From a9fd786d8d98f90cd60e4b7e1ad01579785c4543 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Zolt=C3=A1n=20Felleg?= <zoltan.felleg@userrendszerhaz.hu>
Date: Tue, 6 Nov 2018 10:08:22 +0100
Subject: [PATCH] Added scripts directory.

---
 .hgignore               |   4 +
 scripts/crt.sh          | 220 ++++++++++++++++++++++++++++++++++++++++
 scripts/dnf.conf.fedora |   9 ++
 scripts/functions       |  61 +++++++++++
 4 files changed, 294 insertions(+)
 create mode 100644 .hgignore
 create mode 100755 scripts/crt.sh
 create mode 100644 scripts/dnf.conf.fedora
 create mode 100644 scripts/functions

diff --git a/.hgignore b/.hgignore
new file mode 100644
index 0000000..70adf6f
--- /dev/null
+++ b/.hgignore
@@ -0,0 +1,4 @@
+style: regexp
+^backups/
+^containers/
+^filesystems/
diff --git a/scripts/crt.sh b/scripts/crt.sh
new file mode 100755
index 0000000..e399d96
--- /dev/null
+++ b/scripts/crt.sh
@@ -0,0 +1,220 @@
+#!/bin/sh
+
+
+USAGE="Usage: $(basename $0) <container name>"
+
+if [ $# -ne 1 ]
+then
+    echo "$USAGE" >&2
+    exit 1
+fi
+
+CONTAINER_NAME=$(basename $1)
+CONTAINER_OS=$(echo $CONTAINER_NAME | sed 's/^.*\.\([^\.]*\)$/\1/')
+CONTAINER_BASENAME=$(basename $CONTAINER_NAME .$CONTAINER_OS)
+case "$CONTAINER_OS" in
+    "f29")
+        DNF_RELEASEVER=29
+        PREV_CONTAINER_OS="f28"
+        ;;
+    "f28")
+        DNF_RELEASEVER=28
+        PREV_CONTAINER_OS="f27"
+        ;;
+    *)
+        echo "Unknown operating system: $CONTAINER_OS" >&2
+        exit 1
+        ;;
+esac
+
+SCRIPT_PATH=$(dirname $(realpath $0))
+BASE_PATH=$(dirname $SCRIPT_PATH)
+BACKUPS_PATH=$BASE_PATH/backups
+BUILD_PATH=$BASE_PATH/build
+FILESYSTEMS_PATH=$BASE_PATH/filesystems
+SOURCES_PATH=$BASE_PATH/sources
+
+if [ -f /etc/lxc/lxc.conf ]
+then
+    LXC_PATH=$(grep '^lxc.lxcpath' /etc/lxc/lxc.conf \
+               | cut -f 2 -d '=' | tr -d ' ')
+else
+    echo "No lxc system configuration found" >&2
+    exit 1
+fi
+
+CONTAINER_PATH=$LXC_PATH/$CONTAINER_NAME
+CONTAINER_BUILD_PATH=$BUILD_PATH/$CONTAINER_NAME
+CONTAINER_FILESYSTEMS_PATH=$FILESYSTEMS_PATH/$CONTAINER_NAME
+CONTAINER_SOURCE_PATH=$SOURCES_PATH/$CONTAINER_NAME
+
+source $SCRIPT_PATH/functions
+RC=$?
+if [ $RC -ne 0 ]
+then
+    echo "Could not source functions: $RC" >&2
+    exit $RC
+fi
+
+################################################################
+# exit if no source exists for the container                   #
+################################################################
+if [ ! -d $CONTAINER_SOURCE_PATH ]
+then
+    echo "No source found for $CONTAINER_NAME" >&2
+    exit 1
+fi
+source $CONTAINER_SOURCE_PATH/envvars
+
+################################################################
+# exit if the container build directory already exists         #
+################################################################
+if [ -d $CONTAINER_BUILD_PATH ]
+then
+    echo "The build directory already exists." >&2
+    exit 1
+fi
+
+echo "Starting at $(date)"
+
+################################################################
+# create and populate the container build directory            #
+################################################################
+echo "Creating the container build directory."
+mkdir --parents $CONTAINER_BUILD_PATH/rootfs
+
+echo "Creating container config and hooks."
