Merge branch 'master' of git.openslx.org:openslx-ng/systemd-init

18 files changed, 94 insertions, 77 deletions

diff --git a/grub2.conf b/grub2.conf
index a50970a1..41205d4f 100755
--- a/grub2.conf
+++ b/grub2.conf
@@ -6,10 +6,11 @@ menuentry 'test' --class centos --class gnu-linux --class gnu --class os --unres
     insmod part_msdos
     insmod xfs
     set root='hd0,msdos1'
-    linux16 /vmlinuz-3.10.0-229.1.2.el7.x86_64 ro vconsole.font=latarcyrheb-sun16 vconsole.keymap=de rd.break=cleanup root=UUID=6c06919a-389a-4a50-8c6b-b086e65db9b0 rd.udev.log-priority=debug ip=10.0.2.15:132.230.4.2:10.0.2.2:255.255.255.0 # NOTE: Prevents dracut console: console=tty0 console=ttyS0,9600 ip=enp0s3:dhcp
-    # selxsrv=132.230.4.2 slxbase=boot/openselx-productive quiet splash vga=current wurstgesicht initrd=http://132.230.4.2/boot/openslx-productive/initramfs-stage31 ip=132.230.4.67:132.230.4.2:132.230.4.254:255.255.255.0 BOOTIF=01-08-00-27-60-49-62 BOOT_IMAGE=http://132.230.4.2/boot/openslx-productive/kernel
+    linux16 /vmlinuz-3.10.0-229.1.2.el7.x86_64 ro vconsole.font=latarcyrheb-sun16 vconsole.keymap=de rd.break root=UUID=6c06919a-389a-4a50-8c6b-b086e65db9b0 rd.udev.log-priority=debug ip=10.0.2.15:132.230.4.2:10.0.2.2:255.255.255.0 # NOTE: Prevents dracut console: console=tty0 console=ttyS0,9600 ip=enp0s3:dhcp root=/dev/nbd0 rootfstype=ext4
+    #linux16 /vmlinuz-3.10.0-229.1.2.el7.x86_64 console=tty0 console=ttyS0,9600 ro vconsole.font=latarcyrheb-sun16 vconsole.keymap=de rd.break rd.debug rd.shell rd.info root=UUID=6c06919a-389a-4a50-8c6b-b086e65db9b0 rd.udev.log-priority=debug ip=10.0.2.15:132.230.4.2:10.0.2.2:255.255.255.0
     initrd16 /initramfs-test.img
 
+    # fully given: selxsrv=132.230.4.2 slxbase=boot/openselx-productive quiet splash vga=current wurstgesicht initrd=http://132.230.4.2/boot/openslx-productive/initramfs-stage31 ip=132.230.4.67:132.230.4.2:132.230.4.254:255.255.255.0 BOOTIF=01-08-00-27-60-49-62 BOOT_IMAGE=http://132.230.4.2/boot/openslx-productive/kernel
     # given:                        ip=132.230.4.67:132.230.4.2:132.230.4.254:255.255.255.0
     # test:                         ip=10.0.2.15:132.230.4.2:10.0.2.2:255.255.255.0
     # working dracut configuration: ip=10.0.2.15::10.0.2.2:255.255.255.0:test:enp0s3:none
diff --git a/readme.md b/readme.md
index 2a66be80..1077fb97 100644
--- a/readme.md
+++ b/readme.md
@@ -306,3 +306,5 @@ dnbd3-client -h 132.230.4.1 -i stage4/torben/test -r 1
 
