You signed in with another tab or window. Ideally, the container will run successfully and you will see no messages @sjiveson no its pretty useful, and protected against several exploits, but the format is not user friendly. It fails with an error message stating an invalid seccomp filename. Docker has used seccomp since version 1.10 of the Docker Engine. Since rebuilding a container will "reset" the container to its starting contents (with the exception of your local source code), VS Code does not automatically rebuild if you edit a container configuration file (devcontainer.json, Dockerfile, and docker-compose.yml). in addition to the values in the docker-compose.yml file. You can use Docker Compose binary, docker compose [-f ] [options] WebDocker compose does not work with a seccomp file AND replicas toghether. Note: When using Alpine Linux containers, some extensions may not work due to glibc dependencies in native code inside the extension. gate is enabled by If you supply a -p flag, you can You can replace the image property in devcontainer.json with dockerfile: When you make changes like installing new software, changes made in the Dockerfile will persist even upon a rebuild of the dev container. Clean up that Pod before moving to the next section: If you take a look at the fine-grained.json profile, you will notice some of the syscalls Beyond the advantages of having your team use a consistent environment and tool-chain, this also makes it easier for new contributors or team members to be productive quickly. report a problem feature gate enabled and download them into a directory named profiles/ so that they can be loaded However, on Linux you may need to set up and specify a non-root user when using a bind mount or any files you create will be root. half of the argument register is ignored by the system call, but Once you have added a .devcontainer/devcontainer.json file to your folder, run the Dev Containers: Reopen in Container command (or Dev Containers: Open Folder in Container if you are not yet in a container) from the Command Palette (F1). Seccomp, and user namespaces. latest: Pulling from library/postgres directory name. multiple profiles, e.g. To mitigate such a failure, you can: If you were introducing this feature into production-like cluster, the Kubernetes project Version 1.76 is now available! However, if you want anything running in this service to be available in the container on localhost, or want to forward the service locally, be sure to add this line to the service config: You can see an example of network_mode: service:db in the Node.js and MongoDB example dev container. Unless you specify a different profile, Docker will apply the default seccomp profile to all new containers. files, Compose combines them into a single configuration. command line flag. Leverage your professional network, and get hired. calls from http-echo: You should already see some logs of syscalls made by http-echo, and if you seccomp is essentially a mechanism to restrict system calls that a By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. (this is the default). Once you're connected, notice the green remote indicator on the left of the Status bar to show you are connected to your dev container: Through a devcontainer.json file, you can: If devcontainer.json's supported workflows do not meet your needs, you can also attach to an already running container instead. Sending build context to Docker daemon 6.144kB Step 1/3 : FROM debian:buster ---> 7a4951775d15 Step 2/3 : RUN apt-get upda. If the commandline doesn't appear in the terminal, make sure popups are enabled or try resizing the browser window. You also may not be mapping the local filesystem into the container or exposing ports to other resources like databases you want to access. The compose syntax is correct. in the kind configuration: If the cluster is ready, then running a pod: Should now have the default seccomp profile attached. Has 90% of ice around Antarctica disappeared in less than a decade? Secure computing mode ( seccomp) is a Linux kernel feature. It can be used to sandbox the privileges of a kind documentation about configuration for more details on this. Fortunately Docker profiles abstract this issue away, so you dont need to worry about it if using Docker seccomp profiles. In docker 1.10-1.12 docker exec --privileged does not bypass seccomp. From the logs, it appears that CB is trying to make system calls that are killed by seccomp causing CB to crash. container belonging to that control plane container: You can see that the process is running, but what syscalls did it actually make? It is possible for other security related technologies to interfere with your testing of seccomp profiles. Since 1.12, if you add or remove capabilities the relevant system calls also get added or removed from the seccomp profile automatically. If the docker-compose.admin.yml also specifies this same service, any matching Regardless, if you install and configure sudo, you'll be able to use it when running as any user including root. I'm having real issues with seccomp and Couchbase (CB), so much so that I'd to revert to using an older version of CB. This may change in future versions (see https://github.com/docker/docker/issues/21984). Change into the labs/security/seccomp directory. When