How to invalidate CloudFront (CDN) assets?
CloudFront is a global AWS managed Content-Delivery-Network (CDN). Invalidation of a CloudFront asset forces TTL to be timeout immediately. This causes fresh origin request for next CloudFront request for a specific asset (static file, html content).
Preconditions
To invalidate your CloudFront-CDN on your own, request the access permissions by sending an E-Mail to service@root360.de or creating a ticket in the ticket system.
You need access to jumphost with you personal Openssh access key. Access an environment via OpenSSH or Putty
1) List cloudfront endpoints and origin
You need to identify your Cloudfront endpoint id.
cfadmin ls
#Output
Standard Distributions
Status Domain Name Origin
---------------------------------#List Cloudfront endpoints und origin
cfadmin invalidate origin.DOMAIN.TLD /PATH/*----------------------------------------------
Deployed xxxxxxxxx.cloudfront.net <CustomOrigin: origin.DOMAIN.TLD >
CNAME => www.DOMAIN.TLD
CNAME => DOMAIN.TLD
Streaming Distributions
Status Domain Name Origin
--------------------------------------------------------------------------------2) Invalidate a specific path
Invalidation are URL based and can be placed using wildcards * or for specific path. e.g.
#List Cloudfront endpoints und origin
cfadmin invalidate origin.DOMAIN.TLD /PATH/*3) Show Progress of Invalidation
You can check the progress of your invalidation using following command. This command will show ongoing and completed invalidations.
cfadmin listinvalidations origin.DOMAIN.TLD
#Output
HSTKBVTUZTGHGU InProgress [u'/PATH/*']
I2QN3CNUSL0QBX Completed
I1IRI8NQMU78B8 Completed
IANB3CVB310QVD Completed
I1I2GTZ2MK8NFD Completed
I2E2FIUHHHO9PV Completed
I3KIUHHHHU7YWG Completed
I278WÖGIOI5VWF Completed
I3SOHHHHOM5N1S Completed
I1BUHOHOIH9MCO Completed
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