portainer/pkg/libhelm/sdk/values.go

119 lines
3.3 KiB
Go

package sdk
import (
"os"
"github.com/pkg/errors"
"github.com/portainer/portainer/pkg/libhelm/options"
"github.com/portainer/portainer/pkg/libhelm/release"
"github.com/rs/zerolog/log"
"gopkg.in/yaml.v2"
"helm.sh/helm/v3/pkg/action"
)
// GetHelmValuesFromFile reads the values file and parses it into a map[string]any
// and returns the map.
func (hspm *HelmSDKPackageManager) GetHelmValuesFromFile(valuesFile string) (map[string]any, error) {
var vals map[string]any
if valuesFile != "" {
log.Debug().
Str("context", "HelmClient").
Str("values_file", valuesFile).
Msg("Reading values file")
valuesData, err := os.ReadFile(valuesFile)
if err != nil {
log.Error().
Str("context", "HelmClient").
Str("values_file", valuesFile).
Err(err).
Msg("Failed to read values file")
return nil, errors.Wrap(err, "failed to read values file")
}
vals, err = hspm.parseValues(valuesData)
if err != nil {
log.Error().
Str("context", "HelmClient").
Str("values_file", valuesFile).
Err(err).
Msg("Failed to parse values file")
return nil, errors.Wrap(err, "failed to parse values file")
}
}
return vals, nil
}
func (hspm *HelmSDKPackageManager) getValues(getOpts options.GetOptions) (release.Values, error) {
log.Debug().
Str("context", "HelmClient").
Str("namespace", getOpts.Namespace).
Str("name", getOpts.Name).
Msg("Getting values")
actionConfig := new(action.Configuration)
err := hspm.initActionConfig(actionConfig, getOpts.Namespace, getOpts.KubernetesClusterAccess)
if err != nil {
log.Error().
Str("context", "HelmClient").
Str("namespace", getOpts.Namespace).
Err(err).Msg("Failed to initialise helm configuration")
return release.Values{}, err
}
// Create client for user supplied values
userValuesClient := action.NewGetValues(actionConfig)
userSuppliedValues, err := userValuesClient.Run(getOpts.Name)
if err != nil {
log.Error().
Str("context", "HelmClient").
Str("namespace", getOpts.Namespace).
Err(err).Msg("Failed to get user supplied values")
return release.Values{}, err
}
// Create separate client for computed values
computedValuesClient := action.NewGetValues(actionConfig)
computedValuesClient.AllValues = true
computedValues, err := computedValuesClient.Run(getOpts.Name)
if err != nil {
log.Error().
Str("context", "HelmClient").
Str("namespace", getOpts.Namespace).
Err(err).Msg("Failed to get computed values")
return release.Values{}, err
}
userSuppliedValuesByte, err := yaml.Marshal(userSuppliedValues)
if err != nil {
log.Error().
Str("context", "HelmClient").
Err(err).Msg("Failed to marshal user supplied values")
return release.Values{}, err
}
computedValuesByte, err := yaml.Marshal(computedValues)
if err != nil {
log.Error().
Str("context", "HelmClient").
Err(err).Msg("Failed to marshal computed values")
return release.Values{}, err
}
// Handle the case where the values are an empty object
userSuppliedValuesString := string(userSuppliedValuesByte)
if userSuppliedValuesString == "{}\n" {
userSuppliedValuesString = ""
}
computedValuesString := string(computedValuesByte)
if computedValuesString == "{}\n" {
computedValuesString = ""
}
return release.Values{
UserSuppliedValues: userSuppliedValuesString,
ComputedValues: computedValuesString,
}, nil
}