checking values from args against a blacklist, keep in mind that Does Cosmic Background radiation transmit heat? In chapter 5, the book covers advanced Docker features such as Docker Compose and Swarm for orchestration, and using Docker in the cloud. This resulted in you needing to add syscalls to your profile that were required for the container creation process but not required by your container. # mounts are relative to the first file in the list, which is a level up. . required some effort in analyzing the program. I'm trying to run an s3fs-fuse docker image, which requires the ability to mount. line flag, or enable it through the kubelet configuration See install additional software for more information on installing software and the devcontainer.json reference for more information about the postCreateCommand property. Webdocker cli ( click here for more info) docker run -d \ --name=firefox \ --security-opt seccomp=unconfined `#optional` \ -e PUID=1000 \ -e PGID=1000 \ -e TZ=Etc/UTC \ -p 3000:3000 \ -v /path/to/config:/config \ --shm-size="1gb" \ --restart unless-stopped \ lscr.io/linuxserver/firefox:latest Parameters As you make changes, build your dev container to ensure changes take effect. Here is a simple example devcontainer.json that uses a pre-built TypeScript and Node.js VS Code Development Container image: You can alter your configuration to do things such as: For this example, if you'd like to install the Code Spell Checker extension into your container and automatically forward port 3000, your devcontainer.json would look like: Note: Additional configuration will already be added to the container based on what's in the base image. Sign in instead of docker-compose. Compose builds the configuration in the order you supply the files. Note: I never worked with GO, but I was able to debug the application and verified the behavior below. the profiles frontend and debug will be enabled. Every service definition can be explored, and all running instances are shown for each service. I've tried running with unconfined profile, cap_sys_admin, nothing worked. You can easily share a customized Dev Container Template for your project by adding devcontainer.json files to source control. This is because the profile allowed all 81ef0e73c953: Pull complete shophq official site. Seccomp stands for secure computing mode and has been a feature of the Linux The default-no-chmod.json profile is a modification of the default.json profile with the chmod(), fchmod(), and chmodat() syscalls removed from its whitelist. You can also run the following simpler command and get a more verbose output. or Thanks for contributing an answer to Stack Overflow! When editing the contents of the .devcontainer folder, you'll need to rebuild for changes to take effect. #yyds#DockerDocker. 4docker; . Docker compose not working with seccomp file and replicas together, fix security opts support (seccomp and unconfined), Use this docker-compose.yaml and seccomp.json file from. A Dockerfile will also live in the .devcontainer folder. Hire Developers, Free Coding Resources for the Developer. Once you have a kind configuration in place, create the kind cluster with annotations in static pods is no longer supported, and the seccomp annotations In versions of Docker prior to 1.12, seccomp polices tended to be applied very early in the container creation process. necessary syscalls and specified that an error should occur if one outside of Here seccomp has been instructed to error on any syscall by setting The table below lists the possible actions in order of precedence. See also the COMPOSE_PROJECT_NAME environment variable. Only syscalls on the whitelist are permitted. You can adapt the steps to use a different tool if you prefer. If you dont provide this flag on the command line, The rule only matches if all args match. Start a new container with the --security-opt seccomp=unconfined flag so that no seccomp profile is applied to it. From the terminal of the container run a whoami command to confirm that the container works and can make syscalls back to the Docker Host. Exit the new shell and the container. This is because it allows bypassing of seccomp. Inspect the contents of the seccomp-profiles/deny.json profile. You can To avoid this problem, you can use the postCreateCommand property in devcontainer.json. When you run a container it gets the default seccomp profile unless you override this by passing the --security-opt flag to the docker run command. See also Using profiles with Compose and the Also, can we ever expect real compose support rather than a workaround? node to your Pods and containers. Profiles can contain more granular filters based on the value of the arguments to the system call. Thank you. This was not ideal. This profile has an empty syscall whitelist meaning all syscalls will be blocked. Once VS Code is connected to the container, you can open a VS Code terminal and execute any command against the OS inside the container. If you have a specific, answerable question about how to use Kubernetes, ask it on This bug is still present. As a beta feature, you can configure Kubernetes to use the profile that the docker-compose not properly passing seccomp profile, Failed to set a seccomp profile on a worker thread Continuously In Logs. How to copy Docker images from one host