mirror of https://github.com/k3d-io/k3d
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# commands |
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## create |
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``` |
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k3d |
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|- create |
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| |- cluster [NAME ] [flags] |
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| |- node [NAME ] [flags] |
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| |
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|- delete |
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| |- cluster [NAME ] [flags] |
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| |- node [NAME ] [flags] |
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|- get |
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| |- cluster |
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| |- node |
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|- start |
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| |- cluster |
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| |- node |
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|- stop |
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| |- cluster |
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| |- node |
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``` |
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/* |
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Copyright © 2019 Thorsten Klein <iwilltry42@gmail.com> |
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Permission is hereby granted, free of charge, to any person obtaining a copy |
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of this software and associated documentation files (the "Software"), to deal |
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in the Software without restriction, including without limitation the rights |
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
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copies of the Software, and to permit persons to whom the Software is |
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furnished to do so, subject to the following conditions: |
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The above copyright notice and this permission notice shall be included in |
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all copies or substantial portions of the Software. |
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|
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
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THE SOFTWARE. |
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*/ |
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package docker |
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import ( |
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docker "github.com/docker/docker/api/types/container" |
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"github.com/docker/go-connections/nat" |
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k3d "github.com/rancher/k3d/pkg/types" |
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) |
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func TranslateNodeToContainer(node *k3d.Node) (docker.Config, error) { |
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container := docker.Config{} |
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container.Hostname = node.Name |
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container.Image = node.Image |
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//container.Ports = // TODO: translate from what we have to []docker.Port
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container.Labels = node.Labels |
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container.ExposedPorts = nat.PortSet{} // TODO:
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container.Env = []string{} // TODO:
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container.Cmd = []string{} // TODO: dependent on role and extra args
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container.Volumes = map[string]struct{}{} // TODO:
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return container, nil |
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} |
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# Thoughts |
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## commands |
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### `create` |
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```shell |
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k3d |
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|- create |
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| |- cluster [NAME ] [flags] |
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| |- node [NAME ] [flags] |
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| |
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|- delete |
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| |- cluster [NAME ] [flags] |
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| |- node [NAME ] [flags] |
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|- get |
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| |- cluster |
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| |- node |
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|- start |
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| |- cluster |
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| |- node |
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|- stop |
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| |- cluster |
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| |- node |
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``` |
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## Overview |
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- `cmd/`: everything around the CLI of k3 = human interface, printed output (e.g. list of clusters) |
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- `pkg/`: everything else, can be used as a module from other Go projects |
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- `cluster/`: everything around managing cluster components |
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- `runtimes/`: translate k3d types (node, cluster, etc.) to container runtime specific types and manage them |
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- `types/`: collection of types (structs) and constants used by k3d |
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- `util/`: utilities, that could be used for everything, not directly related to the project |
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## k3d <-> runtime |
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k3d _should_ work with more than one runtime, if we can implement the Runtime interface for it. |
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Here's how k3d types should translate to a runtime type: |
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- `cluster` = set of _containers_ running in the same _network_, maybe mounting the same _volume(s)_ |
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- `node` = _container_ with _exposed ports_ and _volume mounts_ |
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### docker |
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#### node -> container |
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`container = "github.com/docker/docker/api/types/container"` |
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`network = "github.com/docker/docker/api/types/network"` |
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- Name -> container.Hostname = node.Name |
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- Role -> container.Labels["role"] = node.Role |
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- Image -> container.Image = node.Image |
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- Volumes -> container.HostConfig.PortBindings |
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- Env -> |
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- Args -> |
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- Ports -> |
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- Restart -> |
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- Labels -> container.Labels |
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