クラウドに録画したカメラ映像からタイムラプス動画を作って日常を振り返ろう

sudo apt update
sudo apt install -y \
    cmake \
    m4 \
    libssl-dev \
    libcurl4-openssl-dev \
    liblog4cplus-dev \
    libgstreamer1.0-dev \
    libgstreamer-plugins-base1.0-dev \
    gstreamer1.0-plugins-base-apps \
    gstreamer1.0-plugins-bad \
    gstreamer1.0-plugins-good \
    gstreamer1.0-plugins-ugly \
    gstreamer1.0-tools

sudo raspi-config

cd
git clone https://github.com/awslabs/amazon-kinesis-video-streams-producer-sdk-cpp.git -b v3.3.0

mkdir -p amazon-kinesis-video-streams-producer-sdk-cpp/build
cd amazon-kinesis-video-streams-producer-sdk-cpp/build
cmake -DBUILD_GSTREAMER_PLUGIN=ON ..
make

aws kinesisvideo create-stream \
    --stream-name raspi4-stream \
    --data-retention-in-hours 168

{
    "StreamARN": "arn:aws:kinesisvideo:ap-northeast-1:012345678901:stream/raspi4-stream/..."
}

aws sts get-session-token

{
    "Credentials": {
        "AccessKeyId": "...",
        "SecretAccessKey": "...",
        "SessionToken": "...",
        "Expiration": "2022-06-15T00:39:31Z"
    }
}

export AWS_ACCESS_KEY_ID="上記の AccessKeyId の値"
export AWS_SECRET_ACCESS_KEY="上記の SecretAccessKey の値"
export AWS_SESSION_TOKEN="上記の SessionToken の値"
export AWS_DEFAULT_REGION="利用するリージョン (例: ap-northeast-1)"

cd ~/amazon-kinesis-video-streams-producer-sdk-cpp/build
./kvs_gstreamer_sample raspi4-stream -w 1280 -h 720 -f 10 -b 1024

aws iam create-policy \
    --policy-name RasPiKVSPolicy \
    --policy-document "{\"Version\":\"2012-10-17\",\"Statement\":[{\"Effect\":\"Allow\",\"Action\":[\"kinesisvideo:PutMedia\",\"kinesisvideo:GetDataEndpoint\",\"kinesisvideo:DescribeStream\"],\"Resource\":\"arn:aws:kinesisvideo:*:*:stream/\${credentials-iot:ThingName}/*\"}]}"

{
    "Policy": {
        "PolicyName": "RasPiKVSPolicy",
        "PolicyId": "...",
        "Arn": "arn:aws:iam::012345678901:policy/RasPiKVSPolicy",
        "Path": "/",
        "DefaultVersionId": "v1",
        "AttachmentCount": 0,
        "PermissionsBoundaryUsageCount": 0,
        "IsAttachable": true,
        "CreateDate": "2022-05-25T04:06:45+00:00",
        "UpdateDate": "2022-05-25T04:06:45+00:00"
    }
}

aws iam create-role \
    --role-name RasPiKVSRole \
    --assume-role-policy-document "{\"Version\":\"2012-10-17\",\"Statement\":[{\"Sid\":\"\",\"Effect\":\"Allow\",\"Principal\":{\"Service\":\"credentials.iot.amazonaws.com\"},\"Action\":\"sts:AssumeRole\"}]}"

{
    "Role": {
        "Path": "/",
        "RoleName": "RasPiKVSRole",
        "RoleId": "...",
        "Arn": "arn:aws:iam::012345678901:role/RasPiKVSRole",
        "CreateDate": "2022-05-25T04:10:40+00:00",
        "AssumeRolePolicyDocument": {
            "Version": "2012-10-17",
            "Statement": [
                {
                    "Sid": "",
                    "Effect": "Allow",
                    "Principal": {
                        "Service": "credentials.iot.amazonaws.com"
                    },
                    "Action": "sts:AssumeRole"
                }
            ]
        }
    }
}

aws iam attach-role-policy \
    --role-name RasPiKVSRole \
    --policy-arn "4-1.で控えたポリシーの Arn の値 (例: arn:aws:iam::012345678901:policy/RasPiKVSPolicy)"

aws iot create-role-alias \
    --role-alias RasPiKVSRoleAlias \
    --role-arn "4-2.で控えたロールの Arn の値 (例: arn:aws:iam::012345678901:role/RasPiKVSRole)"

