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# Independence from external sources | ||
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In certain situations some customers may need to operate and create machines without making use of external services like DNS or NTP through the internet. To make this possible, all metal-stack components reaching external services need to be configurable with custom endpoints. | ||
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So far, the following components have been identified as requiring changes: | ||
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- pixiecore | ||
- metal-hammer | ||
- metal-images | ||
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More components are likely to be added to the list during processing. | ||
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## pixiecore | ||
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A NTP server endpoint need to be configured on the pixiecore. This can be achieved by providing it through environment variables on start up. | ||
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## metal-hammer | ||
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If using a self-deployed NTP server, also the metal-hammer need to be configured with it. For backward compatibility, default values from `pool.ntp.org` and `time.google.com` are used. | ||
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## metal-images | ||
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Configurations for the `metal-images` are different for machines and firewalls. | ||
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The implementation of this MEP will make metal-stack possible to create and maintain machines without requiring an internet connection. |
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docs/src/external/metalctl/docs/metalctl_size_reservation.md
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# metalctl size reservation | ||
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manage reservation entities | ||
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## Synopsis | ||
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manage size reservations | ||
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## Options | ||
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``` | ||
-h, --help help for reservation | ||
``` | ||
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## Options inherited from parent commands | ||
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``` | ||
--api-token string api token to authenticate. Can be specified with METALCTL_API_TOKEN environment variable. | ||
--api-url string api server address. Can be specified with METALCTL_API_URL environment variable. | ||
-c, --config string alternative config file path, (default is ~/.metalctl/config.yaml). | ||
Example config.yaml: | ||
--- | ||
apitoken: "alongtoken" | ||
... | ||
--debug debug output | ||
--force-color force colored output even without tty | ||
--kubeconfig string Path to the kube-config to use for authentication and authorization. Is updated by login. Uses default path if not specified. | ||
--no-headers do not print headers of table output format (default print headers) | ||
-o, --output-format string output format (table|wide|markdown|json|yaml|template), wide is a table with more columns. (default "table") | ||
--template string output template for template output-format, go template format. | ||
For property names inspect the output of -o json or -o yaml for reference. | ||
Example for machines: | ||
metalctl machine list -o template --template "{{ .id }}:{{ .size.id }}" | ||
--yes-i-really-mean-it skips security prompts (which can be dangerous to set blindly because actions can lead to data loss or additional costs) | ||
``` | ||
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## SEE ALSO | ||
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* [metalctl size](metalctl_size.md) - manage size entities | ||
* [metalctl size reservation apply](metalctl_size_reservation_apply.md) - applies one or more reservations from a given file | ||
* [metalctl size reservation create](metalctl_size_reservation_create.md) - creates the reservation | ||
* [metalctl size reservation delete](metalctl_size_reservation_delete.md) - deletes the reservation | ||
* [metalctl size reservation describe](metalctl_size_reservation_describe.md) - describes the reservation | ||
* [metalctl size reservation edit](metalctl_size_reservation_edit.md) - edit the reservation through an editor and update | ||
* [metalctl size reservation list](metalctl_size_reservation_list.md) - list all reservations | ||
* [metalctl size reservation update](metalctl_size_reservation_update.md) - updates the reservation | ||
* [metalctl size reservation usage](metalctl_size_reservation_usage.md) - see current usage of size reservations | ||
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