Upload file provider for Strapi - OVH with OpenStack. Article https://oramind.com/develop-strapi-upload-provider/

ovhcloud.file-provider.js

const pkgcloud = require('pkgcloud');
const streamifier = require('streamifier');

module.exports = {

  init(providerOptions) {
    const client = pkgcloud.storage.createClient(providerOptions);
    const options = { container: providerOptions.defaultContainerName }

    const remoteURL = () =>
      new Promise((resolve, reject) => {
        return client.getContainer(providerOptions.defaultContainerName, (err, res) => {
          if (err && !res) return reject(err);
          return resolve(res);
        });
      });

    //returning an object with two methods defined
    return {

      upload(file) {
        const readStream = streamifier.createReadStream(file.buffer);
        const writeStream = client.upload({
          ...options,
          remote: file.hash,
          contentType: file.mime,
        });

        return new Promise((resolve, reject) => {

          readStream.pipe(writeStream);
          writeStream.on('error', error => error && reject(error));
          
          writeStream.on('success', result => {
            remoteURL()
              .then(data => {
                resolve(
                  Object.assign(file, {
                    mime: result.contentType,
                    url: `${providerOptions.publicUrlPrefix}/${result.name}`,
                  })
                );
              })
              .catch(err => console.error(err) && reject(err));
          });
        });
        
      },

      delete(file) {
        return new Promise((resolve, reject) => {
          client.removeFile(providerOptions.defaultContainerName, file.hash, error => {
            if (error) return reject(error);
            return resolve();
          });
        });
      }
    };
  },
};

Options inside config/plugins.js:

module.exports = ({ env }) => {
  return {
    upload: {
      provider: 'ovh',
      providerOptions: {
        keystoneAuthVersion: 'v3',
        provider: 'openstack', // required
        username: env('STORAGE_USERNAME','user-id'),
        password: env('STORAGE_PASSWORD', '<<storage-password>>'),
        region: env('STORAGE_REGION', 'DE'),
        domainId: env('STORAGE_DOMAIN_ID', 'default'),
        domainName: env('STORAGE_TENANT_NAME','tenant_name'),
        authUrl: env('STORAGE_AUTH_URL', 'https://auth.cloud.ovh.net/'),
        defaultContainerName: env('STORAGE_CONTAINER_NAME', '<<storage container name>>'),
        publicUrlPrefix: env('STORAGE_PUBLIC_URL_PREFIX', 'your public files URL')
      },
    },
  }
};```

Options inside config/plugins.js:

module.exports = ({ env }) => {
  return {
    upload: {
      provider: 'ovh',
      providerOptions: {
        keystoneAuthVersion: 'v3',
        provider: 'openstack', // required
        username: env('STORAGE_USERNAME','user-id'),
        password: env('STORAGE_PASSWORD', '<<storage-password>>'),
        region: env('STORAGE_REGION', 'DE'),
        domainId: env('STORAGE_DOMAIN_ID', 'default'),
        domainName: env('STORAGE_TENANT_NAME','tenant_name'),
        authUrl: env('STORAGE_AUTH_URL', 'https://auth.cloud.ovh.net/'),
        defaultContainerName: env('STORAGE_CONTAINER_NAME', '<<storage container name>>'),
        publicUrlPrefix: env('STORAGE_PUBLIC_URL_PREFIX', 'your public files URL')
      },
    },
  }
};```

@csotiriou Hiya. I'm trying to use your gist, but I'm getting the error 401 Unauthorized in console when trying uploading file.
I was double-checked every detail in plugins.js and I believe everything is correct there. Do you have any suggestions on how to deal with it?