feat(core, store): load raw subgraph manifests from store

Author: isum

Cargo.lock

@@ -1,5 +1,6 @@
+mod subgraph_manifest;
+
 pub mod amp_subgraph;
 pub mod polling_monitor;
-
 pub mod subgraph;
 pub mod subgraph_provider;

core/src/lib.rs

@@ -12,7 +12,6 @@ use crate::subgraph::runner::SubgraphRunner;
 use graph::amp;
 use graph::blockchain::block_stream::{BlockStreamMetrics, TriggersAdapterWrapper};
 use graph::blockchain::{Blockchain, BlockchainKind, DataSource, NodeCapabilities};
-use graph::components::link_resolver::LinkResolverContext;
 use graph::components::metrics::gas::GasMetrics;
 use graph::components::metrics::subgraph::DeploymentStatusMetric;
 use graph::components::store::SourceableStore;
@@ -29,7 +28,7 @@ use tokio::task;
 
 use super::context::OffchainMonitor;
 use super::SubgraphTriggerProcessor;
-use crate::subgraph::runner::SubgraphRunnerError;
+use crate::{subgraph::runner::SubgraphRunnerError, subgraph_manifest};
 
 #[derive(Clone)]
 pub struct SubgraphInstanceManager<S: SubgraphStore, AC> {
@@ -83,30 +82,22 @@ where
             let deployment_status_metric = deployment_status_metric.clone();
 
             async move {
-                let link_resolver = self
-                    .link_resolver
-                    .for_manifest(&loc.hash.to_string())
-                    .map_err(SubgraphAssignmentProviderError::ResolveError)?;
-
-                let file_bytes = link_resolver
-                    .cat(
-                        &LinkResolverContext::new(&loc.hash, &logger),
-                        &loc.hash.to_ipfs_link(),
-                    )
-                    .await
-                    .map_err(SubgraphAssignmentProviderError::ResolveError)?;
-
-                let manifest: serde_yaml::Mapping = serde_yaml::from_slice(&file_bytes)
-                    .map_err(|e| SubgraphAssignmentProviderError::ResolveError(e.into()))?;
-
-                match BlockchainKind::from_manifest(&manifest)? {
+                let raw_manifest = subgraph_manifest::load_raw_subgraph_manifest(
+                    &logger,
+                    &*instance_manager.subgraph_store,
+                    &*instance_manager.link_resolver,
+                    &loc.hash,
+                )
+                .await?;
+
+                match BlockchainKind::from_manifest(&raw_manifest)? {
                     BlockchainKind::Ethereum => {
                         let runner = instance_manager
                             .build_subgraph_runner::<graph_chain_ethereum::Chain>(
                                 logger.clone(),
                                 self.env_vars.cheap_clone(),
                                 loc.clone(),
-                                manifest,
+                                raw_manifest,
                                 stop_block,
                                 Box::new(SubgraphTriggerProcessor {}),
                                 deployment_status_metric,
@@ -121,7 +112,7 @@ where
                                 logger.clone(),
                                 self.env_vars.cheap_clone(),
                                 loc.clone(),
-                                manifest,
+                                raw_manifest,
                                 stop_block,
                                 Box::new(SubgraphTriggerProcessor {}),
                                 deployment_status_metric,
@@ -136,7 +127,7 @@ where
                                 logger.clone(),
                                 self.env_vars.cheap_clone(),
                                 loc.cheap_clone(),
-                                manifest,
+                                raw_manifest,
                                 stop_block,
                                 Box::new(graph_chain_substreams::TriggerProcessor::new(
                                     loc.clone(),
@@ -251,7 +242,7 @@ impl<S: SubgraphStore, AC: amp::Client> SubgraphInstanceManager<S, AC> {
         logger: Logger,
         env_vars: Arc<EnvVars>,
         deployment: DeploymentLocator,
-        manifest: serde_yaml::Mapping,
+        raw_manifest: serde_yaml::Mapping,
         stop_block: Option<BlockNumber>,
         tp: Box<dyn TriggerProcessor<C, RuntimeHostBuilder<C>>>,
         deployment_status_metric: DeploymentStatusMetric,
@@ -264,7 +255,7 @@ impl<S: SubgraphStore, AC: amp::Client> SubgraphInstanceManager<S, AC> {
             logger,
             env_vars,
             deployment,
-            manifest,
+            raw_manifest,
             stop_block,
             tp,
             deployment_status_metric,
@@ -278,7 +269,7 @@ impl<S: SubgraphStore, AC: amp::Client> SubgraphInstanceManager<S, AC> {
         logger: Logger,
         env_vars: Arc<EnvVars>,
         deployment: DeploymentLocator,
-        manifest: serde_yaml::Mapping,
+        raw_manifest: serde_yaml::Mapping,
         stop_block: Option<BlockNumber>,
         tp: Box<dyn TriggerProcessor<C, RuntimeHostBuilder<C>>>,
         deployment_status_metric: DeploymentStatusMetric,
@@ -291,8 +282,8 @@ impl<S: SubgraphStore, AC: amp::Client> SubgraphInstanceManager<S, AC> {
         let subgraph_store = self.subgraph_store.cheap_clone();
         let registry = self.metrics_registry.cheap_clone();
 
