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Merge pull request #64 from Travelport-Ukraine/master
Merged Milestone v0.5.0
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,31 @@ | ||
| # Terminal :computer: | ||
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| Terminal service provides an interface to run terminal commands | ||
| for terminal-enabled uAPI credentials. | ||
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| You can use Terminal service to run commands on behalf of your own PCC | ||
| or to use `emulatePcc` option to run commands on behalf of other PC using your own Service bureau. | ||
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| ## API | ||
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| **TerminalService** | ||
| * [`.executeCommand()`](#execute_command) ⇒ `Promise` | ||
| * [`.closeSession()`](#close_session) ⇒ `Promise` | ||
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| ## Methods | ||
| ### .executeCommand(command) | ||
| <a name="execute_command"></a> | ||
| Executes a command in terminal and returns its terminal response | ||
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| **Returns**: `Promise` that returns terminal command response in `String` format | ||
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| | Param | Type | Description | | ||
| | --- | --- | --- | | ||
| | command | `String` | String representation of the command you want to execute | | ||
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| ### .closeSession() | ||
| <a name="close_session"></a> | ||
| When you have finished command execution it's necessary to close terminal connection | ||
| to free up space in the terminal pool. Takes no parameters | ||
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| **Returns**: `Promise` which fullfills with true if terminal was succesfully closed |
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| Original file line number | Diff line number | Diff line change |
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| @@ -1,4 +1,4 @@ | ||
| # Utils :hotel: | ||
| # Utils :cd: | ||
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| Some powerfull utils that can help you build best products. | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,78 @@ | ||
| import { lib as screenLib } from 'galileo-screen'; | ||
| import { | ||
| TerminalRuntimeError, | ||
| } from './TerminalErrors'; | ||
| import terminalService from './TerminalService'; | ||
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| const responseHasMoreData = response => (response.slice(-1).join('') === ')><'); | ||
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| module.exports = function (settings) { | ||
| const service = terminalService(settings); | ||
| const emulatePcc = settings.emulatePcc || false; | ||
| const timeout = settings.timeout || false; | ||
| const state = { | ||
| sessionToken: null, | ||
| }; | ||
| const processResponse = (response, previousResponse = []) => { | ||
| const processedResponse = screenLib.mergeLastLinesAtIntersection( | ||
| previousResponse.slice(0, -1), | ||
| response | ||
| ); | ||
| if (!responseHasMoreData(response)) { | ||
| return processedResponse.join('\n'); | ||
| } | ||
| return service.executeCommand({ | ||
| sessionToken: state.sessionToken, | ||
| command: 'MD', | ||
| }).then( | ||
| mdResponse => processResponse(mdResponse, processedResponse) | ||
| ); | ||
| }; | ||
| const getSessionToken = () => new Promise((resolve, reject) => { | ||
| // Return token if already obtained | ||
| if (state.sessionToken !== null) { | ||
| resolve(state.sessionToken); | ||
| return; | ||
| } | ||
| // Getting token | ||
| service.getSessionToken({ | ||
| timeout, | ||
| }).then((sessionToken) => { | ||
| // Remember sesion token | ||
| Object.assign(state, { | ||
| sessionToken, | ||
| }); | ||
| // Return if no emulation needed | ||
| if (!emulatePcc) { | ||
| resolve(sessionToken); | ||
| return; | ||
| } | ||
| // Emulate pcc | ||
| service.executeCommand({ | ||
| sessionToken, | ||
| command: `SEM/${emulatePcc}/AG`, | ||
| }).then((response) => { | ||
| if (!response[0].match(/^PROCEED/)) { | ||
| reject(new TerminalRuntimeError.TerminalEmulationFailed(response)); | ||
| return; | ||
| } | ||
| resolve(sessionToken); | ||
| }); | ||
| }).catch(reject); | ||
| }); | ||
| return { | ||
| executeCommand: command => getSessionToken().then( | ||
| sessionToken => service.executeCommand({ | ||
| command, | ||
| sessionToken, | ||
| }).then( | ||
| response => processResponse(response) | ||
| ) | ||
| ), | ||
| closeSession: () => getSessionToken().then( | ||
| sessionToken => service.closeSession({ | ||
| sessionToken, | ||
| }) | ||
| ), | ||
| }; | ||
| }; |
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