k8s-maestro 1.0.0

A Kubernetes job orchestrator tool library
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

use anyhow::Result;
use k8s_openapi::{
    api::core::v1::Secret, apimachinery::pkg::apis::meta::v1::ObjectMeta, ByteString,
};
use std::collections::BTreeMap;

/// Type-safe enum for Kubernetes secret types.
#[derive(Debug, Clone, PartialEq, Eq)]
pub enum SecretType {
    Opaque,
    ServiceAccountToken,
    Dockercfg,
    DockerConfigJson,
    BasicAuth,
    SshAuth,
    Tls,
    BootstrapToken,
}

impl std::fmt::Display for SecretType {
    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
        match self {
            SecretType::Opaque => write!(f, "Opaque"),
            SecretType::ServiceAccountToken => write!(f, "kubernetes.io/service-account-token"),
            SecretType::Dockercfg => write!(f, "kubernetes.io/dockercfg"),
            SecretType::DockerConfigJson => write!(f, "kubernetes.io/dockerconfigjson"),
            SecretType::BasicAuth => write!(f, "kubernetes.io/basic-auth"),
            SecretType::SshAuth => write!(f, "kubernetes.io/ssh-auth"),
            SecretType::Tls => write!(f, "kubernetes.io/tls"),
            SecretType::BootstrapToken => write!(f, "bootstrap.kubernetes.io/token"),
        }
    }
}

/// Builder for creating Kubernetes Secrets.
///
/// # Example
///
/// ```no_run
/// use k8s_maestro::entities::config::{SecretBuilder, SecretType};
///
/// let secret = SecretBuilder::new("my-secret")
///     .with_namespace("production")
///     .with_type(SecretType::Opaque)
///     .with_string_data("username", "admin")
///     .with_string_data("password", "secret123")
///     .build()
///     .unwrap();
/// ```
pub struct SecretBuilder {
    name: String,
    namespace: Option<String>,
    secret_type: SecretType,
    string_data: BTreeMap<String, String>,
    data: BTreeMap<String, Vec<u8>>,
    labels: Option<BTreeMap<String, String>>,
    annotations: Option<BTreeMap<String, String>>,
    immutable: Option<bool>,
}

impl SecretBuilder {
    pub fn new(name: impl Into<String>) -> Self {
        Self {
            name: name.into(),
            namespace: None,
            secret_type: SecretType::Opaque,
            string_data: BTreeMap::new(),
            data: BTreeMap::new(),
            labels: None,
            annotations: None,
            immutable: None,
        }
    }

    pub fn with_namespace(mut self, namespace: impl Into<String>) -> Self {
        self.namespace = Some(namespace.into());
        self
    }

    pub fn with_type(mut self, secret_type: SecretType) -> Self {
        self.secret_type = secret_type;
        self
    }

    pub fn with_string_data(mut self, key: impl Into<String>, value: impl Into<String>) -> Self {
        self.string_data.insert(key.into(), value.into());
        self
    }

    pub fn with_data(mut self, key: impl Into<String>, bytes: Vec<u8>) -> Self {
        self.data.insert(key.into(), bytes);
        self
    }

    pub fn with_labels(mut self, labels: BTreeMap<String, String>) -> Self {
        self.labels = Some(labels);
        self
    }

    pub fn with_annotations(mut self, annotations: BTreeMap<String, String>) -> Self {
        self.annotations = Some(annotations);
        self
    }

    pub fn with_immutable(mut self, immutable: bool) -> Self {
        self.immutable = Some(immutable);
        self
    }

    pub fn build(self) -> Result<Secret> {
        let metadata = ObjectMeta {
            name: Some(self.name),
            namespace: self.namespace,
            labels: self.labels,
            annotations: self.annotations,
            ..Default::default()
        };

        let data: Option<BTreeMap<String, ByteString>> = if self.data.is_empty() {
            None
        } else {
            Some(
                self.data
                    .into_iter()
                    .map(|(k, v)| (k, ByteString(v)))
                    .collect(),
            )
        };

        #[allow(clippy::needless_update)]
        Ok(Secret {
            metadata,
            type_: Some(self.secret_type.to_string()),
            string_data: if self.string_data.is_empty() {
                None
            } else {
                Some(self.string_data)
            },
            data,
            immutable: self.immutable,
            ..Default::default()
        })
    }
}