Simplify dockerfiles for thumbnail examples (pulumi#63)

* Move shell scripts into Dockerfile

* Update thumbnailer-machine-learning

* Bump memory to 512.

Author: lindydonna

cloud-js-thumbnailer-machine-learning/docker-ffmpeg-thumb/Dockerfile

@@ -8,10 +8,10 @@ RUN pip install awscli
 
 WORKDIR /tmp/workdir
 
-COPY copy_thumb.sh /tmp/workdir
-COPY copy_video.sh /tmp/workdir
-
-ENTRYPOINT echo "Starting ffmpeg task..." && \
-  ./copy_video.sh && \
-  ffmpeg -v error -i ./${INPUT_VIDEO_FILE_NAME} -ss ${POSITION_TIME_DURATION} -vframes 1 -f image2 -an -y ${OUTPUT_THUMBS_FILE_NAME} && \
-  ./copy_thumb.sh
+ENTRYPOINT \
+  echo "Starting ffmpeg task..." && \
+  echo "Copying video from s3://${S3_BUCKET}/${INPUT_VIDEO} to ${INPUT_VIDEO}..." && \
+  aws s3 cp s3://${S3_BUCKET}/${INPUT_VIDEO} ./${INPUT_VIDEO} && \
+  ffmpeg -v error -i ./${INPUT_VIDEO} -ss ${TIME_OFFSET} -vframes 1 -f image2 -an -y ${OUTPUT_FILE} && \
+  echo "Copying thumbnail to S3://${S3_BUCKET}/${OUTPUT_FILE} ..." && \
+  aws s3 cp ./${OUTPUT_FILE} s3://${S3_BUCKET}/${OUTPUT_FILE}

cloud-js-thumbnailer-machine-learning/docker-ffmpeg-thumb/copy_thumb.sh

@@ -12,7 +12,7 @@ const bucketName = bucket.bucket.id;
 // A task which runs a containerized FFMPEG job to extract a thumbnail image.
 const ffmpegThumbnailTask = new cloud.Task("ffmpegThumbTask", {
     build: "./docker-ffmpeg-thumb",
-    memoryReservation: 128,
+    memoryReservation: 512,
 });
 
 // Use module for processing video through Rekognition
@@ -33,10 +33,10 @@ videoProcessor.onLabelResult("cat", async (file, framePos) => {
     // launch ffmpeg in a container, use environment variables to connect resources together
     await ffmpegThumbnailTask.run({
         environment: {
-            "S3_BUCKET": bucketName.get(),
-            "INPUT_VIDEO_FILE_NAME": file,
-            "POSITION_TIME_DURATION": framePos,
-            "OUTPUT_THUMBS_FILE_NAME": thumbnailFile,
+            "S3_BUCKET":   bucketName.get(),
+            "INPUT_VIDEO": file,
+            "TIME_OFFSET": framePos,
+            "OUTPUT_FILE": thumbnailFile,
         },
     });
     console.log("*** Launched thumbnailer task.");

cloud-js-thumbnailer-machine-learning/docker-ffmpeg-thumb/copy_video.sh

@@ -108,15 +108,18 @@ To run this example, make sure [Docker](https://docs.docker.com/engine/installat
 1.  View the logs from both the Lambda function and the ECS task:
 
