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Merge pull request #3356 from node-red-hitachi/node-prop-env-var

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Add support for accessing node id & name as environment variable
This commit is contained in:
Nick O'Leary 2022-01-26 11:11:02 +00:00 committed by GitHub
commit 87c89586a5
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5 changed files with 273 additions and 1 deletions
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19
packages/node_modules/@node-red/runtime/lib/flows/Flow.js vendored
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@ -424,6 +424,17 @@ class Flow {
*/
getGroupEnvSetting(node, group, name) {
if (group) {
if (name === "NR_GROUP_NAME") {
return [{
val: group.name
}, null];
}
if (name === "NR_GROUP_ID") {
return [{
val: group.id
}, null];
}
if (group.credentials === undefined) {
group.credentials = credentials.get(group.id) || {};
}
@ -498,7 +509,13 @@ class Flow {
* @return {[type]} [description]
*/
getSetting(key) {
const flow = this.flow;
const flow = this.flow;
if (key === "NR_FLOW_NAME") {
return flow.label;
}
if (key === "NR_FLOW_ID") {
return flow.id;
}
if (flow.credentials === undefined) {
flow.credentials = credentials.get(flow.id) || {};
}

8
packages/node_modules/@node-red/runtime/lib/flows/Subflow.js vendored
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@ -371,6 +371,14 @@ class Subflow extends Flow {
name = name.substring(8);
}
const node = this.subflowInstance;
if (node) {
if (name === "NR_NODE_NAME") {
return node.name;
}
if (name === "NR_NODE_ID") {
return node.id;
}
}
if (node.g) {
const group = this.getGroupNode(node.g);
const [result, newName] = this.getGroupEnvSetting(node, group, name);

8
packages/node_modules/@node-red/util/lib/util.js vendored
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@ -522,6 +522,14 @@ function setObjectProperty(msg,prop,value,createMissing) {
* @return {String} value of env var
*/
function getSetting(node, name, flow_) {
if (node) {
if (name === "NR_NODE_NAME") {
return node.name;
}
if (name === "NR_NODE_ID") {
return node.id;
}
}
var flow = (flow_ ? flow_ : (node ? node._flow : null));
if (flow) {
if (node && node.g) {

118
test/nodes/core/common/20-inject_spec.js
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@ -106,6 +106,123 @@ describe('inject node', function() {
});
});
it('inject name of node as environment variable ', function (done) {
var flow = [{id: "n1", type: "inject", name: "NAME", topnic: "t1", payload: "NR_NODE_NAME", payloadType: "env", wires: [["n2"]], z: "flow"},
{id: "n2", type: "helper"}];
helper.load(injectNode, flow, function () {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n2.on("input", function (msg) {
try {
msg.should.have.property("payload", "NAME");
done();
} catch (err) {
done(err);
}
});
n1.receive({});
});
});
it('inject id of node as environment variable ', function (done) {
var flow = [{id: "n1", type: "inject", name: "NAME", topnic: "t1", payload: "NR_NODE_ID", payloadType: "env", wires: [["n2"]], z: "flow"},
{id: "n2", type: "helper"}];
helper.load(injectNode, flow, function () {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n2.on("input", function (msg) {
try {
msg.should.have.property("payload", "n1");
done();
} catch (err) {
done(err);
}
});
n1.receive({});
});
});
it('inject name of flow as environment variable ', function (done) {
var flow = [{id: "n1", type: "inject", name: "NAME", topnic: "t1", payload: "NR_FLOW_NAME", payloadType: "env", wires: [["n2"]], z: "flow"},
{id: "n2", type: "helper"},
{id: "flow", type: "tab", label: "FLOW" },
];
helper.load(injectNode, flow, function () {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n2.on("input", function (msg) {
try {
msg.should.have.property("payload", "FLOW");
done();
} catch (err) {
done(err);
}
});
n1.receive({});
});
});
it('inject id of flow as environment variable ', function (done) {
var flow = [{id: "n1", type: "inject", name: "NAME", topnic: "t1", payload: "NR_FLOW_ID", payloadType: "env", wires: [["n2"]], z: "flow"},
{id: "n2", type: "helper"},
{id: "flow", type: "tab", name: "FLOW" },
];
helper.load(injectNode, flow, function () {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n2.on("input", function (msg) {
try {
msg.should.have.property("payload", "flow");
done();
} catch (err) {
done(err);
}
});
n1.receive({});
});
});
it('inject name of group as environment variable ', function (done) {
var flow = [{id: "n1", type: "inject", name: "NAME", topnic: "t1", payload: "NR_GROUP_NAME", payloadType: "env", wires: [["n2"]], z: "flow", g: "g0"},
{id: "n2", type: "helper"},
{id: "g0", type: "group", name: "GROUP" },
];
helper.load(injectNode, flow, function () {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n2.on("input", function (msg) {
try {
msg.should.have.property("payload", "GROUP");
done();
} catch (err) {
done(err);
}
});
n1.receive({});
});
});
it('inject id of group as environment variable ', function (done) {
var flow = [{id: "n1", type: "inject", name: "NAME", topnic: "t1", payload: "NR_GROUP_ID", payloadType: "env", wires: [["n2"]], z: "flow", g: "g0"},
{id: "n2", type: "helper"},
{id: "g0", type: "group", name: "GROUP" },
];
helper.load(injectNode, flow, function () {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n2.on("input", function (msg) {
try {
msg.should.have.property("payload", "g0");
done();
} catch (err) {
done(err);
}
});
n1.receive({});
});
});
it('sets the value of flow context property', function (done) {
var flow = [{id: "n1", type: "inject", topic: "t1", payload: "flowValue", payloadType: "flow", wires: [["n2"]], z: "flow"},
{id: "n2", type: "helper"}];
@ -149,6 +266,7 @@ describe('inject node', function() {
});
});
it('sets the value of two persistable flow context property', function (done) {
var flow = [{id: "n0", z: "flow", type: "inject", topic: "t0", payload: "#:(memory0)::val", payloadType: "flow", wires: [["n2"]]},
{id: "n1", z: "flow", type: "inject", topic: "t1", payload: "#:(memory1)::val", payloadType: "flow", wires: [["n2"]]},

