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resource_release.go
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// Copyright (c) HashiCorp, Inc.
// SPDX-License-Identifier: MPL-2.0
package helm
import (
"context"
"encoding/json"
"fmt"
"log"
"net/url"
"os"
"path"
"strings"
"time"
"github.com/hashicorp/terraform-plugin-sdk/v2/diag"
"github.com/hashicorp/terraform-plugin-sdk/v2/helper/schema"
"github.com/hashicorp/terraform-plugin-sdk/v2/helper/validation"
"github.com/pkg/errors"
"helm.sh/helm/v3/pkg/action"
"helm.sh/helm/v3/pkg/chart"
"helm.sh/helm/v3/pkg/chart/loader"
"helm.sh/helm/v3/pkg/downloader"
"helm.sh/helm/v3/pkg/getter"
"helm.sh/helm/v3/pkg/postrender"
"helm.sh/helm/v3/pkg/registry"
"helm.sh/helm/v3/pkg/release"
"helm.sh/helm/v3/pkg/strvals"
"sigs.k8s.io/yaml"
)
// errReleaseNotFound is the error when a Helm release is not found
var errReleaseNotFound = errors.New("release not found")
// defaultAttributes release attribute values
var defaultAttributes = map[string]interface{}{
"verify": false,
"timeout": 300,
"wait": true,
"wait_for_jobs": false,
"disable_webhooks": false,
"atomic": false,
"render_subchart_notes": true,
"disable_openapi_validation": false,
"disable_crd_hooks": false,
"force_update": false,
"reset_values": false,
"reuse_values": false,
"recreate_pods": false,
"max_history": 0,
"skip_crds": false,
"cleanup_on_fail": false,
"dependency_update": false,
"replace": false,
"create_namespace": false,
"lint": false,
"pass_credentials": false,
}
func resourceRelease() *schema.Resource {
return &schema.Resource{
CreateContext: resourceReleaseCreate,
ReadContext: resourceReleaseRead,
DeleteContext: resourceReleaseDelete,
UpdateContext: resourceReleaseUpdate,
Importer: &schema.ResourceImporter{
StateContext: resourceHelmReleaseImportState,
},
CustomizeDiff: resourceDiff,
Schema: map[string]*schema.Schema{
"name": {
Type: schema.TypeString,
Required: true,
ForceNew: true,
Description: "Release name.",
},
"repository": {
Type: schema.TypeString,
Optional: true,
Description: "Repository where to locate the requested chart. If is a URL the chart is installed without installing the repository.",
},
"repository_key_file": {
Type: schema.TypeString,
Optional: true,
Description: "The repositories cert key file",
},
"repository_cert_file": {
Type: schema.TypeString,
Optional: true,
Description: "The repositories cert file",
},
"repository_ca_file": {
Type: schema.TypeString,
Optional: true,
Description: "The Repositories CA File",
},
"repository_username": {
Type: schema.TypeString,
Optional: true,
Description: "Username for HTTP basic authentication",
},
"repository_password": {
Type: schema.TypeString,
Optional: true,
Sensitive: true,
Description: "Password for HTTP basic authentication",
},
"pass_credentials": {
Type: schema.TypeBool,
Optional: true,
Description: "Pass credentials to all domains",
Default: defaultAttributes["pass_credentials"],
},
"chart": {
Type: schema.TypeString,
Required: true,
Description: "Chart name to be installed. A path may be used.",
},
"version": {
Type: schema.TypeString,
Optional: true,
Computed: true,
Description: "Specify the exact chart version to install. If this is not specified, the latest version is installed.",
},
"devel": {
Type: schema.TypeBool,
Optional: true,
Description: "Use chart development versions, too. Equivalent to version '>0.0.0-0'. If `version` is set, this is ignored",
// Suppress changes of this attribute if `version` is set
DiffSuppressFunc: func(k, old, new string, d *schema.ResourceData) bool {
return d.Get("version").(string) != ""
},
},
"values": {
Type: schema.TypeList,
Optional: true,
Description: "List of values in raw yaml format to pass to helm.",
Elem: &schema.Schema{Type: schema.TypeString},
},
"set": {
Type: schema.TypeSet,
Optional: true,
Description: "Custom values to be merged with the values.",
Elem: &schema.Resource{
Schema: map[string]*schema.Schema{
"name": {
Type: schema.TypeString,
Required: true,
},
"value": {
Type: schema.TypeString,
Required: true,
},
"type": {
Type: schema.TypeString,
Optional: true,
Default: "",
// TODO: use ValidateDiagFunc once an SDK v2 version of StringInSlice exists.
