commit 56f168efb7b627ac116edbdcbaaa68821644a988 Author: Colin Date: Tue Jun 11 09:44:29 2024 -0400 oculus diff --git a/build.sh b/build.sh new file mode 100755 index 0000000..d19659e --- /dev/null +++ b/build.sh @@ -0,0 +1,70 @@ +#!/bin/bash + +# Default architecture +DEFAULT_ARCH="linux/amd64" + +# Supported architectures (adjust as needed) +ARCHITECTURES=("linux/amd64" "linux/arm64" "linux/arm/v7" "darwin/amd64" "darwin/arm64") + +# Ensure all necessary directories exist and go modules are ready +prepare_build() { + # Create necessary directories if they don't exist + mkdir -p dist + mkdir -p build_logs + + # Initialize go modules if go.mod does not exist + if [ ! -f go.mod ]; then + echo "Initializing Go modules" + go mod init yourmodule # Replace 'yourmodule' with your actual module name or path + fi + + # Fetch and ensure all dependencies are up to date + echo "Checking dependencies..." + go mod tidy +} + +# Build function +build_binary() { + os=$1 + arch=$2 + output_name="oculus" + + if [[ "$os/$arch" != "$DEFAULT_ARCH" ]]; then + output_name="${output_name}_${os}_${arch}" + fi + + output_name="dist/${output_name}" + + # Dynamic Linking + echo "Building dynamically linked for ${os}/${arch} -> ${output_name}" + GOOS=${os} GOARCH=${arch} go build -o ${output_name} main.go 2>build_logs/${os}_${arch}_build.log + if [ $? -eq 0 ]; then + echo "Successfully built ${output_name}" + else + echo "Failed to build ${output_name}. Check build_logs/${os}_${arch}_build.log for errors." + fi + + # Static Linking + if [[ "$os" == "linux" ]]; then # Typically, static linking is most relevant for Linux environments + static_output_name="${output_name}_static" + echo "Building statically linked for ${os}/${arch} -> ${static_output_name}" + CGO_ENABLED=0 GOOS=${os} GOARCH=${arch} go build -a -ldflags '-extldflags "-static"' -o ${static_output_name} main.go 2>build_logs/${os}_${arch}_static_build.log + if [ $? -eq 0 ]; then + echo "Successfully built ${static_output_name}" + else + echo "Failed to build ${static_output_name}. Check build_logs/${os}_${arch}_static_build.log for errors." + fi + fi +} + +# Main Build Process +prepare_build +for arch in "${ARCHITECTURES[@]}"; do + IFS='/' read -r -a parts <<< "$arch" # Split architecture string + os=${parts[0]} + arch=${parts[1]} + build_binary $os $arch +done + +echo "Build process completed." + diff --git a/build_logs/darwin_amd64_build.log b/build_logs/darwin_amd64_build.log new file mode 100644 index 0000000..8f7ba50 --- /dev/null +++ b/build_logs/darwin_amd64_build.log @@ -0,0 +1,6 @@ +# command-line-arguments +./main.go:9:5: "os" imported and not used +./main.go:11:5: "strings" imported and not used +./main.go:12:5: "time" imported and not used +./main.go:15:5: "github.com/docker/docker/api/types/events" imported and not used +./main.go:34:70: undefined: types.ContainerListOptions diff --git a/build_logs/darwin_arm64_build.log b/build_logs/darwin_arm64_build.log new file mode 100644 index 0000000..8f7ba50 --- /dev/null +++ b/build_logs/darwin_arm64_build.log @@ -0,0 +1,6 @@ +# command-line-arguments +./main.go:9:5: "os" imported and not used +./main.go:11:5: "strings" imported and not used +./main.go:12:5: "time" imported and not used +./main.go:15:5: "github.com/docker/docker/api/types/events" imported and not used +./main.go:34:70: undefined: types.ContainerListOptions diff --git a/build_logs/linux_amd64_build.log