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generate systemd: make mounts portable #10506

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merged 1 commit into from
May 31, 2021

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Commit 748826f fixed a bug where slow mounting of the runroot was
causing issues when the units are started at boot. The fix was to add
the container's runroot to the required mounts; the graph root has been
added as well.

Hard-coding the run- and graphroot to the required mounts, however,
breaks the portability of units generated with --now. Those units are
intended to be running on any machine as, theoreticaly, any user.

Make the mounts portable by using the %t macro for the run root.
Since the graphroot's location varies across root and ordinary users,
drop it from the list of required mounts. The graphroot was not causing
issues.

Fixes: #10493
Signed-off-by: Valentin Rothberg rothberg@redhat.com

Commit 748826f fixed a bug where slow mounting of the runroot was
causing issues when the units are started at boot.  The fix was to add
the container's runroot to the required mounts; the graph root has been
added as well.

Hard-coding the run- and graphroot to the required mounts, however,
breaks the portability of units generated with --now.  Those units are
intended to be running on any machine as, theoreticaly, any user.

Make the mounts portable by using the `%t` macro for the run root.
Since the graphroot's location varies across root and ordinary users,
drop it from the list of required mounts.  The graphroot was not causing
issues.

Fixes: containers#10493
Signed-off-by: Valentin Rothberg <rothberg@redhat.com>
@openshift-ci openshift-ci bot added the approved Indicates a PR has been approved by an approver from all required OWNERS files. label May 31, 2021
@vrothberg
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@containers/podman-maintainers PTAL

@rhatdan
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rhatdan commented May 31, 2021

LGTM

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@giuseppe giuseppe left a comment

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/lgtm

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openshift-ci bot commented May 31, 2021

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: giuseppe, vrothberg

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@openshift-ci openshift-ci bot added the lgtm Indicates that a PR is ready to be merged. label May 31, 2021
@openshift-merge-robot openshift-merge-robot merged commit 60b372b into containers:master May 31, 2021
@vrothberg vrothberg deleted the fix-10493 branch May 31, 2021 12:56
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Use Systemd specifiers in the line "RequiresMountsFor=" from "podman generate systemd --new"
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