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Add Private Host IPv4 address to container metadata #2000

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Closed

Add Private Host IPv4 address to container metadata #2000

wants to merge 1 commit into from

Commits on Apr 29, 2019

  1. Add Private Host IPv4 address to container metadata 

    Related issue: aws#1575
Related PR: aws#1730

PR 1730 adds the Public IP Address of the host to the container metadata
file, however the EC2 host may be configured without a public address.

In this case, the EC2 metadata API returns a 404 response, and the host
IP is not available to containers.

Example ECS Agent Log
```
[ERROR] Unable to retrieve Host Instance PublicIPv4 Address: EC2MetadataError: failed to make EC2Metadata request
caused by: <?xml version="1.0" encoding="iso-8859-1"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
         "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
 <head>
  <title>404 - Not Found</title>
 </head>
 <body>
  <h1>404 - Not Found</h1>
 </body>
</html>
```

This commit adds an extra field to the container metadata json,
`HostPrivateIPv4Address` which is available on EC2 hosts without
 a public address.
    Ben Cordero committed Apr 29, 2019
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    58da9df View commit details
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