treefile: Deprecate initramfs-args key
#3834
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Let's hold this until coreos/fedora-coreos-config#1828 bakes for a bit. |
cgwalters
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Jul 8, 2022
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One thing I realized is that this hints at composers having an easy way to add files to |
cgwalters
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Jul 8, 2022
rust/src/treefile.rs
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| .map(|v| !v.is_empty()) | ||
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This is equivalent to the single-step .map_or(false, |v| !v.is_empty())) - but I know we use this spelling in other places and it seems fine as is. Just a note. I may just be showing off my Rust combinator brown belt 😉
I agree - though it's worth noting this applies for building new "base images". Anyone who is e.g. writing a |
Users should use `/etc/dracut.conf.d` instead. This option does not work when regenerating the initramfs in the container flow. We'll want to keep supporting it internally for a while in the upgrade code, until all known composers have moved away from it, and reasonably enough time for client systems to get the resulting updated trees. See discussions in coreos#3799.
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cgwalters
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Jul 12, 2022
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In 9997df7 ("Move from `initramfs-args` in manifest to `dracut.conf.d` files"), we migrated FCOS to use dracut dropins rather than CLI args. One notable semantic change was that these dropins were also now inherited by RHCOS. One of the migrated directives was omitting the `iscsi` module. But RHCOS OTOH has always included the `iscsi` dracut module, using `--add iscsi`. This apparent conflict was noted in a comment and deemed safe[[1]]. And in fact, it *did* seem to work at the time, but only because there was a bug in dracut: RHCOS happened to define some `--omit` arguments as well and the bug made it so that the CLI arguments overrode the inherited `omit_dracutmodules` dropin directives rather than being added to them.[[2]] The presence of this bug meant that `--add iscsi` still worked. However, in RHEL9, the bug was fixed[[3]], which meant that we now stopped pulling in the `iscsi` module since it's listed in the set of modules to omit (`--add` arguments cannot undo earlier `--omit`/ `omit_dracutmodules` arguments). The minimal fix needed here is to stop omitting the `iscsi` module. This fixes https://issues.redhat.com/browse/OCPBUGS-19811, where some users had already taken a dep on iSCSI iBFT support for autoconfiguration. It also aligns with efforts to support root-on-iSCSI in the near future, and there's no reason to not have that work happen in FCOS too. A related larger task is to stop using `initramfs-args` in RHCOS since it's now deprecated.[[4]] [1]: coreos#1828 (comment) [2]: dracutdevs/dracut#1341 [3]: dracutdevs/dracut#1342 [4]: coreos/rpm-ostree#3834
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These are all already specified in the `dracut.conf.d` dropins we inherit from FCOS. Part of the move away `initramfs-args`, which is deprecated: coreos/rpm-ostree#3834
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Add context links from git archeology while we're here. Part of the move away `initramfs-args`, which is deprecated: coreos/rpm-ostree#3834
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Sep 28, 2023
This dates back from when we wanted to use NetworkManager in the initrd before it was the default (in RHEL8). It's the default now, so we don't need it anymore. Remove related commented-out lines in `common.yaml` while we're here. Part of the move away `initramfs-args`, which is deprecated: coreos/rpm-ostree#3834
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Sep 28, 2023
It's been a while since we've moved to only propagating NM keyfiles from the initrd to the real root, so we no longer need this. (Note this has no impact on whether ifcfg in the real root is supported, which it still is. It just stops uselessly generating ifcfg files in the initrd.) Part of the move away `initramfs-args`, which is deprecated: coreos/rpm-ostree#3834
jlebon
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Sep 28, 2023
`ignition` is already pulled in by a multitude of dracut modules, and `fips` is already pulled in by `rhcos-fips`. Part of the move away `initramfs-args`, which is deprecated: coreos/rpm-ostree#3834
jlebon
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The `iscsi` module is already included by default in a non-hostonly initramfs. Part of the move away `initramfs-args`, which is deprecated: coreos/rpm-ostree#3834
jlebon
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It's included by default currently so we don't need this. A patch in FCOS will actually make it so that we don't pull it in at all: coreos/fedora-coreos-config#2642 Part of the move away `initramfs-args`, which is deprecated: coreos/rpm-ostree#3834
jlebon
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Sep 29, 2023
`ignition` is already pulled in by a multitude of dracut modules, and `fips` is already pulled in by `rhcos-fips`. Part of the move away `initramfs-args`, which is deprecated: coreos/rpm-ostree#3834
jlebon
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Sep 29, 2023
The `iscsi` module is already included by default in a non-hostonly initramfs. Part of the move away `initramfs-args`, which is deprecated: coreos/rpm-ostree#3834
jlebon
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Sep 29, 2023
