perf(cache) support in-memory and persisted cache

- enhance in-memory cache
- add persisted cache with `HTML5_CACHE=1` flag
- change `HTML5_RUNTIME_URL` default to `cpp`
- try to use exisring `app-runtime` key before  creating new one
- update README.md
- update CHANGELOG.md

Author: micellius

CHANGELOG.md

@@ -6,11 +6,17 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 
 ## [Unreleased]
 
+## [1.4.2] - 2020-05-19
 ### Added
+- Support of multiple destinations pointing to same business service in `html5-list -d` (MTA deployment flow)
 - Print time in trace logs
 
+### Changed
+- Default `HTML5_RUNTIME_URL` is changed back to `https://<tenant>.cpp.<landscape_url>` 
+
 ### Performance
 - In-memory cache for services and service plans
+- Persisted cache with `HTML5_CACHE=1`
 
 ## [1.4.1] - 2020-04-21
 

README.md

@@ -229,9 +229,12 @@ OPTIONS:
 The configuration of the CF HTML5 Applications Repository CLI Plugin is done by using environment variables.
 The following are supported:
   * `DEBUG=1` - enables trace logs with detailed information about currently running steps
+  * `HTML5_CACHE=1` - enables persisted cache. Disabled by default. Should be enabled only for sequential
+     execution of the CF HTML5 Applications Repository CLI Plugin commands in the same context 
+     (org/space/user) during short period of time (less than 12 hours)
   * `HTML5_SERVICE_NAME` - name of the service in CF marketplace (default: `html5-apps-repo`)
   * `HTML5_RUNTIME_URL` - URL of HTML5 runtime to serve business service 
-    destinations (default: `https://<tenant>.launchpad.<landscape_url>`)
+    destinations (default: `https://<tenant>.cpp.<landscape_url>`)
 
 ## Troubleshooting
 

cache/memory.go

@@ -14,3 +14,8 @@ func Get(key string) (interface{}, bool) {
 func Set(key string, value interface{}) {
 	cacheMap[key] = value
 }
+
+// All dump cache
+func All() map[string]interface{} {
+	return cacheMap
+}

commands/base_command.go

@@ -1,7 +1,6 @@
 package commands
 
 import (
-	"cf-html5-apps-repo-cli-plugin/log"
 	"fmt"
 
 	"github.com/cloudfoundry/cli/cf/terminal"
@@ -20,18 +19,27 @@ type BaseCommand struct {
 	CliConnection plugin.CliConnection
 }
 
-// Initialize initializes the command with the specified name and CLI connection
+// Initialize default initialization method which may be overriden in more specific commands
 func (c *BaseCommand) Initialize(name string, cliConnection plugin.CliConnection) {
-	log.Tracef("Initializing command '%s'\n", name)
-	c.InitializeAll(name, cliConnection)
+	c.InitializeBase(name, cliConnection)
 }
 
-// InitializeAll initializes the command with the specified name and CLI connection.
-func (c *BaseCommand) InitializeAll(name string, cliConnection plugin.CliConnection) {
+// InitializeBase initializes the command with the specified name and CLI connection.
+func (c *BaseCommand) InitializeBase(name string, cliConnection plugin.CliConnection) {
 	c.Name = name
 	c.CliConnection = cliConnection
 }
 
+// Dispose default dispose method which may be overriden in more specific commands
+func (c *BaseCommand) Dispose(name string) {
+	c.DisposeBase(name)
+}
+
+// DisposeBase dispose command
+func (c *BaseCommand) DisposeBase(_ string) {
+	// Do nothing
+}
+
 // Context holding the username, Org and Space of the current used
 type Context struct {
 	Username string

commands/command.go

@@ -9,4 +9,5 @@ type Command interface {
 	GetPluginCommand() plugin.Command
 	Initialize(name string, cliConnection plugin.CliConnection)
 	Execute(args []string) ExecutionStatus
+	Dispose(name string)
 }