to another without using a repository. How to copy files from host to Docker container? k8s.gcr.io image registry will be frozen from the 3rd of April 2023.Images for Kubernetes 1.27 will not available in the k8s.gcr.io image registry.Please read our announcement for more details. defined by the container runtime, instead of using the Unconfined (seccomp disabled) mode. You can also use an interactive bash shell so that your .bashrc is picked up, automatically customizing your shell for your environment: Tools like NVM won't work without using -i to put the shell in interactive mode: The command needs to exit or the container won't start. removed in a future release. You could run the following commands in the integrated terminal in VS Code: You may also use the "features" property in the devcontainer.json to install tools and languages from a pre-defined set of Features or even your own. Web--security-opt seccomp=unconfined. If enabled, the kubelet will use the RuntimeDefault seccomp profile by default, which is You can use an image as a starting point for your devcontainer.json. rev2023.3.1.43269. Some workloads may require a lower amount of syscall restrictions than others. Docker Compose - How to execute multiple commands? In this step you will see how applying changes to the default.json profile can be a good way to fine-tune which syscalls are available to containers. Thanks @justincormack I presume you mean until 19060 makes its way into 1.11? When writing a seccomp filter, there may be unused or randomly set bits on 32-bit arguments when using a 64-bit operating system after the filter has run. If you want to try that, see have a docker-compose.yml file in a directory called sandbox/rails. For an example of using the -f option at the command line, suppose you are We'll cover extend a Docker Compose file in the next section. is there a chinese version of ex. It is moderately protective while providing wide application compatibility. Rather than creating a .devcontainer by hand, selecting the Dev Containers: Add Dev Container Configuration Files command from the Command Palette (F1) will add the needed files to your project as a starting point, which you can further customize for your needs. But the security_opt will be applied to the new instance of the container and thus is not available at build time like you are trying to do with Tip: Want to use a remote Docker host? This has still not happened yet. Sign up for a free GitHub account to open an issue and contact its maintainers and the community. Launching the CI/CD and R Collectives and community editing features for How is Docker different from a virtual machine? Higher actions overrule lower actions. docker-compose.yml; Permissions of relevant directories (using ls -ln) logs from affected containers, including TA and ES for this issue; Since we have several versions of the docker-compose and their associated logs, here is my recommendation: Use the docker-compose.yml that has the volume mount to the ES directory (the latest compose provided). the native API fields in favor of the annotations. This page provides the usage information for the docker compose Command. But the security_opt will be applied to the new instance of the container and thus is not available at build time like you are trying to do with the Dockerfile RUN command. You can adopt these defaults for your workload by setting the seccomp 044c83d92898: Pull complete 2017/09/04 15:58:33 server.go:73: Using API v1 2017/09/04 15:58:33 You can also create a development copy of your Docker Compose file. Continue reading to learn how to share container configurations among teammates and various projects. container, create a NodePort Services specify a project name. The sample below assumes your primary file is in the root of your project. Docker is a platform that allows developers to rapidly build, deploy and run applications via the use of In this step you will clone the labs GitHub repo so that you have the seccomp profiles that you will use for the remainder of this lab. A less Compose needs special handling here to pass the file from the client side to the API. Calling docker compose --profile frontend up will start the services with the This can be verified by Some x86_64 hosts have issues running rdesktop based images even with the latest docker version due to syscalls that are unknown to docker. WebDelete the container: docker rm filezilla. Clicking these links will cause VS Code to automatically install the Dev Containers extension if needed, clone the source code into a container volume, and spin up a dev container for use. The target path inside the container, # should match what your application expects. You can solve these and other issues like them by extending your entire Docker Compose configuration with multiple docker-compose.yml files that override or supplement your primary one. Pulling db (postgres:latest) seccomp is essentially a mechanism to restrict system calls that a process may make, so the same way one might block packets coming from some IPs, one can also block process from sending system calls to CPU. If you use docker 1.12, adding cap_sys_admin will automatically allow the required calls in the seccomp profile (mount, etc), which will work around this. What is the difference between ports and expose in docker-compose? Editing your container configuration is easy. An image is like a mini-disk drive with various tools and an operating system pre-installed. 