b/build_logs/linux_amd64_build.log new file mode 100644 index 0000000..8f7ba50 --- /dev/null +++ b/build_logs/linux_amd64_build.log @@ -0,0 +1,6 @@ +# command-line-arguments +./main.go:9:5: "os" imported and not used +./main.go:11:5: "strings" imported and not used +./main.go:12:5: "time" imported and not used +./main.go:15:5: "github.com/docker/docker/api/types/events" imported and not used +./main.go:34:70: undefined: types.ContainerListOptions diff --git a/build_logs/linux_amd64_static_build.log b/build_logs/linux_amd64_static_build.log new file mode 100644 index 0000000..8f7ba50 --- /dev/null +++ b/build_logs/linux_amd64_static_build.log @@ -0,0 +1,6 @@ +# command-line-arguments +./main.go:9:5: "os" imported and not used +./main.go:11:5: "strings" imported and not used +./main.go:12:5: "time" imported and not used +./main.go:15:5: "github.com/docker/docker/api/types/events" imported and not used +./main.go:34:70: undefined: types.ContainerListOptions diff --git a/build_logs/linux_arm64_build.log b/build_logs/linux_arm64_build.log new file mode 100644 index 0000000..8f7ba50 --- /dev/null +++ b/build_logs/linux_arm64_build.log @@ -0,0 +1,6 @@ +# command-line-arguments +./main.go:9:5: "os" imported and not used +./main.go:11:5: "strings" imported and not used +./main.go:12:5: "time" imported and not used +./main.go:15:5: "github.com/docker/docker/api/types/events" imported and not used +./main.go:34:70: undefined: types.ContainerListOptions diff --git a/build_logs/linux_arm64_static_build.log b/build_logs/linux_arm64_static_build.log new file mode 100644 index 0000000..8f7ba50 --- /dev/null +++ b/build_logs/linux_arm64_static_build.log @@ -0,0 +1,6 @@ +# command-line-arguments +./main.go:9:5: "os" imported and not used +./main.go:11:5: "strings" imported and not used +./main.go:12:5: "time" imported and not used +./main.go:15:5: "github.com/docker/docker/api/types/events" imported and not used +./main.go:34:70: undefined: types.ContainerListOptions diff --git a/build_logs/linux_arm_build.log b/build_logs/linux_arm_build.log new file mode 100644 index 0000000..8f7ba50 --- /dev/null +++ b/build_logs/linux_arm_build.log @@ -0,0 +1,6 @@ +# command-line-arguments +./main.go:9:5: "os" imported and not used +./main.go:11:5: "strings" imported and not used +./main.go:12:5: "time" imported and not used +./main.go:15:5: "github.com/docker/docker/api/types/events" imported and not used +./main.go:34:70: undefined: types.ContainerListOptions diff --git a/build_logs/linux_arm_static_build.log b/build_logs/linux_arm_static_build.log new file mode 100644 index 0000000..8f7ba50 --- /dev/null +++ b/build_logs/linux_arm_static_build.log @@ -0,0 +1,6 @@ +# command-line-arguments +./main.go:9:5: "os" imported and not used +./main.go:11:5: "strings" imported and not used +./main.go:12:5: "time" imported and not used +./main.go:15:5: "github.com/docker/docker/api/types/events" imported and not used +./main.go:34:70: undefined: types.ContainerListOptions diff --git a/go.mod b/go.mod new file mode 100644 index 0000000..af7169b --- /dev/null +++ b/go.mod @@ -0,0 +1,35 @@ +module yourmodule + +go 1.21.1 + +require ( + github.com/docker/docker v26.1.4+incompatible + github.com/robfig/cron/v3 v3.0.1 +) + +require ( + github.com/Microsoft/go-winio v0.4.14 // indirect + github.com/containerd/log v0.1.0 // indirect + github.com/distribution/reference v0.6.0 // indirect + github.com/docker/go-connections