canic-core 0.26.12

Canic — a canister orchestration and management toolkit for the Internet Computer
Documentation 
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pub mod attestation;
pub mod auth;
pub mod cycles;
pub mod install;
pub mod intent;
pub mod log;
mod nonroot;
mod root;
pub mod timer;

use crate::{
    InternalError, InternalErrorOrigin,
    ops::runtime::{
        env::EnvOps,
        memory::{MemoryRegistryInitSummary, MemoryRegistryOps},
    },
    workflow::{self, prelude::*},
};

pub use nonroot::{
    init_nonroot_canister, init_nonroot_canister_with_attestation_cache,
    post_upgrade_nonroot_canister_after_memory_init,
    post_upgrade_nonroot_canister_after_memory_init_with_attestation_cache,
};
pub use root::{init_root_canister, post_upgrade_root_canister_after_memory_init};

///
/// RuntimeWorkflow
/// Coordinates periodic background services (timers) for Canic canisters.
///

pub struct RuntimeWorkflow;

impl RuntimeWorkflow {
    /// Start timers that should run on all non-root canisters.
    pub fn start_all() {
        workflow::runtime::log::LogRetentionWorkflow::start();
        workflow::runtime::cycles::CycleTrackerWorkflow::start();
    }

    /// Start timers that should run on delegated-auth-aware non-root canisters.
    pub fn start_all_with_attestation_cache() {
        auth::RuntimeAuthWorkflow::log_delegation_proof_cache_policy();
        workflow::runtime::attestation::AttestationKeyCacheWorkflow::start();
        Self::start_all();
    }

    /// Start timers that should run only on root canisters.
    pub fn start_all_root() -> Result<(), InternalError> {
        EnvOps::require_root().map_err(|err| {
            InternalError::invariant(
                InternalErrorOrigin::Workflow,
                format!("root context required: {err}"),
            )
        })?;

        // start shared timers too
        Self::start_all();

        // root-only services
        workflow::pool::scheduler::PoolSchedulerWorkflow::start();
        Ok(())
    }
}

pub(super) fn log_memory_summary(summary: &MemoryRegistryInitSummary) {
    for range in &summary.ranges {
        let used = summary
            .entries
            .iter()
            .filter(|entry| entry.id >= range.start && entry.id <= range.end)
            .count();

        crate::log!(
            Topic::Memory,
            Info,
            "💾 memory.range: {} [{}-{}] ({}/{} slots used)",
            range.crate_name,
            range.start,
            range.end,
            used,
            range.end - range.start + 1,
        );
    }
}

fn init_post_upgrade_memory_registry() -> Result<MemoryRegistryInitSummary, InternalError> {
    MemoryRegistryOps::bootstrap_registry().map_err(|err| {
        InternalError::invariant(
            InternalErrorOrigin::Workflow,
            format!("memory init failed: {err}"),
        )
    })
}

pub fn init_memory_registry_post_upgrade() -> Result<MemoryRegistryInitSummary, InternalError> {
    init_post_upgrade_memory_registry()
}