Remove requirement for rootfs path to be relative #394
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LGTM These lines where added to the spec from the initial import but there is no real technical reason why this needs to be included in the directory when we have the information about where its located. The initial spec also said that all "bind" mounts must be included in the bundle and be relative but we also learned that this was too much of a burden for no real technical gain. |
| @@ -8,7 +8,7 @@ See also [OS X application bundles](http://en.wikipedia.org/wiki/Bundle_%28OS_X% | |||
| The definition of a bundle is only concerned with how a container, and its configuration data, are stored on a local file system so that it can be consumed by a compliant runtime. | |||
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| A Standard Container bundle contains all the information needed to load and run a container. | |||
| This includes the following artifacts which MUST all reside in the same directory on the local filesystem: | |||
| This MUST include the following artifacts: | |||
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I agree with removing the bit about "same dir" from above, but then I think you need to add it below for each artifact that still need to be in that dir - like config.json.
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To be clear, what I'm worried about is someone thinking its ok to put config.json in some nested dir instead of the root of the bundle dir. And w/o some kind of -f flag I don't think we support that yet.
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What would be a better sentence to add that clarifies that they should be located at the root?
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I was thinking that on line 14 we say:
This REQUIRED file MUST reside in the root of the bundle directory and MUST be named `config.json`.
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That sounds good to me. Will update shortly
Closes opencontainers#389 Signed-off-by: Kenfe-Mickael Laventure <mickael.laventure@gmail.com>
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Updated wording to ensure that it is made clear that |
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thanks! |
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LGTM |
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Some history behind bundle requirements: * 77d44b1 (Update runtime.md, 2015-06-16) lands the initial reference to a root filesystem, requiring a relative path. It also lands the "bundle" construct, which at this point includes content directories, signatures, and the configuration file. The content directories "at least" include the root filesystem. * 5d2eb18 (*: re-org the spec, 2015-06-24) shifts the bundle docs to bundle.md and demotes signatures to "other related content". * 91f5ad7 (bundle.md: various updates to latest spec, 2015-07-02, opencontainers#55) finishes the signature demotion and strengthens the root-inclusion requirement with another "must include". * 7232e4b (specs: introduce the concept of a runtime.json, 2015-07-30, opencontainers#88) split out runtime.json, required the root directory to exist at `rootfs`, and dropped most references to "content directories". * 106ec2d (Cleanup bundle.md, 2015-10-02, opencontainers#210) kept the requirement for a rootfs directory in the bundle root, but relaxed the name requirement to allow other single-component names (e.g. `my-rootfs`). Dropped the last reference to "content directories". * cb2da54 (config: Single, unified config file, 2015-12-28, opencontainers#284) rolled runtime.json back into config.json. * b2e9154 (Remove requirement for rootfs path to be relative, 2016-04-22, opencontainers#394) allowed absolute paths for root.path and removed some "same directory" language while leaving other "same directory" language. I think the root filesystem should be optional [1], but even folks who disagree on that point have come to the conclusion that it doesn't need to be in the bundle [2]. opencontainers#394 seems partially unfinished, but I think the intention was clear. Once you relax the "bundle must contain the root filesystem" requirement, the only thing that the bundle must contain is config.json. It doesn't seem to be worth the trouble to name a "bundle" construct if its only meaning is "the directory that holds config.json", so this commit removes all remaining references to the term "bundle". [1]: https://groups.google.com/a/opencontainers.org/forum/#!topic/dev/6ZKMNWujDhU Subject: Dropping the rootfs requirement and restoring arbitrary bundle content Date: Wed, 26 Aug 2015 12:54:47 -0700 Message-ID: <20150826195447.GX21585@odin.tremily.us> [2]: opencontainers#389 (comment) Signed-off-by: W. Trevor King <wking@tremily.us>