In 9997df7 ("Move from `initramfs-args` in manifest to `dracut.conf.d` files"), we migrated FCOS to use dracut dropins rather than CLI args. One notable semantic change was that these dropins were also now inherited by RHCOS. One of the migrated directives was omitting the `iscsi` module. But RHCOS OTOH has always included the `iscsi` dracut module, using `--add iscsi`. This apparent conflict was noted in a comment and deemed safe[[1]]. And in fact, it *did* seem to work at the time, but only because there was a bug in dracut: RHCOS happened to define some `--omit` arguments as well and the bug made it so that the CLI arguments overrode the inherited `omit_dracutmodules` dropin directives rather than being added to them.[[2]] The presence of this bug meant that `--add iscsi` still worked. However, in RHEL9, the bug was fixed[[3]], which meant that we now stopped pulling in the `iscsi` module since it's listed in the set of modules to omit (`--add` arguments cannot undo earlier `--omit`/ `omit_dracutmodules` arguments). The minimal fix needed here is to stop omitting the `iscsi` module. This fixes https://issues.redhat.com/browse/OCPBUGS-19811, where some users had already taken a dep on iSCSI iBFT support for autoconfiguration. It also aligns with efforts to support root-on-iSCSI in the near future, and there's no reason to not have that work happen in FCOS too. A related larger task is to stop using `initramfs-args` in RHCOS since it's now deprecated.[[4]] [1]: #1828 (comment) [2]: dracutdevs/dracut#1341 [3]: dracutdevs/dracut#1342 [4]: coreos/rpm-ostree#3834
HuijingHei
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Oct 10, 2023
In 9997df7 ("Move from `initramfs-args` in manifest to `dracut.conf.d` files"), we migrated FCOS to use dracut dropins rather than CLI args. One notable semantic change was that these dropins were also now inherited by RHCOS. One of the migrated directives was omitting the `iscsi` module. But RHCOS OTOH has always included the `iscsi` dracut module, using `--add iscsi`. This apparent conflict was noted in a comment and deemed safe[[1]]. And in fact, it *did* seem to work at the time, but only because there was a bug in dracut: RHCOS happened to define some `--omit` arguments as well and the bug made it so that the CLI arguments overrode the inherited `omit_dracutmodules` dropin directives rather than being added to them.[[2]] The presence of this bug meant that `--add iscsi` still worked. However, in RHEL9, the bug was fixed[[3]], which meant that we now stopped pulling in the `iscsi` module since it's listed in the set of modules to omit (`--add` arguments cannot undo earlier `--omit`/ `omit_dracutmodules` arguments). The minimal fix needed here is to stop omitting the `iscsi` module. This fixes https://issues.redhat.com/browse/OCPBUGS-19811, where some users had already taken a dep on iSCSI iBFT support for autoconfiguration. It also aligns with efforts to support root-on-iSCSI in the near future, and there's no reason to not have that work happen in FCOS too. A related larger task is to stop using `initramfs-args` in RHCOS since it's now deprecated.[[4]] [1]: coreos#1828 (comment) [2]: dracutdevs/dracut#1341 [3]: dracutdevs/dracut#1342 [4]: coreos/rpm-ostree#3834
HuijingHei
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to HuijingHei/fedora-coreos-config
that referenced
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Oct 10, 2023
In 9997df7 ("Move from `initramfs-args` in manifest to `dracut.conf.d` files"), we migrated FCOS to use dracut dropins rather than CLI args. One notable semantic change was that these dropins were also now inherited by RHCOS. One of the migrated directives was omitting the `iscsi` module. But RHCOS OTOH has always included the `iscsi` dracut module, using `--add iscsi`. This apparent conflict was noted in a comment and deemed safe[[1]]. And in fact, it *did* seem to work at the time, but only because there was a bug in dracut: RHCOS happened to define some `--omit` arguments as well and the bug made it so that the CLI arguments overrode the inherited `omit_dracutmodules` dropin directives rather than being added to them.[[2]] The presence of this bug meant that `--add iscsi` still worked. However, in RHEL9, the bug was fixed[[3]], which meant that we now stopped pulling in the `iscsi` module since it's listed in the set of modules to omit (`--add` arguments cannot undo earlier `--omit`/ `omit_dracutmodules` arguments). The minimal fix needed here is to stop omitting the `iscsi` module. This fixes https://issues.redhat.com/browse/OCPBUGS-19811, where some users had already taken a dep on iSCSI iBFT support for autoconfiguration. It also aligns with efforts to support root-on-iSCSI in the near future, and there's no reason to not have that work happen in FCOS too. A related larger task is to stop using `initramfs-args` in RHCOS since it's now deprecated.[[4]] [1]: coreos#1828 (comment) [2]: dracutdevs/dracut#1341 [3]: dracutdevs/dracut#1342 [4]: coreos/rpm-ostree#3834
aaradhak
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Mar 18, 2024
In 9997df7 ("Move from `initramfs-args` in manifest to `dracut.conf.d` files"), we migrated FCOS to use dracut dropins rather than CLI args. One notable semantic change was that these dropins were also now inherited by RHCOS. One of the migrated directives was omitting the `iscsi` module. But RHCOS OTOH has always included the `iscsi` dracut module, using `--add iscsi`. This apparent conflict was noted in a comment and deemed safe[[1]]. And in fact, it *did* seem to work at the time, but only because there was a bug in dracut: RHCOS happened to define some `--omit` arguments as well and the bug made it so that the CLI arguments overrode the inherited `omit_dracutmodules` dropin directives rather than being added to them.[[2]] The presence of this bug meant that `--add iscsi` still worked. However, in RHEL9, the bug was fixed[[3]], which meant that we now stopped pulling in the `iscsi` module since it's listed in the set of modules to omit (`--add` arguments cannot undo earlier `--omit`/ `omit_dracutmodules` arguments). The minimal fix needed here is to stop omitting the `iscsi` module. This fixes https://issues.redhat.com/browse/OCPBUGS-19811, where some users had already taken a dep on iSCSI iBFT support for autoconfiguration. It also aligns with efforts to support root-on-iSCSI in the near future, and there's no reason to not have that work happen in FCOS too. A related larger task is to stop using `initramfs-args` in RHCOS since it's now deprecated.[[4]] [1]: coreos#1828 (comment) [2]: dracutdevs/dracut#1341 [3]: dracutdevs/dracut#1342 [4]: coreos/rpm-ostree#3834
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Users should use
/etc/dracut.conf.dinstead. This option does not workwhen regenerating the initramfs in the container flow.
We'll want to keep supporting it internally for a while in the upgrade
code, until all known composers have moved away from it, and reasonably
enough time for client systems to get the resulting updated trees.
See discussions in #3799.