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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 Martret1-2/+9
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>
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 Desneux1-0/+149
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>