From 63f8b543024d98e74bd8cd6d2fb0dd21ae3d8a70 Mon Sep 17 00:00:00 2001
From: Joschka Seydell <joschka@seydell.org>
Date: Sat, 13 Nov 2021 12:31:39 -0800
Subject: [PATCH] Add exporter container if metrics shall be exposed.

---
 README.md                             |  1 +
 defaults/main.yml                     |  1 +
 src                                   |  2 +-
 tasks/main.yml                        | 10 ++++++++++
 templates/docker-compose.jitsi.yml.j2 | 14 ++++++++++++++
 templates/exporter.env.j2             |  6 ++++++
 6 files changed, 33 insertions(+), 1 deletion(-)
 create mode 100644 templates/exporter.env.j2

diff --git a/README.md b/README.md
index 04c23cd..e2ae4fd 100644
--- a/README.md
+++ b/README.md
@@ -45,6 +45,7 @@ Role Variables
 | jitsi_public_url                     | The public URL under which Jitsi Meet can be accessed                                                                                                       | http://localhost                               |
 | jitsi_timezone                       |                                                                                                                                                             | Europe/Amsterdam                               |
 | jitsi_virtual_host                   | The virtual host that is e.g. used by Traefik, usually part of the public url                                                                               | localhost                                      |
+| jitsi_expose_metrics                 | Determine whether an additional expoerter for the Jitsi metrics shall be run                                                                                | False                                          |
 
 \* It is important to provide a dedicated secure password for each service. Generate passwords with e.g. `openssl rand -hex 16`
 
diff --git a/defaults/main.yml b/defaults/main.yml
index 053e9e6..f339808 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -17,5 +17,6 @@ jitsi_web_channel_last_n: 3
 jitsi_build_latest_image_from_source: yes
 jitsi_docker_upstream_repo_url: https://github.com/jitsi/docker-jitsi-meet.git
 jitsi_enable_third_party_requests: no
+jitsi_expose_metrics: False
 # Internal variables
 jitsi_multitenant_postfix: "{{ '_' + jitsi_multitenant_label if (jitsi_multitenant_label) else '' }}"
\ No newline at end of file
diff --git a/src b/src
index eae3f5c..9b686c6 160000
--- a/src
+++ b/src
@@ -1 +1 @@
-Subproject commit eae3f5ce2d7627afe4115f52a61cc7ae3e3e8a31
+Subproject commit 9b686c6f4aa74cd33ddcd4dd35decc76a9470e1e
diff --git a/tasks/main.yml b/tasks/main.yml
index fc79769..1912265 100644
--- a/tasks/main.yml
+++ b/tasks/main.yml
@@ -62,6 +62,16 @@
     mode: '0640'
   tags: config
 
+- name: Provide metric exporter environment
+  template:
+    src: templates/exporter.env.j2
+    dest: "{{ jitsi_install_path }}/jitsi/exporter.env"
+    owner: "{{ jitsi_install_user }}"
+    group: "{{ jitsi_install_user }}"
+    mode: '0640'
+  tags: config
+  when: jitsi_expose_metrics
+
 - name: "docker-compose: Teardown existing Jitsi service"
   docker_compose:
     project_src: "{{ jitsi_install_path }}/jitsi/"
diff --git a/templates/docker-compose.jitsi.yml.j2 b/templates/docker-compose.jitsi.yml.j2
index 2c1a6ae..7f5a8c8 100644
--- a/templates/docker-compose.jitsi.yml.j2
+++ b/templates/docker-compose.jitsi.yml.j2
@@ -179,6 +179,20 @@ services:
         networks:
             meet.jitsi:
 
+    {% if jitsi_expose_metrics %}
+    # Data exporter
+    exporter:
+        image: goberle/jitsi-prom-exporter
+        restart: unless-stopped
+        env_file: exporter.env
+        depends_on:
+            - jicofo
+        networks:
+            # Expose the data exporter to the public network managed by traefik
+            public:
+            meet.jitsi:
+    {% endif %}
+
 # Custom network so all services can communicate using a FQDN
 networks:
     meet.jitsi:
diff --git a/templates/exporter.env.j2 b/templates/exporter.env.j2
new file mode 100644
index 0000000..fdc04ff
--- /dev/null
+++ b/templates/exporter.env.j2
@@ -0,0 +1,6 @@
+XMPP_USER={{ jitsi_jicofo_auth_user }}
+XMPP_PW={{ jitsi_jicofo_auth_password }}
+XMPP_SERVER=xmpp.meet.jitsi
+XMPP_PORT=5222
+XMPP_AUTH_DOMAIN=auth.meet.jitsi
+XMPP_INTERNAL_MUC_DOMAIN=internal-muc.meet.jitsi
\ No newline at end of file