Rework start/stop api to use runtime-event notification message

This commit is contained in:
Nick O'Leary 2022-06-29 10:27:44 +01:00
parent 68c1e49f62
commit f33848e16b
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GPG Key ID: 4F2157149161A6C9
11 changed files with 107 additions and 140 deletions

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@ -83,7 +83,7 @@ module.exports = {
postState: function(req,res) {
const opts = {
user: req.user,
requestedState: req.body.state||"",
state: req.body.state || "",
req: apiUtils.getRequestLogObject(req)
}
runtimeAPI.flows.setState(opts).then(function(result) {

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@ -169,6 +169,10 @@
}
},
"notification": {
"state": {
"flowsStopped": "Flows stopped",
"flowsStarted": "Flows started"
},
"warning": "<strong>Warning</strong>: __message__",
"warnings": {
"undeployedChanges": "node has undeployed changes",
@ -291,12 +295,6 @@
"stopstart":{
"status": {
"state_changed": "Flows runtime has been changed to '__state__' state"
},
"errors": {
"notAllowed": "Method not allowed",
"notAuthorized": "Not authorized",
"notFound": "Not found",
"noResponse": "No response from server"
}
},
"deploy": {

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@ -14,7 +14,7 @@
* limitations under the License.
**/
/**
/**
* An Interface to nodes and utility functions for creating/adding/deleting nodes and links
* @namespace RED.nodes
*/

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@ -336,7 +336,6 @@ var RED = (function() {
id: notificationId
}
if (notificationId === "runtime-state") {
RED.events.emit("runtime-state",msg);
if (msg.error === "safe-mode") {
options.buttons = [
{
@ -477,9 +476,9 @@ var RED = (function() {
} else if (persistentNotifications.hasOwnProperty(notificationId)) {
persistentNotifications[notificationId].close();
delete persistentNotifications[notificationId];
if (notificationId === 'runtime-state') {
RED.events.emit("runtime-state",msg);
}
}
if (notificationId === 'runtime-state') {
RED.events.emit("runtime-state",msg);
}
});
RED.comms.subscribe("status/#",function(topic,msg) {

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@ -1,53 +1,36 @@
RED.runtime = (function() {
let state = ""
let settings = {ui: false, enabled: false};
const STOPPED = "stopped"
const STARTED = "started"
let settings = { ui: false, enabled: false };
const STOPPED = "stop"
const STARTED = "start"
const SAFE = "safe"
return {
init: function() {
// refresh the current runtime status from server
settings = Object.assign({}, settings, RED.settings.runtimeState);
RED.runtime.requestState()
// {id:"flows-run-state", started: false, state: "stopped", retain:true}
RED.comms.subscribe("notification/flows-run-state",function(topic,msg) {
RED.events.emit("flows-run-state",msg);
RED.runtime.updateState(msg.state);
});
},
get state() {
return state
},
get started() {
return state === STARTED
},
get states() {
return { STOPPED, STARTED }
},
updateState: function(newState) {
state = newState;
// disable pointer events on node buttons (e.g. inject/debug nodes)
$(".red-ui-flow-node-button").toggleClass("red-ui-flow-node-button-stopped", state === STOPPED)
// show/hide Start/Stop based on current state
if(settings.enabled === true && settings.ui === true) {
RED.menu.setVisible("deploymenu-item-runtime-stop", state === STARTED)
RED.menu.setVisible("deploymenu-item-runtime-start", state === STOPPED)
}
},
requestState: function(callback) {
$.ajax({
headers: {
"Accept":"application/json"
},
cache: false,
url: 'flows/state',
success: function(data) {
RED.runtime.updateState(data.state)
if(callback) {
callback(data.state)
RED.events.on("runtime-state", function(msg) {
if (msg.state) {
const currentState = state
state = msg.state
$(".red-ui-flow-node-button").toggleClass("red-ui-flow-node-button-stopped", state !== STARTED)
if(settings.enabled === true && settings.ui === true) {
RED.menu.setVisible("deploymenu-item-runtime-stop", state === STARTED)
RED.menu.setVisible("deploymenu-item-runtime-start", state !== STARTED)
}
// Do not notify the user about this event if:
// - This is the very first event we've received after loading the editor (currentState = '')
// - The state matches what we already thought was the case (state === currentState)
// - The event was triggered by a deploy (msg.deploy === true)
// - The event is a safe mode event - that gets notified separately
if (currentState !== '' && state !== currentState && !msg.deploy && state !== SAFE) {
RED.notify(RED._("notification.state.flows"+(state === STOPPED?'Stopped':'Started'), msg), "success")
}
}
});
},
get started() {
return state === STARTED
}
}
})()
})()

