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Merge pull request #14588 from puffnfresh/bug/remove-docker-tarballs

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dockerTools: remove "tarballs" attribute
This commit is contained in:
Luca Bruno 2016-04-13 21:01:01 +02:00
commit 6d8845ed8f
1 changed files with 18 additions and 58 deletions
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76
pkgs/build-support/docker/default.nix
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@ -1,5 +1,5 @@
{ stdenv, lib, callPackage, runCommand, writeReferencesToFile, writeText, vmTools, writeScript
, docker, shadow, utillinux, coreutils, jshon, e2fsprogs, goPackages }:
, docker, shadow, utillinux, coreutils, jshon, e2fsprogs, goPackages, pigz }:
# WARNING: this API is unstable and may be subject to backwards-incompatible changes in the future.
@ -45,27 +45,6 @@ rec {
done
'';
mkTarball = { name ? "docker-tar", drv, onlyDeps ? false }:
runCommand "${name}.tar.gz" rec {
inherit drv onlyDeps;
drvClosure = writeReferencesToFile drv;
} ''
while read dep; do
echo Copying $dep
dir="$(dirname "$dep")"
mkdir -p "rootfs/$dir"
cp -drf --preserve=mode $dep "rootfs/$dir/"
done < "$drvClosure"
if [ -z "$onlyDeps" ]; then
cp -drf --preserve=mode $drv/* rootfs/
fi
tar -C rootfs/ -cpzf $out .
'';
shellScript = text:
writeScript "script.sh" ''
#!${stdenv.shell}
@ -99,16 +78,6 @@ EOF
fi
'';
# Append to tar instead of unpacking
mergeTarballs = tarballs:
runCommand "merge-tars" { inherit tarballs; } ''
mkdir tmp
for tb in $tarballs; do
tar -C tmp -xkpf $tb
done
tar -C tmp -cpzf $out .
'';
runWithOverlay = { name , fromImage ? null, fromImageName ? null, fromImageTag ? null
, diskSize ? 1024, preMount ? "", postMount ? "", postUmount ? "" }:
vmTools.runInLinuxVM (
@ -182,7 +151,7 @@ EOF
postMount = ''
echo Packing raw image
tar -C mnt -czf $out .
tar -C mnt -cf $out .
'';
};
@ -262,8 +231,8 @@ EOF
# 6. repack the image
buildImage = args@{ name, tag ? "latest"
, fromImage ? null, fromImageName ? null, fromImageTag ? null
, contents ? null, tarballs ? [], config ? null
, runAsRoot ? null, diskSize ? 1024, extraCommands ? "" }:
, contents ? null, config ? null, runAsRoot ? null
, diskSize ? 1024, extraCommands ? "" }:
let
@ -275,22 +244,18 @@ EOF
os = "linux";
config = config;
});
layer = (if runAsRoot == null
then mkPureLayer { inherit baseJson contents extraCommands; }
else mkRootLayer { inherit baseJson fromImage fromImageName fromImageTag contents runAsRoot diskSize extraCommands; });
depsTarball = mkTarball { name = "${baseName}-deps";
drv = layer;
onlyDeps = true; };
result = runCommand "${baseName}.tar.gz" {
buildInputs = [ jshon ];
buildInputs = [ jshon pigz ];
imageName = name;
imageTag = tag;
inherit fromImage baseJson;
mergedTarball = if tarballs == [] then depsTarball else mergeTarballs ([ depsTarball ] ++ tarballs);
layerClosure = writeReferencesToFile layer;
passthru = {
buildArgs = args;
@ -320,22 +285,17 @@ EOF
mkdir temp
cp ${layer}/* temp/
chmod ug+w temp/*
echo Adding dependencies
touch layerFiles
for dep in $(cat $layerClosure); do
find $dep >> layerFiles
done
echo Adding layer
tar -tf temp/layer.tar >> baseFiles
tar -tf "$mergedTarball" | grep -v ${layer} > layerFiles
if [ "$(wc -l layerFiles|cut -d ' ' -f 1)" -gt 3 ]; then
sed -i -e 's|^[\./]\+||' baseFiles layerFiles
comm <(sort -n baseFiles|uniq) <(sort -n layerFiles|uniq) -1 -3 > newFiles
mkdir deps
pushd deps
tar -xpf "$mergedTarball" --no-recursion --files-from ../newFiles 2>/dev/null || true
tar -rf ../temp/layer.tar --no-recursion --files-from ../newFiles 2>/dev/null || true
popd
else
echo No new deps, no diffing needed
fi
comm <(sort -n baseFiles|uniq) <(sort -n layerFiles|uniq|grep -v ${layer}) -1 -3 > newFiles
tar -rpf temp/layer.tar --no-recursion --files-from newFiles 2>/dev/null || true
echo Adding meta
if [ -n "$parentID" ]; then
@ -357,7 +317,7 @@ EOF
chmod -R a-w image
echo Cooking the image
tar -C image -czf $out .
tar -C image -c . | pigz > $out
'';
in