vole
Clone
Read only, no credentials:
https://rodent.software/git/vole.git
Write over SSH with a registered key:
git clone ssh://git@0.0.0.0:2222/vole.git
A free and open-source forge that lives in your Git repo.
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6e1fca51
Keenan Nemetz
6d ago
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1 | package agent |
| 2 | ||
| 3 | import ( | |
| 4 | "strings" | |
| 5 | "testing" | |
| 6 | ) | |
| 7 | ||
| 8 | // The job pushes to the instance it was leased from, so the known_hosts entry has to | |
| 9 | // name the same host and port. OpenSSH brackets a non-default port, and getting that | |
| 10 | // wrong turns every push into a host-key failure. | |
| 11 | func TestKnownHostsLineNamesTheLeaseHost(t *testing.T) { | |
| 12 | t.Parallel() | |
| 13 | const key = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIexample" | |
| 14 | cases := []struct{ remote, want string }{ | |
| 15 | {"ssh://git@forge.example.com/demo", "forge.example.com " + key + "\n"}, | |
| 16 | {"ssh://git@forge.example.com:22/demo", "forge.example.com " + key + "\n"}, | |
| 17 | {"ssh://git@127.0.0.1:2222/vole", "[127.0.0.1]:2222 " + key + "\n"}, | |
| 18 | } | |
| 19 | for _, c := range cases { | |
| 20 | got, err := knownHostsLine(c.remote, key) | |
| 21 | if err != nil { | |
| 22 | t.Fatalf("%s: %v", c.remote, err) | |
| 23 | } | |
| 24 | if got != c.want { | |
| 25 | t.Fatalf("%s: known_hosts = %q, want %q", c.remote, got, c.want) | |
| 26 | } | |
| 27 | } | |
| 28 | // A job that cannot be told how to verify the host must not run with the key: a | |
| 29 | // credential pointed at an unverified host is worse than no credential. | |
| 30 | if _, err := knownHostsLine("https://forge.example.com/demo", key); err == nil { | |
| 31 | t.Fatal("a non-ssh remote was accepted") | |
| 32 | } | |
| 33 | if _, err := knownHostsLine("ssh://git@forge.example.com/demo", ""); err == nil { | |
| 34 | t.Fatal("an empty host key was accepted") | |
| 35 | } | |
| 36 | } | |
| 37 | ||
| 38 | // The environment points git and the CLI at the key without a step doing anything, | |
| 39 | // and it does not edit the run's pinned environment. | |
| 40 | func TestCredentialEnvironmentPointsAtTheKey(t *testing.T) { | |
| 41 | t.Parallel() | |
| 42 | pinned := map[string]string{"GOCACHE": "/cache/go-build"} | |
| 43 | job := &runnerJob{ID: "01M6FFY0BARR9YDQ3KK64VQ0MG", Repo: "demo"} | |
| 44 | env, err := withCredentialEnv(pinned, "ssh://git@forge.example.com:2222/demo", job) | |
| 45 | if err != nil { | |
| 46 | t.Fatal(err) | |
| 47 | } | |
| 48 | if env["VOLE_RUN_ID"] != job.ID || env["VOLE_REPO"] != "demo" { | |
| 49 | t.Fatalf("run identity = %q/%q", env["VOLE_RUN_ID"], env["VOLE_REPO"]) | |
| 50 | } | |
| 51 | if !strings.Contains(env["GIT_SSH_COMMAND"], "-i "+RunCredentialPath) || | |
| 52 | !strings.Contains(env["GIT_SSH_COMMAND"], RunKnownHostsPath) { | |
| 53 | t.Fatalf("GIT_SSH_COMMAND = %q", env["GIT_SSH_COMMAND"]) | |
| 54 | } | |
| 55 | if env["GIT_SSH_COMMAND"] != env["VOLE_SSH_COMMAND"] { | |
| 56 | t.Fatalf("the CLI and git disagree: %q vs %q", env["VOLE_SSH_COMMAND"], env["GIT_SSH_COMMAND"]) | |
| 57 | } | |
| 58 | if env["GOCACHE"] != "/cache/go-build" { | |
| 59 | t.Fatalf("the job's own environment was lost: %q", env["GOCACHE"]) | |
| 60 | } | |
| 61 | if _, ok := pinned["VOLE_RUN_ID"]; ok { | |
| 62 | t.Fatal("the pinned environment was edited in place") | |
| 63 | } | |
| 64 | } |