Preventing Drupal Headaches: Establishing Flexible File Paths From The Start
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Transcript of Preventing Drupal Headaches: Establishing Flexible File Paths From The Start
FLEXIBLE FILE PATHS FROM THE START
Prevent Drupal Headaches
Wednesday, January 15, 14
training.acquia.com/events
Wednesday, January 15, 14
Who is this for?• New to Drupal?
• Starting a new Drupal site!
• Inherited a new Drupal site and want to know more about configuration
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In this demo• How file path patterns
affect maintenance and migrations
• File upload management
• Future friendly path patterns
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Source of the pain?• Drupal default file
field upload pops ALL files into the same directory
• Often overlooked by developers
• Significant performance impact
• Easy to prevent!
• ...not easy to fix!
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https://drupal.org/node/2128055
A future fix
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Not in this demo• Check out these blog posts• Adding images to your site• Inline images in Drupal 7• Responsive or Adaptive images in Drupal 7• Inline and responsive images in Drupal 8
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A clean room• Protips!• Many potential conflicts with other modules
that control file system. Use clean testing sites.
• See Create a Test Site | Drupal.org
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Out of the box file handling
Getting to grip with the basics
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Basic settings• Global settings• Display options• Upload destination
• Per content type settings• Required?• Help text• Allowed extensions• File directory• Upload size• Description field• Progress indicator• Number of values
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Limiting file types• Security tip: Err on the side of less file
extensions available to the least amount of users
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Description field setting
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The description
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CompareWithout “description” With “description”
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The “display” optionDisplay enabled Display disabled
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Manage field display
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Field report!
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Transliteration• You NEED transliteration. Install it.• Configuration > Media > File system•
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Transliteration• Configuration > Search and metadata > URL
aliases > URL aliases
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Fix existing file names
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How many is too many?
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The extreme limits• FAT32:• Maximum number of files: 268,435,437• Maximum file size: 4GB• maximum number of files per directory: up to 65535, or less depending
on file names• NTFS:• Maximum number of files: 4,294,967,295• Maximum file size: 16TB currently (16EB theoretically)• Ext2:• Maximum number of files: 10¹⁸• Maximum file size: 2TB• theoretical file per directory limit: 1.3 × 10²⁰ files• Ext3:• Maximum number of files: number of bytes in volume/2¹³.• Maximum file size: 16GB (1KB block) to 2TB (4KB block)•http://stackoverflow.com/questions/466521/how-many-
files-in-a-directory-is-too-manyWednesday, January 15, 14
What’s wrong?• Slow to load directory for maintenance and
migration• Performance hit loading files from that
directory
• Set Max at 1000 or 100,000- well below your “limit”
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File path patterns
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Configure file paths• Basic settings are
limited
• arbitary text
• entitytype/filetype
• Example: article/pdfs
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A better idea!• sites/default/files/YYYY/MM/DD• For high volume uploads
https://drupal.org/node/2128055Wednesday, January 15, 14
Token for file directory!• Set to date
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File (Field) Paths• Set file name also• Node tokens• Transliteration
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Example file path patterns• Parent directory by date• Parent directory by content type• Parent directory by a combination of content
type and author
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Pathauto• Requires Token• Set patterns for paths instead of node/1
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Private and public files
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public:// & private://• Public
• Anyone can download them
• Private
• Controlling access to the files
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Private• Specify a directory
outside of the doc root folder
Example../private
• OR Sub-directory under the public directory
Examplesites/default/files/private
https://drupal.org/documentation/modules/file
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Private directory• Create the private directory at same level as
root folder• Configuration > Media > File system• Set file system path
• System creates .htaccess file
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Choose default option• Configuration > Media > File system• Choose default method
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Per field options• Select private file
• The paths will be like /system/files/ebooks/pressrelease.pdf
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What happens?• Field inherits access publishing settings of
content
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Private file modules• Private files download permission 1.7k using• Field Permissions 36k using • File entity (fieldable files) 29k using
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More complex file handling needed?
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A flexible solution• Media +
• File entity +
• OEmbed +
• CKEditor
• Being used in Drupal Commons and Demo Framework
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Demo Framework• A good example of media configuration• http://drupal.org/project/df
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CKEditor Link
https://drupal.org/project/ckeditor_link_filehttps://drupal.org/project/ckeditor_link
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• http://drupal.org/project/multiupload_filefield_widget
• http://drupal.org/project/multiupload_imagefield_widget
• http://drupal.org/project/plupload
Multi file uploads
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Future friendly
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Media module 2.x• Adds an upload widget
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File entity• File entity (fieldable files)• Add fields to files, group, add display modes,
use Token• Working on getting this into D8
• Documentation at drupal.org/node/1591498
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Fieldable entity
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File browser• File browser and uploader
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File settings (global)• Configuration »
Media » File settings
• Global file field settings
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Granular file permissions
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Display formatter
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Further extend• Media module - Handing files from external
sources and services such as YouTube, Vimeo and Flickr.
• File entity revisions module
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Plans to bring into D8• Find out more “Drupal 8 media battle-plan”
groups.drupal.org/node/384813• drupal.org/community-initiatives/drupal-core/
file-management
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Display formatting• Additional display formatters
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Display formatting
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File view modes
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Fix it? HALP!
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Remediation • Move files to new directories• Recreate all the files using your new tokens• If you embed “inline” files/images, you’d
have to write a script to find and replace.
• Public files are easier.• Drupal handled files are easier.• Example: Media is embedding a file ID.
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Migrate Module• Use Migrate module to do an in-place
migrate of your own site.
drupal.org/project/migrateWednesday, January 15, 14
Professional help• Acquia Professional Services• Migration services
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acquia.com/resources/webinars/preventing-drupal-headaches-content-type-checklist
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