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Some history behind bundle requirements: * 77d44b1 (Update runtime.md, 2015-06-16) lands the initial reference to a root filesystem, requiring a relative path. It also lands the "bundle" construct, which at this point includes content directories, signatures, and the configuration file. The content directories "at least" include the root filesystem. * 5d2eb18 (*: re-org the spec, 2015-06-24) shifts the bundle docs to bundle.md and demotes signatures to "other related content". * 91f5ad7 (bundle.md: various updates to latest spec, 2015-07-02, opencontainers#55) finishes the signature demotion and strengthens the root-inclusion requirement with another "must include". * 7232e4b (specs: introduce the concept of a runtime.json, 2015-07-30, opencontainers#88) split out runtime.json, required the root directory to exist at `rootfs`, and dropped most references to "content directories". * 106ec2d (Cleanup bundle.md, 2015-10-02, opencontainers#210) kept the requirement for a rootfs directory in the bundle root, but relaxed the name requirement to allow other single-component names (e.g. `my-rootfs`). Dropped the last reference to "content directories". * cb2da54 (config: Single, unified config file, 2015-12-28, opencontainers#284) rolled runtime.json back into config.json. * b2e9154 (Remove requirement for rootfs path to be relative, 2016-04-22, opencontainers#394) allowed absolute paths for root.path and removed some "same directory" language while leaving other "same directory" language. I think the root filesystem should be optional [1], but even folks who disagree on that point have come to the conclusion that it doesn't need to be in the bundle [2]. opencontainers#394 seems partially unfinished, but I think the intention was clear. Once you relax the "bundle must contain the root filesystem" requirement, the only thing that the bundle must contain is config.json. It doesn't seem to be worth the trouble to name a "bundle" construct if its only meaning is "the directory that holds config.json", so this commit removes all remaining references to the term "bundle". [1]: https://groups.google.com/a/opencontainers.org/forum/#!topic/dev/6ZKMNWujDhU Subject: Dropping the rootfs requirement and restoring arbitrary bundle content Date: Wed, 26 Aug 2015 12:54:47 -0700 Message-ID: <20150826195447.GX21585@odin.tremily.us> [2]: opencontainers#389 (comment) Signed-off-by: W. Trevor King <wking@tremily.us>
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Some history behind bundle requirements: * 77d44b1 (Update runtime.md, 2015-06-16) lands the initial reference to a root filesystem, requiring a relative path. It also lands the "bundle" construct, which at this point includes content directories, signatures, and the configuration file. The content directories "at least" include the root filesystem. * 5d2eb18 (*: re-org the spec, 2015-06-24) shifts the bundle docs to bundle.md and demotes signatures to "other related content". * 91f5ad7 (bundle.md: various updates to latest spec, 2015-07-02, opencontainers#55) finishes the signature demotion and strengthens the root-inclusion requirement with another "must include". * 7232e4b (specs: introduce the concept of a runtime.json, 2015-07-30, opencontainers#88) split out runtime.json, required the root directory to exist at `rootfs`, and dropped most references to "content directories". * 106ec2d (Cleanup bundle.md, 2015-10-02, opencontainers#210) kept the requirement for a rootfs directory in the bundle root, but relaxed the name requirement to allow other single-component names (e.g. `my-rootfs`). Dropped the last reference to "content directories". * cb2da54 (config: Single, unified config file, 2015-12-28, opencontainers#284) rolled runtime.json back into config.json. * b2e9154 (Remove requirement for rootfs path to be relative, 2016-04-22, opencontainers#394) allowed absolute paths for root.path and removed some "same directory" language while leaving other "same directory" language. I think the root filesystem should be optional [1], but even folks who disagree on that point have come to the conclusion that it doesn't need to be in the bundle [2]. opencontainers#394 seems partially unfinished, but I think the intention was clear. Once you relax the "bundle must contain the root filesystem" requirement, the only thing that the bundle must contain is config.json. It doesn't seem to be worth the trouble to name a "bundle" construct if its only meaning is "the directory that holds config.json", so this commit removes all remaining references to the term "bundle". [1]: https://groups.google.com/a/opencontainers.org/forum/#!topic/dev/6ZKMNWujDhU Subject: Dropping the rootfs requirement and restoring arbitrary bundle content Date: Wed, 26 Aug 2015 12:54:47 -0700 Message-ID: <20150826195447.GX21585@odin.tremily.us> [2]: opencontainers#389 (comment) Signed-off-by: W. Trevor King <wking@tremily.us>
wking
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Some history behind bundle requirements: * 77d44b1 (Update runtime.md, 2015-06-16) lands the initial reference to a root filesystem, requiring a relative path. It also lands the "bundle" construct, which at this point includes content directories, signatures, and the configuration file. The content directories "at least" include the root filesystem. * 5d2eb18 (*: re-org the spec, 2015-06-24) shifts the bundle docs to bundle.md and demotes signatures to "other related content". * 91f5ad7 (bundle.md: various updates to latest spec, 2015-07-02, opencontainers#55) finishes the signature demotion and strengthens the root-inclusion requirement with another "must include". * 7232e4b (specs: introduce the concept of a runtime.json, 2015-07-30, opencontainers#88) split out runtime.json, required the root directory to exist at `rootfs`, and dropped most references to "content directories". * 106ec2d (Cleanup