Initialize project with basic endpoints.
This commit is contained in:
Ben Binder
27
.drone.yml
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27
.drone.yml
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kind: pipeline
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type: docker
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name: deploy-harbormaster
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trigger:
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event:
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- manual
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steps:
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- name: build-and-push
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image: docker:latest
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environment:
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REGISTRY: registry.binderlab.io:8000
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IMAGE_NAME: registry.binderlab.io:8000/harbormaster
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commands:
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- docker login -u "$DOCKER_USERNAME" -p "$DOCKER_PASSWORD" $REGISTRY
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- docker build -t $IMAGE_NAME:latest .
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- docker push $IMAGE_NAME:latest
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- name: deploy
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image: alpine
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commands:
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- echo "Deploying new version..."
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- docker pull registry.binderlab.io/harbormaster:latest
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- docker stop harbormaster || true
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- docker rm harbormaster || true
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- docker run -d --name harbormaster -p 8080:8080 registry.binderlab.io/harbormaster:latest
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32
Dockerfile
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32
Dockerfile
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# Use a small Go base image
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FROM golang:1.22 as builder
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# Set working directory
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WORKDIR /app
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# Copy go mod and sum files
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COPY go.mod go.sum ./
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# Download dependencies
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RUN go mod download
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# Copy the rest of the application
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COPY . .
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# Build the application
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RUN go build -o your-app-name .
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# Use a small base image for the final container
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FROM alpine:latest
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# Set working directory
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WORKDIR /root/
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# Copy the compiled binary from the builder stage
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COPY --from=builder /app/your-app-name .
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# Expose the port the app runs on
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EXPOSE 8080
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# Run the binary
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CMD ["./your-app-name"]
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16
go.mod
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16
go.mod
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module harbormaster
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go 1.24.0
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require github.com/shirou/gopsutil/v3 v3.24.5
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require (
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github.com/go-ole/go-ole v1.3.0 // indirect
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github.com/lufia/plan9stats v0.0.0-20240909124753-873cd0166683 // indirect
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github.com/power-devops/perfstat v0.0.0-20240221224432-82ca36839d55 // indirect
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github.com/shoenig/go-m1cpu v0.1.6 // indirect
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github.com/tklauser/go-sysconf v0.3.14 // indirect
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github.com/tklauser/numcpus v0.9.0 // indirect
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github.com/yusufpapurcu/wmi v1.2.4 // indirect
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golang.org/x/sys v0.30.0 // indirect
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)
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38
go.sum
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38
go.sum
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github.com/go-ole/go-ole v1.2.6 h1:/Fpf6oFPoeFik9ty7siob0G6Ke8QvQEuVcuChpwXzpY=
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github.com/go-ole/go-ole v1.2.6/go.mod h1:pprOEPIfldk/42T2oK7lQ4v4JSDwmV0As9GaiUsvbm0=
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github.com/go-ole/go-ole v1.3.0 h1:Dt6ye7+vXGIKZ7Xtk4s6/xVdGDQynvom7xCFEdWr6uE=
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github.com/go-ole/go-ole v1.3.0/go.mod h1:5LS6F96DhAwUc7C+1HLexzMXY1xGRSryjyPPKW6zv78=
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github.com/google/go-cmp v0.5.6/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
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github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
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github.com/lufia/plan9stats v0.0.0-20211012122336-39d0f177ccd0 h1:6E+4a0GO5zZEnZ81pIr0yLvtUWk2if982qA3F3QD6H4=
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github.com/lufia/plan9stats v0.0.0-20211012122336-39d0f177ccd0/go.mod h1:zJYVVT2jmtg6P3p1VtQj7WsuWi/y4VnjVBn7F8KPB3I=
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github.com/lufia/plan9stats v0.0.0-20240909124753-873cd0166683 h1:7UMa6KCCMjZEMDtTVdcGu0B1GmmC7QJKiCCjyTAWQy0=
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github.com/lufia/plan9stats v0.0.0-20240909124753-873cd0166683/go.mod h1:ilwx/Dta8jXAgpFYFvSWEMwxmbWXyiUHkd5FwyKhb5k=
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github.com/power-devops/perfstat v0.0.0-20210106213030-5aafc221ea8c h1:ncq/mPwQF4JjgDlrVEn3C11VoGHZN7m8qihwgMEtzYw=
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github.com/power-devops/perfstat v0.0.0-20210106213030-5aafc221ea8c/go.mod h1:OmDBASR4679mdNQnz2pUhc2G8CO2JrUAVFDRBDP/hJE=
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github.com/power-devops/perfstat v0.0.0-20240221224432-82ca36839d55 h1:o4JXh1EVt9k/+g42oCprj/FisM4qX9L3sZB3upGN2ZU=
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github.com/power-devops/perfstat v0.0.0-20240221224432-82ca36839d55/go.mod h1:OmDBASR4679mdNQnz2pUhc2G8CO2JrUAVFDRBDP/hJE=
