add env vars to pipeline strategy

Author: bparees

api/protobuf-spec/github_com_openshift_origin_pkg_build_api_v1.proto

@@ -22883,6 +22883,13 @@
      "jenkinsfile": {
       "type": "string",
       "description": "Jenkinsfile defines the optional raw contents of a Jenkinsfile which defines a Jenkins pipeline build."
+     },
+     "env": {
+      "type": "array",
+      "items": {
+       "$ref": "v1.EnvVar"
+      },
+      "description": "env contains additional environment variables you want to pass into a build pipeline"
      }
     }
    },

api/swagger-spec/oapi-v1.json

@@ -48908,6 +48908,13 @@
    "v1.JenkinsPipelineBuildStrategy": {
     "description": "JenkinsPipelineBuildStrategy holds parameters specific to a Jenkins Pipeline build. This strategy is in tech preview.",
     "properties": {
+     "env": {
+      "description": "env contains additional environment variables you want to pass into a build pipeline",
+      "type": "array",
+      "items": {
+       "$ref": "#/definitions/v1.EnvVar"
+      }
+     },
      "jenkinsfile": {
       "description": "Jenkinsfile defines the optional raw contents of a Jenkinsfile which defines a Jenkins pipeline build.",
       "type": "string"

api/swagger-spec/openshift-openapi-spec.json

@@ -523,6 +523,7 @@ type CustomBuildStrategy struct {
 	PullSecret *kapi.LocalObjectReference
 
 	// Env contains additional environment variables you want to pass into a builder container
+	// ValueFrom is not supported.
 	Env []kapi.EnvVar
 
 	// ExposeDockerSocket will allow running Docker commands (and build Docker images) from
@@ -557,7 +558,8 @@ type DockerBuildStrategy struct {
 	// --no-cache=true flag
 	NoCache bool
 
-	// Env contains additional environment variables you want to pass into a builder container
+	// Env contains additional environment variables you want to pass into a builder container.
+	// ValueFrom is not supported.
 	Env []kapi.EnvVar
 
 	// ForcePull describes if the builder should pull the images from registry prior to building.
@@ -579,7 +581,8 @@ type SourceBuildStrategy struct {
 	// registries
 	PullSecret *kapi.LocalObjectReference
 
-	// Env contains additional environment variables you want to pass into a builder container
+	// Env contains additional environment variables you want to pass into a builder container.
+	// ValueFrom is not supported.
 	Env []kapi.EnvVar
 
 	// Scripts is the location of Source scripts
@@ -616,6 +619,10 @@ type JenkinsPipelineBuildStrategy struct {
 
 	// Jenkinsfile defines the optional raw contents of a Jenkinsfile which defines a Jenkins pipeline build.
 	Jenkinsfile string
+
+	// Env contains additional environment variables you want to pass into a build pipeline.
+	// ValueFrom is not supported.
+	Env []kapi.EnvVar
 }
 
 // A BuildPostCommitSpec holds a build post commit hook specification. The hook
@@ -881,7 +888,8 @@ type GenericWebHookEvent struct {
 	// Git is the git information, if any.
 	Git *GitInfo
 
-	// Env contains additional environment variables you want to pass into a builder container
+	// Env contains additional environment variables you want to pass into a builder container.
+	// ValueFrom is not supported.
 	Env []kapi.EnvVar
 }
 
@@ -933,6 +941,7 @@ type BuildRequest struct {
 	LastVersion *int64
 
 	// Env contains additional environment variables you want to pass into a builder container.
+	// ValueFrom is not supported.
 	Env []kapi.EnvVar
 
 	// TriggeredBy describes which triggers started the most recent update to the