adding build and updating git ignore for .image #569

.gitignore

@@ -25,6 +25,7 @@ web-server/config.ini
 # Covers JetBrains IDEs: IntelliJ, RubyMine, PhpStorm, AppCode, PyCharm, CLion, Android Studio
 
 *.iml
+*.image
 
 ## Directory-based project format:
 .idea/

open-source-docker/docker/open-source-build/build.py

@@ -0,0 +1,41 @@
+import argparse
+import datetime
+import os
+import subprocess
+import sys
+
+# Get the current commit and time.
+commit = subprocess.Popen(["git", "rev-parse", "HEAD"], stdout=subprocess.PIPE).communicate()[0].strip()[:8]
+timestamp = datetime.datetime.now()
+
+def build_image(image):
+  subprocess.check_call(["docker", "build", "--no-cache=%s" % ("true" if arguments.no_cache else "false"), "-t", "sandialabs/%s" % image, image])
+
+def save_image(image):
+  saved_image = "%s-%s-%s.image" % (image, timestamp.strftime("%Y%m%dT%H%M"), commit)
+  sys.stderr.write("Saving image %s as %s.\n" % (image, saved_image))
+  subprocess.check_call(["docker", "save", "-o", saved_image, "sandialabs/%s" % image])
+
+def build_slycat_base():
+  build_image("slycat-base")
+
+def build_slycat_developer():
+  build_slycat_base()
+  build_image("slycat-developer")
+
+def slycat_developer_image():
+  build_slycat_developer()
+  save_image("slycat-developer")
+
+targets = {
+  "slycat-developer": build_slycat_developer,
+  "slycat-developer-image": slycat_developer_image,
+}
+
+parser = argparse.ArgumentParser()
+parser.add_argument("--no-cache", action="store_true", help="Don't use existing cached images.")
+parser.add_argument("target", choices=targets.keys(), help="Target to build.")
+arguments = parser.parse_args()
+
+targets[arguments.target]()
+