15853f32f67c: Pull complete To get started quickly, open the folder you want to work with in VS Code and run the Dev Containers: Add Dev Container Configuration Files command in the Command Palette (F1). /bin/sh -c "while sleep 1000; do :; done", # Mounts the project folder to '/workspace'. So what *is* the Latin word for chocolate? This error gist which states that the content of the seccomp.json file is used as the filename, Describe the results you expected: Out of system resources. If both files are present on the same See the devcontainer.json reference for information other available properties such as the workspaceFolder and shutdownAction. node cluster with the seccomp profiles loaded. WebDocker Compose is a tool that was developed to help define and share multi-container applications. COMPOSE_PROFILES environment variable. to get started. 17301519f133: Pull complete Make and persist changes to the dev container, such as installation of new software, through use of a Dockerfile. The remainder of this lab will walk you through a few things that are easy to miss when using seccomp with Docker. The reader will also To use seccomp profile defaulting, you must run the kubelet with the SeccompDefault Asking for help, clarification, or responding to other answers. The compose syntax is correct. From the end of June 2023 Compose V1 wont be supported anymore and will be removed from all Docker Desktop versions. Enable seccomp by default. When using multiple layered filters, all filters are always executed starting with the most recently added. Step 3 - Run a container with no seccomp profile, https://github.com/docker/engine-api/blob/c15549e10366236b069e50ef26562fb24f5911d4/types/seccomp.go, https://github.com/opencontainers/runtime-spec/blob/6be516e2237a6dd377408e455ac8b41faf48bdf6/specs-go/config.go#L502, https://github.com/docker/docker/issues/22252, https://github.com/opencontainers/runc/pull/789, https://github.com/docker/docker/issues/21984, http://man7.org/linux/man-pages/man2/seccomp.2.html, http://man7.org/conf/lpc2015/limiting_kernel_attack_surface_with_seccomp-LPC_2015-Kerrisk.pdf, https://cs.chromium.org/chromium/src/sandbox/linux/bpf_dsl/bpf_dsl.h?sq=package:chromium&dr=CSs, Invoke a ptracer to make a decision or set, A Linux-based Docker Host with seccomp enabled, Docker 1.10 or higher (preferably 1.12 or higher), To prove that we are not running with the default seccomp profile, try running a, SCMP_CMP_MASKED_EQ - masked equal: true if. type in the security context of a pod or container to RuntimeDefault. You can use && to string together multiple commands. Syscall numbers are architecture dependent. Would the reflected sun's radiation melt ice in LEO? Task Configuration Hire Developers, Free Coding Resources for the Developer. You can use it to restrict the actions available within the container. Find centralized, trusted content and collaborate around the technologies you use most. after the seccomp check. 338a6c4894dc: Pull complete issue happens only occasionally): My analysis: Older versions of seccomp have a performance problem that can slow down operations. In this step you learned the format and syntax of Docker seccomp profiles. While this file is in .devcontainer. visible in the seccomp data. Let's say you want to install Git. If you are running this on another environment, you will need: The following commands show you how to check if seccomp is enabled in your systems kernel: If the above output does not return a line with seccomp then your system does not have seccomp enabled in its kernel. Caveats It seems most ARM Synology don't support seccomp, so the Docker container has unfettered access to your system (even more so than with a regular docker). . The contents of these profiles will be explored later on, but for now go ahead As part of the demo you will add all capabilities and effectively disable apparmor so that you know that only your seccomp profile is preventing the syscalls. For more information, see the Evolution of Compose. You should configuration in the order you supply the files. relative to the current working directory. You signed in with another tab or window. Only syscalls on the whitelist are permitted. For example, we add the streetsidesoftware.code-spell-checker extension above, and the container will also include "dbaeumer.vscode-eslint" as that's part of mcr.microsoft.com/devcontainers/typescript-node. WebWhen you supply multiple files, Compose combines them into a single configuration. kernel. to your account. arguments are often silently truncated before being processed, but syscalls. These filters can significantly limit a containers access to the Docker Hosts Linux kernel - especially for simple containers/applications. The compose syntax is correct. In the Settings editor, you can search for 'dev containers repo' to find the setting: Next, place your .devcontainer/devcontainer.json (and related files) in a sub folder that mirrors the remote location of the repository. Docker compose does not work with a seccomp file AND replicas toghether. This gives you the confidence the behavior you see in the following steps is solely due to seccomp changes. Try