bundle.md, 2015-10-02, opencontainers#210) kept the requirement for a rootfs directory in the bundle root, but relaxed the name requirement to allow other single-component names (e.g. `my-rootfs`). Dropped the last reference to "content directories". * cb2da54 (config: Single, unified config file, 2015-12-28, opencontainers#284) rolled runtime.json back into config.json. * b2e9154 (Remove requirement for rootfs path to be relative, 2016-04-22, opencontainers#394) allowed absolute paths for root.path and removed some "same directory" language while leaving other "same directory" language. I think the root filesystem should be optional [1], but even folks who disagree on that point have come to the conclusion that it doesn't need to be in the bundle [2]. opencontainers#394 seems partially unfinished, but I think the intention was clear. Once you relax the "bundle must contain the root filesystem" requirement, the only thing that the bundle must contain is config.json. It doesn't seem to be worth the trouble to name a "bundle" construct if its only meaning is "the directory that holds config.json", so this commit removes all remaining references to the term "bundle". [1]: https://groups.google.com/a/opencontainers.org/forum/#!topic/dev/6ZKMNWujDhU Subject: Dropping the rootfs requirement and restoring arbitrary bundle content Date: Wed, 26 Aug 2015 12:54:47 -0700 Message-ID: <20150826195447.GX21585@odin.tremily.us> [2]: opencontainers#389 (comment) Signed-off-by: W. Trevor King <wking@tremily.us>
wking
added a commit
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that referenced
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May 24, 2016
Some history behind bundle requirements: * 77d44b1 (Update runtime.md, 2015-06-16) lands the initial reference to a root filesystem, requiring a relative path. It also lands the "bundle" construct, which at this point includes content directories, signatures, and the configuration file. The content directories "at least" include the root filesystem. * 5d2eb18 (*: re-org the spec, 2015-06-24) shifts the bundle docs to bundle.md and demotes signatures to "other related content". * 91f5ad7 (bundle.md: various updates to latest spec, 2015-07-02, opencontainers#55) finishes the signature demotion and strengthens the root-inclusion requirement with another "must include". * 7232e4b (specs: introduce the concept of a runtime.json, 2015-07-30, opencontainers#88) split out runtime.json, required the root directory to exist at `rootfs`, and dropped most references to "content directories". * 106ec2d (Cleanup bundle.md, 2015-10-02, opencontainers#210) kept the requirement for a rootfs directory in the bundle root, but relaxed the name requirement to allow other single-component names (e.g. `my-rootfs`). Dropped the last reference to "content directories". * cb2da54 (config: Single, unified config file, 2015-12-28, opencontainers#284) rolled runtime.json back into config.json. * b2e9154 (Remove requirement for rootfs path to be relative, 2016-04-22, opencontainers#394) allowed absolute paths for root.path and removed some "same directory" language while leaving other "same directory" language. I think the root filesystem should be optional [1], but even folks who disagree on that point have come to the conclusion that it doesn't need to be in the bundle [2]. opencontainers#394 seems partially unfinished, but I think the intention was clear. Once you relax the "bundle must contain the root filesystem" requirement, the only thing that the bundle must contain is config.json. It doesn't seem to be worth the trouble to name a "bundle" construct if its only meaning is "the directory that holds config.json", so this commit removes all remaining references to the term "bundle". [1]: https://groups.google.com/a/opencontainers.org/forum/#!topic/dev/6ZKMNWujDhU Subject: Dropping the rootfs requirement and restoring arbitrary bundle content Date: Wed, 26 Aug 2015 12:54:47 -0700 Message-ID: <20150826195447.GX21585@odin.tremily.us> [2]: opencontainers#389 (comment) Signed-off-by: W. Trevor King <wking@tremily.us>
wking
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Recently b2e9154 (Remove requirement for rootfs path to be relative, 2016-04-22, opencontainers#394) relaxed the relative-path requirement on root.path to allow absolute paths (see also discussion in [1]). The motivation being that, while most folks will want a relative-path pointing into the bundle directory, there are valid use cases that don't do that, and we want to support them too [2,3]. However, allowing absolute paths but requiring them to point to a directory lying next to config.json seems to defeat the purpose. This commit removes the "root.path must point to a directory next to config.json" restriction, so folks who want absolute paths in root.path can use them without an unnecessary restriction. And again, most folks will put their rootfs alongside config.json or elsewhere inside the bundle directory. But this list was about "This MUST include the following artifacts", and we don't want to require *everyone* to do that. [1]: opencontainers#389 [2]: opencontainers#389 (comment) [3]: opencontainers#394 (comment) Signed-off-by: W. Trevor King <wking@tremily.us>
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Closes #389
Signed-off-by: Kenfe-Mickael Laventure mickael.laventure@gmail.com