From f80d50adbddf55a043dfcab5b47d7c1e22749b7d Mon Sep 17 00:00:00 2001 From: Chris Date: Wed, 16 Aug 2017 17:23:38 -0500 Subject: PLT-7407: Back-end plugin mechanism (#7177) * begin backend plugin wip * flesh out rpcplugin. everything done except for minor supervisor stubs * done with basic plugin infrastructure * simplify tests * remove unused test lines --- plugin/pluginenv/options.go | 42 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 42 insertions(+) create mode 100644 plugin/pluginenv/options.go (limited to 'plugin/pluginenv/options.go') diff --git a/plugin/pluginenv/options.go b/plugin/pluginenv/options.go new file mode 100644 index 000000000..3f83228fb --- /dev/null +++ b/plugin/pluginenv/options.go @@ -0,0 +1,42 @@ +package pluginenv + +import ( + "fmt" + + "github.com/mattermost/platform/plugin" + "github.com/mattermost/platform/plugin/rpcplugin" +) + +// APIProvider specifies a function that provides an API implementation to each plugin. +func APIProvider(provider APIProviderFunc) Option { + return func(env *Environment) { + env.apiProvider = provider + } +} + +// SupervisorProvider specifies a function that provides a Supervisor implementation to each plugin. +// If unspecified, DefaultSupervisorProvider is used. +func SupervisorProvider(provider SupervisorProviderFunc) Option { + return func(env *Environment) { + env.supervisorProvider = provider + } +} + +// SearchPath specifies a directory that contains the plugins to launch. +func SearchPath(path string) Option { + return func(env *Environment) { + env.searchPath = path + } +} + +// DefaultSupervisorProvider chooses a supervisor based on the plugin's manifest contents. E.g. if +// the manifest specifies a backend executable, it will be given an rpcplugin.Supervisor. +func DefaultSupervisorProvider(bundle *plugin.BundleInfo) (plugin.Supervisor, error) { + if bundle.Manifest == nil { + return nil, fmt.Errorf("a manifest is required") + } + if bundle.Manifest.Backend == nil { + return nil, fmt.Errorf("invalid manifest: at this time, only backend plugins are supported") + } + return rpcplugin.SupervisorProvider(bundle) +} -- cgit v1.2.3-1-g7c22