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@ -69,7 +69,7 @@ RED.deploy = (function() {
{id:"deploymenu-item-node",toggle:"deploy-type",icon:"red/images/deploy-nodes.svg",label:RED._("deploy.modifiedNodes"),sublabel:RED._("deploy.modifiedNodesDesc"),onselect:function(s) { if(s){changeDeploymentType("nodes")}}},
null
]
if(RED.settings.runtimeState && RED.settings.runtimeState.ui === true) {
if (RED.settings.runtimeState && RED.settings.runtimeState.ui === true) {
mainMenuItems.push({id:"deploymenu-item-runtime-start", icon:"red/images/start.svg",label:"Start"/*RED._("deploy.startFlows")*/,sublabel:"Start Flows" /*RED._("deploy.startFlowsDesc")*/,onselect:"core:start-flows", visible:false})
mainMenuItems.push({id:"deploymenu-item-runtime-stop", icon:"red/images/stop.svg",label:"Stop"/*RED._("deploy.startFlows")*/,sublabel:"Stop Flows" /*RED._("deploy.startFlowsDesc")*/,onselect:"core:stop-flows", visible:false})
}
@ -302,7 +302,6 @@ RED.deploy = (function() {
deployInflight = true
deployButtonSetBusy()
shadeShow()
RED.runtime.updateState(state)
$.ajax({
url:"flows/state",
type: "POST",
@ -311,30 +310,23 @@ RED.deploy = (function() {
if (deployWasEnabled) {
$("#red-ui-header-button-deploy").removeClass("disabled")
}
RED.runtime.updateState((data && data.state) || "unknown")
RED.notify(RED._("stopstart.status.state_changed", data), "success")
}).fail(function(xhr,textStatus,err) {
if (deployWasEnabled) {
$("#red-ui-header-button-deploy").removeClass("disabled")
}
if (xhr.status === 401) {
RED.notify(RED._("notification.error", { message: RED._("stopstart.errors.notAuthorized") }), "error")
} else if (xhr.status === 404) {
RED.notify(RED._("notification.error", { message: RED._("stopstart.errors.notFound") }), "error")
} else if (xhr.status === 405) {
RED.notify(RED._("notification.error", { message: RED._("stopstart.errors.notAllowed") }), "error")
RED.notify(RED._("notification.error", { message: RED._("user.notAuthorized") }), "error")
} else if (xhr.responseText) {
const errorDetail = { message: err ? (err + "") : "" }
try {
errorDetail.message = JSON.parse(xhr.responseText).message
} finally {
} finally {
errorDetail.message = errorDetail.message || xhr.responseText
}
RED.notify(RED._("notification.error", errorDetail), "error")
} else {
RED.notify(RED._("notification.error", { message: RED._("stopstart.errors.noResponse") }), "error")
RED.notify(RED._("notification.error", { message: RED._("deploy.errors.noResponse") }), "error")
}
RED.runtime.requestState()
}).always(function() {
const delta = Math.max(0, 300 - (Date.now() - startTime))
setTimeout(function () {
@ -514,13 +506,10 @@ RED.deploy = (function() {
deployButtonSetBusy();
const data = { flows: nns };
data.runtimeState = RED.runtime.state;
if (data.runtimeState === RED.runtime.states.STOPPED || force) {
data._rev = RED.nodes.version();
} else {
if (!force) {
data.rev = RED.nodes.version();
}
deployInflight = true;
shadeShow();
$.ajax({

