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implement templated agentHelmValues #783
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michaeljguarino
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lukasz/prod-5033-implement-templated-agenthelmvalues-in-terraform-provider
Jul 16, 2026
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,89 @@ | ||
| package console | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "strings" | ||
|
|
||
| gqlclient "github.com/pluralsh/console/go/client" | ||
| "github.com/pluralsh/console/go/polly/template" | ||
| "github.com/samber/lo" | ||
| "sigs.k8s.io/yaml" | ||
| ) | ||
|
|
||
| func ResolveAgentHelmValues( | ||
| settings *gqlclient.DeploymentSettingsFragment, | ||
| cluster *gqlclient.ClusterFragment, | ||
| ) (map[string]interface{}, error) { | ||
| if settings == nil || settings.AgentHelmValues == nil { | ||
| return map[string]interface{}{}, nil | ||
| } | ||
|
|
||
| raw := *settings.AgentHelmValues | ||
| rendered := raw | ||
| if lo.FromPtr(settings.AgentHelmValuesTemplateable) { | ||
| if cluster == nil { | ||
| return nil, fmt.Errorf("cluster context is required to render agent helm values") | ||
| } | ||
| bindings := agentHelmValuesBindings(cluster) | ||
| out, err := template.RenderLiquid([]byte(raw), bindings) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("rendering agent helm values: %w", err) | ||
| } | ||
| rendered = string(out) | ||
| } | ||
|
|
||
| globalVals := map[string]interface{}{} | ||
| if err := yaml.Unmarshal([]byte(rendered), &globalVals); err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| return globalVals, nil | ||
| } | ||
|
|
||
| func agentHelmValuesBindings(cluster *gqlclient.ClusterFragment) map[string]interface{} { | ||
| return map[string]interface{}{ | ||
| "cluster": clusterBindings(cluster), | ||
| } | ||
| } | ||
|
|
||
| func clusterBindings(cluster *gqlclient.ClusterFragment) map[string]interface{} { | ||
| if cluster == nil { | ||
| return map[string]interface{}{} | ||
| } | ||
|
|
||
| res := map[string]interface{}{ | ||
| "ID": cluster.ID, | ||
| "Self": cluster.Self, | ||
| "Handle": cluster.Handle, | ||
| "Name": cluster.Name, | ||
| "Version": cluster.Version, | ||
| "CurrentVersion": cluster.CurrentVersion, | ||
| "KasUrl": cluster.KasURL, | ||
| "Metadata": cluster.Metadata, | ||
| "Distro": cluster.Distro, | ||
| "Tags": clusterTagsMap(cluster.Tags), | ||
| } | ||
|
|
||
| lowercase := make(map[string]interface{}, len(res)) | ||
| for k, v := range res { | ||
| lowercase[strings.ToLower(k)] = v | ||
| } | ||
| for k, v := range lowercase { | ||
| res[k] = v | ||
| } | ||
| res["kasUrl"] = cluster.KasURL | ||
| res["currentVersion"] = cluster.CurrentVersion | ||
|
zreigz marked this conversation as resolved.