// https://github.com/hashicorp/terraform-plugin-sdk/issues/534
ValidateFunc: validation.StringInSlice([]string{
"auto", "string",
}, false),
},
},
},
},
"set_list": {
Type: schema.TypeList,
Optional: true,
Description: "Custom sensitive values to be merged with the values.",
Elem: &schema.Resource{
Schema: map[string]*schema.Schema{
"name": {
Type: schema.TypeString,
Required: true,
},
"value": {
Type: schema.TypeList,
Required: true,
Elem: &schema.Schema{Type: schema.TypeString},
},
},
},
},
"set_sensitive": {
Type: schema.TypeSet,
Optional: true,
Description: "Custom sensitive values to be merged with the values.",
Elem: &schema.Resource{
Schema: map[string]*schema.Schema{
"name": {
Type: schema.TypeString,
Required: true,
},
"value": {
Type: schema.TypeString,
Required: true,
Sensitive: true,
},
"type": {
Type: schema.TypeString,
Optional: true,
ValidateFunc: validation.StringInSlice([]string{
"auto", "string",
}, false),
},
},
},
},
"namespace": {
Type: schema.TypeString,
Optional: true,
ForceNew: true,
Description: "Namespace to install the release into.",
DefaultFunc: schema.EnvDefaultFunc("HELM_NAMESPACE", "default"),
},
"verify": {
Type: schema.TypeBool,
Optional: true,
Default: defaultAttributes["verify"],
Description: "Verify the package before installing it.",
},
"keyring": {
Type: schema.TypeString,
Optional: true,
Default: os.ExpandEnv("$HOME/.gnupg/pubring.gpg"),
Description: "Location of public keys used for verification. Used only if `verify` is true",
// Suppress changes of this attribute if `verify` is false
DiffSuppressFunc: func(k, old, new string, d *schema.ResourceData) bool {
return !d.Get("verify").(bool)
},
},
"timeout": {
Type: schema.TypeInt,
Optional: true,
Default: defaultAttributes["timeout"],
Description: "Time in seconds to wait for any individual kubernetes operation.",
},
"disable_webhooks": {
Type: schema.TypeBool,
Optional: true,
Default: defaultAttributes["disable_webhooks"],
Description: "Prevent hooks from running.",
},
"disable_crd_hooks": {
Type: schema.TypeBool,
Optional: true,
Default: defaultAttributes["disable_crd_hooks"],
Description: "Prevent CRD hooks from, running, but run other hooks. See helm install --no-crd-hook",
},
"reuse_values": {
Type: schema.TypeBool,
Optional: true,
Description: "When upgrading, reuse the last release's values and merge in any overrides. If 'reset_values' is specified, this is ignored",
Default: defaultAttributes["reuse_values"],
},
"reset_values": {
Type: schema.TypeBool,
Optional: true,
Description: "When upgrading, reset the values to the ones built into the chart",
Default: defaultAttributes["reset_values"],
},
"force_update": {
Type: schema.TypeBool,
Optional: true,
Default: defaultAttributes["force_update"],
Description: "Force resource update through delete/recreate if needed.",
},
"recreate_pods": {
Type: schema.TypeBool,
Optional: true,
Default: defaultAttributes["recreate_pods"],
Description: "Perform pods restart during upgrade/rollback",
},
"cleanup_on_fail": {
Type: schema.TypeBool,
Optional: true,
Default: defaultAttributes["cleanup_on_fail"],
Description: "Allow deletion of new resources created in this upgrade when upgrade fails",
},
"max_history": {
Type: schema.TypeInt,
Optional: true,
Default: defaultAttributes["max_history"],
Description: "Limit the maximum number of revisions saved per release. Use 0 for no limit",
},
"atomic": {
Type: schema.TypeBool,
Optional: true,
Default: defaultAttributes["atomic"],
Description: "If set, installation process purges chart on fail. The wait flag will be set automatically if atomic is used",
},
"skip_crds": {
Type: schema.TypeBool,
Optional: true,
Default: defaultAttributes["skip_crds"],
Description: "If set, no CRDs will be installed. By default, CRDs are installed if not already present",
},
"render_subchart_notes": {
Type: schema.TypeBool,
Optional: true,
Default: defaultAttributes["render_subchart_notes"],
Description: "If set, render subchart notes along with the parent",
},
"disable_openapi_validation": {
Type: schema.TypeBool,
