From 75b1e7db47d6e6bc3baa28aff77187f504bd20df Mon Sep 17 00:00:00 2001
From: fumingwei <fumingwei@geedgenetworks.com>
Date: Thu, 3 Dec 2020 16:53:34 +0600
Subject: [PATCH] add fake promisc setup scripts for tera mac-flipping.

---
 roles/sapp/files/tera_fake_promisc_setup.conf |  2 ++
 roles/sapp/files/tera_fake_promisc_setup.sh   |  4 ++++
 roles/sapp/tasks/main.yml                     | 17 ++++++++++++++++-
 roles/sapp/templates/sapp.toml.j2             |  2 ++
 4 files changed, 24 insertions(+), 1 deletion(-)
 create mode 100644 roles/sapp/files/tera_fake_promisc_setup.conf
 create mode 100755 roles/sapp/files/tera_fake_promisc_setup.sh

diff --git a/roles/sapp/files/tera_fake_promisc_setup.conf b/roles/sapp/files/tera_fake_promisc_setup.conf
new file mode 100644
index 0000000..f505012
--- /dev/null
+++ b/roles/sapp/files/tera_fake_promisc_setup.conf
@@ -0,0 +1,2 @@
+[Service]
+ExecStartPre=/bin/bash tera_fake_promisc_setup.sh
diff --git a/roles/sapp/files/tera_fake_promisc_setup.sh b/roles/sapp/files/tera_fake_promisc_setup.sh
new file mode 100755
index 0000000..4e8665a
--- /dev/null
+++ b/roles/sapp/files/tera_fake_promisc_setup.sh
@@ -0,0 +1,4 @@
+set -ex
+dp_adapter_ether_addr=$(ifconfig ens1f2 | grep ether | awk '{print $2}')
+bpf_rule="ether dst $dp_adapter_ether_addr or ether dst 02:42:c0:a8:fd:03 or ether dst 02:42:c0:a8:fd:83 or ether dst 02:42:c0:a8:fd:82"
+sed -i "/BSD_packet_filter=/s/=.*/=\"$bpf_rule\"/" etc/sapp.toml
diff --git a/roles/sapp/tasks/main.yml b/roles/sapp/tasks/main.yml
index 09bc5d2..130d7ba 100644
--- a/roles/sapp/tasks/main.yml
+++ b/roles/sapp/tasks/main.yml
@@ -69,7 +69,8 @@
     src: "{{ role_path }}/templates/vlan_flipping_map.conf.j2"
     dest: /home/mesasoft/sapp_run/etc/vlan_flipping_map.conf
   when: tsg_access_type == 2
-  
+
+
 - name: "Template sapp.service destination server"
   template:
     src: "{{ role_path }}/templates/sapp.service.j2"
@@ -82,6 +83,20 @@
     dest: /etc/systemd/system/sapp.service.d/
     mode: 0644
 
+- name: "copy fake promisc tools for tera mode - service file"
+  copy:
+    src: "{{ role_path }}/files/tera_fake_promisc_setup.conf"
+    dest: /etc/systemd/system/sapp.service.d/
+    mode: 0644
+  when: tsg_access_type == 2
+
+- name: "copy fake promisc tools for tera mode - scripts"
+  copy:
+    src: "{{ role_path }}/files/tera_fake_promisc_setup.sh"
+    dest: /home/mesasoft/sapp_run/tera_fake_promisc_setup.sh
+    mode: 0755
+  when: tsg_access_type == 2
+ 
 - name: "enable sapp"
   systemd:
     name: sapp
diff --git a/roles/sapp/templates/sapp.toml.j2 b/roles/sapp/templates/sapp.toml.j2
index 75b55b2..03a0bf6 100644
--- a/roles/sapp/templates/sapp.toml.j2
+++ b/roles/sapp/templates/sapp.toml.j2
@@ -39,6 +39,8 @@ dictator_enable=0
     asymmetric_presence_layer_cfg_file="etc/asymmetric_presence_layer.conf"
     asymmetric_addr_layer_cfg_file="etc/asymmetric_addr_layer.conf"
     prune_inject_layer_cfg_file="etc/prune_inject_layer.conf"
+
+    [packet_io.feature]
 	
 	{% if tsg_access_type == 4 %}
 	### note, used to represent inbound or outbound direction value,