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docs/README: provide base64 encoded example #900

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docs/README: provide base64 encoded example #900

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8 changes: 5 additions & 3 deletions docs/README.md
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Expand Up @@ -62,7 +62,9 @@ locations (i.e. `/etc` and `/var`).

One known ergonomic issue right now for supplying files is that you must encode file contents
via [`data:` URIs](https://en.wikipedia.org/wiki/Data_URI_scheme). This is part of
the current Ignition specification.
the current Ignition specification. The easiest way to encode file contents using this
scheme is via `base64`. See the example MachineConfig below on how to provide `base64`
encoded file contents

In the example below, the `mode` is in octal (notice the leading `0`); however, decimal is the canonical representation for `mode` when inspecting `MachineConfigs` (in the example, it's `420` below).

Expand All @@ -85,7 +87,7 @@ spec:
storage:
files:
- contents:
source: data:,server%20foo.example.net%20maxdelay%200.4%20offline%0Aserver%20bar.example.net%20maxdelay%200.4%20offline%0Aserver%20baz.example.net%20maxdelay%200.4%20offline
source: data:text/plain;charset=utf;base64,c2VydmVyIGZvby5leGFtcGxlLm5ldCBtYXhkZWxheSAwLjQgb2ZmbGluZQpzZXJ2ZXIgYmFyLmV4YW1wbGUubmV0IG1heGRlbGF5IDAuNCBvZmZsaW5lCnNlcnZlciBiYXouZXhhbXBsZS5uZXQgbWF4ZGVsYXkgMC40IG9mZmxpbmUK
filesystem: root
mode: 0644
path: /etc/chrony.conf
Expand All @@ -111,7 +113,7 @@ spec:
storage:
files:
- contents:
source: data:,server%20foo.example.net%20maxdelay%200.4%20offline%0Aserver%20bar.example.net%20maxdelay%200.4%20offline%0Aserver%20baz.example.net%20maxdelay%200.4%20offline
source: data:text/plain;charset=utf;base64,c2VydmVyIGZvby5leGFtcGxlLm5ldCBtYXhkZWxheSAwLjQgb2ZmbGluZQpzZXJ2ZXIgYmFyLmV4YW1wbGUubmV0IG1heGRlbGF5IDAuNCBvZmZsaW5lCnNlcnZlciBiYXouZXhhbXBsZS5uZXQgbWF4ZGVsYXkgMC40IG9mZmxpbmUK
filesystem: root
mode: 420
path: /etc/chrony.conf
Expand Down