121
test/unit/@node-red/runtime/lib/flows/Subflow_spec.js
View File

@ -201,6 +201,64 @@ describe('Subflow', function() {
}
util.inherits(TestEnvNode,Node);
var TestNameEnvNode = function(n) {
Node.call(this,n);
this._index = createCount++;
this.scope = n.scope;
this.foo = n.foo;
var node = this;
this.stopped = false;
this.received = null;
currentNodes[node.id] = node;
this.on('input',function(msg) {
var flow = node._flow;
var val = flow.getSetting("NR_NODE_NAME");
node.received = val;
node.send({payload: val});
});
this.on('close',function() {
node.stopped = true;
stoppedNodes[node.id] = node;
delete currentNodes[node.id];
});
this.__updateWires = this.updateWires;
this.updateWires = function(newWires) {
rewiredNodes[node.id] = node;
node.newWires = newWires;
node.__updateWires(newWires);
};
}
util.inherits(TestNameEnvNode,Node);
var TestIDEnvNode = function(n) {
Node.call(this,n);
this._index = createCount++;
this.scope = n.scope;
this.foo = n.foo;
var node = this;
this.stopped = false;
this.received = null;
currentNodes[node.id] = node;
this.on('input',function(msg) {
var flow = node._flow;
var val = flow.getSetting("NR_NODE_ID");
node.received = val;
node.send({payload: val});
});
this.on('close',function() {
node.stopped = true;
stoppedNodes[node.id] = node;
delete currentNodes[node.id];
});
this.__updateWires = this.updateWires;
this.updateWires = function(newWires) {
rewiredNodes[node.id] = node;
node.newWires = newWires;
node.__updateWires(newWires);
};
}
util.inherits(TestIDEnvNode,Node);
before(function() {
getType = sinon.stub(typeRegistry,"get").callsFake(function(type) {
if (type=="test") {
@ -211,6 +269,10 @@ describe('Subflow', function() {
return TestStatusNode;
} else if (type=="testEnv"){
return TestEnvNode;
} else if (type=="testNameEnv"){
return TestNameEnvNode;
} else if (type=="testIDEnv"){
return TestIDEnvNode;
} else {
return TestAsyncNode;
}
@ -880,6 +942,65 @@ describe('Subflow', function() {
},150);
});
it("can access name of subflow as env var", function(done) {
var config = flowUtils.parseConfig([
{id:"t1",type:"tab"},
{id:"1",x:10,y:10,z:"t1",type:"test",foo:"t1.1",wires:["2"]},
{id:"2",x:10,y:10,z:"t1",type:"subflow:sf1",name:"SFN",wires:["3"]},
{id:"3",x:10,y:10,z:"t1",type:"test",foo:"t1.3",wires:[]},
{id:"sf1",type:"subflow",name:"Subflow 2",info:"",
"in":[ {wires:[{id:"sf1-1"}]} ],
"out":[ {wires:[{id:"sf1-2",port:0}]} ]},
{id:"sf1-1",type:"test",z:"sf1",foo:"sf1.1",x:166,y:99,wires:[["sf1-2"]]},
{id:"sf1-2",type:"testNameEnv",z:"sf1",foo:"sf1.2",x:166,y:99,wires:[[]]}
]);
var flow = Flow.create({
getSetting: k=> process.env[k],
handleError: (a,b,c) => { console.log(a,b,c); }
},config,config.flows["t1"]);
flow.start();
currentNodes["1"].receive({payload: "test"});
setTimeout(function() {
currentNodes["3"].should.have.a.property("received", "SFN");
flow.stop().then(function() {
done();
});
},150);
});
it("can access id of subflow as env var", function(done) {
var config = flowUtils.parseConfig([
{id:"t1",type:"tab"},
{id:"1",x:10,y:10,z:"t1",type:"test",foo:"t1.1",wires:["2"]},
{id:"2",x:10,y:10,z:"t1",type:"subflow:sf1",name:"SFN",wires:["3"]},
{id:"3",x:10,y:10,z:"t1",type:"test",foo:"t1.3",wires:[]},
{id:"sf1",type:"subflow",name:"Subflow 2",info:"",
"in":[ {wires:[{id:"sf1-1"}]} ],
"out":[ {wires:[{id:"sf1-2",port:0}]} ]},
{id:"sf1-1",type:"test",z:"sf1",foo:"sf1.1",x:166,y:99,wires:[["sf1-2"]]},
{id:"sf1-2",type:"testIDEnv",z:"sf1",foo:"sf1.2",x:166,y:99,wires:[[]]}
]);
var flow = Flow.create({
getSetting: k=> process.env[k],
handleError: (a,b,c) => { console.log(a,b,c); }
},config,config.flows["t1"]);
flow.start();
currentNodes["1"].receive({payload: "test"});
setTimeout(function() {
currentNodes["3"].should.have.a.property("received", "2");
flow.stop().then(function() {
done();
});
},150);
});
});
});