Optional: true,
Default: defaultAttributes["disable_openapi_validation"],
Description: "If set, the installation process will not validate rendered templates against the Kubernetes OpenAPI Schema",
},
"wait": {
Type: schema.TypeBool,
Optional: true,
Default: defaultAttributes["wait"],
Description: "Will wait until all resources are in a ready state before marking the release as successful.",
},
"wait_for_jobs": {
Type: schema.TypeBool,
Optional: true,
Default: defaultAttributes["wait_for_jobs"],
Description: "If wait is enabled, will wait until all Jobs have been completed before marking the release as successful.",
},
"status": {
Type: schema.TypeString,
Computed: true,
Description: "Status of the release.",
},
"dependency_update": {
Type: schema.TypeBool,
Optional: true,
Default: defaultAttributes["dependency_update"],
Description: "Run helm dependency update before installing the chart",
},
"replace": {
Type: schema.TypeBool,
Optional: true,
Default: defaultAttributes["replace"],
Description: "Re-use the given name, even if that name is already used. This is unsafe in production",
},
"description": {
Type: schema.TypeString,
Optional: true,
Description: "Add a custom description",
DiffSuppressFunc: func(k, old, new string, d *schema.ResourceData) bool {
return new == ""
},
},
"create_namespace": {
Type: schema.TypeBool,
Optional: true,
Default: defaultAttributes["create_namespace"],
Description: "Create the namespace if it does not exist",
},
"postrender": {
Type: schema.TypeList,
MaxItems: 1,
Optional: true,
Description: "Postrender command configuration.",
Elem: &schema.Resource{
Schema: map[string]*schema.Schema{
"binary_path": {
Type: schema.TypeString,
Required: true,
Description: "The command binary path.",
},
"args": {
Type: schema.TypeList,
Optional: true,
Description: "an argument to the post-renderer (can specify multiple)",
Elem: &schema.Schema{Type: schema.TypeString},
},
},
},
},
"lint": {
Type: schema.TypeBool,
Optional: true,
Default: defaultAttributes["lint"],
Description: "Run helm lint when planning",
},
"manifest": {
Type: schema.TypeString,
Description: "The rendered manifest as JSON.",
Computed: true,
},
"metadata": {
Type: schema.TypeList,
Computed: true,
Description: "Status of the deployed release.",
Elem: &schema.Resource{
Schema: map[string]*schema.Schema{
"name": {
Type: schema.TypeString,
Computed: true,
Description: "Name is the name of the release.",
},
"revision": {
Type: schema.TypeInt,
Computed: true,
Description: "Version is an int32 which represents the version of the release.",
},
"namespace": {
Type: schema.TypeString,
Computed: true,
Description: "Namespace is the kubernetes namespace of the release.",
},
"chart": {
Type: schema.TypeString,
Computed: true,
Description: "The name of the chart.",
},
"version": {
Type: schema.TypeString,
Computed: true,
Description: "A SemVer 2 conformant version string of the chart.",
},
"app_version": {
Type: schema.TypeString,
Computed: true,
Description: "The version number of the application being deployed.",
},
"values": {
Type: schema.TypeString,
Computed: true,
Description: "Set of extra values, added to the chart. The sensitive data is cloaked. JSON encoded.",
},
},
},
},
},
SchemaVersion: 1,
StateUpgraders: []schema.StateUpgrader{
{
Type: resourceReleaseUpgrader().CoreConfigSchema().ImpliedType(),
Upgrade: resourceReleaseStateUpgradeV0,
Version: 0,
},
},
}
}
func resourceReleaseStateUpgradeV0(ctx context.Context, rawState map[string]any, meta any) (map[string]any, error) {
if rawState["pass_credentials"] == nil {
rawState["pass_credentials"] = false
}
if rawState["wait_for_jobs"] == nil {
rawState["wait_for_jobs"] = false
}
return rawState, nil
}
func resourceReleaseUpgrader() *schema.Resource {
return &schema.Resource{
Schema: map[string]*schema.Schema{
"pass_credentials": {
Type: schema.TypeBool,
Optional: true,
Description: "Pass credentials to all domains",
Default: defaultAttributes["pass_credentials"],
},
"wait_for_jobs": {
Type: schema.TypeBool,
Optional: true,
