tapt caching proof of concept - libdevuansdk - common library for devuan's simple distro kits
(HTM) git clone https://git.parazyd.org/libdevuansdk
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---
(DIR) commit a92a5aee8dafe76cd0605d82521b0bd2b35c5204
(DIR) parent fa06bc6308eee6da3aecce1d42cb59afcbe5ca3a
(HTM) Author: parazyd <parazyd@dyne.org>
Date: Sun, 21 May 2017 19:11:10 +0200
apt caching proof of concept
Diffstat:
A apt-cache/Packages.gz | 0
M config | 7 +++++--
M zlibs/bootstrap | 2 --
M zlibs/helpers | 60 ++++++++++++++++++++++++++++++--
M zlibs/iso | 1 -
M zlibs/sysconf | 2 ++
6 files changed, 65 insertions(+), 7 deletions(-)
---
(DIR) diff --git a/apt-cache/Packages.gz b/apt-cache/Packages.gz
Binary files differ.
(DIR) diff --git a/config b/config
t@@ -20,15 +20,18 @@
## libdevuansdk configuration
vars+=(release version mirror section blend_name image_name vm_name)
-vars+=(arch earch)
+vars+=(arch earch aptcachedir APT_CACHE)
vars+=(usercredentials rootcredentials)
arrs+=(core_packages base_packages purge_packages blend_packages)
+## enable local apt cache
+APT_CACHE=1
+aptcachedir="$LIBPATH/apt-cache"
os="devuan"
release="jessie"
-version="1.0.0-RC2"
+version="1.0.0"
mirror="http://auto.mirror.devuan.org/merged"
section="main"
(DIR) diff --git a/zlibs/bootstrap b/zlibs/bootstrap
t@@ -100,7 +100,6 @@ apt-get --yes --force-yes install ${core_packages}
apt-get --yes --force-yes install ${base_packages}
apt-get --yes --force-yes purge ${purge_packages}
apt-get --yes --force-yes autoremove
-apt-get clean
rm -f /debconf.set
rm -f /etc/ssh/ssh_host_*
t@@ -174,7 +173,6 @@ done
apt-get --yes --force-yes upgrade
apt-get --yes --force-yes install ${extra_packages}
apt-get --yes --force-yes autoremove
-apt-get clean
EOF
chroot-script -d postunpack || zerr
(DIR) diff --git a/zlibs/helpers b/zlibs/helpers
t@@ -60,6 +60,7 @@ build_iso_dist() {
iso_write_isolinux_cfg || { zerr; wrapup }
#[[ $INSTALLER = 1 ]] && iso_setup_installer || zerr
blend_postinst || { zerr; wrapup }
+ fill_apt_cache || { zerr; wrapup }
iso_squash_strap || { zerr; wrapup }
iso_xorriso_build || { zerr; wrapup }
}
t@@ -257,7 +258,6 @@ for deb in ${custom_deb_packages}; do
done
cd /
apt-get autoremove
-apt-get clean
rm -rf /debs
EOF
chroot-script install-debs
t@@ -269,6 +269,7 @@ chroot-script() {
ckreq || return 1
mkdir -p "$R/log"
+
case "x$1" in
x-d)
local script="$2"
t@@ -278,6 +279,7 @@ chroot-script() {
## logging
sudo sed -i "$strapdir/$script" \
-e 's@#!/bin/sh@#!/bin/sh\'$'\nset -x ; exec 2>/'$script'.log@'
+
notice "chrooting to execute $script..."
sudo chmod +x "$strapdir/$script" || zerr
sudo -E chroot "$strapdir" "/$script" || zerr
t@@ -288,15 +290,18 @@ chroot-script() {
;;
*)
local script="$1"
+ [[ "$APT_CACHE" = 1 ]] && { aptcache on "$strapdir/mnt" || zerr }
## logging
sudo sed -i "$strapdir/$script" \
-e 's@#!/bin/sh@#!/bin/sh\'$'\nset -x ; exec 2>/'$script'.log@'
notice "chrooting to execute $script..."
- sudo chmod +x "$strapdir/$script" || zerr
+ sudo chmod +x "$strapdir/$script" || zerr
sudo -E chroot "$strapdir" "/$script" || zerr
sudo mv -f "$strapdir/${script}.log" "$R/log/"
+
+ [[ "$APT_CACHE" = 1 ]] && { aptcache off "$strapdir/mnt" || zerr }
;;
esac
t@@ -352,6 +357,57 @@ blend_postinst() {
return 0
}
+aptcache() {
+ fn aptcache "$*"
+ req=(aptcachedir watdo werdo APT_CACHE)
+ local watdo="$1"
+ local werdo="$2"
+ ckreq || return 1
+
+ [[ $APT_CACHE = 1 ]] || return 0
+
+ case "$watdo" in
+ on)
+ act "mounting local apt cache"
+ sudo mount -o bind "$aptcachedir" "$werdo" || zerr
+ ;;
+ off)
+ act "umounting local apt cache"
+ sudo umount "$werdo" || zerr
+ ;;
+ esac
+}
+
+fill_apt_cache() {
+ fn fill_apt_cache
+ req=(strapdir APT_CACHE)
+ ckreq || return 1
+
+ [[ $APT_CACHE = 1 ]] || return 0
+
+ notice "filling local apt cache"
+
+ cat <<EOF | sudo tee ${strapdir}/fill-apt-cache >/dev/null
+#!/bin/sh
+
+# NOTE: do we need apt update or does it read the remote(s)?
+apt-get update
+apt-get install dpkg-dev
+
+cp -afv /var/cache/apt/archives/*.deb /mnt
+cd /mnt
+dpkg-scanpackages . /dev/null | gzip -9c > Packages.gz
+cd -
+
+apt-get purge dpkg-dev
+
+sed -i -e "@deb file:/mnt@d" /etc/apt/sources.list
+apt-get update
+
+EOF
+ chroot-script fill-apt-cache || zerr
+}
+
silly() {
fn silly "$@"
local arg1="$1"
(DIR) diff --git a/zlibs/iso b/zlibs/iso
t@@ -33,7 +33,6 @@ iso_prepare_strap() {
apt-get update
apt-get --yes --force-yes install dialog live-boot live-boot-initramfs-tools
apt-get --yes --force-yes autoremove
-apt-get clean
EOF
chroot-script -d isoprep || zerr
(DIR) diff --git a/zlibs/sysconf b/zlibs/sysconf
t@@ -118,6 +118,8 @@ conf_print_sourceslist() {
ckreq || return 1
cat <<EOF
+deb file:/mnt ./
+
## package repositories
deb ${mirror} ${release} ${section}
deb ${mirror} ${release}-updates ${section}