nexus7 0.1.2

Rust SDK for HCL Transpilation
Documentation 
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
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230

use crate::aws::network::subnet::Subnet;
use crate::aws::network::vpc::ElasticIp;
use crate::aws::network::vpc::Vpc;
use hcl::{Block, Expression, ObjectKey};
use std::collections::HashMap;

/// Represents an AWS NAT Gateway resource.
#[derive(Debug, Clone)]
pub struct NAT<'a> {
    /// The ID of the NAT Gateway.
    pub id: Option<String>,

    /// The VPC in which the NAT Gateway is located.
    pub vpc: &'a Vpc,

    /// The Subnet in which the NAT Gateway is located.
    pub subnet: &'a Subnet<'a>,

    /// The Elastic IP associated with the NAT Gateway.
    pub elastic_ip: &'a ElasticIp,

    /// The connectivity type for the NAT Gateway. Valid values are private and public.
    pub connectivity_type: Option<String>,

    /// A map of tags to assign to the resource.
    pub tags: Option<HashMap<String, String>>,

    /// A state of the NAT Gateway (pending | failed | available | deleting | deleted).
    pub state: Option<String>,
}

impl<'a> From<NAT<'a>> for Block {
    fn from(nat: NAT<'a>) -> Self {
        let mut block = Block::builder("resource")
            .add_label("aws_nat_gateway")
            .add_label(nat.id.as_deref().unwrap_or("nat"))
            .add_attribute((
                "subnet_id",
                Expression::from(format!("${{aws_subnet.{}.id}}", nat.subnet.name)),
            ))
            .add_attribute((
                "allocation_id",
                Expression::from(format!("${{aws_eip.{}.id}}", nat.elastic_ip.name)),
            ));

        match nat.connectivity_type {
            Some(connectivity_type) => {
                block = block
                    .add_attribute(("connectivity_type", Expression::String(connectivity_type)))
            }
            None => (),
        }

        match nat.state {
            Some(state) => block = block.add_attribute(("state", Expression::String(state))),
            None => (),
        }

        match nat.tags {
            Some(tags) => {
                let tags_expr = Expression::Object(
                    tags.into_iter()
                        .map(|(k, v)| (ObjectKey::from(k), Expression::String(v)))
                        .collect(),
                );
                block = block.add_attribute(("tags", tags_expr));
            }
            None => (),
        }

        block.build()
    }
}

/// Represents a data source for an AWS NAT Gateway.
#[derive(Debug, Clone)]
pub struct NATDataSource {
    /// One or more name-value pairs to filter by.
    pub filter: Option<Vec<Filter>>,

    /// The ID of the NAT Gateway.
    pub id: Option<String>,

    /// The state of the NAT Gateway (pending | failed | available | deleting | deleted).
    pub state: Option<String>,

    /// The ID of the subnet in which the NAT Gateway is placed.
    pub subnet_id: Option<String>,

    /// A map of tags to assign to the resource.
    pub tags: Option<HashMap<String, String>>,

    /// The ID of the VPC in which the NAT Gateway is located.
    pub vpc_id: Option<String>,
}

#[derive(Debug, Clone)]
pub struct Filter {
    pub name: String,
    pub values: Vec<String>,
}

impl From<NATDataSource> for Block {
    fn from(data_source: NATDataSource) -> Self {
        let mut block = Block::builder("data")
            .add_label("aws_nat_gateway")
            .add_label(data_source.id.as_deref().unwrap_or("nat"));

        if let Some(id) = data_source.id {
            block = block.add_attribute(("id", Expression::String(id)));
        }

        if let Some(vpc_id) = data_source.vpc_id {
            block = block.add_attribute(("vpc_id", Expression::String(vpc_id)));
        }

        if let Some(state) = data_source.state {
            block = block.add_attribute(("state", Expression::String(state)));
        }

        if let Some(tags) = data_source.tags {
            let tags_expr = Expression::Object(
                tags.into_iter()
                    .map(|(k, v)| (ObjectKey::from(k), Expression::String(v)))
                    .collect(),
            );
            block = block.add_attribute(("tags", tags_expr));
        }

        if let Some(filters) = data_source.filter {
            let filter_blocks: Vec<Block> = filters
                .into_iter()
                .map(|f| {
                    Block::builder("filter")
                        .add_attribute(("name", Expression::String(f.name)))
                        .add_attribute((
                            "values",
                            Expression::Array(
                                f.values.into_iter().map(Expression::String).collect(),
                            ),
                        ))
                        .build()
                })
                .collect();
            block = block.add_blocks(filter_blocks);
        }

        block.build()
    }
}

#[cfg(test)]
mod tests {
    use super::*;

    #[test]
    fn test_nat_gateway_to_hcl() {
        let vpc = Vpc {
            name: "test-vpc".to_string(),
            cidr_block: "10.0.0.0/16".to_string(),
            instance_tenancy: None,
            enable_dns_hostnames: None,
            enable_dns_support: None,
            enable_classiclink: None,
            enable_classiclink_dns_support: None,
            assign_generated_ipv6_cidr_block: None,
            tags: None,
        };

        let nat_gateway = Gateway {
            id: Some("ngw-12345".to_string()),
            subnet_id: "public_subnet".to_string(),
            vpc: &vpc,
            allocation_id: Some("eipalloc-12345".to_string()),
            connectivity_type: Some("public".to_string()),
            tags: Some(HashMap::from([
                ("Name".to_string(), "Main NAT Gateway".to_string()),
                ("Environment".to_string(), "Production".to_string()),
            ])),
            state: None,
        };

        let block: Block = nat_gateway.into();
        let hcl = hcl::to_string(&block).unwrap();

        assert!(hcl.contains(r#"resource "aws_nat_gateway" "ngw-12345""#));
        assert!(hcl.contains(r#"subnet_id = aws_subnet.public_subnet.id"#));
        assert!(hcl.contains(r#"allocation_id = "eipalloc-12345""#));
        assert!(hcl.contains(r#"connectivity_type = "public""#));
        assert!(hcl.contains(r#"tags = {"#));
        assert!(hcl.contains(r#""Name" = "Main NAT Gateway""#));
        assert!(hcl.contains(r#""Environment" = "Production""#));
    }

    #[test]
    fn test_nat_gateway_data_source_to_hcl() {
        let data_source = NatGatewayDataSource {
            id: Some("ngw-12345".to_string()),
            subnet_id: Some("subnet-12345".to_string()),
            vpc_id: Some("vpc-12345".to_string()),
            state: Some("available".to_string()),
            tags: Some(HashMap::from([(
                "Name".to_string(),
                "Main NAT Gateway".to_string(),
            )])),
            filter: Some(vec![Filter {
                name: "vpc-id".to_string(),
                values: vec!["vpc-12345".to_string()],
            }]),
        };

        let block: Block = data_source.into();
        let hcl = hcl::to_string(&block).unwrap();

        assert!(hcl.contains(r#"data "aws_nat_gateway" "ngw-12345""#));
        assert!(hcl.contains(r#"id = "ngw-12345""#));
        assert!(hcl.contains(r#"subnet_id = "subnet-12345""#));
        assert!(hcl.contains(r#"vpc_id = "vpc-12345""#));
        assert!(hcl.contains(r#"state = "available""#));
        assert!(hcl.contains(r#"tags = {"#));
        assert!(hcl.contains(r#""Name" = "Main NAT Gateway""#));
        assert!(hcl.contains(r#"filter {"#));
        assert!(hcl.contains(r#"name = "vpc-id""#));
        assert!(hcl.contains(
            r#"values = [
      "vpc-12345"
    ]"#
        ));
    }
}