Default: defaultAttributes["wait_for_jobs"],
Description: "If wait is enabled, will wait until all Jobs have been completed before marking the release as successful.",
},
},
}
}
func resourceReleaseRead(ctx context.Context, d *schema.ResourceData, meta interface{}) diag.Diagnostics {
exists, err := resourceReleaseExists(d, meta)
if err != nil {
return diag.FromErr(err)
}
if !exists {
d.SetId("")
return diag.Diagnostics{}
}
logID := fmt.Sprintf("[resourceReleaseRead: %s]", d.Get("name").(string))
debug("%s Started", logID)
m := meta.(*Meta)
n := d.Get("namespace").(string)
c, err := m.GetHelmConfiguration(n)
if err != nil {
return diag.FromErr(err)
}
name := d.Get("name").(string)
r, err := getRelease(m, c, name)
if err != nil {
return diag.FromErr(err)
}
err = setReleaseAttributes(d, r, m)
if err != nil {
return diag.FromErr(err)
}
debug("%s Done", logID)
return nil
}
func checkChartDependencies(d resourceGetter, c *chart.Chart, path string, m *Meta) (bool, error) {
p := getter.All(m.Settings)
if req := c.Metadata.Dependencies; req != nil {
err := action.CheckDependencies(c, req)
if err != nil {
if d.Get("dependency_update").(bool) {
man := &downloader.Manager{
Out: os.Stdout,
ChartPath: path,
Keyring: d.Get("keyring").(string),
SkipUpdate: false,
Getters: p,
RepositoryConfig: m.Settings.RepositoryConfig,
RepositoryCache: m.Settings.RepositoryCache,
Debug: m.Settings.Debug,
}
log.Println("[DEBUG] Downloading chart dependencies...")
return true, man.Update()
}
return false, err
}
return false, err
}
log.Println("[DEBUG] Chart dependencies are up to date.")
return false, nil
}
func resourceReleaseCreate(ctx context.Context, d *schema.ResourceData, meta interface{}) diag.Diagnostics {
logID := fmt.Sprintf("[resourceReleaseCreate: %s]", d.Get("name").(string))
debug("%s Started", logID)
m := meta.(*Meta)
n := d.Get("namespace").(string)
debug("%s Getting helm configuration", logID)
actionConfig, err := m.GetHelmConfiguration(n)
if err != nil {
return diag.FromErr(err)
}
err = OCIRegistryLogin(actionConfig, d, m)
if err != nil {
return diag.FromErr(err)
}
client := action.NewInstall(actionConfig)
cpo, chartName, err := chartPathOptions(d, m, &client.ChartPathOptions)
if err != nil {
return diag.FromErr(err)
}
debug("%s Getting chart", logID)
c, path, err := getChart(d, m, chartName, cpo)
if err != nil {
return diag.FromErr(fmt.Errorf("could not download chart: %v", err))
}
// check and update the chart's dependencies if needed
updated, err := checkChartDependencies(d, c, path, m)
if err != nil {
return diag.FromErr(err)
} else if updated {
// load the chart again if its dependencies have been updated
c, err = loader.Load(path)
if err != nil {
return diag.FromErr(err)
}
}
debug("%s Preparing for installation", logID)
values, err := getValues(d)
if err != nil {
return diag.FromErr(err)
}
err = isChartInstallable(c)
if err != nil {
return diag.FromErr(err)
}
client.ClientOnly = false
client.DryRun = false
client.DisableHooks = d.Get("disable_webhooks").(bool)
client.Wait = d.Get("wait").(bool)
client.WaitForJobs = d.Get("wait_for_jobs").(bool)
client.Devel = d.Get("devel").(bool)
client.DependencyUpdate = d.Get("dependency_update").(bool)
client.Timeout = time.Duration(d.Get("timeout").(int)) * time.Second
client.Namespace = d.Get("namespace").(string)
client.ReleaseName = d.Get("name").(string)
client.GenerateName = false
client.NameTemplate = ""
client.OutputDir = ""
client.Atomic = d.Get("atomic").(bool)
client.SkipCRDs = d.Get("skip_crds").(bool)
client.SubNotes = d.Get("render_subchart_notes").(bool)
client.DisableOpenAPIValidation = d.Get("disable_openapi_validation").(bool)
client.Replace = d.Get("replace").(bool)
client.Description = d.Get("description").(string)
client.CreateNamespace = d.Get("create_namespace").(bool)
if cmd := d.Get("postrender.0.binary_path").(string); cmd != "" {
av := d.Get("postrender.0.args")
var args []string
for _, arg := range av.([]interface{}) {
if arg == nil {
continue
}
args = append(args, arg.(string))
}
pr, err := postrender.NewExec(cmd, args...)
