Importing/migrating from one peertube server to another

My Peertube server is shutting down, so I need to move my videos to another one. The official scripts don’t seem to cover this case very well, so here is what I did.

My script fetches videos and their details and uploads them to the new server via the Peertube API.

Contributions welcome: I was not able to copy video descriptions across, and I was too lazy so I hard-coded the number of tags. Also, I didn’t make a git repo for all this because I felt it needs more thought, but feel free to start one and I will happily contribute this.

This script copies all videos in a single Peertube channel to a different server. You must find the numeric ID of the channel on the new server to copy into, which I did by looking at the responses in the Network tab of Firefox’s developer tools when I clicked on its name in the web interface. It requires bash, curl, youtube-dl and jq.

Here’s peertube-migrate-channel.bash:

#!/bin/bash

set -u
set -e

# Modify these for your setup
OLD_SERVER="INSERT OLD SERVER e.g. https://peertube.social"
OLD_CHANNEL="INSERT CHANNEL URL-NAME e.g. trials_fusion"
NEW_SERVER="INSERT NEW SERVER e.g. https://video.hardlimit.com"
NEW_CHANNEL="INSERT NEW CHANNEL ID e.g. 4103"
USERNAME="INSERT_USERNAME for new server e.g. trials"
PASSWORD="INSERT PASSWORD for new server"
TAG1="INSERT_A_TAG e.g trials"
TAG2="INSERT_A_TAG e.g. gaming"
TAG3="INSERT_A_TAG e.g. gameing"

DIR=$(mktemp -d)
API_PATH="${NEW_SERVER}/api/v1"

# Find out how many videos are in the channel
curl -s \
    "${OLD_SERVER}/api/v1/video-channels/${OLD_CHANNEL}/videos/?count=1" \
    > "${DIR}/videos-total.json"

TOTAL=$(jq .total < "${DIR}/videos-total.json")
CURRENT=0
PAGE_SIZE=10

# Get a list of URLS for all the videos

echo -n "" > "${DIR}/urls.txt"

while (( CURRENT < TOTAL )); do
    FILE="${DIR}/videos-page-${CURRENT}.json"

    curl -s \
        "${OLD_SERVER}/api/v1/video-channels/${OLD_CHANNEL}/videos/?start=${CURRENT}&count=${PAGE_SIZE}&skipCount=true" \
        > "${FILE}"

    jq ".data | map(.uuid) | .[]" -r < "${FILE}" >> "${DIR}/urls.txt"

    CURRENT=$((CURRENT + PAGE_SIZE))
done

# Log in to the new server

client_id=$(curl -s "${API_PATH}/oauth-clients/local" | jq -r ".client_id")
client_secret=$(curl -s "${API_PATH}/oauth-clients/local" | jq -r ".client_secret")
token=$(curl -s "${API_PATH}/users/token" \
  --data client_id="${client_id}" \
  --data client_secret="${client_secret}" \
  --data grant_type=password \
  --data response_type=code \
  --data username="${USERNAME}" \
  --data password="${PASSWORD}" \
  | jq -r ".access_token")

# Download and upload each video

tac "${DIR}/urls.txt" \
    | while read ID; do
        URL="${OLD_SERVER}/api/v1/videos/${ID}"
        curl -s "${URL}" > "${DIR}/info-${ID}.json"
        NAME=$(jq -r .name < "${DIR}/info-${ID}.json")
        CATEGORY=$(jq -r .category.id < "${DIR}/info-${ID}.json")
        LICENCE=$(jq -r .licence.id < "${DIR}/info-${ID}.json")
        LANGUAGE=$(jq -r .language.id < "${DIR}/info-${ID}.json")
        PRIVACY=$(jq -r .privacy.id < "${DIR}/info-${ID}.json")

        OLD_VIDEO="https://peertube.social/videos/watch/${ID}"
	mkdir "${DIR}/dl-${ID}"
	youtube-dl "${OLD_VIDEO}" --output="${DIR}/dl-${ID}/dl.mp4"

        echo "Uploading ${OLD_VIDEO}"
        curl "${API_PATH}/videos/upload" \
	  --silent \
          -H "Authorization: Bearer ${token}" \
          --output "${DIR}/curl-out-${ID}.txt" \
          --max-time 6000 \
	  --form name="${NAME}" \
	  --form videofile=@"${DIR}/dl-${ID}/dl.mp4" \
          --form channelId=${NEW_CHANNEL} \
          --form category=${CATEGORY} \
          --form licence=${LICENCE} \
          --form description="TODO VIDEO DESCRIPTION" \
          --form language=${LANGUAGE} \
          --form privacy=${PRIVACY} \
          --form tags="${TAG1}" \
          --form tags="${TAG2}" \
          --form tags="${TAG3}"
    done

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