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kubernetes: Simplify and freshen the required-files table 

The cri-o entries are stale vs. the content currently installed by the
Makefile.  This commit drops them and just references the make call
before starting the table, which lets us stay DRY.

runc is not built from the cri-o repository.  The docs have claimed it
was since 983aec63 (doc: Add instruction to run cri-o with kubernetes,
2017-01-31, #353), but it's independent like the CNI plugins.

The CNI plugins were moved to containernetworking/plugins in
containernetworking/cni@bc0d09e (plugins: moved to
containernetworking/plugins, 2017-05-17, containernetworking/cni#457).

I've added a link to the in-repo policy.json example.  We probably
also want to link to the docs (for the version we vendor?) [1], but
I've left that alone for now.

The CNI config examples were removed from the project README in
9088a12c (contrib: cni: provide example CNI configurations,
2016-12-24, #295).  I've adjusted the reference to point to the new
location, although again, I'd rather replace this with links to
upstream docs.

[1]: 3d0304a021/docs/policy.json.md

Signed-off-by: W. Trevor King <wking@tremily.us>
This commit is contained in:
W. Trevor King 2018-01-18 12:56:45 -08:00
parent bf8a99c085
commit 15d839ea0d
1 changed files with 8 additions and 10 deletions
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18
kubernetes.md
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@ -13,17 +13,15 @@ Below, you can find an instruction how to switch one or more nodes on running ku
### Preparing crio
You must prepare and install `crio` on each node you would like to switch. Here's the list of files that must be provided:
You must prepare and install `crio` on each node you would like to switch.
Besides the files installed by `make install install.config`, here's the list of files that must be provided:
| File path | Description | Location |
|--------------------------------------------|----------------------------|-----------------------------------------------------|
| `/etc/crio/crio.conf` | crio configuration | Generated on cri-o `make install` |
| `/etc/crio/seccomp.conf` | seccomp config | Example stored in cri-o repository |
| `/etc/containers/policy.json` | containers policy | Example stored in cri-o repository |
| `/bin/{crio, runc}` | `crio` and `runc` binaries | Built from cri-o repository |
| `/usr/local/libexec/crio/conmon` | `conmon` binary | Built from cri-o repository |
| `/opt/cni/bin/{flannel, bridge,...}` | CNI plugins binaries | Can be built from sources `containernetworking/cni` |
| `/etc/cni/net.d/10-mynet.conf` | Network config | Example stored in [README file](README.md) |
| File path | Description | Location |
|--------------------------------------------|-----------------------------|---------------------------------------------------------|
| `/etc/containers/policy.json` | containers policy | [Example](test/policy.json) stored in cri-o repository |
| `/bin/runc` | `runc` or other OCI runtime | Can be build from sources `opencontainers/runc` |
| `/opt/cni/bin/{flannel, bridge,...}` | CNI plugins binaries | Can be built from sources `containernetworking/plugins` |
| `/etc/cni/net.d/...` | CNI network config | Example [here](contrib/cni) |
`crio` binary can be executed directly on host, inside the container or in any way.
However, recommended way is to set it as a systemd service.