Merge pull request #1800 from gerhard/add-missing-entries-to-dagger-cue-api

Add missing definitions to Dagger CUE API docs page
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Solomon Hykes 2022-03-16 10:28:05 -07:00 committed by GitHub
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@ -0,0 +1,69 @@
---
slug: /1213/api
displayed_sidebar: europa
---
# Dagger CUE API (0.2+)
As of Dagger 0.2 (codename Europa), the Dagger CUE API can be imported via `dagger.io/dagger`
The Dagger CUE API is the set of CUE packages released alongside the Dagger engine.
Developers of other Dagger packages are expected to build on top of these core packages.
### Plan definition
`#Plan` defines the structure of a Dagger plan - a complete configuration executable by `dagger do`
| Definition | File | Description |
| :-- | :-- | :-- |
| `#Plan` | [plan.cue](https://github.com/dagger/dagger/blob/v0.2.0/pkg/dagger.io/dagger/plan.cue) | A special kind of program which `dagger` can execute |
### Core types
Dagger extends the CUE type system with the following core types:
| Definition | File | Description |
| :-- | :-- | :-- |
| `#Address` | [types.cue](https://github.com/dagger/dagger/blob/v0.2.0/pkg/dagger.io/dagger/types.cue) | Network service address |
| `#CacheDir` | [exec.cue](https://github.com/dagger/dagger/blob/v0.2.0/pkg/dagger.io/dagger/exec.cue) | A (best effort) persistent cache dir |
| `#FS` | [types.cue](https://github.com/dagger/dagger/blob/v0.2.0/pkg/dagger.io/dagger/types.cue) | Reference to a filesystem tree |
| `#HealthCheck` | [image.cue](https://github.com/dagger/dagger/blob/v0.2.0/pkg/dagger.io/dagger/image.cue) | Container health check |
| `#ImageConfig` | [image.cue](https://github.com/dagger/dagger/blob/v0.2.0/pkg/dagger.io/dagger/image.cue) | Container image config |
| `#Mount` | [exec.cue](https://github.com/dagger/dagger/blob/v0.2.0/pkg/dagger.io/dagger/exec.cue) | Transient filesystem mount |
| `#Ref` | [image.cue](https://github.com/dagger/dagger/blob/v0.2.0/pkg/dagger.io/dagger/image.cue) | An address for a remote container image |
| `#Scratch` | [types.cue](https://github.com/dagger/dagger/blob/v0.2.0/pkg/dagger.io/dagger/types.cue) | An empty directory |
| `#Secret` | [types.cue](https://github.com/dagger/dagger/blob/v0.2.0/pkg/dagger.io/dagger/types.cue) | Secure reference to an external secret |
| `#Service` | [types.cue](https://github.com/dagger/dagger/blob/v0.2.0/pkg/dagger.io/dagger/types.cue) | Reference to network service endpoints |
| `#TempDir` | [exec.cue](https://github.com/dagger/dagger/blob/v0.2.0/pkg/dagger.io/dagger/exec.cue) | A temporary directory for command execution |
### Core actions
Dagger works by executing actions in a certain order and passing data between actions in a certain layout.
Developers can combine actions into higher-level actions, which in turn can be combined into even higher-level actions,
and so on at arbitrary levels of depth. At the bottom of this abstraction stack are *core actions*: these
are implemented by Dagger itself, and are always available.
The following core actions are available:
| Definition | File | Description |
| :-- | :-- | :-- |
| `#Copy` | [fs.cue](https://github.com/dagger/dagger/blob/v0.2.0/pkg/dagger.io/dagger/fs.cue) | Copy files between two filesystem trees |
| `#DecodeSecret` | [secrets.cue](https://github.com/dagger/dagger/blob/v0.2.0/pkg/dagger.io/dagger/secrets.cue) | Decode a secret without leaking its contents |
| `#Dockerfile` | [image.cue](https://github.com/dagger/dagger/blob/v0.2.0/pkg/dagger.io/dagger/image.cue) | Build a container image using a Dockerfile |
| `#Exec` | [exec.cue](https://github.com/dagger/dagger/blob/v0.2.0/pkg/dagger.io/dagger/exec.cue) | Execute a command in a docker-compatible container |
| `#GitPull` | [git.cue](https://github.com/dagger/dagger/blob/v0.2.0/pkg/dagger.io/dagger/git.cue) | Download a repository from a remote git server |
| `#GitPush` | [git.cue](https://github.com/dagger/dagger/blob/v0.2.0/pkg/dagger.io/dagger/git.cue) | Upload a repository to a remote git server |
| `#HTTPFetch` | [http.cue](https://github.com/dagger/dagger/blob/v0.2.0/pkg/dagger.io/dagger/http.cue) | Download an archive from an HTTP server |
| `#Mkdir` | [fs.cue](https://github.com/dagger/dagger/blob/v0.2.0/pkg/dagger.io/dagger/fs.cue) | Create a directory in a filesystem tree |
| `#NewSecret` | [secrets.cue](https://github.com/dagger/dagger/blob/v0.2.0/pkg/dagger.io/dagger/secrets.cue) | Dynamically create a new secret |
| `#Pull` | [image.cue](https://github.com/dagger/dagger/blob/v0.2.0/pkg/dagger.io/dagger/image.cue) | Download an image from a docker registry |
| `#Push` | [image.cue](https://github.com/dagger/dagger/blob/v0.2.0/pkg/dagger.io/dagger/image.cue) | Upload an image to a docker registry |
| `#ReadFile` | [fs.cue](https://github.com/dagger/dagger/blob/v0.2.0/pkg/dagger.io/dagger/fs.cue) | Read a file from a filesystem tree |
| `#Scratch` | [fs.cue](https://github.com/dagger/dagger/blob/v0.2.0/pkg/dagger.io/dagger/fs.cue) | Create an empty filesystem tree |
| `#Set` | [image.cue](https://github.com/dagger/dagger/blob/v0.2.0/pkg/dagger.io/dagger/image.cue) | Modify a docker image |
| `#Source` | [fs.cue](https://github.com/dagger/dagger/blob/v0.2.0/pkg/dagger.io/dagger/fs.cue) | Access the source for the current CUE package |
| `#Subdir` | [fs.cue](https://github.com/dagger/dagger/blob/v0.2.0/pkg/dagger.io/dagger/fs.cue) | Read a subdirectory from a filesystem tree |
| `#TrimSecret` | [secrets.cue](https://github.com/dagger/dagger/blob/v0.2.0/pkg/dagger.io/dagger/secrets.cue) | Trim leading and trailing space characters from a secret |
| `#WriteFile` | [fs.cue](https://github.com/dagger/dagger/blob/v0.2.0/pkg/dagger.io/dagger/fs.cue) | Write a file to a filesystem tree |

