implement basic mongo initialization code for ubuntu

docker.go

@@ -2,26 +2,85 @@ package main
 
 import (
 	"fmt"
-	"os/exec"
 	"time"
+	"context"
+    "github.com/docker/docker/api/types/container"
+    "github.com/docker/docker/client"
+	"github.com/docker/go-connections/nat"
 )
 
 func dockerNetworkCreate() {
-	fmt.Printf("\n\033[1;32mCreating Docker network %s for MongoDB replica set %s\033[0m\n", networkName, replicasetName)
+	fmt.Printf("\033[1;32mCreating Docker network %s for MongoDB replica set %s\033[0m\n", networkName, replicasetName)
-	exec.Command("/usr/bin/docker network create", networkName)
+	ExecSystem("docker network create " + networkName)
 }
 
 func dockerPullMongo() {
-	fmt.Printf("\n\033[1;32mPulling MongoDB Image\033[0m\n")
+	fmt.Printf("\033[1;32mPulling MongoDB Image\033[0m\n")
-	exec.Command("/usr/bin/docker pull mongo")
+	ExecSystem("docker pull mongo")
 }
 
 func dockerRunMongo() {
+
+	cli, err := client.NewClientWithOpts(client.FromEnv)
+    if err != nil {
+        panic(err)
+    }
+
 	for containerNumber := 0; containerNumber < numberOfContainers; containerNumber++ {
-		fmt.Printf("\n\033[1;32mStarting MongoDB Container %d with %s GB of memory\033[0m\n", containerNumber, get_memory())
+		fmt.Printf("\033[1;32mStarting MongoDB Container %d with %s GB of memory\033[0m\n", containerNumber, getMemory())
-		dockerRunCmd := fmt.Sprintf("docker run -d -p 3000%d:27017 --name mongo%d --net %s -e MONGO_INITDB_ROOT_USERNAME=%s -e MONGO_INITDB_ROOT_PASSWORD=%s -v %s/mongo%d:/data/db -v %s:/opt/keyfile  --restart unless-stopped mongo mongod --replSet %s --wiredTigerCacheSizeGB %s --keyFile /opt/keyfile/mongodb-keyfile", containerNumber, containerNumber, networkName, mongoInitdbRootUsername, mongoInitdbRootPassword, mongoBasePath, containerNumber, mongoBasePath, replicasetName, get_memory())
+
-		exec.Command(dockerRunCmd)
+
+		//dockerRunCmd := fmt.Sprintf("docker run -d -p 3000%d:27017 --name mongo%d --net %s -e MONGO_INITDB_ROOT_USERNAME=%s -e MONGO_INITDB_ROOT_PASSWORD=%s -v %s/mongo%d:/data/db -v %s:/opt/keyfile  --restart unless-stopped mongo mongod --replSet %s --wiredTigerCacheSizeGB %s --keyFile /opt/keyfile/mongodb-keyfile", containerNumber, containerNumber, networkName, mongoInitdbRootUsername, mongoInitdbRootPassword, mongoBasePath, containerNumber, mongoBasePath, replicasetName, get_memory())
+
+		containerName := "mongo" + fmt.Sprint(containerNumber)
+
+		config := &container.Config{
+			Image: "mongo:latest",
+			ExposedPorts: nat.PortSet{
+				"27017/tcp": struct{}{},
+			},
+			Env: []string{
+				fmt.Sprintf("MONGO_INITDB_ROOT_USERNAME=%s", mongoInitdbRootUsername),
+				fmt.Sprintf("MONGO_INITDB_ROOT_PASSWORD=%s", mongoInitdbRootPassword),
+			},
+			Cmd: []string{"mongod", "--replSet", replicasetName, "--wiredTigerCacheSizeGB", getMemory(), "--keyFile", "/opt/keyfile/mongodb-keyfile"},
+
+			Volumes: map[string]struct{}{
+				"/data/db": {},
+				"/opt/keyfile": {},
+			},
+		}
+
+		
+		hostConfig := &container.HostConfig{
+			PortBindings: nat.PortMap{
+				"80/tcp": []nat.PortBinding{
+					{
+						HostIP:   "0.0.0.0",
+						HostPort: fmt.Sprintf("3000%d", containerNumber),
+					},
+				},
+			},
+			Binds: []string{
+				fmt.Sprintf("%s/mongo%d:/data/db", mongoBasePath, containerNumber),
+				fmt.Sprintf("%s:/opt/keyfile", mongoBasePath),
+			},
+			NetworkMode: container.NetworkMode(networkName),
+			RestartPolicy: container.RestartPolicy{
+				Name: "unless-stopped",
+			},
+		}
+
+		resp, err := cli.ContainerCreate(context.Background(), config, hostConfig, nil, nil, containerName)
+		if err != nil {
+			panic(err)
+		}
+
+		if err := cli.ContainerStart(context.Background(), resp.ID, container.StartOptions{}); err != nil {
+			panic(err)
+		}
+
 	}
-	fmt.Printf("\n\033[1;32mWaiting for all containers to start\033[0m\n")
+	fmt.Printf("\033[1;32mWaiting for all containers to start\033[0m\n")
 	time.Sleep(10 * time.Second)
 }