 > # Installiere qemu-img: @yum install qemu-img@
 > # Installiere nbd: @wget http://dl.fedoraproject.org/pub/epel/6/x86_64/nbd-2.9.20-7.el6.x86_64.rpm && rpm -Uvh nbd-2.9.20-7.el6.x86_64.rpm@
+
+NOTE: Disable NetworkManager to avoid reloading network on boot: systemctl disable NetworkManager
diff --git a/testModule/busybox b/testModule/binaries/busybox
index 1212ae20..1212ae20 100755
--- a/testModule/busybox
+++ b/testModule/binaries/busybox
diff --git a/testModule/dnbd3-client b/testModule/binaries/dnbd3-client
index 76924b49..76924b49 100755
--- a/testModule/dnbd3-client
+++ b/testModule/binaries/dnbd3-client
diff --git a/testModule/binaries/endless b/testModule/binaries/endless
new file mode 100755
index 00000000..de7a8c0a
--- /dev/null
+++ b/testModule/binaries/endless
diff --git a/testModule/binaries/systemd_preserve_process_marker b/testModule/binaries/systemd_preserve_process_marker
new file mode 100755
index 00000000..0181cd80
--- /dev/null
+++ b/testModule/binaries/systemd_preserve_process_marker
diff --git a/testModule/network.functions b/testModule/deprecated/network.functions
index 89ca5a20..89ca5a20 100644
--- a/testModule/network.functions
+++ b/testModule/deprecated/network.functions
diff --git a/testModule/setup_network.sh b/testModule/deprecated/setup_network.sh
index 3b32a68c..3b32a68c 100644
--- a/testModule/setup_network.sh
+++ b/testModule/deprecated/setup_network.sh
diff --git a/testModule/endless.c b/testModule/endless.c
new file mode 100644
index 00000000..22c9bc50
--- /dev/null
+++ b/testModule/endless.c
@@ -0,0 +1,10 @@
+#include <unistd.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdio.h>
+
+int main(int argc, char *argv[]) {
+    // Provides a dummy worker.
+    while (1)
+        sleep(999999999);
+}
diff --git a/testModule/parse-ip.sh b/testModule/hooks/cmdline.sh
index 3349787b..340467df 100644
--- a/testModule/parse-ip.sh
+++ b/testModule/hooks/cmdline.sh
@@ -3,11 +3,6 @@
 
 source /usr/lib/test-library.sh
 
-# TODO
-warn 'LOAD ...........................'
-warn 'LOAD ...........................'
-warn 'LOAD ...........................'
-
 for parameter in $(getargs ip=); do
     local temp="$parameter:"
     set --
@@ -22,8 +17,9 @@ for parameter in $(getargs ip=); do
     [ -n "$4" ] && net_mask=$4
 
     warn "PXE given net configuration: ip: $ip server_ip: $server_ip gateway_ip: $gateway_ip net_mask: $net_mask"
-    # TODO
-    replace_cmd ip "$ip::$gateway_ip:$net_mask:dracut_test_client:enp0s3:none"
+    local final_dracut_ip_config="$ip::$gateway_ip:$net_mask:dracut_test_client:enp0s3:none"
+    warn "Final dracut ip config: $final_dracut_ip_config"
+    replace_cmd ip "$final_dracut_ip_config"
 done
 
 # NOTE: Doesn't work since dracuts needed version of mount doesn't support
diff --git a/testModule/hooks/pre-mount.sh b/testModule/hooks/pre-mount.sh
new file mode 100644
index 00000000..7798622e
--- /dev/null
+++ b/testModule/hooks/pre-mount.sh
@@ -0,0 +1,10 @@
+# TODO
+warn '............START.............'
+
+insmod /usr/lib/modules/3.10.0-229.1.2.el7.x86_64/extra/dnbd3.ko
+local dnbd3_device_node="$(dnbd3-client -h 132.230.4.1 -i stage4/torben/test \
+    -r 1 -d /dev/dnbd0)"
+#qemu-img create -f qcow2 -o \
+#    backing_file="$dnbd3_device_node",backing_fmt=qcow2 /test.qcow2
+#insmod /usr/lib/modules/3.10.0-229.1.2.el7.x86_64/extra/nbd.ko
+#systemd_preserve_process_marker qemu-nbd -c /dev/nbd0 /test.qcow2
diff --git a/testModule/hooks/pre-pivot.sh b/testModule/hooks/pre-pivot.sh
new file mode 100644
index 00000000..8b01779a
--- /dev/null
+++ b/testModule/hooks/pre-pivot.sh
@@ -0,0 +1,12 @@
+# TODO
+warn '............MOUNT.............'
+# TODO
+dnbd3_device_node='/dev/dnbd0'
+mount -o remount,rw /sysroot
+rm /sysroot/test.qcow2
+qemu-img create -f qcow2 -o \
+    backing_file="$dnbd3_device_node",backing_fmt=qcow2 /sysroot/test.qcow2
+insmod /usr/lib/modules/3.10.0-229.1.2.el7.x86_64/extra/nbd.ko
+systemd_preserve_process_marker qemu-nbd --connect /dev/nbd0 /sysroot/test.qcow2 --socket /sysroot/var/lock/qemu-nbd-TEST
+mount /dev/nbd0 /sysroot/TEST
+# strace -ff -o /sysroot/log.txt -p PID
diff --git a/testModule/dnbd3.ko b/testModule/kernel_modules/dnbd3.ko
index d7b7ce3b..d7b7ce3b 100755
--- a/testModule/dnbd3.ko
+++ b/testModule/kernel_modules/dnbd3.ko
diff --git a/testModule/nbd.ko b/testModule/kernel_modules/nbd.ko
index 40b67a92..40b67a92 100644
--- a/testModule/nbd.ko
+++ b/testModule/kernel_modules/nbd.ko
diff --git a/testModule/module-setup.sh b/testModule/module-setup.sh
index ae30de9f..513b9068 100644
--- a/testModule/module-setup.sh
+++ b/testModule/module-setup.sh
@@ -5,12 +5,13 @@ check() {
 }
 
