source: trunk/debian/rootfs/debian.mk @ 575

Last change on this file since 575 was 575, checked in by amain, 6 years ago

rootfs: Fix #990: Can't create tar of rootfs due to mounted /sys

File size: 9.1 KB
Line 
1# DebWrt - Debian on Embedded devices
2#
3# Copyright (C) 2010 Johan van Zoomeren <amain@debwrt.net>
4#
5# This program is free software: you can redistribute it and/or modify
6# it under the terms of the GNU General Public License as published by
7# the Free Software Foundation, either version 3 of the License, or
8# (at your option) any later version.
9#
10# This program is distributed in the hope that it will be useful,
11# but WITHOUT ANY WARRANTY; without even the implied warranty of
12# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13# GNU General Public License for more details.
14#
15# You should have received a copy of the GNU General Public License
16# along with this program.  If not, see <http://www.gnu.org/licenses/>.
17
18DEBIAN_ROOTFS_INCLUDE_PACKAGES:=$(call qstrip,$(CONFIG_DEBIAN_ROOTFS_INCLUDE_PACKAGES))
19DEBIAN_ROOTFS_QEMU_2ND_STAGE:=$(call qstrip, $(CONFIG_DEBIAN_ROOTFS_QEMU_2ND_STAGE))
20DEBWRT_EXTRA_ROOTFS_FILES_DIR:=$(TOPDIR)/debian/rootfs/files
21DEBWRT_MODULES_ARCHIVE=$(shell ls $(INSTALL_DIR)/debwrt-modules-*.tar.gz 2>/dev/null)
22MODULES_VERSION=$(shell echo `basename $(DEBWRT_MODULES_ARCHIVE) 2>/dev/null` | awk -F '-' '{print $$6}')
23DEBIAN_ROOTFS_INCLUDE_PACKAGES_DEBIAN_VERSION:=$(wildcard debian/rootfs/include_packages.list.$(DEBIAN_BUILD_VERSION))
24
25define qemu-prepare
26        @if [ ! -x $(QEMU_BIN_STATIC) ]; then echo "E: can't find qemu ($(QEMU_BIN_STATIC))"; fi
27        @if [ ! -e /proc/sys/fs/binfmt_misc/qemu-$(TARGET_ARCH) ]; then echo "E: can't find binfmt_misc qemu-$(TARGET_ARCH) ( /proc/sys/fs/binfmt_misc/qemu-$(TARGET_ARCH)).\nE: install qemu-user-static, or\nE: disable second stage with qemu with menuconfig (DEBIAN_ROOTFS_QEMU_2ND_STAGE)."; fi
28        @if [ ! -x $(QEMU_BIN_STATIC) -o ! -e /proc/sys/fs/binfmt_misc/qemu-$(TARGET_ARCH) ]; then echo "E: abort - qemu not available in chroot"; exit 1; fi
29        @if [ ! -e $(ROOTFS_BUILD_DIR)$(QEMU_INTERPRETER) ]; then sudo cp $(QEMU_BIN_STATIC) $(ROOTFS_BUILD_DIR)$(QEMU_INTERPRETER); fi
30        @if ! sudo chroot $(ROOTFS_BUILD_DIR) /bin/ls >/dev/null; then echo "E: qemu can't execute binaries for $(TARGET_ARCH)"; echo "E: abort"; exit 1; fi
31        @if ! (mount | grep -q $(ROOTFS_BUILD_DIR)/proc); then sudo chroot $(ROOTFS_BUILD_DIR) mount -t proc none /proc; fi
32        @if ! (mount | grep -q $(ROOTFS_BUILD_DIR)/sys ); then sudo chroot $(ROOTFS_BUILD_DIR) mount -t sysfs none /sys; fi
33endef
34
35define qemu-cleanup
36        @sudo chroot $(ROOTFS_BUILD_DIR) umount /proc
37        @sudo chroot $(ROOTFS_BUILD_DIR) umount /sys
38        @sudo rm -f $(ROOTFS_BUILD_DIR)$(QEMU_INTERPRETER)
39endef
40
41chr:
42        $(call qemu-prepare)
43        @sudo bash -c "echo "debwrt-$(TARGET_ARCH)" > $(ROOTFS_BUILD_DIR)/etc/debian_chroot"
44        @sudo cp $(ROOTFS_BUILD_DIR)/etc/resolv.conf $(ROOTFS_BUILD_DIR)/etc/resolv.conf_debwrt
45        @sudo bash -c "cat /etc/resolv.conf | grep nameserver >$(ROOTFS_BUILD_DIR)/etc/resolv.conf"
46        @sudo chroot $(ROOTFS_BUILD_DIR)
47        @sudo rm -f $(ROOTFS_BUILD_DIR)/etc/debian_chroot
48        @sudo cp $(ROOTFS_BUILD_DIR)/etc/resolv.conf_debwrt $(ROOTFS_BUILD_DIR)/etc/resolv.conf
49        $(call qemu-cleanup)
50
51debian/rootfs: debian/rootfs/bootstrap         \
52               debian/rootfs/unpack            \
53               debian/rootfs/files-install     \
54               debian/rootfs/debwrt-packages   \
55               debian/rootfs/modules-install   \
56               debian/rootfs/post-setup        \
57               debian/rootfs/second-stage-qemu \
58               debian/rootfs/verify            \
59               debian/rootfs/save
60        @echo "I: root filesystem $(DEBIAN_BUILD_VERSION) $(TARGET_ARCH) prepared in $(ROOTFS_BUILD_DIR)"
61        @echo "I: if the DebWrt kernel wasn't build, then no kernel modules have been installed, install them by:"
62        @echo "I: - make openwrt/all"
63        @echo "I: - make debian/rootfs/modules-install"
64        @echo "I: - or: install manually from alternative source"
65        @echo "I:"
66        @echo "I: install the image to USB-Disk/USB-Stick/SD-Card (make sure it is already mounted at /media/DEBWRT_ROOTFS)"
67        @echo "I: - make debian/rootfs/install"
68        @echo "I:"
69        @echo "I: enter the change root(with qemu) and perform additional post install steps:"
70        @echo "I: - make chr"
71        @echo "I: - apt-get update # example statement ;-) - networking works!"
