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2020-03-12Update netboot initrd to persist the nbd connectionJan-Simon Moeller1-1/+1
Use -persist option for nbd. Bug-AGL: SPEC-3221 Bug-AGL: SPEC-3232 Signed-off-by: Jan-Simon Moeller <jsmoeller@linuxfoundation.org> Change-Id: Ia2eb94eeb3882b6546ebe9df04befdd42c99bd15
2019-10-23meta-netboot: don't use 'ip' command to detect boot interfaceStephane Desneux1-3/+29
This patch changes the method to detect the current network interface used for netboot. Instead of using the 'ip' command, it parses the content of /sys/class/net/* to detect the first running ethernet interface. Two new messages are now visible on the console in initramfs phase: -------------------------------------------------- /sbin/init[1]: find_active_interface: first active interface is eth0 /sbin/init[1]: Adjusting Connman command line. Will be: 'connmand -r -n -I eth0' -------------------------------------------------- Background: When booting using netboot, it's necessary to update connman command line options to ignore the network interface used for NBD connection. For this, the initramfs script tries to detect the interface in use by running 'ip -o link show state'. 'ip' command comes with iproute2 package but for various reasons, some AGL images like m3ulcb-nogfx don't have iproute2 installed. In this case, the 'ip' command is implemented by busybox, which doesn't support the '-o' option. This leads to issues when running connman as the command line is not properly updated. Bug-AGL: SPEC-2921 Change-Id: I5691f04ab462a148219b741d235247a2bfbc2e24 Signed-off-by: Stephane Desneux <stephane.desneux@iot.bzh>
2019-07-12netboot: adjust SMACK label for /etc/resolv.confStephane Desneux1-0/+1
When using netboot, the kernel is responsible for establishing the IP connection. For this reason, connman is instructed to "forget" this boot interface and /etc/resolv.conf is generated by the initrd script (from /proc/net/pnp). This patch removes the previously set SMACK label 'System' so file has label _, which makes it readable by any process. Bug-AGL: SPEC-2640 Change-Id: I13704827434a795aab2264755dc01ec796be8847 Signed-off-by: Stephane Desneux <stephane.desneux@iot.bzh>
2019-07-07netboot: systemd must mount /tmp and /runStephane Desneux1-2/+8
When using netboot, the initrd script mounts /tmp and /run before pivoting on the new rootfs and then running systemd. As a consequence, systemd doesn't try to remount /tmp or /run (and the correct smack labels are not applied on /tmp and /run, leading to many issues). This patch unmounts /tmp and /run just before running systemd which will then mount them with correct labels. Bug-AGL: SPEC-2596 Change-Id: I4cd7b67f04c232a6e48c777fb5fefa6c46f6744a Signed-off-by: Stephane Desneux <stephane.desneux@iot.bzh>
2019-06-21Add support for nbd protocol v3Ronan Le Martret2-3/+12
Add a new cmdline argument using option 'nbd.v3' that could be parsed by the initrd script used for netboot. Bug-AGL: SPEC-1423 Change-Id: I1cd189c343672631feda5bcee2e393eb46b9d000 Signed-off-by: Ronan Le Martret <ronan.lemartret@iot.bzh>
2018-02-22Hotfix for db410 on rockoJan-Simon Möller1-1/+4
The db410c build uses IMAGE_FSTYPES_append which is a bad idea and should be changed to IMAGE_FSTYPES ?= Anyway - add a hotfix directly in the recipes. Change-Id: I163e4fdccfc890085cf98571dcf5d7bf21cffadd Signed-off-by: Jan-Simon Möller <jsmoeller@linuxfoundation.org>
2017-06-28Fix rpi-sdimg after IMAGE_FSTYPE being enforced in poky-agl.confJan-Simon Möller1-1/+1
This changeset fixes the case of the rpi-sdimg which was broken by the IMAGE_FSTYPE setting introduced in poky-agl.conf (distro-wide). A new variable AGL_EXTRA_IMAGE_FSTYPES is available now and only used in AGL (target) images. Reasoning for this solution: - any modifications to IMAGE_FSTYPES will also affect things like the initramfs or initrd images. - we minimized the disk-space requirements by reusing the ext4.xz for the rpi-sdimg Bug-AGL: SPEC-492 Change-Id: I07fd51dbcf334653cd6033b7ccb663c4d4ed8578 Signed-off-by: Jan-Simon Möller <jsmoeller@linuxfoundation.org> Reviewed-on: https://gerrit.automotivelinux.org/gerrit/9887 Tested-by: Jenkins Job builder account <agl-jobbuilder@automotivelinux.org> ci-image-build: Jenkins Job builder account <agl-jobbuilder@automotivelinux.org>
2017-06-23meta-agl-netboot: increase IMAGE_ROOTFS_EXTRA_SPACEStephane Desneux1-0/+1
More room is needed when installing debug packages or big components like Chromium. Also, IMAGE_ROOTFS_EXTRA_SPACE was overridden by another unidentified configuration file or recipe: the setting is now forced. Consequently, the extra space must be reduced specifically for initrd. Change-Id: Id9b7659197c0840c04bce048a7bb1d96c77f3cc9 Signed-off-by: Stephane Desneux <stephane.desneux@iot.bzh> Reviewed-on: https://gerrit.automotivelinux.org/gerrit/9779 Tested-by: Jenkins Job builder account <agl-jobbuilder@automotivelinux.org> ci-image-build: Jenkins Job builder account <agl-jobbuilder@automotivelinux.org> Reviewed-by: Jan-Simon Moeller <jsmoeller@linuxfoundation.org>
2016-06-19meta-netboot: generate appropriate resolv.conf from /proc/net/pnpStephane Desneux1-2/+5
Change-Id: I5867a08162b1d9405c769c25d066c2d1e813bca8 Signed-off-by: Stephane Desneux <stephane.desneux@iot.bzh>
2016-06-10meta-netboot: mount remote filesystem with 'noatime' optionStephane Desneux1-1/+1
Change-Id: I7486c7b785673f0833409267f52db5c09663fcba Signed-off-by: Stephane Desneux <stephane.desneux@iot.bzh>
2016-05-29add layer meta-netboot to enable network boot over NBD (Network Block Device)Stephane Desneux5-0/+194
To enable the build of network bootable images, the following line must be added to conf/local.conf: INHERIT += "netboot" This layer contains recipes for the following components: * busybox: activate the built-in NBD client * initramfs-netboot: contains the init script started by the kernel, responsible for mounting the remote root filesystem then pivoting and exec'ing systemd * initramfs-netboot-image: image to specify for building the initrd More details are available in meta-netboot/README. Bug-AGL: SPEC-175 Change-Id: Id2328dd9233d238cde77311e64e58344be244988 Signed-off-by: Stephane Desneux <stephane.desneux@iot.bzh>