-        let raw_yaml = serde_yaml::to_string(&manifest).unwrap();
-        let manifest = UnresolvedSubgraphManifest::parse(deployment.hash.cheap_clone(), manifest)?;
+        let manifest =
+            UnresolvedSubgraphManifest::parse(deployment.hash.cheap_clone(), raw_manifest)?;
 
         // Allow for infinite retries for subgraph definition files.
         let link_resolver = Arc::from(
@@ -302,24 +293,16 @@ impl<S: SubgraphStore, AC: amp::Client> SubgraphInstanceManager<S, AC> {
                 .with_retries(),
         );
 
-        // Make sure the `raw_yaml` is present on both this subgraph and the graft base.
-        self.subgraph_store
-            .set_manifest_raw_yaml(&deployment.hash, raw_yaml)
-            .await?;
         if let Some(graft) = &manifest.graft {
             if self.subgraph_store.is_deployed(&graft.base)? {
-                let file_bytes = self
-                    .link_resolver
-                    .cat(
-                        &LinkResolverContext::new(&deployment.hash, &logger),
-                        &graft.base.to_ipfs_link(),
-                    )
-                    .await?;
-                let yaml = String::from_utf8(file_bytes)?;
-
-                self.subgraph_store
-                    .set_manifest_raw_yaml(&graft.base, yaml)
-                    .await?;
+                // Makes sure the raw manifest is cached in the subgraph store
+                let _raw_manifest = subgraph_manifest::load_raw_subgraph_manifest(
+                    &logger,
+                    &*self.subgraph_store,
+                    &*self.link_resolver,
+                    &graft.base,
+                )
+                .await?;
             }
         }
 

core/src/subgraph/instance_manager.rs

@@ -0,0 +1,93 @@
+use graph::{
+    cheap_clone::CheapClone as _,
+    components::{
+        link_resolver::{LinkResolver, LinkResolverContext},
+        store::{StoreError, SubgraphStore},
+    },
+    data::subgraph::DeploymentHash,
+};
+use slog::{debug, Logger};
+
+pub(super) async fn load_raw_subgraph_manifest(
+    logger: &Logger,
+    subgraph_store: &dyn SubgraphStore,
+    link_resolver: &dyn LinkResolver,
+    hash: &DeploymentHash,
+) -> Result<serde_yaml::Mapping, Error> {
+    if let Some(raw_manifest) =
+        subgraph_store
+            .raw_manifest(hash)
+            .await
+            .map_err(|e| Error::LoadManifest {
+                hash: hash.cheap_clone(),
+                source: anyhow::Error::from(e),
+            })?
+    {
+        debug!(logger, "Loaded raw manifest from the subgraph store");
+        return Ok(raw_manifest);
+    }
+
+    debug!(logger, "Loading raw manifest using link resolver");
+
+    let link_resolver =
+        link_resolver
+            .for_manifest(&hash.to_string())
+            .map_err(|e| Error::CreateLinkResolver {
+                hash: hash.cheap_clone(),
+                source: e,
+            })?;
+
+    let file_bytes = link_resolver
+        .cat(
+            &LinkResolverContext::new(hash, logger),
+            &hash.to_ipfs_link(),
+        )
+        .await
+        .map_err(|e| Error::LoadManifest {
+            hash: hash.cheap_clone(),
+            source: e,
+        })?;
+
+    let raw_manifest: serde_yaml::Mapping =
+        serde_yaml::from_slice(&file_bytes).map_err(|e| Error::ParseManifest {
+            hash: hash.cheap_clone(),
+            source: e,
+        })?;
+
+    subgraph_store
+        .set_raw_manifest_once(hash, &raw_manifest)
+        .await
+        .map_err(|e| Error::StoreManifest {
+            hash: hash.cheap_clone(),
+            source: e,
+        })?;
+
+    Ok(raw_manifest)
+}
+
+#[derive(Debug, thiserror::Error)]
+pub(super) enum Error {
+    #[error("failed to create link resolver for '{hash}': {source:#}")]
+    CreateLinkResolver {
+        hash: DeploymentHash,
+        source: anyhow::Error,
+    },
+
+    #[error("failed to load manifest for '{hash}': {source:#}")]
+    LoadManifest {
+        hash: DeploymentHash,
+        source: anyhow::Error,
+    },
+
+    #[error("failed to parse manifest for '{hash}': {source:#}")]
+    ParseManifest {
+        hash: DeploymentHash,
+        source: serde_yaml::Error,
+    },
+
+    #[error("failed to store manifest for '{hash}': {source:#}")]
+    StoreManifest {
+        hash: DeploymentHash,
+        source: StoreError,
+    },
+}