72        touch $@
73
74debian/rootfs/install: debian/rootfs
75        if [ -d /media/DEBWRT_ROOT ]; then \
76                sudo rm -rf /media/DEBWRT_ROOT/*; \
77                sudo bash -c "tar cf - -C $(ROOTFS_BUILD_DIR) . | tar xf - -C /media/DEBWRT_ROOT"; \
78        fi
79        #touch $@
80
81debian/rootfs/verify:
82        @if [ -f $(ROOTFS_BUILD_DIR)/debootstrap/debootstrap.log ]; then \
83                echo "E: Second stage install was not completed successfully" ;\
84                echo "E: Please check debootstrap.log to inspect the situation:" ;\
85                echo "E:    make chr" ;\
86                echo "E:    vi /debootstrap/debootstrap.log" ;\
87                exit 1 ;\
88        fi
89        touch $@
90
91debian/rootfs/save:
92ifeq ($(DEBIAN_ROOTFS_QEMU_2ND_STAGE),y)
93        sudo bash -c "tar cjf $(INSTALL_DIR)/$(ROOTFS_TAR_BZ2) -C $(ROOTFS_BUILD_DIR) ."
94else
95        if [ -d /media/DEBWRT_ROOT ]; then \
96                sudo bash -c "tar cjf $(ROOTFS_TAR_BZ2) -C /media/DEBWRT_ROOT ."; \
97        fi
98endif
99
100debian/rootfs/files-install: debian/rootfs/bootstrap
101        if [ ! -f $(ROOTFS_BUILD_DIR)/etc/init.d/rcS.debian -a -e $(ROOTFS_BUILD_DIR)/etc/init.d/rcS ]; then \
102                sudo mv -v $(ROOTFS_BUILD_DIR)/etc/init.d/rcS $(ROOTFS_BUILD_DIR)/etc/init.d/rcS.debian; \
103        fi
104        if [ ! -p $(ROOTFS_BUILD_DIR)/dev/initctl ]; then  \
105                sudo mkdir -p $(ROOTFS_BUILD_DIR)/dev;         \
106                sudo mkfifo   $(ROOTFS_BUILD_DIR)/dev/initctl; \
107        fi
108        chmod 600 $(DEBWRT_EXTRA_ROOTFS_FILES_DIR)/etc/ssh/ssh_host_rsa_key
109        chmod 600 $(DEBWRT_EXTRA_ROOTFS_FILES_DIR)/etc/ssh/ssh_host_dsa_key
110        sudo bash -c "tar cf - --exclude=".svn" -C $(DEBWRT_EXTRA_ROOTFS_FILES_DIR) . | tar -xovf - -C $(ROOTFS_BUILD_DIR)"
111        sudo cat $(ROOTFS_BUILD_DIR)/etc/securetty \
112                $(TOPDIR)/debian/rootfs/securetty.tail \
113                >> $(TOPDIR)/securetty.temp
114        sudo mv $(TOPDIR)/securetty.temp $(ROOTFS_BUILD_DIR)/etc/securetty
115        touch $@
116
117debian/rootfs/modules-install: debian/rootfs/bootstrap
118ifneq ($(DEBWRT_MODULES_ARCHIVE),)
119        sudo tar xof $(DEBWRT_MODULES_ARCHIVE) -C $(ROOTFS_BUILD_DIR)
120        #sudo depmod -a -b $(ROOTFS_BUILD_DIR) $(MODULES_VERSION)
121else
122        @echo "W: Can't install kernel module to the change root. Kernel modules archive missing. ($(DEBWRT_MODULES_ARCHIVE))"
123endif
124        touch $@
125
126debian/rootfs/bootstrap: debian/rootfs/clean-rootfs-dir
127        sudo debootstrap --arch=$(TARGET_ARCH)\
128                     --foreign \
129                     --include=$(shell grep -hv '^#' \
130                       $(DEBIAN_ROOTFS_INCLUDE_PACKAGES) $(DEBIAN_ROOTFS_INCLUDE_PACKAGES_DEBIAN_VERSION) \
131                         | sort -u | tr '\n' , | sed -e 's/^/"/' -e 's/,$$/"/' ) \
132                     $(DEBIAN_BUILD_VERSION) \
133                     $(ROOTFS_BUILD_DIR) \
134                     $(CONFIG_DEBIAN_BUILDENV_REPOSITORY)
135        # complete ROOTFS/dev/ with additional device files