+sed --expression="s|__CONTAINER_FILESYSTEMS_PATH__|$CONTAINER_FILESYSTEMS_PATH|" \
+    --expression="s|__CONTAINER_PATH__|$CONTAINER_PATH|" \
+    <$CONTAINER_SOURCE_PATH/config \
+    >$CONTAINER_BUILD_PATH/config
+if [ -d $CONTAINER_SOURCE_PATH/hooks ]
+then
+    cp --archive $CONTAINER_SOURCE_PATH/hooks $CONTAINER_BUILD_PATH
+fi
+
+################################################################
+# execute preinstall phase                                     #
+################################################################
+echo "Executing preinstall phase."
+preinstall $CONTAINER_NAME \
+           $CONTAINER_BUILD_PATH/rootfs \
+           $CONTAINER_SOURCE_PATH
+
+################################################################
+# install packages into the container                          #
+################################################################
+DNF_CONFIG=$SCRIPT_PATH/dnf.conf.fedora
+dnf --assumeyes \
+    --config=$DNF_CONFIG \
+    --disableplugin=fastestmirror \
+    --disablerepo=* \
+    --enablerepo=local-* \
+    --installroot=$CONTAINER_BUILD_PATH/rootfs \
+    --releasever=$DNF_RELEASEVER \
+    install $BASE_PACKAGES $SPEC_PACKAGES
+dnf --assumeyes \
+    --config=$DNF_CONFIG \
+    --disableplugin=fastestmirror \
+    --disablerepo=* \
+    --enablerepo=local-* \
+    --installroot=$CONTAINER_BUILD_PATH/rootfs \
+    --releasever=$DNF_RELEASEVER \
+    clean all
+
+################################################################
+# execute postinstall phase                                    #
+################################################################
+echo "Executing postinstall phase."
+postinstall $CONTAINER_NAME \
+            $CONTAINER_BUILD_PATH/rootfs \
+            $CONTAINER_SOURCE_PATH
+
+################################################################
+# find the old container if it exists                          #
+################################################################
+OLD_CONTAINER_NAME=
+lxc-ls --line | grep "^${CONTAINER_NAME}$" >/dev/null 2>&1
+if [ $? -eq 0 ]
+then
+    OLD_CONTAINER_NAME=$CONTAINER_NAME
+fi
+if [ -z "$OLD_CONTAINER_NAME" ]
+then
+    PREV_CONTAINER_NAME="${CONTAINER_BASENAME}.$PREV_CONTAINER_OS"
+    lxc-ls --line | grep "^${PREV_CONTAINER_NAME}$" >/dev/null 2>&1
+    if [ $? -eq 0 ]
+    then
+        OLD_CONTAINER_NAME=$PREV_CONTAINER_NAME
+    fi
+fi
+if [ -n "$OLD_CONTAINER_NAME" ]
+then
+    OLD_CONTAINER_PATH=$LXC_PATH/$OLD_CONTAINER_NAME
+    OLD_CONTAINER_BACKUP_PATH=$BACKUPS_PATH/$OLD_CONTAINER_NAME
+fi
+
+################################################################
+# rename the backup of the old container if needed             #
+################################################################
+if [ -n "$OLD_CONTAINER_NAME" ]
+then
+    if [ -d $OLD_CONTAINER_BACKUP_PATH ]
+    then
+        rm -Rf ${OLD_CONTAINER_BACKUP_PATH}.old
+        mv $OLD_CONTAINER_BACKUP_PATH ${OLD_CONTAINER_BACKUP_PATH}.old
+    fi
+fi
+
+################################################################
+# shut down the old container if needed                        #
+################################################################
+if [ -n "$OLD_CONTAINER_NAME" ]
+then
+    OLD_CONTAINER_STATE=$(lxc-info --name=$OLD_CONTAINER_NAME --state 2>/dev/null | cut -f 2 -d ':' | tr -d ' ')
+    case "$OLD_CONTAINER_STATE" in
+        "RUNNING")
+            echo "Stopping container $OLD_CONTAINER_NAME"
+            lxc-stop --name=$OLD_CONTAINER_NAME
+            echo "Stopped container $OLD_CONTAINER_NAME"
+            ;;
+        "STOPPED")
+            ;;
+        *)
+            echo "Unknown container state: $OLD_CONTAINER_STATE" >&2
+            exit 1
+            ;;
+    esac
+fi
+
+################################################################
+# back up the old container if needed                          #
+################################################################
+if [ -n "$OLD_CONTAINER_NAME" ]
+then
+    mv $OLD_CONTAINER_PATH $OLD_CONTAINER_BACKUP_PATH
+fi
+
+################################################################
+# move the new container to its place                          #
+################################################################
+mv $CONTAINER_BUILD_PATH $CONTAINER_PATH
+
+################################################################
+# start up the new container                                   #
+################################################################
+echo "Starting container $CONTAINER_NAME"
+lxc-start --name=$CONTAINER_NAME --daemon
+
+echo "Waiting for container $CONTAINER_NAME to start up."