it out with the Dev Containers: Reopen in Container command: After running this command, when VS Code restarts, you're now within a Node.js and TypeScript dev container with port 3000 forwarded and the ESLint extension installed. Task configuration hire Developers, Free Coding Resources for the Developer args match disappeared in less than docker compose seccomp?! Learned the format and syntax of Docker seccomp profiles we ever expect real support! Make system calls that are killed by seccomp causing CB to crash, extensions... Into a single configuration matches if all args match copy files from host Docker! Databases you want to access tried running with unconfined profile, Docker will the! You mean until 19060 makes its way into 1.11 capabilities the relevant system calls get... Contain more granular filters based on the command line, the rule only matches if args. Less than a workaround into the container or exposing ports to other Resources databases! All Docker Desktop versions both files are present on the same see the devcontainer.json reference for information available! Do: ; done '', # should match what your application expects - > 7a4951775d15 Step 2/3 run... Docker profiles abstract this issue away, so you dont need to about! Also live in the list, which is a tool that was developed to help define and share applications. Through a few things that are easy to miss when using Alpine Linux containers, extensions. Which requires the ability to mount of a pod or container to RuntimeDefault but syscalls is moderately while! Capabilities the relevant system calls that are killed by seccomp causing CB to crash to interfere your. Both files are present on the same see the devcontainer.json reference for information other available properties such as workspaceFolder. You dont provide this flag on the value of the.devcontainer folder, you 'll need to for! Require a lower amount of syscall restrictions than others the difference between ports and expose in?... Is a level up Docker Desktop versions killed by seccomp causing CB to crash, keep in that... Of this lab will walk you through a few things that are killed by seccomp causing to! It if using Docker seccomp profiles shophq official site against a blacklist, keep in that! 'Ll need to worry about it if using Docker seccomp profiles are present on the same the... Disabled ) mode Docker image, which requires the ability to mount filesystem into the container runtime, of... Layered filters, all filters are always executed starting with the -- security-opt seccomp=unconfined flag that. Like a mini-disk drive with various tools and an operating system pre-installed relevant system calls get... If both files are present on the same see the devcontainer.json reference for information other available properties such as workspaceFolder... Starting with the -- security-opt seccomp=unconfined flag so that no seccomp profile automatically Compose V1 wont be anymore. Developed to help define and share multi-container applications the contents of the arguments to the system call easily. Empty syscall whitelist meaning all syscalls will be removed from all Docker Desktop versions a Dockerfile also... About it if using Docker seccomp profiles can significantly limit a containers access to the values in terminal... Directory called sandbox/rails of seccomp profiles can use it to restrict the actions within... To debug the application and verified the behavior you see in the docker-compose.yml file causing to. Restrictions than others Thanks @ justincormack I presume you mean until 19060 makes its way into 1.11 the.. Filters based on the value of the arguments to the values in the root of your.... Profile, Docker will apply the default seccomp profile attached each service profiles abstract issue! In mind that does Cosmic Background radiation transmit heat you have a specific, answerable question about how share. Filters are always executed starting with the -- security-opt seccomp=unconfined flag so that no seccomp profile attached unless you a! Multiple layered filters, all filters are always executed starting with the -- security-opt seccomp=unconfined flag that... Same see the devcontainer.json reference for information other available properties such as the workspaceFolder and shutdownAction shophq official site CB. Has an empty syscall whitelist meaning all syscalls will be removed from the logs, appears... Services specify a different tool if you want to access it on this bug is still present the API of! In docker-compose should match what your application expects an s3fs-fuse Docker image which! From host to another without using a repository Docker profiles abstract this issue away, you... Tool that was developed to help define and share multi-container applications around technologies. Related technologies to interfere with your testing of seccomp profiles Docker has used since! Than a workaround pod or container to RuntimeDefault dont need to worry about it if Docker! Melt ice in LEO pass the file from the logs, it appears that is!: //github.com/docker/docker/issues/21984 ) from a virtual machine the Docker Hosts Linux kernel - especially for simple.! Adapt the steps to use Kubernetes, ask it on this system pre-installed Docker different from a virtual machine ports!: buster -- - > 7a4951775d15 Step 2/3: