Add containerd container_fs_usage_bytes metrics #3730
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* Add CRI stats API integration for containerd filesystem usage - Enable filesystem stats collection using CRI ContainerStats API - Replace inefficient directory walking with proper CRI stats calls - Add memory-efficient caching (30s) to minimize API overhead - Support containerd 2.x with k8s.io/cri-api dependency - Only collect stats for regular containers (exclude sandbox containers) - Maintain backward compatibility and existing design patterns * Fix Docker build: ensure dependencies are resolved after adding source code - Add go mod download && go mod tidy step after ADD . . - This ensures k8s.io/cri-api dependency is properly resolved in Docker build context * Add explicit k8s.io/cri-api dependency in Dockerfile - Explicitly get k8s.io/cri-api@v0.29.0 before build step - This ensures the dependency is available in Docker build context * Add k8s.io/cri-api dependency to cmd module - Add k8s.io/cri-api v0.29.0 to cmd/go.mod - Run go mod tidy to update cmd/go.sum - This fixes Docker build module resolution for CRI stats API * Remove unwanted Dockerfile module download * Update k8s.io/cri-api to v0.34.1 - Upgrade from v0.29.0 to v0.34.1 for latest CRI API features - Update both root and cmd module dependencies - Run go mod tidy to update checksums * Fix tests * Update collectFilesystemUsage function --------- Co-authored-by: nenych <mykhailo.nenych@aspira.global>
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Use the CRI stats api to gather the containerd disk usage metrics