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---
slug: /1213/api
displayed_sidebar: europa
---
# Dagger CUE API (0.2+)
As of Dagger 0.2 (codename Europa), the Dagger CUE API can be imported at `dagger.io/dagger`.
The Dagger CUE API is the set of CUE packages released alongside the Dagger engine, to allow developers to access its features.
### Plan definition
`#Plan` defines the structure of a Dagger plan - a complete configuration executable by `dagger do`.
### Core types
Dagger extends the CUE type system with the following core types:
* `#FS`: a reference to a filesystem tree
* `#Secret`: a secure reference to an external secret
* `#Service` a reference to a network service endpoints
### Core actions
Dagger works by executing actions in a certain order and passing data between actions in a certain layout.
Developers can combine actions into higher-level actions, which in turn can be combined into even higher-level actions,
and so on at arbitrary levels of depth. At the bottom of this abstraction stack are *core actions*: these
are implemented by Dagger itself, and are always available.
The following core actions are available:
| Core action | File | Description |
| -- | -- | -- |
| `#Exec` | exec.cue | Execute a command in a docker-compatible container |
| `#HTTPFetch` | http.cue | Download an archive from an HTTP server |
| `#Push` | image.cue | Upload an image to a docker registry |
| `#Pull` | image.cue | Download an image from a docker registry |
| `#Dockerfile` | image.cue | Execute a Dockerfile |
| `#Set` | image.cue | Modify a docker image |
| `#GitPush` | git.cue | Upload a repository to a remote git server |
| `#GitPull` | git.cue | Download a repository from a remote git server |
| `#DecodeSecret` | secrets.cue | Decode a secret without leaking its contents |
| `#NewSecret` | secrets.cue | Dynamically create a new secret |
| `#Source` | fs.cue | Access the source for the current CUE package |
| `#Mkdir` | fs.cue | Create a directory in a filesystem tree |
| `#ReadFile` | fs.cue | Read a file from a tree |
| `#WriteFile` | fs.cue | Write a file to a tree |
| `#Scratch` | fs.cue | Create an empty tree |
| `#Copy` | fs.cue | Copy files between two trees |
| `#Subdir` | fs.cue | Read a subdirectory from a filesystem tree |

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@ -89,6 +89,7 @@ module.exports = {
"core-concepts/secrets", "core-concepts/secrets",
"core-concepts/container-images", "core-concepts/container-images",
"core-concepts/what-is-cue", "core-concepts/what-is-cue",
"core-concepts/dagger-cue",
], ],
}, },
{ {
@ -98,7 +99,6 @@ module.exports = {
collapsed: false, collapsed: false,
items: [ items: [
"knowledge-base/migrate-from-dagger-0.1", "knowledge-base/migrate-from-dagger-0.1",
"learn/api",
"use-cases/go-docker-swarm", "use-cases/go-docker-swarm",
], ],
}, },