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github.com/shirou/gopsutil/v3 v3.24.5 h1:i0t8kL+kQTvpAYToeuiVk3TgDeKOFioZO3Ztz/iZ9pI=
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github.com/shirou/gopsutil/v3 v3.24.5/go.mod h1:bsoOS1aStSs9ErQ1WWfxllSeS1K5D+U30r2NfcubMVk=
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github.com/shoenig/go-m1cpu v0.1.6 h1:nxdKQNcEB6vzgA2E2bvzKIYRuNj7XNJ4S/aRSwKzFtM=
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github.com/shoenig/go-m1cpu v0.1.6/go.mod h1:1JJMcUBvfNwpq05QDQVAnx3gUHr9IYF7GNg9SUEw2VQ=
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github.com/tklauser/go-sysconf v0.3.12 h1:0QaGUFOdQaIVdPgfITYzaTegZvdCjmYO52cSFAEVmqU=
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github.com/tklauser/go-sysconf v0.3.12/go.mod h1:Ho14jnntGE1fpdOqQEEaiKRpvIavV0hSfmBq8nJbHYI=
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github.com/tklauser/go-sysconf v0.3.14 h1:g5vzr9iPFFz24v2KZXs/pvpvh8/V9Fw6vQK5ZZb78yU=
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github.com/tklauser/go-sysconf v0.3.14/go.mod h1:1ym4lWMLUOhuBOPGtRcJm7tEGX4SCYNEEEtghGG/8uY=
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github.com/tklauser/numcpus v0.6.1 h1:ng9scYS7az0Bk4OZLvrNXNSAO2Pxr1XXRAPyjhIx+Fk=
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github.com/tklauser/numcpus v0.6.1/go.mod h1:1XfjsgE2zo8GVw7POkMbHENHzVg3GzmoZ9fESEdAacY=
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github.com/tklauser/numcpus v0.9.0 h1:lmyCHtANi8aRUgkckBgoDk1nHCux3n2cgkJLXdQGPDo=
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github.com/tklauser/numcpus v0.9.0/go.mod h1:SN6Nq1O3VychhC1npsWostA+oW+VOQTxZrS604NSRyI=
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github.com/yusufpapurcu/wmi v1.2.4 h1:zFUKzehAFReQwLys1b/iSMl+JQGSCSjtVqQn9bBrPo0=
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github.com/yusufpapurcu/wmi v1.2.4/go.mod h1:SBZ9tNy3G9/m5Oi98Zks0QjeHVDvuK0qfxQmPyzfmi0=
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golang.org/x/sys v0.0.0-20190916202348-b4ddaad3f8a3/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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golang.org/x/sys v0.0.0-20201204225414-ed752295db88/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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golang.org/x/sys v0.1.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
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golang.org/x/sys v0.8.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
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golang.org/x/sys v0.11.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
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golang.org/x/sys v0.20.0 h1:Od9JTbYCk261bKm4M/mw7AklTlFYIa0bIp9BgSm1S8Y=
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golang.org/x/sys v0.20.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
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golang.org/x/sys v0.30.0 h1:QjkSwP/36a20jFYWkSue1YwXzLmsV5Gfq7Eiy72C1uc=
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golang.org/x/sys v0.30.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
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golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
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58
main.go
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58
main.go
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package main
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import (
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"encoding/json"
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"net/http"
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"runtime"
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"github.com/shirou/gopsutil/v3/cpu"
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"github.com/shirou/gopsutil/v3/disk"
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"github.com/shirou/gopsutil/v3/mem"
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)
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func main() {
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http.HandleFunc("/health", func(w http.ResponseWriter, r *http.Request) {
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w.Header().Set("Content-Type", "application/json")
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json.NewEncoder(w).Encode(map[string]interface{}{
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"summary": map[string]interface{}{
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// get the health of the cpu, memory and disk
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},
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})
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})
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http.HandleFunc("/health/cpu", func(w http.ResponseWriter, r *http.Request) {
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percent, _ := cpu.Percent(0, false)
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w.Header().Set("Content-Type", "application/json")
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json.NewEncoder(w).Encode(map[string]interface{}{
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"go_os": runtime.GOOS,
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"num_cpu": runtime.NumCPU(),
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"cpu_usage": percent[0],
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})
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})
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http.HandleFunc("/health/memory", func(w http.ResponseWriter, r *http.Request) {
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v, _ := mem.VirtualMemory()
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w.Header().Set("Content-Type", "application/json")
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json.NewEncoder(w).Encode(map[string]interface{}{
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"total": v.Total,
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"free": v.Available,
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"used": v.Used,
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"used_percent": v.UsedPercent,
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})
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})
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http.HandleFunc("/health/disk", func(w http.ResponseWriter, r *http.Request) {
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d, _ := disk.Usage("/")
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w.Header().Set("Content-Type", "application/json")
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json.NewEncoder(w).Encode(map[string]interface{}{
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"total": d.Total,
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"used": d.Used,
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"free": d.Free,
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"percent": d.UsedPercent,
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})
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})
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http.ListenAndServe(":8080", nil)
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}
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