1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
|
import { clk } from "@gnu-taler/taler-util/clk";
import {
discoverPolicies,
getBackupStartState,
getRecoveryStartState,
reduceAction,
} from "@gnu-taler/anastasis-core";
import fs from "fs";
import { j2s } from "@gnu-taler/taler-util";
export const reducerCli = clk.program("anastasis-cli", {
help: "Command line interface for Anastasis.",
});
reducerCli
.subcommand("reducer", "reduce", {
help: "Run the anastasis reducer",
})
.flag("initBackup", ["-b", "--backup"])
.flag("initRecovery", ["-r", "--restore"])
.maybeOption("argumentsJson", ["-a", "--arguments"], clk.STRING)
.maybeArgument("action", clk.STRING)
.maybeArgument("stateFile", clk.STRING)
.action(async (x) => {
if (x.reducer.initBackup) {
console.log(JSON.stringify(await getBackupStartState()));
return;
} else if (x.reducer.initRecovery) {
console.log(JSON.stringify(await getRecoveryStartState()));
return;
}
const action = x.reducer.action;
if (!action) {
console.log("action required");
return;
}
let lastState: any;
if (x.reducer.stateFile) {
const s = fs.readFileSync(x.reducer.stateFile, { encoding: "utf-8" });
lastState = JSON.parse(s);
} else {
const s = await read(process.stdin);
lastState = JSON.parse(s);
}
let args: any;
if (x.reducer.argumentsJson) {
args = JSON.parse(x.reducer.argumentsJson);
} else {
args = {};
}
const nextState = await reduceAction(lastState, action, args);
console.log(JSON.stringify(nextState));
});
reducerCli
.subcommand("discover", "discover", {
help: "Run the anastasis reducer",
})
.maybeArgument("stateFile", clk.STRING)
.action(async (args) => {
let lastState: any;
if (args.discover.stateFile) {
const s = fs.readFileSync(args.discover.stateFile, { encoding: "utf-8" });
lastState = JSON.parse(s);
} else {
const s = await read(process.stdin);
lastState = JSON.parse(s);
}
const res = await discoverPolicies(lastState);
console.log(j2s(res));
});
async function read(stream: NodeJS.ReadStream): Promise<string> {
const chunks = [];
for await (const chunk of stream) {
chunks.push(chunk);
}
return Buffer.concat(chunks).toString("utf8");
}
export function reducerCliMain() {
reducerCli.run();
}
|
