我对Azure IoT Edge非常陌生,我正在尝试部署到我的树莓派:使用Azure IoT Edge和认知服务进行图像识别,但在构建和推送IoT Edge解决方案并将其部署到单个设备ID之后,我看不到Docker PS -a和Iotedge列表中列出的这两个模块,当尝试在EdgeAgent日志中检查它时,出现错误消息,似乎EdgeAgent在创建这些模块(相机捕获和图像分类器服务)时出现错误
我尝试过: 1.从新的文件夹包重新生成镜像2.手动从Azure门户拉取镜像,并通过脚本手动运行镜像
我被困在这上面好几天了。
在deployment.arm32v7.json中,对于这些模块,我使用注册的注册表url定义了Image:
"modules": {
"camera-capture": {
"version": "1.0",
"type": "docker",
"status": "running",
"restartPolicy": "always",
"settings": {
"image": "zzzz.azurecr.io/camera-capture-opencv:1.1.12-arm32v7",
"createOptions": "{\"Env\":[\"Video=0\",\"azureSpeechServicesKey=2f57f2d9f1074faaa0e9484e1f1c08c1\",\"AiEndpoint=http://image-classifier-service:80/image\"],\"HostConfig\":{\"PortBindings\":{\"5678/tcp\":[{\"HostPort\":\"5678\"}]},\"Devices\":[{\"PathOnHost\":\"/dev/video0\",\"PathInContainer\":\"/dev/video0\",\"CgroupPermissions\":\"mrw\"},{\"PathOnHost\":\"/dev/snd\",\"PathInContainer\":\"/dev/snd\",\"CgroupPermissions\":\"mrw\"}]}}"
}
},
"image-classifier-service": {
"version": "1.0",
"type": "docker",
"status": "running",
"restartPolicy": "always",
"settings": {
"image": "zzzz.azurecr.io/image-classifier-service:1.1.5-arm32v7",
"createOptions": "{\"HostConfig\":{\"Binds\":[\"/home/pi/images:/images\"],\"PortBindings\":{\"8000/tcp\":[{\"HostPort\":\"80\"}],\"5679/tcp\":[{\"HostPort\":\"5679\"}]}}}"
}来自EdgeAgent日志的错误消息:
(Inner Exception #0) Microsoft.Azure.Devices.Edge.Agent.Edgelet.EdgeletCommunicationException- Message:Error calling Create module
image-classifier-service: Could not create module image-classifier-service
caused by: Could not pull image zzzzz.azurecr.io/image-classifier-service:1.1.5-arm32v7
caused by: Get https://zzzzz.azurecr.io/v2/image-classifier-service/manifests/1.1.5-arm32v7: unauthorized: authentication required尝试通过脚本运行拉取的镜像时:
sudo docker run --rm --name testName -it zzzz.azurecr.io/camera-capture-opencv:1.1.12-arm32v7无
我得到了这个错误:
Camera Capture Azure IoT Edge Module. Press Ctrl-C to exit.
Error: Time:Fri May 24 10:01:09 2019 File:/usr/sdk/src/c/iothub_client/src/iothub_client_core_ll.c Func:retrieve_edge_environment_variabes Line:191 Environment IOTEDGE_AUTHSCHEME not set
Error: Time:Fri May 24 10:01:09 2019 File:/usr/sdk/src/c/iothub_client/src/iothub_client_core_ll.c Func:IoTHubClientCore_LL_CreateFromEnvironment Line:1572 retrieve_edge_environment_variabes failed
Error: Time:Fri May 24 10:01:09 2019 File:/usr/sdk/src/c/iothub_client/src/iothub_client_core.c Func:create_iothub_instance Line:941 Failure creating iothub handle
Unexpected error IoTHubClient.create_from_environment, IoTHubClientResult.ERROR from IoTHub发布于 2019-05-29 00:59:56
当您使用docker run直接拉取图像时,它会拉取图像,但随后无法在edge运行时之外运行,这是意料之中的。但是当边缘代理试图拉取它时,它失败了,因为它没有被授权。未向运行时提供凭据,因此它尝试匿名访问注册表。
确保将容器注册中心凭据添加到部署中,以便边缘运行时可以拉取镜像。部署应该在运行时设置中包含类似以下内容:
"MyRegistry" :{
"username": "<username>",
"password": "<password>",
"address": "<registry-name>.azurecr.io"
}正如@ here在评论中指出的那样,文档是静默的,包括一个包含容器注册凭据的示例部署。
https://stackoverflow.com/questions/56290353
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