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install: don't translate unit instances to paths when reenabling them
For unit instances install_info_discover() returns path to the template,
which then generates confusing errors when passed to
do_unit_file_enable():
~# build/systemctl --root=/tmp/systemctl-test.N9ysbz reenable templ1@two.service
Unit name: templ1@two.service; p: /etc/systemd/system/templ1@.service
Removed "/tmp/systemctl-test.N9ysbz/etc/systemd/system/services.target.wants/templ1@two.service".
Failed to reenable templ1@.service, destination unit services.target is a non-template unit.
This can also be seen with a different reproducer using getty@.service
and a simple bind mount to / - there's no error this time, but it tries
to create a symlink for the default instance (from DefaultInstance=tty1),
which is also incorrect:
~# SYSTEMD_LOG_LEVEL=debug systemctl --root /mnt/bindroot/ reenable getty@test.service
Symlink /mnt/bindroot/etc/systemd/system/getty.target.wants/getty@tty1.service → /usr/lib/systemd/system/getty@.service already exists
Follow-up to: 29a7c59abb
Resolves: #24740
This commit is contained in:
parent
ebc7510380
commit
fe6e0cfa19
@ -2894,7 +2894,7 @@ static int normalize_linked_files(
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return log_debug_errno(SYNTHETIC_ERRNO(EISDIR),
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"Unexpected path to a directory \"%s\", refusing.", *a);
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if (!is_path(*a)) {
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if (!is_path(*a) && !unit_name_is_valid(*a, UNIT_NAME_INSTANCE)) {
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r = install_info_discover(&ctx, lp, n, SEARCH_LOAD|SEARCH_FOLLOW_CONFIG_SYMLINKS, &i, NULL, NULL);
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if (r < 0)
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log_debug_errno(r, "Failed to discover unit \"%s\", operating on name: %m", n);
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@ -97,7 +97,7 @@ test ! -e "$root/etc/systemd/system/test1-badalias.target"
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test ! -e "$root/etc/systemd/system/test1-badalias.socket"
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test -h "$root/etc/systemd/system/test1-goodalias2.service"
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: '-------aliases in reeanble----------------------------------'
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: '-------aliases in reeanable----------------------------------'
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( ! "$systemctl" --root="$root" reenable test1 )
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test -h "$root/etc/systemd/system/default.target.wants/test1.service"
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test ! -e "$root/etc/systemd/system/test1-goodalias.service"
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@ -246,6 +246,29 @@ islink "$root/etc/systemd/system/paths.target.wants/link1.path" "/link1.path"
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islink "$root/etc/systemd/system/link1.path" "/link1.path"
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islink "$root/etc/systemd/system/paths.target.wants/link1.path" "/link1.path"
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: '-------link instance and enable-------------------------------------'
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cat >"$root/link-instance@.service" <<EOF
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[Service]
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ExecStart=true
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[Install]
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WantedBy=services.target
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EOF
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"$systemctl" --root="$root" link '/link-instance@.service'
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islink "$root/etc/systemd/system/link-instance@.service" "/link-instance@.service"
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"$systemctl" --root="$root" enable 'link-instance@first.service'
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islink "$root/etc/systemd/system/link-instance@first.service" "/link-instance@.service"
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islink "$root/etc/systemd/system/services.target.wants/link-instance@first.service" "/link-instance@.service"
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SYSTEMD_LOG_LEVEL=debug "$systemctl" --root="$root" reenable 'link-instance@first.service'
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islink "$root/etc/systemd/system/link-instance@first.service" "/link-instance@.service"
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islink "$root/etc/systemd/system/services.target.wants/link-instance@first.service" "/link-instance@.service"
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"$systemctl" --root="$root" disable 'link-instance@first.service'
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test ! -h "$root/etc/systemd/system/link-instance@first.service"
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test ! -h "$root/etc/systemd/system/services.target.wants/link-instance@first.service"
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: '-------manual link------------------------------------------'
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cat >"$root/link3.suffix" <<EOF
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[Install]
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@ -314,6 +337,11 @@ test ! -h "$root/etc/systemd/system/services.target.wants/templ1@.service"
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islink "$root/etc/systemd/system/services.target.wants/templ1@one.service" "/etc/systemd/system/templ1@.service"
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islink "$root/etc/systemd/system/services.target.wants/templ1@two.service" "/etc/systemd/system/templ1@.service"
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"$systemctl" --root="$root" reenable 'templ1@two.service'
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test ! -h "$root/etc/systemd/system/services.target.wants/templ1@.service"
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islink "$root/etc/systemd/system/services.target.wants/templ1@one.service" "/etc/systemd/system/templ1@.service"
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islink "$root/etc/systemd/system/services.target.wants/templ1@two.service" "/etc/systemd/system/templ1@.service"
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"$systemctl" --root="$root" disable 'templ1@one.service'
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test ! -h "$root/etc/systemd/system/services.target.wants/templ1@.service"
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test ! -h "$root/etc/systemd/system/services.target.wants/templ1@one.service"
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