if err != nil {
return diag.FromErr(err)
}
client.PostRenderer = pr
}
debug("%s Installing chart", logID)
rel, err := client.Run(c, values)
if err != nil && rel == nil {
return diag.FromErr(err)
}
if err != nil && rel != nil {
exists, existsErr := resourceReleaseExists(d, meta)
if existsErr != nil {
return diag.FromErr(existsErr)
}
if !exists {
return diag.FromErr(err)
}
debug("%s Release was created but returned an error", logID)
if err := setReleaseAttributes(d, rel, m); err != nil {
return diag.FromErr(err)
}
return diag.Diagnostics{
{
Severity: diag.Warning,
Summary: fmt.Sprintf("Helm release %q was created but has a failed status. Use the `helm` command to investigate the error, correct it, then run Terraform again.", client.ReleaseName),
},
{
Severity: diag.Error,
Summary: err.Error(),
},
}
}
err = setReleaseAttributes(d, rel, m)
if err != nil {
return diag.FromErr(err)
}
return nil
}
func resourceReleaseUpdate(ctx context.Context, d *schema.ResourceData, meta interface{}) diag.Diagnostics {
m := meta.(*Meta)
n := d.Get("namespace").(string)
actionConfig, err := m.GetHelmConfiguration(n)
if err != nil {
d.Partial(true)
return diag.FromErr(err)
}
err = OCIRegistryLogin(actionConfig, d, m)
if err != nil {
d.Partial(true)
return diag.FromErr(err)
}
client := action.NewUpgrade(actionConfig)
cpo, chartName, err := chartPathOptions(d, m, &client.ChartPathOptions)
if err != nil {
d.Partial(true)
return diag.FromErr(err)
}
c, path, err := getChart(d, m, chartName, cpo)
if err != nil {
d.Partial(true)
return diag.FromErr(err)
}
// check and update the chart's dependencies if needed
updated, err := checkChartDependencies(d, c, path, m)
if err != nil {
d.Partial(true)
return diag.FromErr(err)
} else if updated {
// load the chart again if its dependencies have been updated
c, err = loader.Load(path)
if err != nil {
d.Partial(true)
return diag.FromErr(err)
}
}
client.Devel = d.Get("devel").(bool)
client.Namespace = d.Get("namespace").(string)
client.Timeout = time.Duration(d.Get("timeout").(int)) * time.Second
client.Wait = d.Get("wait").(bool)
client.WaitForJobs = d.Get("wait_for_jobs").(bool)
client.DryRun = false
client.DisableHooks = d.Get("disable_webhooks").(bool)
client.Atomic = d.Get("atomic").(bool)
client.SkipCRDs = d.Get("skip_crds").(bool)
client.SubNotes = d.Get("render_subchart_notes").(bool)
client.DisableOpenAPIValidation = d.Get("disable_openapi_validation").(bool)
client.Force = d.Get("force_update").(bool)
client.ResetValues = d.Get("reset_values").(bool)
client.ReuseValues = d.Get("reuse_values").(bool)
client.Recreate = d.Get("recreate_pods").(bool)
client.MaxHistory = d.Get("max_history").(int)
client.CleanupOnFail = d.Get("cleanup_on_fail").(bool)
client.Description = d.Get("description").(string)
if cmd := d.Get("postrender.0.binary_path").(string); cmd != "" {
av := d.Get("postrender.0.args")
var args []string
for _, arg := range av.([]interface{}) {
if arg == nil {
continue
}
args = append(args, arg.(string))
}
pr, err := postrender.NewExec(cmd, args...)