View File

@ -4877,7 +4877,7 @@ RED.view = (function() {
if (d._def.button) {
var buttonEnabled = isButtonEnabled(d);
this.__buttonGroup__.classList.toggle("red-ui-flow-node-button-disabled", !buttonEnabled);
if(RED.runtime && Object.hasOwn(RED.runtime,'started')) {
if (RED.runtime && Object.hasOwn(RED.runtime,'started')) {
this.__buttonGroup__.classList.toggle("red-ui-flow-node-button-stopped", !RED.runtime.started);
}

View File

@ -73,10 +73,6 @@ var api = module.exports = {
if (deploymentType === 'reload') {
apiPromise = runtime.flows.loadFlows(true);
} else {
//ensure the runtime running/stopped state matches the deploying editor. If not, then copy the _rev number to flows.rev
if(flows.hasOwnProperty('_rev') && !flows.hasOwnProperty('rev') && (flows.runtimeState !== "stopped" || runtime.flows.started)) {
flows.rev = flows._rev
}
if (flows.hasOwnProperty('rev')) {
var currentVersion = runtime.flows.getFlows().rev;
if (currentVersion !== flows.rev) {
@ -271,9 +267,7 @@ var api = module.exports = {
getState: async function(opts) {
runtime.log.audit({event: "flows.getState"}, opts.req);
const result = {
state: runtime.flows.started ? "started" : "stopped",
started: !!runtime.flows.started,
rev: runtime.flows.getFlows().rev
state: runtime.flows.state()
}
return result;
},
@ -282,7 +276,7 @@ var api = module.exports = {
* @param {Object} opts
* @param {Object} opts.req - the request to log (optional)
* @param {User} opts.user - the user calling the api
* @param {string} opts.requestedState - the requested state. Valid values are "start" and "stop".
* @param {string} opts.state - the requested state. Valid values are "start" and "stop".
* @return {Promise<Flow>} - the active flow configuration
* @memberof @node-red/runtime_flows
*/
@ -295,7 +289,7 @@ var api = module.exports = {
err.code = err.code || errcode || "unexpected_error"
runtime.log.audit({
event: "flows.setState",
state: opts.requestedState || "",
state: opts.state || "",
error: errcode || "unexpected_error",
message: err.code
}, opts.req);
@ -304,21 +298,22 @@ var api = module.exports = {
const getState = () => {
return {
state: runtime.flows.started ? "started" : "stopped",
started: !!runtime.flows.started,
rev: runtime.flows.getFlows().rev,
state: runtime.flows.state()
}
}
if(!runtime.settings.runtimeState || runtime.settings.runtimeState.enabled !== true) {
throw (makeError("Method Not Allowed", "not_allowed", 405))
}
switch (opts.requestedState) {
switch (opts.state) {
case "start":
try {
try {
runtime.settings.set('flowsRunStateRequested', opts.requestedState);
} catch(err) { }
runtime.settings.set('runtimeFlowState', opts.state);
} catch(err) {}
if (runtime.settings.safeMode) {
delete runtime.settings.safeMode
}
await runtime.flows.startFlows("full")
return getState()
} catch (err) {
@ -327,15 +322,15 @@ var api = module.exports = {
case "stop":
try {
try {
runtime.settings.set('flowsRunStateRequested', opts.requestedState);
} catch(err) { }
runtime.settings.set('runtimeFlowState', opts.state);
} catch(err) {}
await runtime.flows.stopFlows("full")
return getState()
} catch (err) {
throw (makeError(err, err.code, 500))
}
default:
throw (makeError(`Cannot change flows runtime state to '${opts.requestedState}'}`, "invalid_run_state", 400))
throw (makeError(`Cannot change flows runtime state to '${opts.state}'}`, "invalid_run_state", 400))
}
},
}

