services/agent: Client side implementation of agent over IPC.
Split from https://vanadium-review.googlesource.com/#/c/14320/7
Change-Id: I124f374d08a36b49aa8cd7a9381bccf7a7ae3cd7
diff --git a/envvar.go b/envvar.go
index 31ca4bb..bb7af0a 100644
--- a/envvar.go
+++ b/envvar.go
@@ -24,12 +24,20 @@
// See v.io/x/ref/lib/security.CreatePersistentPrincipal.
EnvCredentials = "V23_CREDENTIALS"
+ // EnvAgentPath is the name of the environment variable pointing to an
+ // agentd process containing all the credentials a principal (the blessing
+ // store, the blessing roots, possibly the private key etc.).
+ //
+ // Typically only one of EnvCredentials or EnvAgentPaths will be set in a
+ // process. If both are set, then EnvCredentials takes preference.
+ EnvAgentPath = "V23_AGENT_PATH"
+
// EnvAgentEndpoint is the name of the environment variable pointing to an
// agentd process containing all the credentials a principal (the blessing
// store, the blessing roots, possibly the private key etc.).
//
- // Typically only one of EnvCredentials or EnvAgentEndpoint will be set in a
- // process. If both are set, then EnvCredentials takes preference.
+ // EnvAgentEndpoint is deprecated. New agentd processes should use EnvAgentPath.
+ // If both are set, EnvAgentPath takes preference.
EnvAgentEndpoint = "V23_AGENT_ENDPOINT"
// EnvNamespacePrefix is the prefix of all environment variables that define a