136        sudo bash -c "cd $(ROOTFS_BUILD_DIR)/dev ; /sbin/MAKEDEV -v consoleonly"
137        sudo bash -c "cd $(ROOTFS_BUILD_DIR)/dev ; /sbin/MAKEDEV -v sda"
138        touch $@
139
140debian/rootfs/unpack: debian/rootfs/bootstrap
141        find $(ROOTFS_BUILD_DIR) -name "*.deb" | while read deb; do \
142                n=`basename $$deb`; \
143                echo -n "I: Extracting $${n}..."; \
144                sudo bash -c "dpkg --extract "$$deb" $(ROOTFS_BUILD_DIR)" ; \
145                echo "done"; \
146        done
147        touch $@
148
149# install all available cross-compiled debwrt debian packages, except for the kernel-headers package and the cross packages
150debian/rootfs/debwrt-packages: debian/rootfs/bootstrap debian/package/rootfs
151        ls ${INSTALL_DIR_DEBIAN_PACKAGES}/*.deb | grep -v "debwrt-kernel-headers" | grep -v "cross" | while read package; do \
152                pfname=`basename $$package`; \
153                pname=`echo $$pfname | sed 's/_.*//'`; \
154                echo "Installing DebWrt package: $$pname"; \
155                sudo cp $$package $(ROOTFS_BUILD_DIR)/var/cache/apt/archives; \
156                sudo dpkg-deb -x $$package $(ROOTFS_BUILD_DIR); \
157                sudo bash -c "echo \"$$pname /var/cache/apt/archives/$$pfname\" >>$(ROOTFS_BUILD_DIR)/debootstrap/debpaths" ;\
158                sudo sed -i "s/$$/$$pname /" $(ROOTFS_BUILD_DIR)/debootstrap/base ;\
159        done
160        touch $@
161       
162debian/rootfs/clean-rootfs-dir:
163        mkdir -p $(BUILD_DIR_BASE)
164        sudo rm -rf $(ROOTFS_BUILD_DIR)
165        touch $@
166
167debian/rootfs/post-setup: debian/rootfs/bootstrap
168        sudo mkdir -p $(ROOTFS_BUILD_DIR)/etc/apt
169        # note: unfortunately /etc/apt/sources.list is cleaned after running second stage install
170        sudo bash -c "echo \"deb http://ftp.debian.org/debian $(DEBIAN_BUILD_VERSION) main\" > $(ROOTFS_BUILD_DIR)/etc/apt/sources.list"
171        sudo bash -c "echo \"$(DEBWRTVERSION)\" >$(ROOTFS_BUILD_DIR)/etc/debwrt_version"
172        sudo bash -c "echo \"$(DEBIAN_BUILD_VERSION)\" >$(ROOTFS_BUILD_DIR)/etc/debian_release"
173        touch $@
174
175ifeq ($(DEBIAN_ROOTFS_QEMU_2ND_STAGE),y)
176debian/rootfs/second-stage-qemu: debian/rootfs/bootstrap debian/buildenv/qemu-build
177        $(call qemu-prepare)
178        sudo chroot $(ROOTFS_BUILD_DIR) /usr/sbin/PostInstall && sudo rm -f $(ROOTFS_BUILD_DIR)/usr/sbin/PostInstall
179        $(call qemu-cleanup)
180else
181debian/rootfs/second-stage-qemu: debian/rootfs/bootstrap
182        @echo "I: Qemu 2nd stage install disabled. Second stage needs now to be performend on the target device itself."
183        @echo "I: Qemu 2nd stage install can be enabled using menuconfig (DEBIAN_ROOTFS_QEMU_2ND_STAGE)."
184endif
185        touch $@
186
187debian/rootfs/clean:
188        sudo rm -rf $(ROOTFS_BUILD_DIR)
189        rm -f debian/rootfs/debwrt-packages
190        rm -f debian/rootfs/bootstrap
191        rm -f debian/rootfs/install
192        rm -f debian/rootfs/files-install
193        rm -f debian/rootfs/modules-install
194
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