 depends() {
-    echo base network rootfs-block bash kernel-modules systemd shutdown udev-rules debug qemu btrfs
+    echo base network rootfs-block bash kernel-modules debug
+    # systemd
     return 0
 }
 
 installkernel() {
-    instmods dnbd3 nbd ext4 \
+    instmods ext4 mbcache jbd2 \
         ip6t_rpfilter ip6t_REJEiCT ipt_REJECT xt_conntrack ebtable_nat \
         ebtable_broute bridge stp llc ebtable_filter ebtables ip6table_nat \
         nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6 ip6table_mangle \
@@ -20,23 +21,33 @@ installkernel() {
         iptable_filter ip_tables vboxsf sg ppdev snd_intel8x0 snd_ac97_codec \
         ac97_bus serio_raw snd_seq snd_seq_device i2c_piix4 pcspkr snd_pcm \
         parport_pc parport snd_page_alloc snd_timer snd video soundcore e1000 \
-        mperf xfs libcrc32c sd_mod crc_t10dif crct10dif_common sr_mod cdrom \
+        mperf libcrc32c sd_mod crc_t10dif crct10dif_common sr_mod cdrom \
         ata_generic pata_acpi ahci libahci vboxvideo drm i2c_core ata_piix \
         libata vboxguest dm_mirror dm_region_hash dm_log dm_mod
+    # Production: instmods ext4 mbcache jbd2
 }
 
