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Mirror plugins during build #93

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merged 1 commit into from
Sep 9, 2022
Merged

Mirror plugins during build #93

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1 change: 1 addition & 0 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -49,6 +49,7 @@ Terraform providers are installed into the bundle during porter build.
We recommend that you put your provider declarations into a single file, e.g. "terraform/providers.tf".
Then use `initFile` to specify the relative path to this file within workingDir.
This will dramatically improve Docker image layer caching and performance when building, publishing and installing the bundle.
> Note: this approach isn't suitable when using terraform modules as those need to be "initilized" as well but aren't specified in the `initFile`. You shouldn't specifiy an `initFile` in this situation.

## Terraform state

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10 changes: 7 additions & 3 deletions pkg/terraform/build.go
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Expand Up @@ -10,11 +10,15 @@ import (

const dockerfileLines = `
RUN apt-get update && apt-get install -y wget unzip && \
apt-get clean -y && rm -rf /var/lib/apt/lists/* && \
wget https://releases.hashicorp.com/terraform/{{.ClientVersion}}/terraform_{{.ClientVersion}}_linux_amd64.zip && \
unzip terraform_{{.ClientVersion}}_linux_amd64.zip -d /usr/bin && \
rm terraform_{{.ClientVersion}}_linux_amd64.zip
COPY {{.WorkingDir}}/{{.InitFile}} $BUNDLE_DIR/{{.WorkingDir}}/
RUN cd $BUNDLE_DIR/{{.WorkingDir}} && terraform init -backend=false
RUN cd $BUNDLE_DIR/{{.WorkingDir}} && \
terraform init -backend=false && \
rm -fr .terraform/providers && \
terraform providers mirror /usr/local/share/terraform/plugins
`

// BuildInput represents stdin passed to the mixin for the build command.
Expand All @@ -24,8 +28,8 @@ type BuildInput struct {

// MixinConfig represents configuration that can be set on the terraform mixin in porter.yaml
// mixins:
// - terraform:
// version: 0.12.17
// - terraform:
// version: 0.12.17
type MixinConfig struct {
ClientVersion string `yaml:"clientVersion,omitempty"`
InitFile string `yaml:"initFile,omitempty"`
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