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
|
package earlyconfig
import (
"fmt"
"sort"
version "github.com/hashicorp/go-version"
"github.com/hashicorp/terraform-config-inspect/tfconfig"
"github.com/hashicorp/terraform/addrs"
"github.com/hashicorp/terraform/moduledeps"
"github.com/hashicorp/terraform/plugin/discovery"
"github.com/hashicorp/terraform/tfdiags"
)
// A Config is a node in the tree of modules within a configuration.
//
// The module tree is constructed by following ModuleCall instances recursively
// through the root module transitively into descendent modules.
type Config struct {
// RootModule points to the Config for the root module within the same
// module tree as this module. If this module _is_ the root module then
// this is self-referential.
Root *Config
// ParentModule points to the Config for the module that directly calls
// this module. If this is the root module then this field is nil.
Parent *Config
// Path is a sequence of module logical names that traverse from the root
// module to this config. Path is empty for the root module.
//
// This should only be used to display paths to the end-user in rare cases
// where we are talking about the static module tree, before module calls
// have been resolved. In most cases, an addrs.ModuleInstance describing
// a node in the dynamic module tree is better, since it will then include
// any keys resulting from evaluating "count" and "for_each" arguments.
Path addrs.Module
// ChildModules points to the Config for each of the direct child modules
// called from this module. The keys in this map match the keys in
// Module.ModuleCalls.
Children map[string]*Config
// Module points to the object describing the configuration for the
// various elements (variables, resources, etc) defined by this module.
Module *tfconfig.Module
// CallPos is the source position for the header of the module block that
// requested this module.
//
// This field is meaningless for the root module, where its contents are undefined.
CallPos tfconfig.SourcePos
// SourceAddr is the source address that the referenced module was requested
// from, as specified in configuration.
//
// This field is meaningless for the root module, where its contents are undefined.
SourceAddr string
// Version is the specific version that was selected for this module,
// based on version constraints given in configuration.
//
// This field is nil if the module was loaded from a non-registry source,
// since versions are not supported for other sources.
//
// This field is meaningless for the root module, where it will always
// be nil.
Version *version.Version
}
// ProviderDependencies returns the provider dependencies for the recieving
// config, including all of its descendent modules.
func (c *Config) ProviderDependencies() (*moduledeps.Module, tfdiags.Diagnostics) {
var diags tfdiags.Diagnostics
var name string
if len(c.Path) > 0 {
name = c.Path[len(c.Path)-1]
}
ret := &moduledeps.Module{
Name: name,
}
providers := make(moduledeps.Providers)
for name, reqs := range c.Module.RequiredProviders {
inst := moduledeps.ProviderInstance(name)
var constraints version.Constraints
for _, reqStr := range reqs {
if reqStr != "" {
constraint, err := version.NewConstraint(reqStr)
if err != nil {
diags = diags.Append(wrapDiagnostic(tfconfig.Diagnostic{
Severity: tfconfig.DiagError,
Summary: "Invalid provider version constraint",
Detail: fmt.Sprintf("Invalid version constraint %q for provider %s.", reqStr, name),
}))
continue
}
constraints = append(constraints, constraint...)
}
}
providers[inst] = moduledeps.ProviderDependency{
Constraints: discovery.NewConstraints(constraints),
Reason: moduledeps.ProviderDependencyExplicit,
}
}
ret.Providers = providers
childNames := make([]string, 0, len(c.Children))
for name := range c.Children {
childNames = append(childNames, name)
}
sort.Strings(childNames)
for _, name := range childNames {
child, childDiags := c.Children[name].ProviderDependencies()
ret.Children = append(ret.Children, child)
diags = diags.Append(childDiags)
}
return ret, diags
}
|
