Replacing package example with CloudRun definition
Signed-off-by: Tihomir Jovicic <tihomir.jovicic.develop@gmail.com>
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Tihomir Jovicic
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216686c7ec
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3137e72057
@ -35,45 +35,82 @@ That will create 2 directories: `.dagger` and `cue.mod` where our package will r
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### Writing the package
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Now that you've initialized your workspace it's time to write a simple package. Package name usually starts with a
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domain name (as in Go) followed with a descriptive name. In this example we will use my Github domain name and call our
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package `echo` because it will print a single line to stdout.
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domain name (as in Go) followed with a descriptive name. In this example we reuse the Cloud Run example and create a
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package from it.
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```shell
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mkdir -p cue.mod/pkg/github.com/tjovicic/echo
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mkdir -p cue.mod/pkg/github.com/tjovicic/gcpcloudrun
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```
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Let's write the package logic. It will spin up an alpine container and print out `Hello` to stdout:
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Let's write the package logic. It is basically what we've seen in the 106-cloudrun example:
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```shell
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touch cue.mod/pkg/github.com/tjovicic/echo/source.cue
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touch cue.mod/pkg/github.com/tjovicic/gcpcloudrun/source.cue
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```
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```cue title="cue.mod/pkg/github.com/tjovicic/echo/source.cue"
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package echo
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```cue title="cue.mod/pkg/github.com/tjovicic/gcpcloudrun/source.cue"
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package gcpcloudrun
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import (
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"alpha.dagger.io/alpine"
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"alpha.dagger.io/os"
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"alpha.dagger.io/dagger"
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"alpha.dagger.io/docker"
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"alpha.dagger.io/gcp"
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"alpha.dagger.io/gcp/cloudrun"
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"alpha.dagger.io/gcp/gcr"
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)
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ctr: os.#Container & {
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image: alpine.#Image & {
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package: {
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bash: "=~5.1"
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#Run: {
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// Source code of the sample application
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src: dagger.#Artifact & dagger.#Input
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// GCR full image name
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imageRef: string & dagger.#Input
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image: docker.#Build & {
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source: src
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}
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gcpConfig: gcp.#Config
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creds: gcr.#Credentials & {
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config: gcpConfig
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}
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push: docker.#Push & {
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target: imageRef
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source: image
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auth: {
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username: creds.username
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secret: creds.secret
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}
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}
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command: "echo Hello"
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deploy: cloudrun.#Service & {
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config: gcpConfig
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image: push.ref
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}
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}
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```
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### Running the package
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Now that you've successfully created a package, let's run it in a new environment. Create a new environment using the
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new `echo` package.
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Now that you've successfully created a package, let's run it in a new environment. Create a new test package using
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our reusable `gcpcloudrun`:
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```shell
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dagger new staging -p github.com/tjovicic/echo
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mkdir test
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cat > test/source.cue << EOF
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package test
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import (
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"github.com/tjovicic/gcpcloudrun"
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)
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run: gcpcloudrun.#Run
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EOF
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dagger new staging -p ./test
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```
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Run it:
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@ -82,26 +119,16 @@ Run it:
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dagger up -e staging
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```
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At the end of the output you should see `Hello` printed out:
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You should see a familiar output:
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```shell
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11:09AM INF system | starting buildkit version=v0.8.3
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WARN[0003] commandConn.CloseWrite: commandconn: failed to wait: signal: terminated
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WARN[0003] commandConn.CloseRead: commandconn: failed to wait: signal: terminated
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WARN[0003] commandConn.CloseWrite: commandconn: failed to wait: signal: terminated
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11:09AM INF ctr | computing
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11:09AM INF ctr.#up[0].from | #5 0.080 fetch https://dl-cdn.alpinelinux.org/alpine/v3.13/main/x86_64/APKINDEX.tar.gz
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11:09AM INF ctr.#up[0].from | #5 0.612 fetch https://dl-cdn.alpinelinux.org/alpine/v3.13/community/x86_64/APKINDEX.tar.gz
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11:09AM INF ctr.#up[0].from | #5 1.094 (1/4) Installing ncurses-terminfo-base (6.2_p20210109-r0)
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11:09AM INF ctr.#up[0].from | #5 1.149 (2/4) Installing ncurses-libs (6.2_p20210109-r0)
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11:09AM INF ctr.#up[0].from | #5 1.273 (3/4) Installing readline (8.1.0-r0)
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11:09AM INF ctr.#up[0].from | #5 1.361 (4/4) Installing bash (5.1.0-r0)
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11:09AM INF ctr.#up[0].from | #5 1.534 Executing bash-5.1.0-r0.post-install
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11:09AM INF ctr.#up[0].from | #5 1.541 Executing busybox-1.32.1-r6.trigger
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11:09AM INF ctr.#up[0].from | #5 1.554 OK: 8 MiB in 18 packages
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11:09AM INF ctr | #6 0.110 Hello
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11:09AM INF ctr | completed duration=5.4s
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Output Value Description
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9:32AM ERR system | required input is missing input=run.src
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9:32AM ERR system | required input is missing input=run.imageRef
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9:32AM ERR system | required input is missing input=run.gcpConfig.region
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9:32AM ERR system | required input is missing input=run.gcpConfig.project
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9:32AM ERR system | required input is missing input=run.gcpConfig.serviceKey
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9:32AM ERR system | required input is missing input=run.deploy.name
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9:32AM FTL system | some required inputs are not set, please re-run with `--force` if you think it's a mistake missing=0s
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```
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## Manually distributing packages
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@ -110,8 +137,8 @@ You've probably guessed this package isn't tied to just your workspace. You can
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of different workspaces and use it as we've showed above.
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```shell
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mkdir -p /my-new-workspace/cue.mod/pkg/github.com/tjovicic/echo
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cp ./cue.mod/pkg/github.com/tjovicic/echo/source.cue /my-new-workspace/cue.mod/pkg/github.com/tjovicic/echo
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mkdir -p /my-new-workspace/cue.mod/pkg/github.com/tjovicic/gcpcloudrun
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cp ./cue.mod/pkg/github.com/tjovicic/gcpcloudrun/source.cue /new-workspace/cue.mod/pkg/github.com/tjovicic/gcpcloudrun
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```
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## Contributing to Dagger stdlib
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