From: Denys Dmytriyenko <denys@ti.com>
To: Denys Dmytriyenko <denis@denix.org>
Cc: meta-arago@arago-project.org
Subject: Re: [PATCH] init-ifupdown: Fix getting DNS if rootfs is network mount
Date: Mon, 12 Oct 2015 11:17:20 -0400 [thread overview]
Message-ID: <20151012151720.GA28164@edge> (raw)
In-Reply-To: <20151009114933.GF11709@denix.org>
On Fri, Oct 09, 2015 at 07:49:33AM -0400, Denys Dmytriyenko wrote:
> On Fri, Oct 09, 2015 at 07:37:35AM -0400, Jacob Stiffler wrote:
> >
> >
> > On 10/9/2015 7:36 AM, Denys Dmytriyenko wrote:
> > >NAK, this is wrong.
> >
> > What is wrong about it? Is there another way to get the DNS addresses?
>
> You assume dhcp unconditionally w/o consulting /etc/interfaces file from
> init-ifupdown
Moreover, when rootfs is mounted over NFS, the kernel is responsible for
assigning the IP address early on, but it can be either dynamic or static, so
again, defaulting to dhcp here is not entirely correct.
> > >On Fri, Oct 09, 2015 at 07:33:03AM -0400, Jacob Stiffler wrote:
> > >>* Previously, if the rootfs was a network mount, then no network
> > >> configuration was done
> > >>* This included the DHCP request to obtain the DNS addresses
> > >>* If the rootfs is a network mount, then run "udhcpc" to get the DNS
> > >> addresses
> > >>
> > >>Signed-off-by: Jacob Stiffler <j-stiffler@ti.com>
> > >>---
> > >> meta-arago-distro/recipes-core/init-ifupdown/init-ifupdown/init | 5 ++++-
> > >> .../recipes-core/init-ifupdown/init-ifupdown_%.bbappend | 2 +-
> > >> 2 files changed, 5 insertions(+), 2 deletions(-)
> > >>
> > >>diff --git a/meta-arago-distro/recipes-core/init-ifupdown/init-ifupdown/init b/meta-arago-distro/recipes-core/init-ifupdown/init-ifupdown/init
> > >>index 86aff88..235652d 100644
> > >>--- a/meta-arago-distro/recipes-core/init-ifupdown/init-ifupdown/init
> > >>+++ b/meta-arago-distro/recipes-core/init-ifupdown/init-ifupdown/init
> > >>@@ -20,12 +20,15 @@ case "$1" in
> > >> if sed -n 's/^[^ ]* \([^ ]*\) \([^ ]*\) .*$/\1 \2/p' /proc/mounts |
> > >> grep -q "^/ nfs$"; then
> > >> echo "NOT configuring network interfaces: / is an NFS mount"
> > >>+ udhcpc
> > >> elif sed -n 's/^[^ ]* \([^ ]*\) \([^ ]*\) .*$/\1 \2/p' /proc/mounts |
> > >> grep -q "^/ smbfs$"; then
> > >> echo "NOT configuring network interfaces: / is an SMB mount"
> > >>- elif sed -n 's/^[^ ]* \([^ ]*\) \([^ ]*\) .*$/\2/p' /proc/mounts |
> > >>+ udhcpc
> > >>+ elif sed -n 's/^[^ ]* \([^ ]*\) \([^ ]*\) .*$/\2/p' /proc/mounts |
> > >> grep -qE '^(nfs|smbfs|ncp|coda)$'; then
> > >> echo "NOT configuring network interfaces: network shares still mounted."
> > >>+ udhcpc
> > >> else
> > >> echo -n "Configuring network interfaces... "
> > >> ifup -a
> > >>diff --git a/meta-arago-distro/recipes-core/init-ifupdown/init-ifupdown_%.bbappend b/meta-arago-distro/recipes-core/init-ifupdown/init-ifupdown_%.bbappend
> > >>index c0ab069..997adf2 100644
> > >>--- a/meta-arago-distro/recipes-core/init-ifupdown/init-ifupdown_%.bbappend
> > >>+++ b/meta-arago-distro/recipes-core/init-ifupdown/init-ifupdown_%.bbappend
> > >>@@ -1,4 +1,4 @@
> > >> # look for files in this layer first
> > >> FILESEXTRAPATHS_prepend := "${THISDIR}/${PN}:"
> > >>-PR_append = "-arago0"
> > >>+PR_append = "-arago1"
> > >>--
> > >>1.9.1
> > >>
> > >>_______________________________________________
> > >>meta-arago mailing list
> > >>meta-arago@arago-project.org
> > >>http://arago-project.org/cgi-bin/mailman/listinfo/meta-arago
> > >>
> >
> _______________________________________________
> meta-arago mailing list
> meta-arago@arago-project.org
> http://arago-project.org/cgi-bin/mailman/listinfo/meta-arago
prev parent reply other threads:[~2015-10-12 15:17 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-10-09 11:33 [PATCH] init-ifupdown: Fix getting DNS if rootfs is network mount Jacob Stiffler
2015-10-09 11:36 ` Denys Dmytriyenko
2015-10-09 11:37 ` Jacob Stiffler
2015-10-09 11:49 ` Denys Dmytriyenko
2015-10-12 15:17 ` Denys Dmytriyenko [this message]
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