v0.5.0 // indirect + github.com/docker/go-units v0.5.0 // indirect + github.com/felixge/httpsnoop v1.0.4 // indirect + github.com/go-logr/logr v1.4.1 // indirect + github.com/go-logr/stdr v1.2.2 // indirect + github.com/gogo/protobuf v1.3.2 // indirect + github.com/moby/docker-image-spec v1.3.1 // indirect + github.com/moby/term v0.5.0 // indirect + github.com/morikuni/aec v1.0.0 // indirect + github.com/opencontainers/go-digest v1.0.0 // indirect + github.com/opencontainers/image-spec v1.1.0 // indirect + github.com/pkg/errors v0.9.1 // indirect + go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.52.0 // indirect + go.opentelemetry.io/otel v1.27.0 // indirect + go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp v1.27.0 // indirect + go.opentelemetry.io/otel/metric v1.27.0 // indirect + go.opentelemetry.io/otel/sdk v1.27.0 // indirect + go.opentelemetry.io/otel/trace v1.27.0 // indirect + golang.org/x/sys v0.20.0 // indirect + golang.org/x/time v0.5.0 // indirect + gotest.tools/v3 v3.5.1 // indirect +) diff --git a/go.sum b/go.sum new file mode 100644 index 0000000..fc90a2f --- /dev/null +++ b/go.sum @@ -0,0 +1,123 @@ +github.com/Azure/go-ansiterm v0.0.0-20210617225240-d185dfc1b5a1 h1:UQHMgLO+TxOElx5B5HZ4hJQsoJ/PvUvKRhJHDQXO8P8= +github.com/Azure/go-ansiterm v0.0.0-20210617225240-d185dfc1b5a1/go.mod h1:xomTg63KZ2rFqZQzSB4Vz2SUXa1BpHTVz9L5PTmPC4E= +github.com/Microsoft/go-winio v0.4.14 h1:+hMXMk01us9KgxGb7ftKQt2Xpf5hH/yky+TDA+qxleU= +github.com/Microsoft/go-winio v0.4.14/go.mod h1:qXqCSQ3Xa7+6tgxaGTIe4Kpcdsi+P8jBhyzoq1bpyYA= +github.com/cenkalti/backoff/v4 v4.3.0 h1:MyRJ/UdXutAwSAT+s3wNd7MfTIcy71VQueUuFK343L8= +github.com/cenkalti/backoff/v4 v4.3.0/go.mod h1:Y3VNntkOUPxTVeUxJ/G5vcM//AlwfmyYozVcomhLiZE= +github.com/containerd/log v0.1.0 h1:TCJt7ioM2cr/tfR8GPbGf9/VRAX8D2B4PjzCpfX540I= +github.com/containerd/log v0.1.0/go.mod h1:VRRf09a7mHDIRezVKTRCrOq78v577GXq3bSa3EhrzVo= +github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c= +github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= +github.com/distribution/reference v0.6.0 h1:0IXCQ5g4/QMHHkarYzh5l+u8T3t73zM5QvfrDyIgxBk= +github.com/distribution/reference v0.6.0/go.mod h1:BbU0aIcezP1/5jX/8MP0YiH4SdvB5Y4f/wlDRiLyi3E= +github.com/docker/docker v26.1.4+incompatible h1:vuTpXDuoga+Z38m1OZHzl7NKisKWaWlhjQk7IDPSLsU= +github.com/docker/docker v26.1.4+incompatible/go.mod h1:eEKB0N0r5NX/I1kEveEz05bcu8tLC/8azJZsviup8Sk= +github.com/docker/go-connections v0.5.0 h1:USnMq7hx7gwdVZq1L49hLXaFtUdTADjXGp+uj1Br63c= +github.com/docker/go-connections v0.5.0/go.mod h1:ov60Kzw0kKElRwhNs9UlUHAE/F9Fe6GLaXnqyDdmEXc= +github.com/docker/go-units v0.5.0 h1:69rxXcBk27SvSaaxTtLh/8llcHD8vYHT7WSdRZ/jvr4= +github.com/docker/go-units v0.5.0/go.mod h1:fgPhTUdO+D/Jk86RDLlptpiXQzgHJF7gydDDbaIK4Dk= +github.com/felixge/httpsnoop v1.0.4 h1:NFTV2Zj1bL4mc9sqWACXbQFVBBg2W3GPvqp8/ESS2Wg= +github.com/felixge/httpsnoop v1.0.4/go.mod h1:m8KPJKqk1gH5J9DgRY2ASl2lWCfGKXixSwevea8zH2U= +github.com/go-logr/logr v1.2.2/go.mod h1:jdQByPbusPIv2/zmleS9BjJVeZ6kBagPoEUsqbVz/1A= +github.com/go-logr/logr v1.4.1 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h1:XhKaO+MFFWcvkIS/tQcRk01m1F5IRFswLeQ+oQHNcck= +github.com/konsorten/go-windows-terminal-sequences v1.0.1/go.mod h1:T0+1ngSBFLxvqU3pZ+m/2kptfBszLMUkC4ZK/EgS/cQ= +github.com/moby/docker-image-spec v1.3.1 h1:jMKff3w6PgbfSa69GfNg+zN/XLhfXJGnEx3Nl2EsFP0= +github.com/moby/docker-image-spec v1.3.1/go.mod