d279ea84aa
Currently we hardcode the account-related VDF file path in kdump, and expose it in "/etc/default/kdump" - this is unnecessary since this path is not expected to change nor users to mess with it; thanks Emil (@xexaxo) for this suggestion. So, this patch improves things in some ways: (a) Do not expose VDF path or Valve's server URL in user configurable file - no reasons for users to mess with that. (b) Generate "/home" mount point based on DEVNODE, also determine the username based on "getent'ing" the passwd database. See CAVEAT below. (c) Move the VDF parsing to a separate function to clean up the submit log path on submit-report.sh . No functional change is expected after this commit. CAVEAT: Notice that "getent passwd" is *VERY* slow, and if we follow a generic approach of doing it for UID_MIN..UID_MAX, it takes quite some time. So, instead we simplify and just query the user 1000; this might be a bit incomplete, but it's still better than hardcoding a username as it's done until now. Signed-off-by: Guilherme G. Piccoli <gpiccoli@igalia.com>
46 lines
1.9 KiB
Bash
46 lines
1.9 KiB
Bash
#!/bin/sh
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#
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# SPDX-License-Identifier: LGPL-2.1+
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#
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# Copyright (c) 2021 Valve
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#
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# Configuration settings for SteamOS kdump. After _any_ change in this
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# file, it's required to create the kdump minimal initramfs by running:
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# /usr/lib/kdump/kdump-load.sh initrd
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#
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# Mount-related options - the DEVNODE points to the /home directory link;
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# this is used to derive the numerical devnode for kdump, since the link
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# is not present so early in the system boot. The KDUMP_FOLDER will be
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# created if doesn't exist. The KDUMP_MNT is just a temporary file that
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# carries the mounted folder path across boot-time scripts.
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MOUNT_DEVNODE="/dev/disk/by-partsets/shared/home"
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KDUMP_FOLDER="/.steamos/offload/var/kdump"
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KDUMP_MNT="/tmp/kdump.mnt"
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# Kdump controlling settings - for now we don't have network/iscsi dumps, only
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# local storage dumps. If FULL_COREDUMP is !=0, we collect a full compressed
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# vmcore, which might require a lot of disk space. The *_CMD settings refer
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# to tunings on makedumpfile - we rely on zstd compression and maximum page
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# exclusion for the full vmcore, mimic'ing Debian kdump. Finally, GRUB_AUTOSET
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# determines if kdump-steamos should try to automatically set grub.cfg in
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# order to reserve memory for kdump (if needed, i.e., when pstore is not in
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# use) - keep it as '1' for enabling the mechanism (this is the default).
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FULL_COREDUMP=0
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MAKEDUMPFILE_COREDUMP_CMD="-z -d 31"
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MAKEDUMPFILE_DMESG_CMD="--dump-dmesg"
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GRUB_AUTOSET=1
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# Pstore-RAM setting - if enabled, Kdump won't be loaded, instead the Pstore
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# RAM backend will be configured. In order to have success, this operation
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# relies in having an available RAM buffer on /proc/iomem with at least 5MiB
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# in size.
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USE_PSTORE_RAM=1
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# By default, collected logs are submitted automatically to Valve servers.
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# Setting LOG_SUBMISSION to '0' will disable this behavior; but notice that
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# even with the log submission disabled, the logs are saved locally.
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LOG_SUBMISSION=1
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