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Pass AWS credentials as environment variables #99

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Oct 13, 2021
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Pass AWS credentials as environment variables #99

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2 changes: 1 addition & 1 deletion go.mod
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Original file line number Diff line number Diff line change
Expand Up @@ -4,7 +4,7 @@ go 1.16

require (
github.com/aws/aws-sdk-go-v2 v0.23.0
github.com/crossplane-contrib/terrajet v0.1.0
github.com/crossplane-contrib/terrajet v0.1.1-0.20211013144440-cea951a7b6a0
github.com/crossplane/crossplane-runtime v0.15.1-0.20211004150827-579c1833b513
github.com/crossplane/crossplane-tools v0.0.0-20210916125540-071de511ae8e
github.com/crossplane/provider-aws v0.19.0
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4 changes: 2 additions & 2 deletions go.sum
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Expand Up @@ -176,8 +176,8 @@ github.com/cpuguy83/go-md2man/v2 v2.0.0/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsr
github.com/creack/pty v1.1.7/go.mod h1:lj5s0c3V2DBrqTV7llrYr5NG6My20zk30Fl46Y7DoTY=
github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
github.com/creack/pty v1.1.11/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
github.com/crossplane-contrib/terrajet v0.1.0 h1:V1NAIzneLEGBsO8xoPhksTAu1T6dYmvEZ2no/c9lE+A=
github.com/crossplane-contrib/terrajet v0.1.0/go.mod h1:qqmEllC3g+ZYm5uMXu3Hc/mzmWftlujtn+BeO3Ez108=
github.com/crossplane-contrib/terrajet v0.1.1-0.20211013144440-cea951a7b6a0 h1:Vj+OJt+JHK6XhvxjMKdCS0gqoI84aCQV/gOonU4wFoM=
github.com/crossplane-contrib/terrajet v0.1.1-0.20211013144440-cea951a7b6a0/go.mod h1:qqmEllC3g+ZYm5uMXu3Hc/mzmWftlujtn+BeO3Ez108=
github.com/crossplane/crossplane-runtime v0.14.0/go.mod h1:Bc54/KBvV9ld/tvervcnhcSzk13FYguTqmYt72Mybps=
github.com/crossplane/crossplane-runtime v0.15.1-0.20211004150827-579c1833b513 h1:Sk3QurYYpy8x3c0DvTh9iGYFSv8WgdhnjCalNqNqlRI=
github.com/crossplane/crossplane-runtime v0.15.1-0.20211004150827-579c1833b513/go.mod h1:gKix9Gq5kRzVe/4XOpwlFgG7OurzrYayviJxWZakhw0=
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19 changes: 16 additions & 3 deletions internal/clients/aws.go
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Expand Up @@ -2,6 +2,7 @@ package clients

import (
"context"
"fmt"

"github.com/aws/aws-sdk-go-v2/aws"
"github.com/crossplane-contrib/terrajet/pkg/terraform"
Expand All @@ -17,6 +18,15 @@ import (
"github.com/crossplane-contrib/provider-tf-aws/apis/v1alpha1"
)

const (
// AWS credentials environment variable names
envSessionToken = "AWS_SESSION_TOKEN"
envAccessKeyID = "AWS_ACCESS_KEY_ID"
envSecretAccessKey = "AWS_SECRET_ACCESS_KEY"

fmtEnvVar = "%s=%s"
)

// TerraformSetupBuilder returns Terraform setup with provider specific
// configuration like provider credentials used to connect to cloud APIs in the
// expected form of a Terraform provider.
Expand Down Expand Up @@ -73,11 +83,14 @@ func TerraformSetupBuilder(version, providerSource, providerVersion string) terr
// e.g. what about setting an assume_role section: https://registry.terraform.io/providers/hashicorp/aws/latest/docs#argument-reference
tfCfg := map[string]interface{}{}
tfCfg["region"] = awsConf.Region
tfCfg["access_key"] = creds.AccessKeyID
tfCfg["secret_key"] = creds.SecretAccessKey
tfCfg["token"] = creds.SessionToken

ps.Configuration = tfCfg
// set credentials environment
ps.Env = []string{
fmt.Sprintf(fmtEnvVar, envAccessKeyID, creds.AccessKeyID),
fmt.Sprintf(fmtEnvVar, envSecretAccessKey, creds.SecretAccessKey),
fmt.Sprintf(fmtEnvVar, envSessionToken, creds.SessionToken),
}

return ps, err
}
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