h1:eKmb5VW8vQEh/BAr2yvVNvuiJuY6UIocYsFu/DxxRpo= +github.com/moby/term v0.5.0 h1:xt8Q1nalod/v7BqbG21f8mQPqH+xAaC9C3N3wfWbVP0= +github.com/moby/term v0.5.0/go.mod h1:8FzsFHVUBGZdbDsJw/ot+X+d5HLUbvklYLJ9uGfcI3Y= +github.com/morikuni/aec v1.0.0 h1:nP9CBfwrvYnBRgY6qfDQkygYDmYwOilePFkwzv4dU8A= +github.com/morikuni/aec v1.0.0/go.mod h1:BbKIizmSmc5MMPqRYbxO4ZU0S0+P200+tUnFx7PXmsc= +github.com/opencontainers/go-digest v1.0.0 h1:apOUWs51W5PlhuyGyz9FCeeBIOUDA/6nW8Oi/yOhh5U= +github.com/opencontainers/go-digest v1.0.0/go.mod h1:0JzlMkj0TRzQZfJkVvzbP0HBR3IKzErnv2BNG4W4MAM= +github.com/opencontainers/image-spec v1.1.0 h1:8SG7/vwALn54lVB/0yZ/MMwhFrPYtpEHQb2IpWsCzug= +github.com/opencontainers/image-spec 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+++ b/install.sh @@ -0,0 +1,37 @@ +#!/bin/bash + +INSTALL_DIR="/usr/local/bin" +BINARY_NAME="oculus" +BASE_URL="https://git.nixc.us/colin/oculus/raw/branch/main/dist" + +declare -A binaries +binaries["linux/amd64"]="oculus_linux_amd64" +binaries["linux/arm64"]="oculus_linux_arm64" +binaries["linux/arm/v7"]="oculus_linux_arm" +binaries["darwin/amd64"]="oculus_darwin_amd64" +binaries["darwin/arm64"]="oculus_darwin_arm64" + +OS="$(uname -s | tr '[:upper:]' '[:lower:]')" +ARCH="$(uname -m)" + +case $ARCH in + x86_64) ARCH="amd64" ;; + arm64 | aarch64) ARCH="arm64" ;; + arm*) ARCH="arm/v7" ;; + *) echo "Unsupported architecture: $ARCH"; exit 1 ;; +esac + +KEY="${OS}/${ARCH}" + +if [[ -z "${binaries[$KEY]}" ]]; then + echo "No pre-built binary for your system architecture ($KEY)." + exit 1 +fi + +BINARY_URL="${BASE_URL}/${binaries[$KEY]}" + +echo "Downloading and installing $BINARY_NAME from $BINARY_URL..." +sudo curl -sSL "$BINARY_URL" -o "${INSTALL_DIR}/${BINARY_NAME}" + +sudo chmod +x "${INSTALL_DIR}/${BINARY_NAME}" +echo "Installed $BINARY_NAME to $INSTALL_DIR" diff --git a/main.go b/main.go new file mode 100644 index 0000000..c767fd1 --- /dev/null +++ b/main.go @@ -0,0 +1,182 @@ +package main + +import ( + "context" + "encoding/json" + "fmt" + "io/ioutil" + "log" + "os" + "os/exec" + "strings" + "time" + + "github.com/docker/docker/api/types" + "github.com/docker/docker/api/types/events" + "github.com/docker/docker/api/types/filters" + "github.com/docker/docker/client" + "github.com/robfig/cron/v3" +) + +const ( + notifyScript = "/notify.sh" +) + +// ContainerDiff represents the state of a container +type ContainerDiff struct { + ID string + Image string + Labels map[string]string +} + +// getRunningContainers fetches the list of running containers with relevant labels +func getRunningContainers(cli *client.Client) ([]ContainerDiff, error) { + containers, err := cli.ContainerList(context.Background(), types.ContainerListOptions{}) + if err != nil { + return nil, err + } + + var diffs []ContainerDiff + for _, container := range containers { + if _, ok := container.Labels["oculus.containerid"]; ok { + diffs = append(diffs, ContainerDiff{ + ID: container.ID, + Image: container.Image, + Labels: container.Labels, + }) + } + } + + return diffs, nil +} + +// saveDiffs writes the container diffs to a file +func saveDiffs(diffs []ContainerDiff, filePath string) error { + data, err := json.Marshal(diffs) + if err != nil { + return err + } + + return ioutil.WriteFile(filePath, data, 0644) +} + +// loadDiffs reads the container diffs from a file +func loadDiffs(filePath string) ([]ContainerDiff, error) { + data, err := ioutil.ReadFile(filePath) + if err != nil { + return nil, err + } + + var diffs []ContainerDiff + err = json.Unmarshal(data, &diffs) + return diffs, err +} + +// profileContainers logs the current state of containers to a file +func profileContainers(cli *client.Client) { + diffs, err := getRunningContainers(cli) + if err != nil { + log.Fatalf("Error profiling containers: %v", err) + } + + for _, diff := range diffs { + if diff.Labels["oculus.mode"] == "profile" { + filePath := fmt.Sprintf("%s.json", diff.Labels["oculus.containerid"]) + err := saveDiffs([]ContainerDiff{diff}, filePath) + if err != nil { + log.Fatalf("Error saving diffs: %v", err) + } + } + } + + log.Println("Profiled current containers and saved to file") +} + +// compareContainers compares the current state of containers with the saved state +func compareContainers(cli *client.Client) { + currentDiffs, err := getRunningContainers(cli) + if err != nil { + log.Fatalf("Error getting current containers: %v", err) + } + + for _, current := range currentDiffs { + if current.Labels["oculus.mode"] == "monitor" { + filePath := fmt.Sprintf("%s.json", current.Labels["oculus.containerid"]) + savedDiffs, err := loadDiffs(filePath) + if err != nil { + log.Printf("Error loading saved diffs for %s: %v", current.ID, err) + continue + } + + if len(savedDiffs) > 0 { + saved := savedDiffs[0] + if current.Image != saved.Image { + log.Printf("Container %s changed: Image %s -> %s", current.ID, saved.Image, current.Image) + runNotifyScript(current.ID, current.Image, saved.Image) + } + if current.Labels["oculus.ignorelist"] != saved.Labels["oculus.ignorelist"] { + log.Printf("Container %s ignore list changed: %s -> %s", current.ID, saved.Labels["oculus.ignorelist"], current.Labels["oculus.ignorelist"]) + runNotifyScript(current.ID, current.Image, saved.Image) + } + } else { + log.Printf("New container detected: ID %s, Image %s", current.ID, current.Image) + runNotifyScript(current.ID, current.Image, "") + } + } + } +} + +// runNotifyScript executes the notification script with the container details +func runNotifyScript(containerID, newImage, oldImage string) { + cmd := exec.Command(notifyScript, containerID, newImage, oldImage) + err := cmd.Run() + if err != nil { + log.Printf("Error running notify script: %v", err) + } +} + +// watchDockerEvents listens for Docker events and triggers comparisons +func watchDockerEvents(cli *client.Client) { + eventFilter := filters.NewArgs() + eventFilter.Add("type", "container") + eventFilter.Add("event", "start") + eventFilter.Add("event", "stop") + eventFilter.Add("event", "destroy") + + messages, errs := cli.Events(context.Background(), types.EventsOptions{ + Filters: eventFilter, + }) + + for { + select { + case event := <-messages: + log.Printf("Docker event received: %s for container %s", event.Action, event.ID) + compareContainers(cli) + case err := <-errs: + log.Printf("Error watching Docker events: %v", err) + return + } + } +} + +// scheduler sets up the cron jobs for profiling +func scheduler(cli *client.Client) { + c := cron.New() + c.AddFunc("@every 1h", func() { profileContainers(cli) }) + c.Start() +} + +func main() { + cli, err := client.NewClientWithOpts(client.FromEnv, client.WithAPIVersionNegotiation()) + if (err != nil) { + log.Fatalf("Error creating Docker client: %v", err) + } + + go scheduler(cli) + + go watchDockerEvents(cli) + + // Keep the program running + select {} +} +