Accelerate dev.up by disable program caching (openedx#491)

By default, program caching is executed every time a user runs `make
dev.up`. This is prohibitive and annoying for most developers who are
not working on programs. This change makes programs caching opt-out by
default. To launch the platform with programs caching, run:

    make dev.up.<service> dev.cache-programs

or:

    make dev.up.with-programs.<service>

or:

    make dev.up.with-programs

.travis/run.sh

@@ -11,7 +11,7 @@ if [[ "$DEVSTACK" == "analytics_pipeline" ]]; then
 elif [[ "$DEVSTACK" == "lms" ]]; then
     make dev.pull.discovery dev.pull.forum
     make dev.provision.services.lms+discovery+forum
-    make no_cache=True dev.up.lms
+    make dev.up.lms
     sleep 60  # LMS needs like 60 seconds to come up
     make healthchecks.lms healthchecks.discovery validate-lms-volume
     make up-marketing-detached
@@ -23,7 +23,7 @@ else
             make dev.provision.services.lms
     esac
     make dev.provision.services."$DEVSTACK"
-    make no_cache=True dev.up."$DEVSTACK"
+    make dev.up."$DEVSTACK"
     sleep 60
     make healthchecks."$DEVSTACK"
 fi

Makefile

@@ -87,6 +87,9 @@ dev.provision.services.%: ## Provision specified services with local mounted dir
 
 dev.provision: | check-memory dev.clone.ssh dev.provision.services stop ## Provision dev environment with all services stopped
 
+dev.cache-programs: ## Copy programs from Discovery to Memcached for use in LMS.
+	$(WINPTY) bash ./programs/provision.sh cache
+
 dev.provision.xqueue: | check-memory dev.provision.xqueue.run stop stop.xqueue  # Provision XQueue; run after other services are provisioned
 
 dev.provision.xqueue.run:
@@ -108,17 +111,13 @@ dev.pull.%: ## Pull latest Docker images for a given service and all its depende
 
 dev.up: | check-memory ## Bring up all services with host volumes
 	bash -c 'docker-compose $(STANDARD_COMPOSE_FILES) up -d'
-	@# Comment out this next line if you want to save some time and don't care about catalog programs
-	$(WINPTY) bash ./programs/provision.sh cache
 
 dev.up.%: | check-memory ## Bring up a specific service and its dependencies with host volumes
 	bash -c 'docker-compose $(STANDARD_COMPOSE_FILES) up -d $*'
-	@# Comment out this next line if you want to save some time and don't care about catalog programs
-ifdef no_cache
-	echo "Not runing bash ./programs/provision.sh cache"
-else
-	$(WINPTY) bash ./programs/provision.sh cache
-endif
+
+dev.up.with-programs: dev.up dev.cache-programs  ## Bring up a all services and cache programs in LMS.
+
+dev.up.with-programs.%: dev.up.$* dev.cache-programs  ## Bring up a service and its dependencies and cache programs in LMS.
 
 dev.up.watchers: | check-memory ## Bring up asset watcher containers
 	bash -c 'docker-compose -f docker-compose-watchers.yml up -d'
@@ -131,8 +130,6 @@ dev.nfs.up.watchers: | check-memory ## Bring up asset watcher containers
 
 dev.nfs.up: | check-memory ## Bring up all services with host volumes
 	docker-compose $(NFS_COMPOSE_FILES) up -d
-	@# Comment out this next line if you want to save some time and don't care about catalog programs
-	#./programs/provision.sh cache >/dev/null
 
 dev.nfs.up.all: | dev.nfs.up dev.nfs.up.watchers ## Bring up all services with host volumes, including watchers
 

programs/README.md

@@ -10,12 +10,16 @@ Normally you don't need to manually run these scripts to provision the demo cour
 
 If you have an existing older devstack installation and want to add the demo program to it, simply run:
 
-``./programs/provision.sh``
+    ./programs/provision.sh
 
 And it will set it up for you. This can be run mutiple times safely.
 
 ## Recaching
 
 If you have an existing devstack with the demo program, but want to recache the programs inside LMS (something you need to do every time you bring the LMS container back up), simply run:
 
-``./programs/provision.sh cache``
+    make dev.cache-programs
+
+To launch a service and recache the programs, run instead:
+
+    make dev.up.<service> dev.cache-programs