 install() {
     # Loads globally needed useful functions or fixes some native dracut ones.
     inst "$moddir/library.sh" /usr/lib/test-library.sh
-    inst "$moddir/dnbd3-client" /usr/bin/dnbd3-client
-    inst "$moddir/dnbd3.ko" /usr/lib/modules/3.10.0-229.1.2.el7.x86_64/extra/dnbd3.ko
-    inst "$moddir/nbd.ko" /usr/lib/modules/3.10.0-229.1.2.el7.x86_64/extra/nbd.ko
-    # NOTE: Priority has to be greater than the network cmdline parsing hooks
+
+    inst "$moddir/binaries/systemd_preserve_process_marker" /usr/bin/systemd_preserve_process_marker
+    inst "$moddir/binaries/endless" /usr/bin/endless
+    inst "$moddir/binaries/dnbd3-client" /usr/bin/dnbd3-client
+    inst "$moddir/binaries/busybox" /usr/bin/busybox
+
+    inst "$moddir/kernel_modules/dnbd3.ko" /usr/lib/modules/3.10.0-229.1.2.el7.x86_64/extra/dnbd3.ko
+    inst "$moddir/kernel_modules/nbd.ko" /usr/lib/modules/3.10.0-229.1.2.el7.x86_64/extra/nbd.ko
+
+    # NOTE: Priority has to be lower than the network cmdline parsing hooks
     # since we have to modify the some kernel parameter before.
-    inst_hook cmdline 100 "$moddir/parse-ip.sh"
-    inst_hook pre-mount 100 "$moddir/mount-dnbd3.sh"
-    inst_simple "$moddir/busybox" /usr/bin/busybox
-    #inst_hook pre-mount 20 "$moddir/setup_network.sh"
-    inst_multiple lsblk ping ip ifconfig sshd htop dhclient tail head cat vim touch sed lsmod insmod qemu-img qemu-nbd sleep
+    inst_hook cmdline 1 "$moddir/hooks/cmdline.sh"
+    inst_hook pre-mount 10 "$moddir/hooks/pre-mount.sh"
+    inst_hook pre-pivot 10 "$moddir/hooks/pre-pivot.sh"
+
+    inst_multiple lsblk ping ip ifconfig sshd htop dhclient tail head cat vim \
+        touch sed lsmod insmod qemu-img qemu-nbd sleep route wget find lsof \
+        strace chroot switch_root pivot_root
+    # Production: inst_multiple insmod qemu-img qemu-nbd
     return 0
 }
diff --git a/testModule/mount-dnbd3.sh b/testModule/mount-dnbd3.sh
deleted file mode 100644
index 9629a153..00000000
--- a/testModule/mount-dnbd3.sh
+++ /dev/null
@@ -1,15 +0,0 @@
-insmod /usr/lib/modules/3.10.0-229.1.2.el7.x86_64/extra/dnbd3.ko
-
-dnbd3-client --daemon &
-sleep 2
-local dnbd3_device_node="$(dnbd3-client -h 132.230.4.1 -i stage4/torben/test -r 1)"
-
-qemu-img create -f qcow2 -o backing_file="$dnbd3_device_node",backing_fmt=qcow2 /tmp/test.qcow2
-insmod /usr/lib/modules/3.10.0-229.1.2.el7.x86_64/extra/nbd.ko
-qemu-nbd -c /dev/nbd0 /tmp/test.qcow2
-mkdir /mnt
-mount /dev/nbd0 /mnt
-
-warn '............JAU.............'
-warn '............JAU.............'
-warn '............JAU.............'
diff --git a/testModule/systemd_preserve_process_marker.c b/testModule/systemd_preserve_process_marker.c
new file mode 100644
index 00000000..172a5546
--- /dev/null
+++ b/testModule/systemd_preserve_process_marker.c
@@ -0,0 +1,31 @@
+#include <unistd.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdio.h>
+
+void print_array(int argc, char *argv[]) {
+    // Helper function to print given array with given length.
+    int i = 0;
+    int j = 0;
+    for (i = 0; i < argc; i ++) {
+        j = 0;
+        while(argv[i][j] != '\0')
+            printf("%c", argv[i][j++]);
+        printf(" ");
+    }
+    printf("\n");
+}
+int main(int argc, char *argv[]) {
+    int count;
+    char **copy = malloc(sizeof(char *) * (argc-1));
+    for (count = 0; count < argc - 1; count++)
+        copy[count] = strdup(argv[count + 1]);
+    // Adding systemd indicator to preserve wrapped process during changing
+    // root filesystem. We mark wrapper and child process.
+    copy[0][0] = '@';
+    argv[0][0] = '@';
+    if (-1 == execvp(argv[1], copy)) {
+        perror("child process execve failed [%m]");
+        return -1;
+    }
+}
diff --git a/testModule/wrap.c b/testModule/wrap.c
deleted file mode 100644
index 0f118235..00000000
--- a/testModule/wrap.c
+++ /dev/null
@@ -1,41 +0,0 @@
-#include <unistd.h>
-#include <stdlib.h>
-#include <string.h>
-#include <stdio.h>
-
-void arg_print(int argc, char *argv[]) {
-	int i = 0;
-	int j = 0;
-	for (i = 0; i < argc; i ++) {
-		j = 0;      
-		while(argv[i][j] != '\0')
-			printf("%c", argv[i][j++]);
-			
-		printf(" ");
-	}
-	printf("\n");
-}
-
-
-int main(int argc, char *argv[]) {
-
-	arg_print(argc, argv);
-
-   int count;
-	char **copy = malloc(sizeof(char *) * (argc-1));
-	for ( count = 0; count < argc - 1; count++ ) {
-		copy[count] = strdup(argv[count + 1]);
-	}
-
-	arg_print(argc - 1, copy);
-
-	copy[0][0] = '@';
-	argv[0][0] = '@';
-
-	arg_print(argc - 1, copy);
-
-	if (-1 == execvp(argv[1], copy)) {
-		perror("child process execve failed [%m]");
-		return -1;
-	}
-}