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How to copy selected files to cloudfront

February 24th, 2009
2 comments

If you use my WordPress CDN plugin and amazon cloudfront, you may have problem putting files into s3 storage. Here is a simple way without using any commercial tool if you are using Linux.

First download s3sync . Extract it to somewhere. In this example I used my home directory.

mkdir ~/.s3conf

Edit ~/.s3conf/s3config.yml, which should looks like this

aws_access_key_id: your s3accesskey
aws_secret_access_key: your secret key

Enter wordpress directory

cd wordpress
find * -type f -readable  \( -name \*.css -o -name \*.js -o \
    -name \*.png -o -name \*.jpg -o -name \*.gif -o -name \*.jpeg \) \
    -exec ~/s3sync/s3cmd.rb -v put bucket:prefix/{} {} \
    x-amz-acl:public-read Cache-Control:max-age=604800 \;

Change bucket to your real bucket name. If you don’t need any prefix, do not include slash. Adjust cache-control header. ~/s3sync/s3cmd.rb should point to where you extracted s3sync.

Update 1: Don’t forget install mime-types if you Linux distro didn’t install it by default. Check whether /etc/mime.types exists.

Update 2: s3cmd.rb does not set content-type at all. I think python version does. Any way I wrote a script to redo everything.

#!/bin/sh
 
BUCKET=
#Set your bucket
PREFIX=
#If you want to use prefix set it like PREFIX=blog/
 
find * -type f -readable  -name \*.css -exec ~/s3sync/s3cmd.rb -v put $BUCKET:$PREFIX{} {} \
    x-amz-acl:public-read Cache-Control:max-age=604800 Content-Type:text/css \;
 
find * -type f -readable  -name \*.js -exec ~/s3sync/s3cmd.rb -v put $BUCKET:$PREFIX{} {} \
    x-amz-acl:public-read Cache-Control:max-age=604800 Content-Type:application/x-javascript \;
 
find * -type f -readable  -name \*.png -exec ~/s3sync/s3cmd.rb -v put $BUCKET:$PREFIX{} {} \
    x-amz-acl:public-read Cache-Control:max-age=604800 Content-Type:image/png \;
 
find * -type f -readable  -name \*.gif -exec ~/s3sync/s3cmd.rb -v put $BUCKET:$PREFIX{} {} \
    x-amz-acl:public-read Cache-Control:max-age=604800 Content-Type:image/gif \;
 
find * -type f -readable  \( -name \*.jpg -o -name \*.jpeg \) -exec ~/s3sync/s3cmd.rb -v put $BUCKET:$PREFIX{} {} \
    x-amz-acl:public-read Cache-Control:max-age=604800 Content-Type:image/jpeg \;

Update 3: I just realized cloudfront does not gzip files. So I rewrote my script to force gzip encoding on css and js files.

#!/bin/sh
 
BUCKET=
#Your bucket
PREFIX=
#If you want to use prefix set it like PREFIX=blog/ 
S3CMD=/home/user/s3sync/s3cmd.rb
#Your absolute path to s3cmd.rb
 
find * -type f -readable  -name \*.css -exec sh -c "gzip -9 -c {} > /tmp/s3tmp && \
        $S3CMD -v put $BUCKET:$PREFIX{} /tmp/s3tmp x-amz-acl:public-read Cache-Control:max-age=604800 Content-Type:text/css Content-Encoding:gzip" \;
 
find * -type f -readable  -name \*.js -exec sh -c "gzip -9 -c {} > /tmp/s3tmp && \
        $S3CMD -v put $BUCKET:$PREFIX{} /tmp/s3tmp x-amz-acl:public-read Cache-Control:max-age=604800 Content-Type:application/x-javascript Content-Encoding:gzip" \;
 
find * -type f -readable  -name \*.png -exec $S3CMD -v put $BUCKET:$PREFIX{} {} \
    x-amz-acl:public-read Cache-Control:max-age=604800 Content-Type:image/png \;
 
find * -type f -readable  -name \*.gif -exec $S3CMD -v put $BUCKET:$PREFIX{} {} \
    x-amz-acl:public-read Cache-Control:max-age=604800 Content-Type:image/gif \;
 
find * -type f -readable  \( -name \*.jpg -o -name \*.jpeg \) -exec $S3CMD -v put $BUCKET:$PREFIX{} {} \
    x-amz-acl:public-read Cache-Control:max-age=604800 Content-Type:image/jpeg \;

Update 4: 4/1/2009
I added function to copy a single file or single directory.

#!/bin/sh
if [[  -n $1 ]]; then
LOC=$1
else
LOC="*"
fi
 
BUCKET=
#Your bucket
PREFIX=
#If you want to use prefix set it like PREFIX=blog/ 
S3CMD=/home/user/s3sync/s3cmd.rb
#Your absolute path to s3cmd.rb
 
find $LOC -type f -readable  -name \*.css -exec sh -c "gzip -9 -c {} > /tmp/s3tmp && \
        $S3CMD -v put $BUCKET:$PREFIX{} /tmp/s3tmp x-amz-acl:public-read Cache-Control:max-age=604800 Content-Type:text/css Content-Encoding:gzip" \;
 
find $LOC -type f -readable  -name \*.js -exec sh -c "gzip -9 -c {} > /tmp/s3tmp && \
        $S3CMD -v put $BUCKET:$PREFIX{} /tmp/s3tmp x-amz-acl:public-read Cache-Control:max-age=604800 Content-Type:application/x-javascript Content-Encoding:gzip" \;
 
find $LOC -type f -readable  -name \*.png -exec ${S3CMD} -v put $BUCKET:$PREFIX{} {} \
    x-amz-acl:public-read Cache-Control:max-age=604800 Content-Type:image/png \;
 
find $LOC -type f -readable  -name \*.gif -exec ${S3CMD} -v put $BUCKET:$PREFIX{} {} \
    x-amz-acl:public-read Cache-Control:max-age=604800 Content-Type:image/gif \;
 
find $LOC -type f -readable  \( -name \*.jpg -o -name \*.jpeg \) -exec ${S3CMD} -v put $BUCKET:$PREFIX{} {} \
    x-amz-acl:public-read Cache-Control:max-age=604800 Content-Type:image/jpeg \;

For example if you saved this script to a file name cloudfront:

cd wordpress
cloudfront wp-content/uploads

Without any command line argument this script will upload all file under current directory.

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