if err != nil {
d.Partial(true)
return diag.FromErr(err)
}
client.PostRenderer = pr
}
values, err := getValues(d)
if err != nil {
d.Partial(true)
return diag.FromErr(err)
}
name := d.Get("name").(string)
r, err := client.Run(name, c, values)
if err != nil {
d.Partial(true)
return diag.FromErr(err)
}
err = setReleaseAttributes(d, r, m)
if err != nil {
return diag.FromErr(err)
}
return nil
}
func resourceReleaseDelete(ctx context.Context, d *schema.ResourceData, meta interface{}) diag.Diagnostics {
m := meta.(*Meta)
n := d.Get("namespace").(string)
actionConfig, err := m.GetHelmConfiguration(n)
if err != nil {
return diag.FromErr(err)
}
name := d.Get("name").(string)
uninstall := action.NewUninstall(actionConfig)
uninstall.Wait = d.Get("wait").(bool)
uninstall.DisableHooks = d.Get("disable_webhooks").(bool)
uninstall.Timeout = time.Duration(d.Get("timeout").(int)) * time.Second
res, err := uninstall.Run(name)
if err != nil {
return diag.FromErr(err)
}
if res.Info != "" {
return diag.Diagnostics{
{
Severity: diag.Warning,
Summary: "Helm uninstall returned an information message",
Detail: res.Info,
},
}
}
d.SetId("")
return nil
}
func resourceDiff(ctx context.Context, d *schema.ResourceDiff, meta interface{}) error {
logID := fmt.Sprintf("[resourceDiff: %s]", d.Get("name").(string))
debug("%s Start", logID)
m := meta.(*Meta)
name := d.Get("name").(string)
namespace := d.Get("namespace").(string)
actionConfig, err := m.GetHelmConfiguration(namespace)
if err != nil {
return err
}
err = OCIRegistryLogin(actionConfig, d, m)
if err != nil {
return err
}
// Always set desired state to DEPLOYED
err = d.SetNew("status", release.StatusDeployed.String())
if err != nil {
return err
}
// Always recompute metadata if a new revision is going to be created
recomputeMetadataFields := []string{
"chart",
"repository",
"version",
"values",
"set",
"set_sensitive",
"set_list",
}
if d.HasChanges(recomputeMetadataFields...) {
d.SetNewComputed("metadata")
}
var chartPathOpts action.ChartPathOptions
cpo, chartName, err := chartPathOptions(d, m, &chartPathOpts)
if err != nil {
return err
}
// Get Chart metadata, if we fail - we're done
chart, path, err := getChart(d, meta.(*Meta), chartName, cpo)
if err != nil {
return nil
}
debug("%s Got chart", logID)
// check and update the chart's dependencies if needed
updated, err := checkChartDependencies(d, chart, path, m)
if err != nil {
return err
} else if updated {
// load the chart again if its dependencies have been updated
chart, err = loader.Load(path)
if err != nil {
return err
}
}
// Validates the resource configuration, the values, the chart itself, and
// the combination of both.
//
// Maybe here is not the most canonical place to include a validation
// but is the only place to fail in `terraform plan`.
if d.Get("lint").(bool) {
if err := resourceReleaseValidate(d, meta.(*Meta), cpo); err != nil {
return err
}
}
debug("%s Release validated", logID)
if m.ExperimentEnabled("manifest") {
// NOTE we need to check that the values supplied to the release are
// fully known at plan time otherwise we can't supply them to the
// action to perform a dry run
if !valuesKnown(d) {
// NOTE it would be nice to surface a warning diagnostic here
// but this is not possible with the SDK
debug("not all values are known, skipping dry run to render manifest")
d.SetNewComputed("manifest")
return d.SetNewComputed("version")
}
var postRenderer postrender.PostRenderer
if cmd := d.Get("postrender.0.binary_path").(string); cmd != "" {
av := d.Get("postrender.0.args")
args := []string{}
for _, arg := range av.([]interface{}) {
if arg == nil {
continue
}
args = append(args, arg.(string))
}
pr, err := postrender.NewExec(cmd, args...)
