now caches build image

Author: sneak

Dockerfile.test

@@ -0,0 +1,20 @@
+FROM steemitinc/ci-test-environment:latest
+
+ADD . /usr/local/src/steem
+
+RUN \
+    cd /usr/local/src/steem && \
+    git submodule update --init --recursive && \
+    mkdir build && \
+    cd build && \
+    cmake \
+        -DCMAKE_BUILD_TYPE=Debug \
+        -DBUILD_STEEM_TESTNET=ON \
+        -DLOW_MEMORY_NODE=OFF \
+        -DCLEAR_VOTES=ON \
+        .. && \
+    make -j$(nproc) chain_test && \
+    ./tests/chain_test && \
+    cd /usr/local/src/steem && \
+    doxygen && \
+    programs/build_helpers/check_reflect.py

circle.yml

@@ -1,8 +1,14 @@
 machine:
-  services:
-      - docker
+    services:
+        - docker
 
-test:
+dependencies:
+    cache_directories:
+        - "~/docker"
     override:
         - docker info
-        - docker build --rm=false -t steemit/steem .
+        - time bash tests/scripts/create-ci-docker-image.sh
+
+test:
+    override:
+        - time docker build --rm=false -t steemitinc/steem-test -f Dockerfile.test .

tests/scripts/Dockerfile.testenv

@@ -0,0 +1,24 @@
+FROM phusion/baseimage:0.9.19
+
+RUN \
+    apt-get update && \
+    apt-get install -y \
+        autoconf \
+        automake \
+        autotools-dev \
+        bsdmainutils \
+        build-essential \
+        cmake \
+        doxygen \
+        git \
+        libboost-all-dev \
+        libreadline-dev \
+        libssl-dev \
+        libtool \
+        ncurses-dev \
+        pbzip2 \
+        python3 \
+        python3-dev \
+    && \
+    apt-get clean && \
+    rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*

tests/scripts/create-ci-docker-image.sh

@@ -0,0 +1,22 @@
+#!/bin/bash
+set -x
+
+DOCKER_CACHE_DIR="$HOME/docker"
+
+if [[ ! -d $DOCKER_CACHE_DIR ]]; then
+    mkdir -p $DOCKER_CACHE_DIR
+fi
+
+if [[ -e $DOCKER_CACHE_DIR/image.tar ]]; then
+    du -sh $DOCKER_CACHE_DIR/image.tar
+    docker load -i $DOCKER_CACHE_DIR/image.tar
+else
+    docker build --rm=false \
+        -t steemitinc/ci-test-environment:latest \
+        -f tests/scripts/Dockerfile.testenv . && \
+    mkdir -p ~/docker && \
+    docker save steemitinc/ci-test-environment:latest \
+        > $DOCKER_CACHE_DIR/image.tar.tmp && \
+    mv $DOCKER_CACHE_DIR/image.tar.tmp $DOCKER_CACHE_DIR/image.tar && \
+    du -sh $DOCKER_CACHE_DIR/image.tar
+fi