114 lines
3.9 KiB
Diff
114 lines
3.9 KiB
Diff
From e1b339688e5f8f2a14fe0c7e9d02ad68004e4655 Mon Sep 17 00:00:00 2001
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From: "Richard W.M. Jones" <rjones@redhat.com>
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Date: Thu, 15 Apr 2021 09:18:22 +0100
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Subject: [PATCH] inspection: More reliable detection of Linux split /usr
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configurations
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In RHEL 8+, /usr/etc no longer exists. Since we were looking for this
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directory in order to detect a separate /usr partition, those were no
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longer detected, so the merging of /usr data into the root was not
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being done. The result was incomplete inspection data and failure of
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virt-v2v.
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All Linux systems since forever have had /usr/src but not /src, so
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detect this instead.
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Furthermore the merging code didn't work, because we expected that the
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root filesystem had a distro assigned, but in this configuration we
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may need to look for that information in /usr/lib/os-release (not on
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the root filesystem). This change makes the merging work even if we
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have incomplete information about the root filesystem, so long as we
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have an /etc/fstab entry pointing to the /usr mountpoint.
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Fixes: https://bugzilla.redhat.com/show_bug.cgi?id=1949683
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Fixes: https://bugzilla.redhat.com/show_bug.cgi?id=1930133
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Fixes: commit 394d11be49121884295e61964ed47f5a8488c252
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(cherry picked from commit 26427b9ecc64e7e5e53a1d577cef9dc080d08877)
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---
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daemon/inspect.ml | 33 +++++++++++++++------------------
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daemon/inspect_fs.ml | 6 +++---
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2 files changed, 18 insertions(+), 21 deletions(-)
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diff --git a/daemon/inspect.ml b/daemon/inspect.ml
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index 945a476f6..fb75b4a6c 100644
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--- a/daemon/inspect.ml
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+++ b/daemon/inspect.ml
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@@ -182,11 +182,9 @@ and check_for_duplicated_bsd_root fses =
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and collect_linux_inspection_info fses =
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List.map (
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function
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- | { role = RoleRoot { distro = Some d } } as root ->
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- if d <> DISTRO_COREOS then
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- collect_linux_inspection_info_for fses root
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- else
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- root
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+ | { role = RoleRoot { distro = Some DISTRO_COREOS } } as root -> root
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+ | { role = RoleRoot _ } as root ->
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+ collect_linux_inspection_info_for fses root
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| fs -> fs
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) fses
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@@ -196,29 +194,28 @@ and collect_linux_inspection_info fses =
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* or other ways to identify the OS).
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*)
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and collect_linux_inspection_info_for fses root =
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- let root_distro, root_fstab =
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+ let root_fstab =
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match root with
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- | { role = RoleRoot { distro = Some d; fstab = f } } -> d, f
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+ | { role = RoleRoot { fstab = f } } -> f
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| _ -> assert false in
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try
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let usr =
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List.find (
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function
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- | { role = RoleUsr { distro = d } }
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- when d = Some root_distro || d = None -> true
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+ | { role = RoleUsr _; fs_location = usr_mp } ->
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+ (* This checks that this usr is found in the fstab of
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+ * the root filesystem.
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+ *)
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+ List.exists (
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+ fun (mountable, _) ->
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+ usr_mp.mountable = mountable
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+ ) root_fstab
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| _ -> false
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) fses in
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- let usr_mountable = usr.fs_location.mountable in
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-
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- (* This checks that [usr] is found in the fstab of the root
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- * filesystem. If not, [Not_found] is thrown.
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- *)
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- ignore (
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- List.find (fun (mountable, _) -> usr_mountable = mountable) root_fstab
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- );
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-
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+ eprintf "collect_linux_inspection_info_for: merging:\n%sinto:\n%s"
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+ (string_of_fs usr) (string_of_fs root);
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merge usr root;
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root
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with
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diff --git a/daemon/inspect_fs.ml b/daemon/inspect_fs.ml
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index 6e00c7083..02b5a0470 100644
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--- a/daemon/inspect_fs.ml
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+++ b/daemon/inspect_fs.ml
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@@ -164,10 +164,10 @@ and check_filesystem mountable =
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()
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)
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(* Linux /usr? *)
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- else if Is.is_dir "/etc" &&
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- Is.is_dir "/bin" &&
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- Is.is_dir "/share" &&
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+ else if Is.is_dir "/bin" &&
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Is.is_dir "/local" &&
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+ Is.is_dir "/share" &&
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+ Is.is_dir "/src" &&
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not (Is.is_file "/etc/fstab") then (
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debug_matching "Linux /usr";
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role := `Usr;
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--
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2.18.4
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