+lxc-wait --name=$CONTAINER_NAME --state=RUNNING
+
+################################################################
+# execute firstboot phase                                      #
+################################################################
+echo "Executing firstboot phase."
+firstboot $CONTAINER_NAME \
+          $CONTAINER_PATH/rootfs \
+          $CONTAINER_SOURCE_PATH
+
+echo "Finishing at $(date)"
diff --git a/scripts/dnf.conf.fedora b/scripts/dnf.conf.fedora
new file mode 100644
index 0000000..10e2d7d
--- /dev/null
+++ b/scripts/dnf.conf.fedora
@@ -0,0 +1,9 @@
+[local-fedora]
+name=Fedora $releasever - $basearch
+baseurl=http://store.usr.user.hu/linux/fedora/releases/$releasever/Everything/$basearch/os/
+gpgcheck=1
+
+[local-updates]
+name=Fedora $releasever - $basearch - Updates
+baseurl=http://store.usr.user.hu/linux/fedora/updates/$releasever/Everything/$basearch/
+gpgcheck=1
diff --git a/scripts/functions b/scripts/functions
new file mode 100644
index 0000000..bb9efe1
--- /dev/null
+++ b/scripts/functions
@@ -0,0 +1,61 @@
+preinstall()
+{
+    CONTAINER_NAME=$1
+    CONTAINER_ROOTFS=$2
+    CONTAINER_SOURCE_PATH=$3
+
+    if [ -d $CONTAINER_SOURCE_PATH/preinstall ]
+    then
+        cp --archive $CONTAINER_SOURCE_PATH/preinstall $CONTAINER_ROOTFS
+        chmod 755 $CONTAINER_ROOTFS/preinstall/*.sh
+        for SCRIPT in $CONTAINER_ROOTFS/preinstall/*.sh
+        do
+            $SCRIPT
+        done
+    fi
+
+    mkdir $CONTAINER_ROOTFS/dev
+    mkdir $CONTAINER_ROOTFS/proc
+    mount -o bind /dev $CONTAINER_ROOTFS/dev
+    mount -t proc proc $CONTAINER_ROOTFS/proc
+}
+
+postinstall()
+{
+    CONTAINER_NAME=$1
+    CONTAINER_ROOTFS=$2
+    CONTAINER_SOURCE_PATH=$3
+
+    if [ -d $CONTAINER_SOURCE_PATH/postinstall ]
+    then
+        cp --archive $CONTAINER_SOURCE_PATH/postinstall $CONTAINER_ROOTFS
+        chmod 755 $CONTAINER_ROOTFS/postinstall/*.sh
+        for SCRIPT in $CONTAINER_ROOTFS/postinstall/*.sh
+        do
+            POSTINSTALL_SCRIPT=$(echo $SCRIPT | sed "s|^$CONTAINER_ROOTFS||")
+            chroot $CONTAINER_ROOTFS $POSTINSTALL_SCRIPT
+        done
+    fi
+
+    umount $CONTAINER_ROOTFS/dev
+    umount $CONTAINER_ROOTFS/proc
+}
+
+firstboot()
+{
+    CONTAINER_NAME=$1
+    CONTAINER_ROOTFS=$2
+    CONTAINER_SOURCE_PATH=$3
+
+    if [ -d $CONTAINER_SOURCE_PATH/firstboot ]
+    then
+        cp --archive $CONTAINER_SOURCE_PATH/firstboot $CONTAINER_ROOTFS
+        chmod 755 $CONTAINER_ROOTFS/firstboot/*.sh
+        for SCRIPT in $CONTAINER_ROOTFS/firstboot/*.sh
+        do
+            FIRSTBOOT_SCRIPT=$(echo $SCRIPT | sed "s|^$CONTAINER_ROOTFS||")
+            echo lxc-attach --name=$CONTAINER_NAME -- $FIRSTBOOT_SCRIPT
+            lxc-attach --name=$CONTAINER_NAME -- $FIRSTBOOT_SCRIPT
+        done
+    fi
+}
-- 
2.54.0