Question

我想设置一个自定义初始化脚本，以便在yocto的图像中启动时运行，我已经跟随correct answer here - 它与我想要的一样 - 并且因为我使用pyro版本我将这些变量设置为文档中所述的local.conf文件

DISTRO_FEATURES_append =“systemd”

VIRTUAL-RUNTIME_init_manager =“systemd”

DISTRO_FEATURES_BACKFILL_CONSIDERED =“sysvinit”

VIRTUAL-RUNTIME_initscripts =“”

问题是当系统启动时没有调用initscript.service，并且我在/ var / log / messages中找不到东西，尽管脚本和服务文件已经传输并且systemd存在。

我也尝试使用此选项替换yocto中的init

pkg_postinst_keyfile() { #where keyfile is a recipe is added to IMAGE_INSTALL_append
    if [ x"$D" = "x" ]; then
      logger "key file is added"
    else
      exit 1
    fi
}

同样，我无法在日志中找到“密钥文件已添加”的声明，尽管执行了配方并且密钥文件按照预期从配方传输到图像。

那么，正确答案有问题吗？我看到它很好但我不知道问题出在哪里。如果有人能给我一个使用Vinit做等效的实例吗？

目标机器是“qemux86-64”

食谱

我有一个叫做meta-mylayer的图层，它的树是：

CONF / layer.conf

recipes-core / mylayer-initscript /（如上面的链接所述）

食谱核/图像/ apt-image.bb

apt-image 是我在核心最小化及其内容之上构建的图像

    SUMMARY = "An image which add the support of using deb package management"

inherit core-image
include recipescore/images/core-image-minimal.bb

IMAGE_FEATURES += "package-management"
IMAGE_INSTALL_append = "gnupg coreutils keyfile initscript"

IMAGE_LINGUA = " "

LICENSE = "MIT"

IMAGE_ROOTFS_SIZE ?= "16192"


PACKAGE_FEED_URIS = "http://<public ip here>/my-repo/yahia-repo/expiremental \"
PACKAGE_FEED_BASE_PATHS = "deb"
PACKAGE_FEED_ARCHS = "all"

pkg_postinst_keyfile() {
    if [ x"$D" = "x" ]; then
      logger "key file is added"
    else
      exit 1
    fi
}

initscript配方和所有文件与链接中所述相同，没有任何变化。

如果您对密钥文件配方感兴趣，可以使用

#
# The goal of this recipe is to move keyFile to target machine so it can be used as public key for 
# authoriztion of deb repo.
#
# Author: Yahia Farghaly

SUMMARY = "Move keyFile example to /deb_key"
SECTION = "examples"
LICENSE = "MIT"
LIC_FILES_CHKSUM = "file://${COMMON_LICENSE_DIR}/MIT;md5=0835ade698e0bcf8506ecda2f7b4f302"

SRC_URI = "file://keyFile \
           file://sources.list"

#to inform yocto where to package the file
FILES_${PN} += " /deb_key"

S = "${WORKDIR}"


do_install() {
         install -d ${D}/deb_key
         install -m 0755 keyFile ${D}/deb_key
}

当然，我做 bitbake apt-image

服务脚本

[Unit]
Description=start initscript upon first boot

[Service]
Type=simple
ExecStart=/bin/sh -c 'sleep 5 ; /usr/sbin/initscript.sh'

initscript.h

#!/bin/sh

logger "starting initscript"

# do some work here. Mount rootfs as rw if needed.

logger "initscript work done"
echo "hi yahia" > /deb_key/hello

我不确定yocto的rootfs结果是默认的rw还是r-only？

initscript recipe

SUMMARY = "Initial boot script"
DESCRIPTION = "Script to do any first boot init, started as a systemd service which removes itself once finished"
LICENSE = "CLOSED"
PR = "r3"

SRC_URI =  " \
    file://initscript.sh \
    file://initscript.service \
"

inherit allarch systemd

NATIVE_SYSTEMD_SUPPORT = "1"
SYSTEMD_PACKAGES = "${PN}"
SYSTEMD_SERVICE_${PN} = "initscript.service"

do_compile () {
}

do_install () {
    install -d ${D}/${sbindir}
    install -m 0755 ${WORKDIR}/initscript.sh ${D}/${sbindir}

    install -d ${D}${systemd_unitdir}/system/
    install -m 0644 ${WORKDIR}/initscript.service ${D}${systemd_unitdir}/system
}

Answer 1

通过以下对服务脚本的更改为我工作。

[Unit]
Description=start initscript upon first boot

[Service]
Type=simple
ExecStart=/bin/sh -c 'sleep 5 ; /usr/sbin/initscript.sh'

[Install]
WantedBy=multi-user.target

使用yocto

1 个答案: