aboutsummaryrefslogtreecommitdiff
path: root/mod/mod-ci-github.hxx
blob: 3b696d74c8a3a5e74fd5657b42b710a5ad8ee4db (plain)
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
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
// file      : mod/mod-ci-github.hxx -*- C++ -*-
// license   : MIT; see accompanying LICENSE file

#ifndef MOD_MOD_CI_GITHUB_HXX
#define MOD_MOD_CI_GITHUB_HXX

#include <libbrep/types.hxx>
#include <libbrep/utility.hxx>

#include <mod/module.hxx>
#include <mod/module-options.hxx>

#include <mod/ci-common.hxx>
#include <mod/tenant-service.hxx>

namespace butl
{
  namespace json
  {
    class parser;
  }
}

namespace brep
{
  // GitHub request/response types.
  //
  // Note that having this types directly in brep causes clashes (e.g., for
  // the repository name).
  //
  namespace gh
  {
    namespace json = butl::json;

    // The "check_suite" object within a check_suite webhook event request.
    //
    struct check_suite
    {
      uint64_t id;
      string head_branch;
      string head_sha;
      string before;
      string after;

      explicit
      check_suite (json::parser&);

      check_suite () = default;
    };

    struct repository
    {
      string name;
      string full_name;
      string default_branch;
      string clone_url;

      explicit
      repository (json::parser&);

      repository () = default;
    };

    struct installation
    {
      uint64_t id;

      explicit
      installation (json::parser&);

      installation () = default;
    };

    // The check_suite webhook event request.
    //
    struct check_suite_event
    {
      string action;
      gh::check_suite check_suite;
      gh::repository repository;
      gh::installation installation;

      explicit
      check_suite_event (json::parser&);

      check_suite_event () = default;
    };

    struct installation_access_token
    {
      string token;
      timestamp expires_at;

      explicit
      installation_access_token (json::parser&);

      installation_access_token () = default;
    };

    ostream&
    operator<< (ostream&, const check_suite&);

    ostream&
    operator<< (ostream&, const repository&);

    ostream&
    operator<< (ostream&, const installation&);

    ostream&
    operator<< (ostream&, const check_suite_event&);

    ostream&
    operator<< (ostream&, const installation_access_token&);
  }

  class ci_github: public handler,
                   private ci_start,
                   public tenant_service_build_queued,
                   public tenant_service_build_building,
                   public tenant_service_build_built
  {
  public:
    explicit
    ci_github (tenant_service_map&);

    // Create a shallow copy (handling instance) if initialized and a deep
    // copy (context exemplar) otherwise.
    //
    explicit
    ci_github (const ci_github&, tenant_service_map&);

    virtual bool
    handle (request&, response&);

    virtual const cli::options&
    cli_options () const {return options::ci_github::description ();}

    virtual function<optional<string> (const tenant_service&)>
    build_queued (const tenant_service&,
                  const vector<build>&,
                  optional<build_state> initial_state) const override;

    virtual function<optional<string> (const tenant_service&)>
    build_building (const tenant_service&, const build&) const override;

    virtual function<optional<string> (const tenant_service&)>
    build_built (const tenant_service&, const build&) const override;

  private:
    virtual void
    init (cli::scanner&);

    // Handle the check_suite event `requested` and `rerequested` actions.
    //
    bool
    handle_check_suite_request (gh::check_suite_event);

    string
    generate_jwt () const;

    // Authenticate to GitHub as an app installation.
    //
    gh::installation_access_token
    obtain_installation_access_token (uint64_t install_id, string jwt) const;

  private:
    shared_ptr<options::ci_github> options_;

    tenant_service_map& tenant_service_map_;
  };
}

#endif // MOD_MOD_CI_GITHUB_HXX