-{0}-keystores"
+
+# Prysm keystores are encrypted with a password
+PRYSM_PASSWORD                    = "password"
+PRYSM_PASSWORD_FILEPATH_ON_GENERATOR = "/tmp/prysm-password.txt"
+
+KEYSTORES_GENERATION_TOOL_NAME = "eth2-val-tools"
+
+SUCCESSFUL_EXEC_CMD_EXIT_CODE = 0
+
+RAW_KEYS_DIRNAME    = "keys"
+RAW_SECRETS_DIRNAME = "secrets"
+
+NIMBUS_KEYS_DIRNAME = "nimbus-keys"
+PRYSM_DIRNAME      = "prysm"
+
+TEKU_KEYS_DIRNAME    = "teku-keys"
+TEKU_SECRETS_DIRNAME = "teku-secrets"
+
+
+# Generates keystores for the given number of nodes from the given mnemonic, where each keystore contains approximately
+#
+#	num_keys / num_nodes keys
+def generate_cl_validator_keystores(
+	mnemonic,
+	num_nodes,
+	num_validators_per_node,
+):
+	service_id = launch_prelaunch_data_generator(
+		{},
+	)
+
+	# TODO remove the service added above
+
+
+	all_output_dirpaths = []
+	all_sub_command_strs = []
+
+	# TODO Parallelize this to increase perf, which will require Docker exec operations not holding the Kurtosis mutex!
+	start_index = 0
+	stop_index = num_validators_per_node
+
+	for i in range(0, num_nodes):
+		output_dirpath = NODE_KEYSTORES_OUTPUT_DIRPATH_FORMAT_STR.format(
+			i,
+		)
+
+		generate_keystores_cmd = "{0} keystores --insecure --prysm-pass {1} --out-loc {2} --source-mnemonic \"{3}\" --source-min {4} --source-max {5}".format(
+			KEYSTORES_GENERATION_TOOL_NAME,
+			PRYSM_PASSWORD,
+			output_dirpath,
+			mnemonic,
+			start_index,
+			stop_index,
+		)
+
+		all_sub_command_strs.append(generate_keystores_cmd)
+		all_output_dirpaths.append(output_dirpath)
+
+		start_index = stop_index
+		stop_index = stop_index + num_validators_per_node
+
+
+	command_str = " && ".Join(all_sub_command_strs)
+
+	exec(service_id, ["sh", "-c", command_str], SUCCESSFUL_EXEC_CMD_EXIT_CODE)
+
+	# Store outputs into files artifacts
+	keystore_files = []
+	for idx, output_dirpath in enumerate(all_output_dirpaths):
+		artifact_uuid = store_files_from_service(service_id, output_dirpath)
+
+		# This is necessary because the way Kurtosis currently implements artifact-storing is
+		base_dirname_in_artifact = path_base(output_dirpath)
+		to_add = new_keystore_files(
+			artifact_uuid,
+			path_join(base_dirname_in_artifact, RAW_KEYS_DIRNAME),
+			path_join(base_dirname_in_artifact, RAW_SECRETS_DIRNAME),
+			path_join(base_dirname_in_artifact, NIMBUS_KEYS_DIRNAME),
+			path_join(base_dirname_in_artifact, PRYSM_DIRNAME),
+			path_join(base_dirname_in_artifact, TEKU_KEYS_DIRNAME),
+			path_join(base_dirname_in_artifact, TEKU_SECRETS_DIRNAME),
+		)
+
+		keystore_files.append(to_add)
+
+
+	write_prysm_password_file_cmd = [
+		"sh",
+		"-c",
+		"echo '{0}' > {1}".format(
+			prysmPassword,
+			PRYSM_PASSWORD_FILEPATH_ON_GENERATOR,
+		),
+	]
+	exec(service_id, write_prysm_password_file_cmd, SUCCESSFUL_EXEC_CMD_EXIT_CODE)
+
+	prysm_password_artifact_uuid = store_files_from_service(service_id, PRYSM_PASSWORD_FILEPATH_ON_GENERATOR)
+
+	result = new_generate_keystores_result(
+		prysm_password_artifact_uuid,
+		path_base(PRYSM_PASSWORD_FILEPATH_ON_GENERATOR),
+		keystore_files,
+	)
+
+	return result
\ No newline at end of file

src/participant_network/prelaunch_data_generator/el_genesis/el_genesis_data_generator.star

 load("github.com/kurtosis-tech/eth2-merge-startosis-module/src/shared_utils/shared_utils.star", "new_template_and_data", "path_join", "path_base")
 load("github.com/kurtosis-tech/eth2-merge-startosis-module/src/participant_network/prelaunch_data_generator/el_genesis/el_genesis_data.star", "new_el_genesis_data")
+load("github.com/kurtosis-tech/eth2-merge-startosis-module/src/participant_network/prelaunch_data_generator/prelaunch_data_generator_launcher", "launch_prelaunch_data_generator")
 
 CONFIG_DIRPATH_ON_GENERATOR = "/config"
 GENESIS_CONFIG_FILENAME    = "genesis-config.yaml"