{
    "roleAlias": "RasPiKVSRoleAlias",
    "roleAliasArn": "arn:aws:iot:ap-northeast-1:0123456789012:rolealias/RasPiKVSRoleAlias"
}

aws iot create-policy \
    --policy-name RasPiKVSPolicy \
    --policy-document "{\"Version\":\"2012-10-17\",\"Statement\":[{\"Effect\":\"Allow\",\"Action\":\"iot:AssumeRoleWithCertificate\",\"Resource\":\"arn:aws:iot:リージョン:アカウントID:rolealias\/RasPiKVSRoleAlias\"}]}"

{
    "policyName": "RasPiKVSPolicy",
    "policyArn": "arn:aws:iot:ap-northeast-1:0123456789012:policy/RasPiKVSPolicy",
    "policyDocument": "{\"Version\":\"2012-10-17\",\"Statement\":[{\"Effect\":\"Allow\",\"Action\":\"iot:AssumeRoleWithCertificate\",\"Resource\":\"arn:aws:iot:ap-northeast-1:0123456789012:rolealias\\/RasPiKVSRoleAlias\"}]}",
    "policyVersionId": "1"
}

aws iot create-thing --thing-name raspi4-stream

{
    "thingName": "raspi4-stream",
    "thingArn": "arn:aws:iot:ap-northeast-1:0123456789012:thing/raspi4-stream",
    "thingId": "..."
}

aws iot create-keys-and-certificate \
    --set-as-active \
    --certificate-pem-outfile "certificate.pem.crt" \
    --public-key-outfile "public.pem.key" \
    --private-key-outfile "private.pem.key"

{
    "certificateArn": "arn:aws:iot:ap-northeast-1:0123456789012:cert/...",
    "certificateId": "...",
    ...
}

aws iot attach-policy \
    --policy-name "RasPiKVSPolicy" \
    --target "4-7.で控えた certificateArn の値 (例: arn:aws:iot:ap-northeast-1:0123456789012:cert/...)"

aws iot attach-thing-principal \
    --thing-name raspi4-stream \
    --principal "4-7.で控えた certificateArn の値 (例: arn:aws:iot:ap-northeast-1:0123456789012:cert/...)"

aws iot describe-endpoint --endpoint-type iot:CredentialProvider

{
    "endpointAddress": "cxxxxxxxxxxxxx.credentials.iot.ap-northeast-1.amazonaws.com"
}

cd
wget https://www.amazontrust.com/repository/AmazonRootCA1.pem -O AmazonRootCA1.pem

[Unit]
Description=Amazon Kinesis Video Streams Producer
After=network-online.target

[Service]
User=pi
WorkingDirectory=/home/pi/amazon-kinesis-video-streams-producer-sdk-cpp/build
Restart=always
RestartSec=10
Environment="IOT_GET_CREDENTIAL_ENDPOINT=4-10.で控えた Credentials Provider の endpointAddress の値 (例: cxxxxxxxxxxxxx.credentials.iot.ap-northeast-1.amazonaws.com)"
Environment=AWS_DEFAULT_REGION=ap-northeast-1
Environment=CERT_PATH=/home/pi/certificate.pem.crt
Environment=PRIVATE_KEY_PATH=/home/pi/private.pem.key
Environment=CA_CERT_PATH=/home/pi/AmazonRootCA1.pem
Environment=ROLE_ALIAS=RasPiKVSRoleAlias
ExecStart=/home/pi/amazon-kinesis-video-streams-producer-sdk-cpp/build/kvs_gstreamer_sample raspi4-stream -w 1280 -h 720 -f 10 -b 1024

[Install]
WantedBy=multi-user.target

sudo cp kvs-producer.service /etc/systemd/system/
sudo systemctl enable kvs-producer.service --now

sudo systemctl status kvs-producer.service

● kvs-producer.service - Kinesis Video Streams Producer
     Loaded: loaded (/etc/systemd/system/kvs-producer.service; enabled; vendor preset: enabled)
     Active: active (running) since Wed 2022-05-25 07:34:05 BST; 1min 17s ago

git clone https://github.com/aws-samples/amazon-kinesis-video-streams-time-lapse-video-example.git

cd amazon-kinesis-video-streams-time-lapse-video-example
pip3 install -r requirements.txt

python3 main.py \
  --stream-name raspi4-stream \
  --start-time 2022-07-01T00:00:00\
  --end-time 2022-07-01T09:00:00 \
  --duration 3 \
  --width 1280 \
  --height 720 \
  --output-path result.mp4

sudo systemctl disable kvs-producer.service --now
sudo rm /etc/systemd/system/kvs-producer.service