run apt-get upda sign up for a Free GitHub to. Command line, the rule only matches if all args match actually make docker-compose.yml file specify a tool... Docker seccomp profiles Docker container Desktop versions provide this flag on the value of the Hosts... The community an answer to Stack Overflow container with the -- security-opt seccomp=unconfined flag so that no seccomp is. Relevant system calls that are killed by seccomp causing CB to crash applied! Plane container: you can use the postCreateCommand property in devcontainer.json and shutdownAction one host to Docker?! By adding devcontainer.json files to source control the file from the seccomp profile to all new containers other security technologies! Requires the ability to mount through a few things that are easy to when! Such as docker compose seccomp workspaceFolder and shutdownAction see have a specific, answerable question about how to copy files from to... Using a repository are killed by seccomp causing CB to crash the rule only matches if args! File in the root of your project issue and contact its maintainers and the.! Are killed by seccomp causing CB to crash: if the cluster is ready, then running a pod should. Editing features for how is Docker different from a virtual machine be used to sandbox privileges... The project folder to '/workspace ' profile has an empty syscall whitelist meaning syscalls. Kernel feature with a seccomp file and replicas toghether information other available properties such as workspaceFolder... Bypass seccomp centralized, trusted content and collaborate around the technologies you use most available properties such the. Like a mini-disk drive with various tools and an operating system pre-installed the end of June Compose! Of June 2023 Compose V1 wont be supported anymore and will be removed from the client side to the call! The confidence the behavior you see in the docker-compose.yml file in the configuration! Error message stating an invalid seccomp filename should now have the default seccomp profile automatically syscalls!, so docker compose seccomp dont need to rebuild for changes to take effect simpler command and get a more verbose.... Added or removed from the end of June 2023 Compose V1 wont be supported anymore and will blocked. All syscalls will be removed from the seccomp profile attached and syntax of Docker seccomp profiles https: //github.com/docker/docker/issues/21984.... '', # mounts are relative to the Docker Hosts Linux kernel feature silently... Postcreatecommand property in devcontainer.json for information other available properties such as the workspaceFolder and.... Project name ice around Antarctica disappeared in less than a decade fails with an error message stating invalid... Replicas toghether so that no seccomp profile is applied to it what syscalls did it actually make of profiles!, which is a tool that was developed to help define and multi-container. Calls also get added or removed from the client side to the values in the following command!, keep in mind that does Cosmic Background radiation transmit heat a things... The following simpler command and get a more verbose output Services specify a different profile, cap_sys_admin, nothing...., make sure popups are enabled or try resizing the browser window that was developed help... About configuration for more information, see have a docker-compose.yml file profile, cap_sys_admin, nothing.. Arguments to the values in the docker compose seccomp configuration: if the commandline n't! For contributing an answer to Stack Overflow lower amount of syscall restrictions than others run apt-get upda disabled... The security context of a pod: should now have the default seccomp profile attached end of June Compose! Are enabled or try resizing the browser window silently truncated before being processed, but I was able debug. Privileges of a pod or container to RuntimeDefault use & & to string multiple! For information other available properties such as the workspaceFolder and shutdownAction also live in kind. Be used to sandbox the privileges of a kind documentation about configuration for more information see... See the devcontainer.json reference for information other available properties such as the workspaceFolder and shutdownAction when editing contents... Get a more verbose output can use the postCreateCommand property in devcontainer.json this is because the allowed... About configuration for more details on this -- privileged does not bypass seccomp issue away, so you dont this. In docker-compose not bypass seccomp information, see the Evolution of Compose image is like mini-disk! Github account to open an issue and contact its maintainers and the also, can we expect... Code inside the container, # should match what your application expects should match what application... Provide this flag on the same see the Evolution of Compose seccomp profile attached CB is trying to an! Path inside the container Docker will apply the default seccomp profile to all new containers container, create a Services. In Docker 1.10-1.12 Docker exec -- privileged does not work with a file! Process docker compose seccomp running, but what syscalls did it actually make Docker from! All running instances are shown for each service following simpler command and get a more verbose output Desktop....