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Use ccache to cache all compiles between builds.

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Many python extensions are built from source each time an image is
built. Repeating these is wasteful, so ccache is employed to eliminate
that waste. A cache dir outside the chroot is used to speed up
subsequent image builds.

Change-Id: Ib73563ddbe5f3be7454bfc54ab91cedb559a1304
This commit is contained in:
Clint Byrum 2013-07-09 15:03:58 -07:00
parent 3464064a87
commit f6cc6bb185
5 changed files with 15 additions and 0 deletions
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5
elements/base/environment.d/10-ccache.bash Normal file
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@ -0,0 +1,5 @@
# Put ccache in path for known compilers
if ! [[ "$PATH" =~ "/usr/lib/ccache" ]] ; then
export PATH=/usr/lib/ccache:$PATH
fi
export CCACHE_DIR=/tmp/ccache

2
elements/base/install.d/00-ccache Executable file
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@ -0,0 +1,2 @@
#!/bin/bash
install-packages ccache

1
lib/img-defaults
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@ -20,3 +20,4 @@ FS_TYPE=${FS_TYPE:-ext4}
# Used to set the file extension only at this stage.
IMAGE_TYPE=${IMAGE_TYPE:-qcow2}
IMAGE_NAME=${IMAGE_NAME:-image}
DIB_CCACHE_DIR=${DIB_CCACHE_DIR:-~/.cache/image-create/ccache}

6
lib/img-functions
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@ -20,6 +20,7 @@ function unmount_image () {
sudo umount -f $TMP_BUILD_DIR/mnt/proc || true
sudo umount -f $TMP_BUILD_DIR/mnt/dev || true
sudo umount -f $TMP_BUILD_DIR/mnt/tmp/in_target.d || true
sudo umount -f $TMP_BUILD_DIR/mnt/tmp/ccache || true
# give it a second (ok really 5) to umount XXX - why? should instead track
# the mount data / lsof etc.
sleep 5
@ -73,11 +74,16 @@ function run_d_in_target () {
sudo mkdir $TMP_MOUNT_PATH/tmp/in_target.d
sudo mount --bind ${TMP_HOOKS_PATH} $TMP_MOUNT_PATH/tmp/in_target.d
sudo mount -o remount,ro,bind ${TMP_HOOKS_PATH} $TMP_MOUNT_PATH/tmp/in_target.d
sudo mkdir -p $TMP_MOUNT_PATH/tmp/ccache
mkdir -p $DIB_CCACHE_DIR
sudo mount --bind $DIB_CCACHE_DIR $TMP_MOUNT_PATH/tmp/ccache
check_break before-$1 run_in_target bash
run_in_target dib-run-parts /tmp/in_target.d/$1.d
check_break after-$1 run_in_target bash
sudo umount -f $TMP_MOUNT_PATH/tmp/in_target.d
sudo rmdir $TMP_MOUNT_PATH/tmp/in_target.d
sudo umount -f $TMP_MOUNT_PATH/tmp/ccache || true
sudo rmdir $TMP_MOUNT_PATH/tmp/ccache
fi
}

1
sudoers.d/img-build-sudoers
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@ -20,6 +20,7 @@ ALL ALL=(root) NOPASSWD: /bin/mkdir -p /tmp/*/mnt/*
ALL ALL=(root) NOPASSWD: /bin/mkdir /tmp/*/mnt/*
ALL ALL=(root) NOPASSWD: /bin/mount --bind /dev /tmp/*/mnt/dev
ALL ALL=(root) NOPASSWD: /bin/mount --bind /tmp/*/hooks /tmp/*/mnt/tmp/in_target.d
ALL ALL=(root) NOPASSWD: /bin/mount --bind */.cache/image-create/ccache /tmp/*/mnt/tmp/ccache
ALL ALL=(root) NOPASSWD: /bin/mount -o remount\,ro\,bind /tmp/*/hooks /tmp/*/mnt/tmp/in_target.d
ALL ALL=(root) NOPASSWD: /bin/mount -t proc none /tmp/*/mnt/proc
ALL ALL=(root) NOPASSWD: /bin/mount -t sysfs none /tmp/*/mnt/sys