Re: [PATCH 03/33] 00warpclock: Set correct timezone

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Hi,

On 11/20/14 at 03:56pm, Thomas Renninger wrote:
> From: Hannes Reinecke <hare@xxxxxxx>
> 
> Add module for setting correct timezone.
> References: bnc#830060

I used to implement such functionality but it's reverted later:

commit d27cd4d
Author: Harald Hoyer <harald@xxxxxxxxxx>
Date:   Wed Jul 31 15:55:13 2013 +0200

    Revert "base: setup correct system time and time zone in initrd"

    This reverts commit
    77364fd6bb01ea184db73b1a5ad05da984752293.

    Too many problems with adjtime in the initramfs

    https://bugzilla.redhat.com/show_bug.cgi?id=981617

After that what we do for kdump is to copy /etc/localtime and
/etc/adjtime to initramfs ourselves. In 2nd kernel, systemd will take
care of time zone setup according to these two files.

Thanks
WANG Chao

> 
> Signed-off-by: Thomas Renninger <trenn@xxxxxxx>
> ---
>  modules.d/00warpclock/module-setup.sh | 25 +++++++++++++++++++++++++
>  modules.d/00warpclock/warpclock.sh    |  9 +++++++++
>  2 files changed, 34 insertions(+)
>  create mode 100755 modules.d/00warpclock/module-setup.sh
>  create mode 100755 modules.d/00warpclock/warpclock.sh
> 
> diff --git a/modules.d/00warpclock/module-setup.sh b/modules.d/00warpclock/module-setup.sh
> new file mode 100755
> index 0000000..6bd7abd
> --- /dev/null
> +++ b/modules.d/00warpclock/module-setup.sh
> @@ -0,0 +1,25 @@
> +#!/bin/bash
> +
> +# called by dracut
> +check() {
> +    # hwclock does not exist on S390(x), bail out silently then
> +    local _arch=$(uname -m)
> +    [ "$_arch" = "s390" -o "$_arch" = "s390x" ] && return 1
> +
> +    [ -e /etc/localtime -a -e /etc/adjtime ] || return 1
> +    require_binaries /sbin/hwclock || return 1
> +}
> +
> +# called by dracut
> +depends() {
> +    return 0
> +}
> +
> +# called by dracut
> +install() {
> +    inst /usr/share/zoneinfo/UTC
> +    inst /etc/localtime
> +    inst /etc/adjtime
> +    inst_hook pre-trigger 00 "$moddir/warpclock.sh"
> +    inst /sbin/hwclock
> +}
> diff --git a/modules.d/00warpclock/warpclock.sh b/modules.d/00warpclock/warpclock.sh
> new file mode 100755
> index 0000000..f64818c
> --- /dev/null
> +++ b/modules.d/00warpclock/warpclock.sh
> @@ -0,0 +1,9 @@
> +#!/bin/sh
> +
> +if test -e /etc/adjtime ; then
> +    while read line ; do
> +	if test "$line" = LOCAL ; then
> +	    hwclock --systz
> +	fi
> +    done < /etc/adjtime
> +fi
> -- 
> 1.8.5.2
> 
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