core/src/subgraph_manifest.rs

@@ -4,9 +4,9 @@ use graph::{
     amp,
     cheap_clone::CheapClone as _,
     components::{
-        link_resolver::{LinkResolver, LinkResolverContext},
+        link_resolver::LinkResolver,
         metrics::subgraph::SubgraphCountMetric,
-        store::DeploymentLocator,
+        store::{DeploymentLocator, SubgraphStore},
         subgraph::SubgraphInstanceManager,
     },
     log::factory::LoggerFactory,
@@ -16,6 +16,8 @@ use parking_lot::RwLock;
 use slog::{debug, error};
 use tokio_util::sync::CancellationToken;
 
+use super::subgraph_manifest;
+
 /// Starts and stops subgraph deployments.
 ///
 /// For each subgraph deployment, checks the subgraph processing kind
@@ -27,6 +29,7 @@ use tokio_util::sync::CancellationToken;
 pub struct SubgraphProvider {
     logger_factory: LoggerFactory,
     count_metrics: Arc<SubgraphCountMetric>,
+    subgraph_store: Arc<dyn SubgraphStore>,
     link_resolver: Arc<dyn LinkResolver>,
 
     /// Stops active subgraph start request tasks.
@@ -54,12 +57,14 @@ impl SubgraphProvider {
     /// # Arguments
     /// - `logger_factory`: Creates loggers for each subgraph deployment start/stop request
     /// - `count_metrics`: Tracks the number of started subgraph deployments
+    /// - `subgraph_store`: Loads subgraph manifests to determine the subgraph processing kinds
     /// - `link_resolver`: Loads subgraph manifests to determine the subgraph processing kinds
     /// - `cancel_token`: Stops active subgraph start request tasks
     /// - `instance_managers`: Contains the enabled subgraph instance managers
     pub fn new(
         logger_factory: &LoggerFactory,
         count_metrics: Arc<SubgraphCountMetric>,
+        subgraph_store: Arc<dyn SubgraphStore>,
         link_resolver: Arc<dyn LinkResolver>,
         cancel_token: CancellationToken,
         instance_managers: SubgraphInstanceManagers,
@@ -74,6 +79,7 @@ impl SubgraphProvider {
         Self {
             logger_factory,
             count_metrics,
+            subgraph_store,
             link_resolver,
             cancel_token,
             instance_managers,
@@ -94,30 +100,17 @@ impl SubgraphProvider {
     ) -> Result<(), Error> {
         let logger = self.logger_factory.subgraph_logger(&loc);
 
-        let link_resolver = self
-            .link_resolver
-            .for_manifest(&loc.hash.to_string())
-            .map_err(|e| Error::CreateLinkResolver {
-                loc: loc.cheap_clone(),
-                source: e,
-            })?;
-
-        let file_bytes = link_resolver
-            .cat(
-                &LinkResolverContext::new(&loc.hash, &logger),
-                &loc.hash.to_ipfs_link(),
-            )
-            .await
-            .map_err(|e| Error::LoadManifest {
-                loc: loc.cheap_clone(),
-                source: e,
-            })?;
-
-        let raw_manifest: serde_yaml::Mapping =
-            serde_yaml::from_slice(&file_bytes).map_err(|e| Error::ParseManifest {
-                loc: loc.cheap_clone(),
-                source: e,
-            })?;
+        let raw_manifest = subgraph_manifest::load_raw_subgraph_manifest(
+            &logger,
+            &*self.subgraph_store,
+            &*self.link_resolver,
+            &loc.hash,
+        )
+        .await
+        .map_err(|e| Error::LoadManifest {
+            loc: loc.cheap_clone(),
+            source: e,
+        })?;
 
         let subgraph_kind = SubgraphProcessingKind::from_manifest(&raw_manifest);
         self.assignments.set_subgraph_kind(&loc, subgraph_kind);
@@ -220,22 +213,10 @@ impl SubgraphInstanceManager for SubgraphProvider {
 /// Enumerates all possible errors of the subgraph provider.
 #[derive(Debug, thiserror::Error)]
 enum Error {
-    #[error("failed to create link resolver for '{loc}': {source:#}")]
-    CreateLinkResolver {
-        loc: DeploymentLocator,
-        source: anyhow::Error,
-    },
-
     #[error("failed to load manifest for '{loc}': {source:#}")]
     LoadManifest {
         loc: DeploymentLocator,
-        source: anyhow::Error,
-    },
-
-    #[error("failed to parse manifest for '{loc}': {source:#}")]
-    ParseManifest {
-        loc: DeploymentLocator,
-        source: serde_yaml::Error,
+        source: subgraph_manifest::Error,
     },
 
     #[error("failed to get instance manager for '{loc}' with kind '{subgraph_kind}'")]