View File

@ -36,6 +36,8 @@ var activeFlowConfig = null;
var activeFlows = {};
var started = false;
var state = 'stop'
var credentialsPendingReset = false;
var activeNodesToFlow = {};
@ -50,6 +52,7 @@ function init(runtime) {
storage = runtime.storage;
log = runtime.log;
started = false;
state = 'stop';
if (!typeEventRegistered) {
events.on('type-registered',function(type) {
if (activeFlowConfig && activeFlowConfig.missingTypes.length > 0) {
@ -214,19 +217,26 @@ function setFlows(_config,_credentials,type,muteLog,forceStart,user) {
// Flows are running (or should be)
// Stop the active flows (according to deploy type and the diff)
return stop(type,diff,muteLog).then(() => {
return stop(type,diff,muteLog,true).then(() => {
// Once stopped, allow context to remove anything no longer needed
return context.clean(activeFlowConfig)
}).then(() => {
if (!isLoad) {
log.info(log._("nodes.flows.updated-flows"));
}
// Start the active flows
start(type,diff,muteLog).then(() => {
start(type,diff,muteLog,true).then(() => {
events.emit("runtime-event",{id:"runtime-deploy",payload:{revision:flowRevision},retain: true});
});
// Return the new revision asynchronously to the actual start
return flowRevision;
}).catch(function(err) { })
} else {
if (!isLoad) {
log.info(log._("nodes.flows.updated-flows"));
}
events.emit("runtime-event",{id:"runtime-deploy",payload:{revision:flowRevision},retain: true});
return flowRevision;
}
});
}
@ -259,10 +269,10 @@ function getFlows() {
return activeConfig;
}
async function start(type,diff,muteLog) {
type = type||"full";
let reallyStarted = started
async function start(type,diff,muteLog,isDeploy) {
type = type || "full";
started = true;
state = 'start'
var i;
// If there are missing types, report them, emit the necessary runtime event and return
if (activeFlowConfig.missingTypes.length > 0) {
@ -284,7 +294,7 @@ async function start(type,diff,muteLog) {
log.info(log._("nodes.flows.missing-type-install-2"));
log.info(" "+settings.userDir);
}
events.emit("runtime-event",{id:"runtime-state",payload:{error:"missing-types", type:"warning",text:"notification.warnings.missing-types",types:activeFlowConfig.missingTypes},retain:true});
events.emit("runtime-event",{id:"runtime-state",payload:{state: 'stop', error:"missing-types", type:"warning",text:"notification.warnings.missing-types",types:activeFlowConfig.missingTypes},retain:true});
return;
}
@ -298,7 +308,7 @@ async function start(type,diff,muteLog) {
missingModules.push({module:err[i].module.module, error: err[i].error.code || err[i].error.toString()})
log.info(` - ${err[i].module.spec} [${err[i].error.code || "unknown_error"}]`);
}
events.emit("runtime-event",{id:"runtime-state",payload:{error:"missing-modules", type:"warning",text:"notification.warnings.missing-modules",modules:missingModules},retain:true});
events.emit("runtime-event",{id:"runtime-state",payload:{state: 'stop', error:"missing-modules", type:"warning",text:"notification.warnings.missing-modules",modules:missingModules},retain:true});
return;
}
@ -307,10 +317,20 @@ async function start(type,diff,muteLog) {
log.info("*****************************************************************")
log.info(log._("nodes.flows.safe-mode"));
log.info("*****************************************************************")
events.emit("runtime-event",{id:"runtime-state",payload:{error:"safe-mode", type:"warning",text:"notification.warnings.safe-mode"},retain:true});
state = 'safe'
events.emit("runtime-event",{id:"runtime-state",payload:{state: 'safe', error:"safe-mode", type:"warning",text:"notification.warnings.safe-mode"},retain:true});
return;
}
const runtimeState = settings.get('runtimeFlowState') || 'start'
if (runtimeState === 'stop') {
log.info(log._("nodes.flows.stopped-flows"));
events.emit("runtime-event",{id:"runtime-state",payload:{ state: 'stop', deploy:isDeploy },retain:true});
