<p>pespin <strong>submitted</strong> this change.</p><p><a href="https://gerrit.osmocom.org/c/osmo-ci/+/16226">View Change</a></p><div style="white-space:pre-wrap">Approvals:
  laforge: Looks good to me, but someone else must approve
  neels: Looks good to me, but someone else must approve
  pespin: Looks good to me, approved; Verified

</div><pre style="font-family: monospace,monospace; white-space: pre-wrap;">ansible: gsm-tester: Enable ip forwarding and masquerading on boot<br><br>Some nodes in the internal network, such as LimeNetMicro, will need<br>Internet access to upgrade osmo-trx-lms from OBS repos.<br>It also makes it easier to update manually other nodes inside the<br>internal network.<br><br>Change-Id: I2c89cf9cfcb55b3153e7be212c68ffa8db0f6927<br>---<br>M ansible/roles/gsm-tester-network/README.md<br>M ansible/roles/gsm-tester-network/defaults/main.yml<br>A ansible/roles/gsm-tester-network/files/ogt-sysctl.conf<br>M ansible/roles/gsm-tester-network/tasks/main.yml<br>A ansible/roles/gsm-tester-network/templates/etc/iptables-ogt<br>5 files changed, 34 insertions(+), 2 deletions(-)<br><br></pre><pre style="font-family: monospace,monospace; white-space: pre-wrap;"><span>diff --git a/ansible/roles/gsm-tester-network/README.md b/ansible/roles/gsm-tester-network/README.md</span><br><span>index e324929..689a127 100644</span><br><span>--- a/ansible/roles/gsm-tester-network/README.md</span><br><span>+++ b/ansible/roles/gsm-tester-network/README.md</span><br><span>@@ -4,4 +4,5 @@</span><br><span> </span><br><span> # variables</span><br><span> </span><br><span style="color: hsl(0, 100%, 40%);">-- `bts_interface` (eth1): on which network interface the bts is configured.</span><br><span style="color: hsl(120, 100%, 40%);">+- `bts_interface` (enp2s0): on which network interface the bts is configured.</span><br><span style="color: hsl(120, 100%, 40%);">+- `gw_interface` (enp1s0): on which network interface the traffic is routed towards default gateway.</span><br><span>diff --git a/ansible/roles/gsm-tester-network/defaults/main.yml b/ansible/roles/gsm-tester-network/defaults/main.yml</span><br><span>index 3e506da..5bfdf63 100644</span><br><span>--- a/ansible/roles/gsm-tester-network/defaults/main.yml</span><br><span>+++ b/ansible/roles/gsm-tester-network/defaults/main.yml</span><br><span>@@ -1,3 +1,4 @@</span><br><span> ---</span><br><span> </span><br><span style="color: hsl(0, 100%, 40%);">-bts_interface: eth1</span><br><span style="color: hsl(120, 100%, 40%);">+bts_interface: enp2s0</span><br><span style="color: hsl(120, 100%, 40%);">+gw_interface: enp1s0</span><br><span>diff --git a/ansible/roles/gsm-tester-network/files/ogt-sysctl.conf b/ansible/roles/gsm-tester-network/files/ogt-sysctl.conf</span><br><span>new file mode 100644</span><br><span>index 0000000..119d730</span><br><span>--- /dev/null</span><br><span>+++ b/ansible/roles/gsm-tester-network/files/ogt-sysctl.conf</span><br><span>@@ -0,0 +1 @@</span><br><span style="color: hsl(120, 100%, 40%);">+net.ipv4.ip_forward=1</span><br><span>diff --git a/ansible/roles/gsm-tester-network/tasks/main.yml b/ansible/roles/gsm-tester-network/tasks/main.yml</span><br><span>index 210bf1e..b77fc0e 100644</span><br><span>--- a/ansible/roles/gsm-tester-network/tasks/main.yml</span><br><span>+++ b/ansible/roles/gsm-tester-network/tasks/main.yml</span><br><span>@@ -9,3 +9,15 @@</span><br><span> - name: start all network interface</span><br><span>   command: ifup -a</span><br><span>   when: gsm_tester_network_interface is changed</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+- name: allow ip forwarding and masquerading