|
||
|
|
||
| return res | ||
| } | ||
|
|
||
| func clusterTagsMap(tags []*gqlclient.ClusterTags) map[string]string { | ||
| res := map[string]string{} | ||
| for _, tag := range tags { | ||
| if tag == nil { | ||
| continue | ||
| } | ||
| res[tag.Name] = tag.Value | ||
| } | ||
| return res | ||
| } | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,97 @@ | ||
| package console_test | ||
|
|
||
| import ( | ||
| "testing" | ||
|
|
||
| gqlclient "github.com/pluralsh/console/go/client" | ||
| "github.com/pluralsh/plural-cli/pkg/console" | ||
| "github.com/samber/lo" | ||
| "github.com/stretchr/testify/assert" | ||
| "github.com/stretchr/testify/require" | ||
| ) | ||
|
|
||
| func TestResolveAgentHelmValuesWithoutTemplating(t *testing.T) { | ||
| t.Parallel() | ||
|
|
||
| settings := &gqlclient.DeploymentSettingsFragment{ | ||
| AgentHelmValues: lo.ToPtr("foo: bar\n"), | ||
| } | ||
|
|
||
| vals, err := console.ResolveAgentHelmValues(settings, nil) | ||
| require.NoError(t, err) | ||
| assert.Equal(t, "bar", vals["foo"]) | ||
| } | ||
|
|
||
| func TestResolveAgentHelmValuesWithTemplating(t *testing.T) { | ||
| t.Parallel() | ||
|
|
||
| settings := &gqlclient.DeploymentSettingsFragment{ | ||
| AgentHelmValues: lo.ToPtr("cluster:\n name: {{ cluster.name }}\n"), | ||
| AgentHelmValuesTemplateable: lo.ToPtr(true), | ||
| } | ||
| cluster := &gqlclient.ClusterFragment{ | ||
| ID: "cluster-id", | ||
| Name: "test", | ||
| } | ||
|
|
||
| vals, err := console.ResolveAgentHelmValues(settings, cluster) | ||
| require.NoError(t, err) | ||
|
|
||
| clusterVals, ok := vals["cluster"].(map[string]interface{}) | ||
| require.True(t, ok) | ||
| assert.Equal(t, "test", clusterVals["name"]) | ||
| } | ||
|
|
||
| func TestResolveAgentHelmValuesRequiresClusterWhenTemplating(t *testing.T) { | ||
| t.Parallel() | ||
|
|
||
| settings := &gqlclient.DeploymentSettingsFragment{ | ||
| AgentHelmValues: lo.ToPtr("cluster:\n id: {{ cluster.id }}\n"), | ||
| AgentHelmValuesTemplateable: lo.ToPtr(true), | ||
| } | ||
|
|
||
| _, err := console.ResolveAgentHelmValues(settings, nil) | ||
| require.Error(t, err) | ||
| assert.Contains(t, err.Error(), "cluster context is required") | ||
| } | ||
|
|
||
| func TestResolveAgentHelmValuesRendersClusterMetadataAndTags(t *testing.T) { | ||
| t.Parallel() | ||
|
|
||
| settings := &gqlclient.DeploymentSettingsFragment{ | ||
| AgentHelmValues: lo.ToPtr(`name: {{ cluster.name }} | ||
| region: {{ cluster.metadata.region }} | ||
| env: {{ cluster.tags.env }} | ||
| id: {{ cluster.id }} | ||
| kas: {{ cluster.kasUrl }} | ||
| `), | ||
| AgentHelmValuesTemplateable: lo.ToPtr(true), | ||
| } | ||
| cluster := &gqlclient.ClusterFragment{ | ||
| ID: "cluster-1", | ||
| Name: "prod-cluster", | ||
| KasURL: lo.ToPtr("https://kas.example.com"), | ||
| Metadata: map[string]any{ | ||
| "region": "eu-central-1", | ||
| }, | ||
| Tags: []*gqlclient.ClusterTags{ | ||
| {Name: "env", Value: "production"}, | ||
| }, | ||
| } | ||
|
|
||
| vals, err := console.ResolveAgentHelmValues(settings, cluster) | ||
| require.NoError(t, err) | ||
| assert.Equal(t, "prod-cluster", vals["name"]) | ||
| assert.Equal(t, "eu-central-1", vals["region"]) | ||
| assert.Equal(t, "production", vals["env"]) | ||
| assert.Equal(t, "cluster-1", vals["id"]) | ||
| assert.Equal(t, "https://kas.example.com", vals["kas"]) | ||
| } | ||
|
|
||
| func TestResolveAgentHelmValuesNilSettings(t *testing.T) { | ||
| t.Parallel() | ||
|
|
||
| vals, err := console.ResolveAgentHelmValues(nil, nil) | ||
| require.NoError(t, err) | ||
| assert.Empty(t, vals) | ||
| } |
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