Expose profile setting to configure EPR_PROXY_TO

README.md

@@ -686,6 +686,8 @@ The following settings are available per profile:
   Defaults to false.
 * `stack.elastic_cloud.host` can be used to override the address when connecting with
   the Elastic Cloud APIs. It defaults to `https://cloud.elastic.co`.
+* `stack.epr.proxy_to` indicates the local Package Registry to proxy requests to the configured
+  endpoint. When not set, it uses `https://epr.elastic.co`.
 * `stack.geoip_dir` defines a directory with GeoIP databases that can be used by
   Elasticsearch in stacks managed by elastic-package. It is recommended to use
   an absolute path, out of the `.elastic-package` directory.

internal/profile/_static/config.yml.example

@@ -1,9 +1,18 @@
+## Elasticssearch settings
 # Directory containing GeoIP databases for stacks managed by elastic-agent.
 # stack.geoip_dir: "/path/to/geoip_dir/"
+#
+# Flag to enable the logs index mode in logs data stream.
+# stack.logsdb_enabled: true
+
 ## Elastic Cloud
 # Host URL
 # stack.elastic_cloud.host: https://cloud.elastic.co
 
+## Package Registry settings
+# Package Registry used to proxy requests to (EPR_PROXY_TO environment variable).
+# stack.epr.proxy_to: https://epr.elastic.co
+
 ## Serverless stack provider
 # Project type
 # stack.serverless.type: observability
@@ -14,10 +23,6 @@
 # Flag to enable apm-server in elastic-package stack profile config
 # stack.apm_enabled: true
 
-## Logs DB
-# Flag to enable the logs index mode in logs data stream.
-# stack.logsdb_enabled: true
-
 ## Enable logstash for testing
 # Flag to enable logstash in elastic-package stack profile config
 # stack.logstash_enabled: true

internal/registry/client.go

@@ -12,12 +12,12 @@ import (
 )
 
 const (
-	productionURL = "https://epr.elastic.co"
+	ProductionURL = "https://epr.elastic.co"
 )
 
 var (
 	// Production is a pre-configured production client
-	Production = NewClient(productionURL)
+	Production = NewClient(ProductionURL)
 )
 
 // Client is responsible for exporting dashboards from Kibana.

internal/stack/_static/Dockerfile.package-registry.tmpl

@@ -6,7 +6,7 @@ ARG PROFILE
 ENV EPR_DISABLE_PACKAGE_VALIDATION=true
 
 ENV EPR_FEATURE_PROXY_MODE=true
-ENV EPR_PROXY_TO=https://epr.elastic.co
+ENV EPR_PROXY_TO={{ fact "epr_proxy_to" }}
 
 COPY profiles/${PROFILE}/stack/package-registry.yml /package-registry/config.yml
 COPY stack/development/ /packages/development

internal/stack/boot.go

@@ -17,6 +17,7 @@ import (
 	"github.com/elastic/elastic-package/internal/configuration/locations"
 	"github.com/elastic/elastic-package/internal/files"
 	"github.com/elastic/elastic-package/internal/profile"
+	"github.com/elastic/elastic-package/internal/registry"
 )
 
 // baseComposeProjectName is the base name of the Docker Compose project used to boot up
@@ -69,7 +70,7 @@ func BootUp(ctx context.Context, options Options) error {
 	}
 
 	options.Printer.Println("Local package-registry will serve packages from these sources:")
-	options.Printer.Println("- Proxy to https://epr.elastic.co")
+	options.Printer.Printf("- Proxy to %s\n", options.Profile.Config(configElasticEPRProxyTo, registry.ProductionURL))
 
 	if found {
 		options.Printer.Printf("- Local directory %s\n", buildPackagesPath)

internal/stack/resources.go

@@ -19,6 +19,7 @@ import (
 	"github.com/elastic/go-resource"
 
 	"github.com/elastic/elastic-package/internal/profile"
+	"github.com/elastic/elastic-package/internal/registry"
 )
 
 //go:embed _static
@@ -64,6 +65,7 @@ const (
 	configLogsDBEnabled       = "stack.logsdb_enabled"
 	configLogstashEnabled     = "stack.logstash_enabled"
 	configSelfMonitorEnabled  = "stack.self_monitor_enabled"
+	configElasticEPRProxyTo   = "stack.epr.proxy_to"
 	configElasticSubscription = "stack.elastic_subscription"
 )
 
@@ -180,6 +182,7 @@ func applyResources(profile *profile.Profile, stackVersion string, agentVersion
 		"logsdb_enabled":       profile.Config(configLogsDBEnabled, "false"),
 		"logstash_enabled":     profile.Config(configLogstashEnabled, "false"),
 		"self_monitor_enabled": profile.Config(configSelfMonitorEnabled, "false"),
+		"epr_proxy_to":         profile.Config(configElasticEPRProxyTo, registry.ProductionURL),
 		"elastic_subscription": elasticSubscriptionProfile,
 	})
 

tools/readme/readme.md.tmpl

@@ -192,6 +192,8 @@ The following settings are available per profile:
   Defaults to false.
 * `stack.elastic_cloud.host` can be used to override the address when connecting with
   the Elastic Cloud APIs. It defaults to `https://cloud.elastic.co`.
+* `stack.epr.proxy_to` indicates the local Package Registry to proxy requests to the configured
+  endpoint. When not set, it uses `https://epr.elastic.co`.
 * `stack.geoip_dir` defines a directory with GeoIP databases that can be used by
   Elasticsearch in stacks managed by elastic-package. It is recommended to use
   an absolute path, out of the `.elastic-package` directory.