traffic from internal network (iptables)</span><br><span style="color: hsl(120, 100%, 40%);">+  template:</span><br><span style="color: hsl(120, 100%, 40%);">+    src: etc/iptables-ogt</span><br><span style="color: hsl(120, 100%, 40%);">+    dest: /etc/network/if-up.d/iptables-ogt</span><br><span style="color: hsl(120, 100%, 40%);">+    mode: 0755</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+- name: allow ip forwarding from internal network (sysctl)</span><br><span style="color: hsl(120, 100%, 40%);">+  copy:</span><br><span style="color: hsl(120, 100%, 40%);">+    src: ogt-sysctl.conf</span><br><span style="color: hsl(120, 100%, 40%);">+    dest: /etc/sysctl.d</span><br><span style="color: hsl(120, 100%, 40%);">+  notify: restart udev</span><br><span>diff --git a/ansible/roles/gsm-tester-network/templates/etc/iptables-ogt b/ansible/roles/gsm-tester-network/templates/etc/iptables-ogt</span><br><span>new file mode 100644</span><br><span>index 0000000..5a781c5</span><br><span>--- /dev/null</span><br><span>+++ b/ansible/roles/gsm-tester-network/templates/etc/iptables-ogt</span><br><span>@@ -0,0 +1,17 @@</span><br><span style="color: hsl(120, 100%, 40%);">+#!/bin/sh</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+IPT="/sbin/iptables"</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+if [ "$IFACE" = "{{ gw_interface }}" ]; then</span><br><span style="color: hsl(120, 100%, 40%);">+  # Apply masquerading if not yet applied:</span><br><span style="color: hsl(120, 100%, 40%);">+  if [ "x$($IPT -t nat -S | grep "\-A POSTROUTING -o {{ gw_interface }} -j MASQUERADE" -c)" = "x0" ]; then</span><br><span style="color: hsl(120, 100%, 40%);">+        $IPT -t nat -A POSTROUTING -o {{ gw_interface }} -j MASQUERADE</span><br><span style="color: hsl(120, 100%, 40%);">+  fi</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+  # Allow IP forwarding if not yet enabled:</span><br><span style="color: hsl(120, 100%, 40%);">+  if [ "x$($IPT -t filter -S | grep "\-A FORWARD -j ACCEPT" -c)" = "x0" ]; then</span><br><span style="color: hsl(120, 100%, 40%);">+    $IPT -t filter -A FORWARD -j ACCEPT</span><br><span style="color: hsl(120, 100%, 40%);">+  fi</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+  echo "osmo-gsm-tester iptables rules loaded."</span><br><span style="color: hsl(120, 100%, 40%);">+fi</span><br><span></span><br></pre><p>To view, visit <a href="https://gerrit.osmocom.org/c/osmo-ci/+/16226">change 16226</a>. To unsubscribe, or for help writing mail filters, visit <a href="https://gerrit.osmocom.org/settings">settings</a>.</p><div itemscope itemtype="http://schema.org/EmailMessage"><div itemscope itemprop="action" itemtype="http://schema.org/ViewAction"><link itemprop="url" href="https://gerrit.osmocom.org/c/osmo-ci/+/16226"/><meta itemprop="name" content="View Change"/></div></div>

<div style="display:none"> Gerrit-Project: osmo-ci </div>
<div style="display:none"> Gerrit-Branch: master </div>
<div style="display:none"> Gerrit-Change-Id: I2c89cf9cfcb55b3153e7be212c68ffa8db0f6927 </div>
<div style="display:none"> Gerrit-Change-Number: 16226 </div>
<div style="display:none"> Gerrit-PatchSet: 4 </div>
<div style="display:none"> Gerrit-Owner: pespin <pespin@sysmocom.de> </div>
<div style="display:none"> Gerrit-Reviewer: laforge <laforge@osmocom.org> </div>
<div style="display:none"> Gerrit-Reviewer: lynxis lazus <lynxis@fe80.eu> </div>
<div style="display:none"> Gerrit-Reviewer: neels <nhofmeyr@sysmocom.de> </div>
<div style="display:none"> Gerrit-Reviewer: pespin <pespin@sysmocom.de> </div>
<div style="display:none"> Gerrit-MessageType: merged </div>