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Change _bootstrap_ to _live_ ignition filename in example commands #26553

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bobfuru merged 1 commit into from
Oct 19, 2020
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Change _bootstrap_ to _live_ ignition filename in example commands #26553

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15 changes: 10 additions & 5 deletions modules/installation-user-infra-machines-advanced.adoc
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Original file line number Diff line number Diff line change
Expand Up @@ -272,6 +272,11 @@ or the `ignition.config.url` option will be ignored.
You can embed a live install Ignition config directly in an {op-system} ISO image. When
the ISO image is booted, the embedded config will be applied automatically.

[IMPORTANT]
====
This type of configuration must be created manually and should be avoided if possible, as it is not supported by Red Hat.
====

.Procedure

. Download the `coreos-installer` binary from the following image mirror page: https://mirror.openshift.com/pub/openshift-v4/clients/coreos-installer/latest/.
Expand All @@ -280,15 +285,15 @@ the ISO image is booted, the embedded config will be applied automatically.
+
[source,terminal]
----
# cp rhcos-<version>-live.x86_64.iso bootstrap.ign /mnt/
# cp rhcos-<version>-live.x86_64.iso live.ign /mnt/
# chmod 644 /mnt/rhcos-<version>-live.x86_64.iso
----

. Run the following command to embed the Ignition config into the ISO:
+
[source,terminal]
----
# ./coreos-installer iso ignition embed -i /mnt/bootstrap.ign \
# ./coreos-installer iso ignition embed -i /mnt/live.ign \
/mnt/rhcos-<version>-live.x86_64.iso
----
+
Expand All @@ -304,18 +309,18 @@ Using `coreos-installer iso ignition embed` to embed a file generated by `opensh
+
[source,terminal]
----
# ./coreos-installer iso ignition show /mnt/rhcos-<version>-live.x86_64.iso > mybootstrap.ign
# ./coreos-installer iso ignition show /mnt/rhcos-<version>-live.x86_64.iso > mylive.ign
----
+
[source,terminal]
----
# diff -s bootstrap.ign mybootstrap.ign
# diff -s live.ign mylive.ign
----
+
.Example output
[source,terminal]
----
Files bootstrap.ign and mybootstrap.ign are identical
Files live.ign and mylive.ign are identical
----

. To remove the Ignition config and return the ISO to its pristine state so
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