     ```
-    2018-05-19T20:07:43.879-07:00[                    onNewVideo] *** New video: file cat_00-01.mp4 was uploaded at 2018-05-20T03:07:42.477Z.
-    2018-05-19T20:07:43.880-07:00[                    onNewVideo] Running thumbnailer task.
-    2018-05-19T20:08:54.229-07:00[               ffmpegThumbTask] Starting...
-    2018-05-19T20:08:54.271-07:00[               ffmpegThumbTask] Copying from S3 bucket-c647dfb/cat_00-01.mp4 to cat_00-01.mp4 ...
-    download: s3://bucket-c647dfb/cat_00-01.mp4 to ./cat_00-01.mp4      eted 256.0 KiB/666.5 KiB (840.9 KiB/s) with 1 file(s) remaining
-    2018-05-19T20:08:59.687-07:00[               ffmpegThumbTask] Copying cat.jpg to S3 at bucket-c647dfb/cat.jpg ...
-    upload: ./cat.jpg to s3://bucket-c647dfb/cat.jpg                ompleted 86.6 KiB/86.6 KiB (1.0 MiB/s) with 1 file(s) remaining
-    2018-05-19T20:09:02.289-07:00[                onNewThumbnail] *** New thumbnail: file cat.jpg was saved at 2018-05-20T03:09:02.162Z.
-    ```
+    $ pulumi logs -f
+    Collecting logs for stack thumbnailer-testing since 2018-05-25T11:56:53.000-07:00.
+
+    2018-05-25T12:57:26.326-07:00[                    onNewVideo] *** New video: file cat_00-01.mp4 was uploaded at 2018-05-25T19:57:25.507Z.
+    2018-05-25T12:57:30.705-07:00[                    onNewVideo] Running thumbnailer task.
+    2018-05-25T12:58:34.960-07:00[               ffmpegThumbTask] Starting ffmpeg task...
+    2018-05-25T12:58:34.960-07:00[               ffmpegThumbTask] Copying video from S3 bucket-5ea6b28/cat_00-01.mp4 to cat_00-01.mp4...
+    2018-05-25T12:58:37.267-07:00[               ffmpegThumbTask] Completed 256.0 KiB/666.5 KiB (2.5 MiB/s) with 1 fildownload: s3://bucket-5ea6b28/cat_00-01.mp4 to ./cat_00-01.mp4    
+    2018-05-25T12:58:40.306-07:00[               ffmpegThumbTask] Copying cat.jpg to S3 at bucket-5ea6b28/cat.jpg ...
+    2018-05-25T12:58:43.034-07:00[               ffmpegThumbTask] Completed 86.6 KiB/86.6 KiB (619.7 KiB/s) with 1 filupload: ./cat.jpg to s3://bucket-5ea6b28/cat.jpg                  
+    2018-05-25T12:58:43.758-07:00[                onNewThumbnail] *** New thumbnail: file cat.jpg was saved at 2018-05-25T19:58:43.028Z.
+        ```
 
 1.  Download the key frame:
 

cloud-js-thumbnailer-machine-learning/index.js

@@ -8,10 +8,10 @@ RUN pip install awscli
 
 WORKDIR /tmp/workdir
 
-COPY copy_thumb.sh /tmp/workdir
-COPY copy_video.sh /tmp/workdir
-
-ENTRYPOINT echo "Starting ffmpeg task..." && \
-  ./copy_video.sh && \
-  ffmpeg -v error -i ./${INPUT_VIDEO_FILE_NAME} -ss ${POSITION_TIME_DURATION} -vframes 1 -f image2 -an -y ${OUTPUT_THUMBS_FILE_NAME} && \
-  ./copy_thumb.sh
+ENTRYPOINT \
+  echo "Starting ffmpeg task..." && \
+  echo "Copying video from s3://${S3_BUCKET}/${INPUT_VIDEO} to ${INPUT_VIDEO}..." && \
+  aws s3 cp s3://${S3_BUCKET}/${INPUT_VIDEO} ./${INPUT_VIDEO} && \
+  ffmpeg -v error -i ./${INPUT_VIDEO} -ss ${TIME_OFFSET} -vframes 1 -f image2 -an -y ${OUTPUT_FILE} && \
+  echo "Copying thumbnail to S3://${S3_BUCKET}/${OUTPUT_FILE} ..." && \
+  aws s3 cp ./${OUTPUT_FILE} s3://${S3_BUCKET}/${OUTPUT_FILE}

cloud-js-thumbnailer/README.md

@@ -9,7 +9,7 @@ const bucketName = bucket.bucket.id;
 // A task which runs a containerized FFMPEG job to extract a thumbnail image.
 const ffmpegThumbnailTask = new cloud.Task("ffmpegThumbTask", {
     build: "./docker-ffmpeg-thumb",
-    memoryReservation: 128,
+    memoryReservation: 512,
 });
 
 // When a new video is uploaded, run the FFMPEG task on the video file.
@@ -23,10 +23,10 @@ bucket.onPut("onNewVideo", async (bucketArgs) => {
 
     await ffmpegThumbnailTask.run({
         environment: {
-            "S3_BUCKET": bucketName.get(),
-            "INPUT_VIDEO_FILE_NAME": file,
-            "POSITION_TIME_DURATION": framePos,
-            "OUTPUT_THUMBS_FILE_NAME": thumbnailFile,
+            "S3_BUCKET":   bucketName.get(),
+            "INPUT_VIDEO": file,
+            "TIME_OFFSET": framePos,
+            "OUTPUT_FILE": thumbnailFile,
         },
     });
     console.log(`Running thumbnailer task.`);