go.mod

@@ -1,17 +1,35 @@
 module main
+
 go 1.22.3
 
 require (
+	github.com/docker/docker v26.1.2+incompatible
 	github.com/go-ini/ini v1.67.0
 	github.com/shirou/gopsutil/v3 v3.24.4
 )
 
 require (
+	github.com/Microsoft/go-winio v0.4.14 // 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/go-ole/go-ole v1.2.6 // indirect
+	github.com/gogo/protobuf v1.3.2 // indirect
 	github.com/lufia/plan9stats v0.0.0-20211012122336-39d0f177ccd0 // indirect
+	github.com/moby/docker-image-spec v1.3.1 // 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
 	github.com/power-devops/perfstat v0.0.0-20210106213030-5aafc221ea8c // indirect
 	github.com/tklauser/go-sysconf v0.3.12 // indirect
 	github.com/tklauser/numcpus v0.6.1 // indirect
 	github.com/yusufpapurcu/wmi v1.2.4 // indirect
+	go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.51.0 // indirect
+	go.opentelemetry.io/otel v1.26.0 // indirect
+	go.opentelemetry.io/otel/metric v1.26.0 // indirect
+	go.opentelemetry.io/otel/trace v1.26.0 // indirect
 	golang.org/x/sys v0.19.0 // indirect
 )

