Jean-Gabriel Gill-Couture
440e684b35
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81 lines
2.4 KiB
Rust
81 lines
2.4 KiB
Rust
use serde::Serialize;
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use crate::interpret::Interpret;
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use crate::modules::k8s::resource::K8sResourceScore;
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use crate::modules::postgresql::capability::PostgreSQLConfig;
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use crate::modules::postgresql::cnpg::{Bootstrap, Cluster, ClusterSpec, Initdb, Storage};
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use crate::score::Score;
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use crate::topology::{K8sclient, Topology};
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use k8s_openapi::apimachinery::pkg::apis::meta::v1::ObjectMeta;
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/// Deploys an opinionated, highly available PostgreSQL cluster managed by CNPG.
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///
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/// # Usage
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/// ```
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/// use harmony::modules::postgresql::PostgreSQLScore;
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/// let score = PostgreSQLScore::new("my-app-ns");
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/// ```
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///
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/// # Limitations (Happy Path)
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/// - Requires CNPG operator installed (use CloudNativePgOperatorScore).
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/// - No backups, monitoring, extensions configured.
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///
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/// TODO : refactor this to declare a clean dependency on cnpg operator. Then cnpg operator will
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/// self-deploy either using operatorhub or helm chart depending on k8s flavor. This is cnpg
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/// specific behavior
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#[derive(Debug, Clone, Serialize)]
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pub struct K8sPostgreSQLScore {
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pub config: PostgreSQLConfig,
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}
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impl Default for K8sPostgreSQLScore {
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fn default() -> Self {
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Self {
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config: PostgreSQLConfig::default(),
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}
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}
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}
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impl K8sPostgreSQLScore {
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pub fn new(namespace: &str) -> Self {
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Self {
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config: PostgreSQLConfig {
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namespace: namespace.to_string(),
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..Default::default()
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},
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}
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}
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}
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impl<T: Topology + K8sclient> Score<T> for K8sPostgreSQLScore {
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fn create_interpret(&self) -> Box<dyn Interpret<T>> {
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let metadata = ObjectMeta {
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name: Some(self.config.cluster_name.clone()),
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namespace: Some(self.config.namespace.clone()),
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..ObjectMeta::default()
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};
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let spec = ClusterSpec {
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instances: self.config.instances,
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storage: Storage {
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size: self.config.storage_size.to_string(),
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},
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bootstrap: Bootstrap {
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initdb: Initdb {
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database: "app".to_string(),
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owner: "app".to_string(),
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},
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},
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..ClusterSpec::default()
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};
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let cluster = Cluster { metadata, spec };
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K8sResourceScore::single(cluster, Some(self.config.namespace.clone())).create_interpret()
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}
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fn name(&self) -> String {
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format!("PostgreSQLScore({})", self.config.namespace)
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}
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}
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