state = 'stop'
started = false
return
}
if (!muteLog) {
if (type !== "full") {
log.info(log._("nodes.flows.starting-modified-"+type));
@ -365,51 +385,31 @@ async function start(type,diff,muteLog) {
}
}
}
// Having created or updated all flows, now start them.
let startFlows = true
try {
startFlows = settings.get('flowsRunStateRequested');
} catch(err) {
}
startFlows = (startFlows !== "stop");
if (startFlows) {
for (id in activeFlows) {
if (activeFlows.hasOwnProperty(id)) {
try {
activeFlows[id].start(diff);
// Create a map of node id to flow id and also a subflowInstance lookup map
var activeNodes = activeFlows[id].getActiveNodes();
Object.keys(activeNodes).forEach(function(nid) {
activeNodesToFlow[nid] = id;
});
} catch(err) {
console.log(err.stack);
}
for (id in activeFlows) {
if (activeFlows.hasOwnProperty(id)) {
try {
activeFlows[id].start(diff);
// Create a map of node id to flow id and also a subflowInstance lookup map
var activeNodes = activeFlows[id].getActiveNodes();
Object.keys(activeNodes).forEach(function(nid) {
activeNodesToFlow[nid] = id;
});
} catch(err) {
console.log(err.stack);
}
}
reallyStarted = true;
events.emit("flows:started", {config: activeConfig, type: type, diff: diff});
// Deprecated event
events.emit("nodes-started");
} else {
started = false;
}
const state = {
started: reallyStarted,
state: reallyStarted ? "started" : "stopped",
}
events.emit("runtime-event",{id:"flows-run-state", payload: state, retain:true});
events.emit("flows:started", {config: activeConfig, type: type, diff: diff});
// Deprecated event
events.emit("nodes-started");
if (credentialsPendingReset === true) {
credentialsPendingReset = false;
} else {
events.emit("runtime-event",{id:"runtime-state",retain:true});
events.emit("runtime-event",{id:"runtime-state", payload:{ state: 'start', deploy:isDeploy}, retain:true});
}
if (!muteLog && reallyStarted) {
if (!muteLog) {
if (type !== "full") {
log.info(log._("nodes.flows.started-modified-"+type));
} else {
@ -419,7 +419,7 @@ async function start(type,diff,muteLog) {
return;
}
function stop(type,diff,muteLog) {
function stop(type,diff,muteLog,isDeploy) {
if (!started) {
return Promise.resolve();
}
@ -439,6 +439,7 @@ function stop(type,diff,muteLog) {
}
}
started = false;
state = 'stop'
var promises = [];
var stopList;
var removedList = diff.removed;
@ -490,7 +491,8 @@ function stop(type,diff,muteLog) {
}
}
events.emit("flows:stopped",{config: activeConfig, type: type, diff: diff});
events.emit("runtime-event",{id:"flows-run-state", payload: {started: false, state: "stopped"}, retain:true});
events.emit("runtime-event",{ id:"runtime-state", payload:{ state: 'stop', deploy:isDeploy }, retain:true });
// Deprecated event
events.emit("nodes-stopped");
});
@ -810,7 +812,7 @@ module.exports = {
stopFlows: stop,
get started() { return started },
state: () => { return state },
// handleError: handleError,
// handleStatus: handleStatus,

View File

@ -215,7 +215,7 @@ function start() {
}
}
return redNodes.loadContextsPlugin().then(function () {
redNodes.loadFlows().then(redNodes.startFlows).catch(function(err) {});
redNodes.loadFlows().then(() => { redNodes.startFlows() }).catch(function(err) {});
started = true;
});
});
@ -399,12 +399,12 @@ module.exports = {
* @memberof @node-red/runtime
*/
version: externalAPI.version,
/**
* @memberof @node-red/diagnostics
*/
diagnostics:externalAPI.diagnostics,
storage: storage,
events: events,
hooks: hooks,

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@ -122,6 +122,7 @@
"stopped-flows": "Stopped flows",
"stopped": "Stopped",
"stopping-error": "Error stopping node: __message__",
"updated-flows": "Updated flows",
"added-flow": "Adding flow: __label__",
"updated-flow": "Updated flow: __label__",
"removed-flow": "Removed flow: __label__",