For Eucalyptus 4.0.1 requesting metadata seem to work differently as with EC2.
In Euca:
> curl http://169.254.169.254/2009-04-04
<?xml version="1.0"?><Response><Errors><Error><Code>404 Not Found</Code><Message>unknown</Message></Error></Errors><RequestID>unknown</RequestID></Response>core@localhost ~ $
> curl http://169.254.169.254/2009-04-04/
dynamic
meta-data
user-data
In AWS EC2
> curl http://169.254.169.254/2009-04-04
"" (zero bytes)
> curl http://169.254.169.254/2009-04-04/
dynamic
meta-data
user-data
As the isAvailable() function in metadata.go tests only for errorcode
it fails in Euca.
- Explicitly specify all of the valid options for etcd
- Remove the default name generation (ETCD_NAME is set by its unit file now)
- Seperate the etcd config from Units()
- Remove support for DISCOVERY_URL
- Add YAML tags for the fields
- **runtime**: Boolean indicating whether or not to persist the unit across reboots. This is analogous to the `--runtime` argument to `systemctl enable`. Default value is false.
- **enable**: Boolean indicating whether or not to handle the [Install] section of the unit file. This is similar to running `systemctl enable <name>`. Default value is false.
- **runtime**: Boolean indicating whether or not to persist the unit across reboots. This is analogous to the `--runtime` argument to `systemctl enable`. The default value is false.
- **enable**: Boolean indicating whether or not to handle the [Install] section of the unit file. This is similar to running `systemctl enable <name>`. The default value is false.
- **content**: Plaintext string representing entire unit file. If no value is provided, the unit is assumed to exist already.
- **command**: Command to execute on unit: start, stop, reload, restart, try-restart, reload-or-restart, reload-or-try-restart. Default value is restart.
- **mask**: Whether to mask the unit file by symlinking it to `/dev/null` (analogous to `systemctl mask <name>`). Note that unlike `systemctl mask`, **this will destructively remove any existing unit file** located at `/etc/systemd/system/<unit>`, to ensure that the mask succeeds. Default value is false.
- **command**: Command to execute on unit: start, stop, reload, restart, try-restart, reload-or-restart, reload-or-try-restart. The default behavior is to not execute any commands.
- **mask**: Whether to mask the unit file by symlinking it to `/dev/null` (analogous to `systemctl mask <name>`). Note that unlike `systemctl mask`, **this will destructively remove any existing unit file** located at `/etc/systemd/system/<unit>`, to ensure that the mask succeeds. The default value is false.
**NOTE:** The command field is ignored for all network, netdev, and link units. The systemd-networkd.service unit will be restarted in their place.
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