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Merge pull request #84 from BnMcG/noissue-repos-environment-interpolation

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Allow environment variable interpolation in Helm repository configuration
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Joachim Hill-Grannec 2020-03-31 22:29:47 -06:00 committed by GitHub
parent 591b084970 1f2da68bbb
commit e0157d9bc2
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3 changed files with 11 additions and 3 deletions
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2
docs/parameter_reference.md
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@ -95,7 +95,7 @@ values_files: [ "./over_9,000.yml" ]
values_files: [ "./over_9", "000.yml" ]
```
### Interpolating secrets into the `values` and `string_values` settings
### Interpolating secrets into the `values`, `string_values` and `add_repos` settings
If you want to send secrets to your charts, you can use syntax similar to shell variable interpolation--either `$VARNAME` or `$${VARNAME}`. The double dollar-sign is necessary when using curly brackets; using curly brackets with a single dollar-sign will trigger Drone's string substitution (which can't use arbitrary environment variables). If an environment variable is not set, it will be treated as if it were set to the empty string.

7
internal/env/config.go vendored
View file

@ -2,11 +2,12 @@ package env
import (
"fmt"
"github.com/kelseyhightower/envconfig"
"io"
"os"
"regexp"
"strings"
"github.com/kelseyhightower/envconfig"
)
var (
@ -119,6 +120,10 @@ func (cfg *Config) loadValuesSecrets() {
cfg.Values = findVar.ReplaceAllStringFunc(cfg.Values, replacer)
cfg.StringValues = findVar.ReplaceAllStringFunc(cfg.StringValues, replacer)
for i := 0; i < len(cfg.AddRepos); i++ {
cfg.AddRepos[i] = findVar.ReplaceAllStringFunc(cfg.AddRepos[i], replacer)
}
}
func (cfg Config) logDebug() {

5
internal/env/config_test.go vendored
View file

@ -2,10 +2,11 @@ package env
import (
"fmt"
"github.com/stretchr/testify/suite"
"os"
"strings"
"testing"
"github.com/stretchr/testify/suite"
)
type ConfigTestSuite struct {
@ -191,12 +192,14 @@ func (suite *ConfigTestSuite) TestNewConfigWithValuesSecrets() {
suite.setenv("SECRET_RINGS", "1")
suite.setenv("PLUGIN_VALUES", "fire=$SECRET_FIRE,water=${SECRET_WATER}")
suite.setenv("PLUGIN_STRING_VALUES", "rings=${SECRET_RINGS}")
suite.setenv("PLUGIN_ADD_REPOS", "testrepo=https://user:${SECRET_FIRE}@testrepo.test")
cfg, err := NewConfig(&strings.Builder{}, &strings.Builder{})
suite.Require().NoError(err)
suite.Equal("fire=Eru_Ilúvatar,water=", cfg.Values)
suite.Equal("rings=1", cfg.StringValues)
suite.Equal(fmt.Sprintf("testrepo=https://user:%s@testrepo.test", os.Getenv("SECRET_FIRE")), cfg.AddRepos[0])
}
func (suite *ConfigTestSuite) TestValuesSecretsWithDebugLogging() {