cloud_terrastodon_azure 0.35.1

Helpers for interacting with Azure for the Cloud Terrastodon project
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use cloud_terrastodon_azure_types::ComputeSku;
use cloud_terrastodon_azure_types::SubscriptionId;
use cloud_terrastodon_command::CacheKey;
use cloud_terrastodon_command::CacheableCommand;
use cloud_terrastodon_command::CommandBuilder;
use cloud_terrastodon_command::CommandKind;
use cloud_terrastodon_command::async_trait;
use serde::Deserialize;
use std::path::PathBuf;
use tracing::debug;

pub struct ComputeSkuListRequest {
    pub subscription_id: SubscriptionId,
}

pub fn fetch_all_compute_skus(subscription_id: SubscriptionId) -> ComputeSkuListRequest {
    ComputeSkuListRequest { subscription_id }
}

#[async_trait]
impl CacheableCommand for ComputeSkuListRequest {
    type Output = Vec<ComputeSku>;

    fn cache_key(&self) -> CacheKey {
        CacheKey::new(PathBuf::from_iter([
            "az",
            "vm",
            "list-skus",
            self.subscription_id.to_string().as_ref(),
        ]))
    }

    async fn run(self) -> eyre::Result<Self::Output> {
        debug!(
            "Fetching all VM SKUs for subscription {}",
            self.subscription_id
        );
        let url = format!(
            "https://management.azure.com/subscriptions/{}/providers/Microsoft.Compute/skus?api-version=2019-04-01",
            self.subscription_id
        );
        let mut cmd = CommandBuilder::new(CommandKind::CloudTerrastodon);
        cmd.args(["rest", "--method", "GET", "--url", &url]);
        cmd.cache(CacheKey::new(PathBuf::from_iter(["az", "vm", "list-skus"])));
        #[derive(Deserialize)]
        #[serde(deny_unknown_fields)]
        struct Response {
            value: Vec<ComputeSku>,
        }
        let rtn = cmd.run::<Response>().await?.value;
        debug!(
            "Found {} VM SKUs for subscription {}",
            rtn.len(),
            self.subscription_id
        );
        Ok(rtn)
    }
}

cloud_terrastodon_command::impl_cacheable_into_future!(ComputeSkuListRequest);

#[cfg(test)]
mod test {
    use crate::fetch_all_compute_skus;
    use crate::fetch_all_subscriptions;
    use crate::get_test_tenant_id;
    use cloud_terrastodon_azure_types::AzureLocationName;
    use cloud_terrastodon_azure_types::ComputeSkuResourceType;

    #[tokio::test]
    #[ignore] // this endpoint takes forever
    pub async fn it_works() -> eyre::Result<()> {
        let tenant_id = get_test_tenant_id().await?;
        let subs = fetch_all_subscriptions(tenant_id).await?;
        let sub = subs.first().unwrap();
        let vm_skus = fetch_all_compute_skus(sub.id).await?;
        let canada_vm_skus = vm_skus
            .iter()
            .filter(|s| s.locations.iter().any(AzureLocationName::is_canada))
            .collect::<Vec<_>>();
        let vm_skus_in_canada = canada_vm_skus
            .into_iter()
            .filter(|sku| sku.resource_type == ComputeSkuResourceType::VirtualMachines)
            .count();
        assert!(vm_skus_in_canada > 0);
        Ok(())
    }
}