Run ffplayout in container

Base Image

Use of centos image as base image as it offer the possibility to use systemd. In order to run systemd in a container it has to run in privileged mode and bind to the cgroup of the host.

Image

In addition to the base image, there is the compilation of ffmpeg and all lib from source based on https://github.com/jrottenberg/ffmpeg. We can't use directly the image from jrottenberg/ffmpeg as it compile ffmpeg with the flag --enable-small that remove some part of the json from the ffprobe command. There is also a conf file to override the ffplayout.service as the libs for ffmpeg are not in the defauft place which is copied to /etc/systemd/system/ffplayout.service.d/overide.conf.

The image is build with a default user/pass admin/admin.

You can take a look à the Dockerfile

/!\ as ffmpeg is compiled with `--enable-nonfree` don't push it to a public registry nor distribute the image /!\

Storage

There are some folders/files that are important for ffplayout to work well such as :

/usr/share/ffplayout/db => where all the data for the ffpapi are stored (user/pass etc)
/var/lib/ffplayout/tv-media => where the media are stored by default (configurable)
/var/lib/ffplayout/playlists => where playlists are stored (configurable)
/etc/ffplayout/ffplayout.yml => the core config file

It may be useful to create/link volume for those folders/files.

Docker

How to build the image docker build -t ffplayout-image . docker build -f fromSource.Dockerfile -t ffplayout-image:from-source . docker build -f Almalinux.Dockerfile -t ffplayout-image:almalinux .

example of command to start the container:

docker run -ti -v /sys/fs/cgroup:/sys/fs/cgroup:ro --cap-add SYS_ADMIN -p 8787:8787 ffplayout-image

Note from centos docker hub page There have been reports that if you're using an Ubuntu host, you will need to add -v /tmp/$(mktemp -d):/run in addition to the cgroups mount.

Kubernetes

basic example to run the service in k8s:

---
apiVersion: apps/v1
kind: Deployment
metadata:
  labels:
    app: ffplayout
  name: ffplayout
  namespace: ffplayout
spec:
  replicas: 1
  selector:
    matchLabels:
      app: ffplayout
  strategy:
    type: Recreate
  template:
    metadata:
      labels:
        app: ffplayout
    spec:
      containers:
      - name: ffplayout
        securityContext:
          allowPrivilegeEscalation: true
          capabilities:
            add:
            - SYS_ADMIN
        image: ffplayout-image:latest
        ports:
        - containerPort: 8787
          name: web
          protocol: TCP
        volumeMounts:
          - name: cgroup
            mountPath: /sys/fs/cgroup
            readOnly: true
          - name: database-volume
            mountPath: /usr/share/ffplayout/db
      restartPolicy: Always
      volumes:
      - name: cgroup
        hostPath:
          path: '/sys/fs/cgroup'
          type: Directory
      - name: database-volume
        ephemeral:
          volumeClaimTemplate:
            metadata:
              labels:
                type: my-database-volume
            spec:
              accessModes: [ "ReadWriteOnce" ]
              storageClassName: "database-storage-class"
              resources:
                requests:
                  storage: 1Gi

Use with traefik

If you are using traefik here is a sample config

---
kind: Service
apiVersion: v1
metadata:
  name: ffplayout
  namespace: ffplayout
spec:
  ports:
  - port: 8787
    name: web
    protocol: TCP
  selector:
    app: ffplayout
---
apiVersion: traefik.containo.us/v1alpha1
kind: IngressRoute
metadata:
  name: ffplayout-http
  namespace: ffplayout
spec:
  entryPoints:
    - web
  routes:
  - match: Host(`ffplayout.example.com`) && PathPrefix(`/`)
    kind: Rule
    middlewares:
    - name: redirect-https
      namespace: default
    services:
    - name: ffplayout
      namespace: ffplayout
      port: 8787
---
apiVersion: traefik.containo.us/v1alpha1
kind: IngressRoute
metadata:
  name: ffplayout-https
  namespace: ffplayout
spec:
  entryPoints:
    - websecure
  routes:
  - match: Host(`ffplayout.example.com`) && PathPrefix(`/`)
    kind: Rule
    services:
    - name: ffplayout
      namespace: ffplayout
      port: 8787
  tls:
    certResolver: yourCert

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