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tensorchord / envd / 13719232201

07 Mar 2025 10:57AM UTC coverage: 42.211%. First build
13719232201

Pull #1990

github

kemingy
fix ci

Signed-off-by: Keming <kemingyang@tensorchord.ai>
Pull Request #1990: feat: support uv

44 of 52 new or added lines in 6 files covered. (84.62%)

5075 of 12023 relevant lines covered (42.21%)

159.64 hits per line

Source File
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0.0
/pkg/metrics/docker_collector.go
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// Copyright 2023 The envd Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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//      http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package metrics
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import (
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        "context"
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        "github.com/sirupsen/logrus"
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        "github.com/tensorchord/envd/pkg/driver"
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)
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type dockerCollector struct {
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        Metrics
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        client        driver.Client
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        running       bool
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        metricsStream chan Metrics
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        done          chan bool
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        lastCpu       float64
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        lastSysCpu    float64
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}
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func NewDockerCollector(client driver.Client) Collector {
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        return &dockerCollector{
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                client: client,
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        }
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}
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func (c *dockerCollector) Stop() error {
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        c.done <- true
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        return nil
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}
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func (c *dockerCollector) Watch(ctx context.Context, cid string) chan Metrics {
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        if c.running {
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                return c.metricsStream
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        }
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        c.metricsStream = make(chan Metrics)
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        c.running = true
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        c.done = make(chan bool)
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        stats := make(chan *driver.Stats)
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        go func() {
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                defer close(stats)
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                err := c.client.Stats(ctx, cid, stats, c.done)
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                if err != nil {
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                        logrus.WithField("cid", cid).
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                                WithError(err).Error("error occurred in dockerCollector.Watch")
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                }
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                c.running = false
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        }()
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        go func() {
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                defer close(c.metricsStream)
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                for s := range stats {
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                        c.ReadCPU(s)
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                        c.ReadMem(s)
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                        c.ReadNet(s)
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                        c.ReadIO(s)
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                        c.metricsStream <- c.Metrics
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                }
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        }()
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        return c.metricsStream
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}
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func (c *dockerCollector) ReadCPU(stats *driver.Stats) {
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        ncpus := uint8(stats.CPUStats.OnlineCPUs)
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        if ncpus == 0 {
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                ncpus = uint8(len(stats.CPUStats.CPUUsage.PercpuUsage))
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        }
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        total := float64(stats.CPUStats.CPUUsage.TotalUsage)
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        system := float64(stats.CPUStats.SystemCPUUsage)
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        cpudiff := total - c.lastCpu
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        syscpudiff := system - c.lastSysCpu
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        c.NCpus = ncpus
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        c.CPUUtil = percent(cpudiff, syscpudiff)
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        c.lastCpu = total
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        c.lastSysCpu = system
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        c.Pids = int(stats.PidsStats.Current)
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}
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func (c *dockerCollector) ReadMem(stats *driver.Stats) {
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        c.MemUsage = int64(stats.MemoryStats.Usage - stats.MemoryStats.Stats.Cache)
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        c.MemLimit = int64(stats.MemoryStats.Limit)
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        c.MemPercent = percent(float64(c.MemUsage), float64(c.MemLimit))
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}
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func (c *dockerCollector) ReadNet(stats *driver.Stats) {
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        var rx, tx int64
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        for _, network := range stats.Networks {
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                rx += int64(network.RxBytes)
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                tx += int64(network.TxBytes)
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        }
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        c.NetRx, c.NetTx = rx, tx
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}
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func (c *dockerCollector) ReadIO(stats *driver.Stats) {
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        var read, write int64
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        for _, blk := range stats.BlkioStats.IOServiceBytesRecursive {
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                if blk.Op == "Read" {
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                        read += int64(blk.Value)
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                }
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                if blk.Op == "Write" {
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                        write += int64(blk.Value)
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                }
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        }
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        c.IOBytesRead, c.IOBytesWrite = read, write
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}
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