cgr/parallel_test.cgr at main · commandgraph/cgr · GitHub

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
set servers = "web-1,web-2,web-3,web-4"
set version = "2.4.1"

target "deploy" local:
  [build release]:
    skip if $ test -f /tmp/cg_par_test/release.tar.gz
    run $ mkdir -p /tmp/cg_par_test && echo "built" > /tmp/cg_par_test/release.tar.gz

  [configure everything]:
    first [build release]
    run $ echo "all configs written"
    parallel 2 at a time:
      [write config a]:
        run $ echo "config_a" > /tmp/cg_par_test/a.conf

      [write config b]:
        run $ echo "config_b" > /tmp/cg_par_test/b.conf

      [write config c]:
        run $ echo "config_c" > /tmp/cg_par_test/c.conf


  [fetch package]:
    first [build release]
    race:
      [try local cache]:
        run $ test -f /tmp/cg_par_test/release.tar.gz && echo "cache hit"

      [try remote mirror]:
        run $ echo "downloaded from mirror"


  [distribute to fleet]:
    first [build release]
    each server in ${servers}, 2 at a time:
      [upload to ${server}]:
        run $ echo "uploading to ${server}" > /tmp/cg_par_test/${server}.uploaded


  [rolling deploy]:
    first [distribute to fleet]
    first [configure everything]
    first [fetch package]
    stage "rollout":
      phase "canary" 1 from ${servers}:
        [deploy to ${server}]:
          run $ echo "deployed ${version} to ${server}" > /tmp/cg_par_test/${server}.deployed

        verify "canary healthy":
          run $ test -f /tmp/cg_par_test/web-1.deployed

      phase "remaining" rest from ${servers}:
        each server, 2 at a time:
          [deploy to ${server}]:
            run $ echo "deployed ${version} to ${server}" > /tmp/cg_par_test/${server}.deployed


  verify "all servers deployed":
    first [rolling deploy]
    run $ ls /tmp/cg_par_test/*.deployed | wc -l | grep -q 4