From b7b6a053edd8ef10371a6f4cc094722a2b91b410 Mon Sep 17 00:00:00 2001
From: Christian Pointner <equinox@spreadspace.org>
Date: Thu, 20 Aug 2020 01:31:45 +0200
Subject: rtmp-streamer: enable recording

---
 roles/streaming/rtmp/streamer/defaults/main.yml      |  6 ++++--
 roles/streaming/rtmp/streamer/tasks/main.yml         | 19 ++++++++++++++++++-
 .../rtmp/streamer/templates/pod-spec.yml.j2          | 20 ++++++++++++++++++++
 roles/streaming/rtmp/streamer/templates/record.sh.j2 |  9 +++++++++
 4 files changed, 51 insertions(+), 3 deletions(-)
 create mode 100644 roles/streaming/rtmp/streamer/templates/record.sh.j2

(limited to 'roles/streaming/rtmp/streamer')

diff --git a/roles/streaming/rtmp/streamer/defaults/main.yml b/roles/streaming/rtmp/streamer/defaults/main.yml
index 5a9b48f7..5f74af02 100644
--- a/roles/streaming/rtmp/streamer/defaults/main.yml
+++ b/roles/streaming/rtmp/streamer/defaults/main.yml
@@ -1,6 +1,7 @@
 ---
 rtmp_streamer_base_path: /srv/rtmp/streamer
 
+rtmp_streamer_port: 1935
 # rtmp_streamer_inst_name: feed
 # rtmp_streamer_nginx_image_version: 2020-04-29.7
 # rtmp_streamer_decklink_card: "DeckLink Mini Recorder"
@@ -8,6 +9,7 @@ rtmp_streamer_app_name: "{{ rtmp_streamer_inst_name }}"
 rtmp_streamer_quality_levels:
   - full
 
-rtmp_streamer_config: {}
+rtmp_streamer_recording_enabled: no
+rtmp_streamer_recording_level: full
 
-rtmp_streamer_port: 1935
+rtmp_streamer_config: {}
diff --git a/roles/streaming/rtmp/streamer/tasks/main.yml b/roles/streaming/rtmp/streamer/tasks/main.yml
index 828ceba6..e63bbdce 100644
--- a/roles/streaming/rtmp/streamer/tasks/main.yml
+++ b/roles/streaming/rtmp/streamer/tasks/main.yml
@@ -1,5 +1,5 @@
 ---
-- name: create rtmp-streamer scripts subdirectories
+- name: create rtmp-streamer instance directory
   file:
     path: "{{ rtmp_streamer_base_path }}/{{ rtmp_streamer_inst_name }}"
     state: directory
@@ -14,6 +14,22 @@
     content: "{{ rtmp_streamer_config | combine({'rtmp_base_url': 'rtmp://127.0.0.1/'+rtmp_streamer_app_name}) | to_nice_yaml }}\n"
     dest: "{{ rtmp_streamer_base_path }}/{{ rtmp_streamer_inst_name }}/config.yml"
 
+- name: enable recording
+  when: rtmp_streamer_recording_enabled | bool
+  block:
+  - name: create recording directory
+    file:
+      path: "{{ rtmp_streamer_base_path }}/{{ rtmp_streamer_inst_name }}/recordings"
+      state: directory
+      owner: app
+      group: app
+
+  - name: generate recording script
+    template:
+      src: record.sh.j2
+      dest: "{{ rtmp_streamer_base_path }}/{{ rtmp_streamer_inst_name }}/record.sh"
+      mode: 0755
+
 - name: install pod manifest
   vars:
     kubernetes_standalone_pod:
@@ -26,5 +42,6 @@
       - path: "{{ rtmp_streamer_base_path }}/{{ rtmp_streamer_inst_name }}/config.yml"
         properties:
         - checksum
+      ## TODO: add record.sh if recording is enabled
   include_role:
     name: kubernetes/standalone/pod
diff --git a/roles/streaming/rtmp/streamer/templates/pod-spec.yml.j2 b/roles/streaming/rtmp/streamer/templates/pod-spec.yml.j2
index b4a6ee9d..f670fb25 100644
--- a/roles/streaming/rtmp/streamer/templates/pod-spec.yml.j2
+++ b/roles/streaming/rtmp/streamer/templates/pod-spec.yml.j2
@@ -53,6 +53,20 @@ containers:
   - name: CONFIG_FILENAME
     value: /srv/config.yml
 
+{% if rtmp_streamer_recording_enabled %}
+- name: record
+  image: registry.gitlab.com/spreadspace/docker/nginx:{{ rtmp_streamer_nginx_image_version }}
+  imagePullPolicy: Always
+  args:
+  - /srv/record.sh
+  volumeMounts:
+  - name: home
+    mountPath: /srv
+    readOnly: true
+  - name: recordings
+    mountPath: /srv/recordings
+
+{% endif %}
 volumes:
 - name: home
   hostPath:
@@ -67,3 +81,9 @@ volumes:
   hostPath:
     type: Directory
     path: /usr/lib/
+{% if rtmp_streamer_recording_enabled %}
+- name: recordings
+  hostPath:
+    type: Directory
+    path: "{{ rtmp_streamer_base_path }}/{{ rtmp_streamer_inst_name }}/recordings"
+{% endif %}
diff --git a/roles/streaming/rtmp/streamer/templates/record.sh.j2 b/roles/streaming/rtmp/streamer/templates/record.sh.j2
new file mode 100644
index 00000000..159bf5e2
--- /dev/null
+++ b/roles/streaming/rtmp/streamer/templates/record.sh.j2
@@ -0,0 +1,9 @@
+#!/bin/bash
+
+BASE_D="/srv/recordings"
+DAY=$(date '+%Y-%m-%d')
+TIME=$(date '+%H-%M-%S')
+
+umask 022
+mkdir -p "$BASE_D/$DAY"
+exec /usr/bin/ffmpeg -f live_flv -rtmp_live live -i "rtmp://127.0.0.1/{{ rtmp_streamer_app_name }}/{{ rtmp_streamer_recording_level }}" -c:a copy -c:v copy -f matroska "$BASE_D/$DAY/$DAY""_$TIME.mkv"
-- 
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