feat: support specifying a starting time for PaaS logs

package.json

@@ -31,6 +31,7 @@
     "@types/tmp": "^0.2.0",
     "bluebird": "^3.7.2",
     "chalk": "^4.1.0",
+    "chrono-node": "^2.4.2",
     "cli-ux": "^5.5.1",
     "inquirer": "^8.0.0",
     "kepler-companion": "^1.1.3",

src/commands/paas/logs.ts

@@ -1,9 +1,10 @@
 import fs from "fs";
 import * as readline from "readline";
 
-import { cli } from "cli-ux";
 import { flags } from "@oclif/command";
 import chalk from "chalk";
+import * as chrono from "chrono-node";
+import { cli } from "cli-ux";
 
 import PaasLogin from "./login";
 import { PaasKommand } from "../../support/PaasKommand";
@@ -56,6 +57,9 @@ class PaasLogs extends PaasKommand {
     podName: flags.string({
       description: "Name of the pod to show logs from",
     }),
+    since: flags.string({
+      description: "Display logs from a specific absolute (e.g. 2022/12/02 09:41) or relative (e.g. a minute ago) time",
+    }),
   };
 
   static args = [
@@ -100,6 +104,9 @@ class PaasLogs extends PaasKommand {
 
     const separator = "\t";
 
+    // Parse the time arguments
+    const since = this.flags.since ? chrono.parseDate(this.flags.since).toISOString() : undefined;
+
     // Perform the streamed request
     const incomingMessage = await this.paas.queryHttpStream({
       controller: "application",
@@ -110,6 +117,7 @@ class PaasLogs extends PaasKommand {
       follow: this.flags.follow,
       tailLines: this.flags.tail,
       podName: this.flags.podName,
+      since,
     });
 
     // Read the response line by line