if err != nil {
return err
}
postRenderer = pr
}
oldStatus, _ := d.GetChange("status")
if oldStatus.(string) == "" {
install := action.NewInstall(actionConfig)
install.ChartPathOptions = *cpo
install.DryRun = true
install.DisableHooks = d.Get("disable_webhooks").(bool)
install.Wait = d.Get("wait").(bool)
install.WaitForJobs = d.Get("wait_for_jobs").(bool)
install.Devel = d.Get("devel").(bool)
install.DependencyUpdate = d.Get("dependency_update").(bool)
install.Timeout = time.Duration(d.Get("timeout").(int)) * time.Second
install.Namespace = d.Get("namespace").(string)
install.ReleaseName = d.Get("name").(string)
install.Atomic = d.Get("atomic").(bool)
install.SkipCRDs = d.Get("skip_crds").(bool)
install.SubNotes = d.Get("render_subchart_notes").(bool)
install.DisableOpenAPIValidation = d.Get("disable_openapi_validation").(bool)
install.Replace = d.Get("replace").(bool)
install.Description = d.Get("description").(string)
install.CreateNamespace = d.Get("create_namespace").(bool)
install.PostRenderer = postRenderer
values, err := getValues(d)
if err != nil {
return fmt.Errorf("error getting values: %v", err)
}
debug("%s performing dry run install", logID)
dry, err := install.Run(chart, values)
if err != nil {
// NOTE if the cluster is not reachable then we can't run the install
// this will happen if the user has their cluster creation in the
// same apply. We are catching this case here and marking manifest
// as computed to avoid breaking existing configs
if strings.Contains(err.Error(), "Kubernetes cluster unreachable") {
// NOTE it would be nice to return a diagnostic here to warn the user
// that we can't generate the diff here because the cluster is not yet
// reachable but this is not supported by CustomizeDiffFunc
debug(`cluster was unreachable at create time, marking "manifest" as computed`)
return d.SetNewComputed("manifest")
}
return err
}
jsonManifest, err := convertYAMLManifestToJSON(dry.Manifest)
if err != nil {
return err
}
manifest := redactSensitiveValues(string(jsonManifest), d)
return d.SetNew("manifest", manifest)
}
// check if release exists
_, err = getRelease(m, actionConfig, name)
if err == errReleaseNotFound {
if len(chart.Metadata.Version) > 0 {
return d.SetNew("version", chart.Metadata.Version)
}
d.SetNewComputed("manifest")
return d.SetNewComputed("version")
} else if err != nil {
return fmt.Errorf("error retrieving old release for a diff: %v", err)
}
upgrade := action.NewUpgrade(actionConfig)
upgrade.ChartPathOptions = *cpo
upgrade.Devel = d.Get("devel").(bool)
upgrade.Namespace = d.Get("namespace").(string)
upgrade.Timeout = time.Duration(d.Get("timeout").(int)) * time.Second
upgrade.Wait = d.Get("wait").(bool)
upgrade.DryRun = true // do not apply changes
upgrade.DisableHooks = d.Get("disable_webhooks").(bool)
upgrade.Atomic = d.Get("atomic").(bool)
upgrade.SubNotes = d.Get("render_subchart_notes").(bool)
upgrade.WaitForJobs = d.Get("wait_for_jobs").(bool)
upgrade.Force = d.Get("force_update").(bool)
upgrade.ResetValues = d.Get("reset_values").(bool)
upgrade.ReuseValues = d.Get("reuse_values").(bool)
upgrade.Recreate = d.Get("recreate_pods").(bool)
upgrade.MaxHistory = d.Get("max_history").(int)
upgrade.CleanupOnFail = d.Get("cleanup_on_fail").(bool)
upgrade.Description = d.Get("description").(string)
upgrade.PostRenderer = postRenderer
values, err := getValues(d)
if err != nil {
return fmt.Errorf("error getting values for a diff: %v", err)
}
debug("%s performing dry run upgrade", logID)