go.sum

@@ -1,14 +1,45 @@
+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/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 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 v26.1.2+incompatible h1:UVX5ZOrrfTGZZYEP+ZDq3Xn9PdHNXaSYMFPDumMqG2k=
+github.com/docker/docker v26.1.2+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-ini/ini v1.67.0 h1:z6ZrTEZqSWOTyH2FlglNbNgARyHG8oLW9gMELqKr06A=
 github.com/go-ini/ini v1.67.0/go.mod h1:ByCAeIL28uOIIG0E3PJtZPDL8WnHpFKFOtgjp+3Ies8=
+github.com/go-logr/logr v1.2.2/go.mod h1:jdQByPbusPIv2/zmleS9BjJVeZ6kBagPoEUsqbVz/1A=
+github.com/go-logr/logr v1.4.1 h1:pKouT5E8xu9zeFC39JXRDukb6JFQPXM5p5I91188VAQ=
+github.com/go-logr/logr v1.4.1/go.mod h1:9T104GzyrTigFIr8wt5mBrctHMim0Nb2HLGrmQ40KvY=
+github.com/go-logr/stdr v1.2.2 h1:hSWxHoqTgW2S2qGc0LTAI563KZ5YKYRhT3MFKZMbjag=
+github.com/go-logr/stdr v1.2.2/go.mod h1:mMo/vtBO5dYbehREoey6XUKy/eSumjCCveDpRre4VKE=
 github.com/go-ole/go-ole v1.2.6 h1:/Fpf6oFPoeFik9ty7siob0G6Ke8QvQEuVcuChpwXzpY=
 github.com/go-ole/go-ole v1.2.6/go.mod h1:pprOEPIfldk/42T2oK7lQ4v4JSDwmV0As9GaiUsvbm0=
+github.com/gogo/protobuf v1.3.2 h1:Ov1cvc58UF3b5XjBnZv7+opcTcQFZebYjWzi34vdm4Q=
+github.com/gogo/protobuf v1.3.2/go.mod h1:P1XiOD3dCwIKUDQYPy72D8LYyHL2YPYrpS2s69NZV8Q=
 github.com/google/go-cmp v0.5.6/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
 github.com/google/go-cmp v0.5.9/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
 github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
+github.com/kisielk/errcheck v1.5.0/go.mod h1:pFxgyoBC7bSaBwPgfKdkLd5X25qrDl4LWUI2bnpBCr8=
+github.com/kisielk/gotool v1.0.0/go.mod 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/lufia/plan9stats v0.0.0-20211012122336-39d0f177ccd0 h1:6E+4a0GO5zZEnZ81pIr0yLvtUWk2if982qA3F3QD6H4=
 github.com/lufia/plan9stats v0.0.0-20211012122336-39d0f177ccd0/go.mod h1:zJYVVT2jmtg6P3p1VtQj7WsuWi/y4VnjVBn7F8KPB3I=
+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/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 v1.1.0/go.mod h1:W4s4sFTMaBeK1BQLXbG4AdM2szdn85PY75RI83NrTrM=
+github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
+github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
+github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/power-devops/perfstat v0.0.0-20210106213030-5aafc221ea8c h1:ncq/mPwQF4JjgDlrVEn3C11VoGHZN7m8qihwgMEtzYw=
 github.com/power-devops/perfstat v0.0.0-20210106213030-5aafc221ea8c/go.mod h1:OmDBASR4679mdNQnz2pUhc2G8CO2JrUAVFDRBDP/hJE=
@@ -16,10 +47,13 @@ github.com/shirou/gopsutil/v3 v3.24.4 h1:dEHgzZXt4LMNm+oYELpzl9YCqV65Yr/6SfrvgRB
 github.com/shirou/gopsutil/v3 v3.24.4/go.mod h1:lTd2mdiOspcqLgAnr9/nGi71NkeMpWKdmhuxm9GusH8=
 github.com/shoenig/go-m1cpu v0.1.6/go.mod h1:1JJMcUBvfNwpq05QDQVAnx3gUHr9IYF7GNg9SUEw2VQ=
 github.com/shoenig/test v0.6.4/go.mod h1:byHiCGXqrVaflBLAMq/srcZIHynQPQgeyvkvXnjqq0k=
+github.com/sirupsen/logrus v1.4.1/go.mod h1:ni0Sbl8bgC9z8RoU9G6nDWqqs/fq4eDPysMBDgk/93Q=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
+github.com/stretchr/objx v0.1.1/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/objx v0.4.0/go.mod h1:YvHI0jy2hoMjB+UWwv71VJQ9isScKT/TqJzVSSt89Yw=
 github.com/stretchr/objx v0.5.0/go.mod h1:Yh+to48EsGEfYuaHDzXPcE3xhTkx73EhmCGUpEOglKo=
 github.com/stretchr/objx v0.5.2/go.mod h1:FRsXN1f5AsAjCGJKqEizvkpNtU+EGNCLh3NxZ/8L+MA=
+github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
 github.com/stretchr/testify v1.7.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
 github.com/stretchr/testify v1.8.0/go.mod h1:yNjHg4UonilssWZ8iaSj1OCr/vHnekPRkoO+kdMU+MU=
 github.com/stretchr/testify v1.8.4/go.mod h1:sz/lmYIOXD/1dqDmKjjqLyZ2RngseejIcXlSw2iwfAo=
@@ -28,15 +62,51 @@ github.com/tklauser/go-sysconf v0.3.12 h1:0QaGUFOdQaIVdPgfITYzaTegZvdCjmYO52cSFA
 github.com/tklauser/go-sysconf v0.3.12/go.mod h1:Ho14jnntGE1fpdOqQEEaiKRpvIavV0hSfmBq8nJbHYI=
 github.com/tklauser/numcpus v0.6.1 h1:ng9scYS7az0Bk4OZLvrNXNSAO2Pxr1XXRAPyjhIx+Fk=
 github.com/tklauser/numcpus v0.6.1/go.mod h1:1XfjsgE2zo8GVw7POkMbHENHzVg3GzmoZ9fESEdAacY=
+github.com/yuin/goldmark v1.1.27/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
+github.com/yuin/goldmark v1.2.1/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
 github.com/yusufpapurcu/wmi v1.2.4 h1:zFUKzehAFReQwLys1b/iSMl+JQGSCSjtVqQn9bBrPo0=
 github.com/yusufpapurcu/wmi v1.2.4/go.mod h1:SBZ9tNy3G9/m5Oi98Zks0QjeHVDvuK0qfxQmPyzfmi0=
+go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.51.0 h1:Xs2Ncz0gNihqu9iosIZ5SkBbWo5T8JhhLJFMQL1qmLI=
+go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.51.0/go.mod h1:vy+2G/6NvVMpwGX/NyLqcC41fxepnuKHk16E6IZUcJc=
+go.opentelemetry.io/otel v1.26.0 h1:LQwgL5s/1W7YiiRwxf03QGnWLb2HW4pLiAhaA5cZXBs=
+go.opentelemetry.io/otel v1.26.0/go.mod h1:UmLkJHUAidDval2EICqBMbnAd0/m2vmpf/dAM+fvFs4=
+go.opentelemetry.io/otel/metric v1.26.0 h1:7S39CLuY5Jgg9CrnA9HHiEjGMF/X2VHvoXGgSllRz30=
+go.opentelemetry.io/otel/metric v1.26.0/go.mod h1:SY+rHOI4cEawI9a7N1A4nIg/nTQXe1ccCNWYOJUrpX4=
+go.opentelemetry.io/otel/trace v1.26.0 h1:1ieeAUb4y0TE26jUFrCIXKpTuVK7uJGN9/Z/2LP5sQA=
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+golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
+golang.org/x/mod v0.2.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
+golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
+golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
+golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
+golang.org/x/net v0.0.0-20200226121028-0de0cce0169b/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
+golang.org/x/net v0.0.0-20201021035429-f5854403a974/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU=
+golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
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+golang.org/x/sys v0.0.0-20180905080454-ebe1bf3edb33/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
+golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
+golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20190507160741-ecd444e8653b/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190916202348-b4ddaad3f8a3/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20201204225414-ed752295db88/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.8.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.11.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.19.0 h1:q5f1RH2jigJ1MoAWp2KTp3gm5zAGFUTarQZ5U386+4o=
 golang.org/x/sys v0.19.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
+golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
+golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
+golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
+golang.org/x/tools v0.0.0-20200619180055-7c47624df98f/go.mod h1:EkVYQZoAsY45+roYkvgYkIh4xh/qjgUK9TdY2XT94GE=
+golang.org/x/tools v0.0.0-20210106214847-113979e3529a/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA=
+golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

inst_deps.go

@@ -2,37 +2,36 @@ package main
 
 import(
 	"fmt"
-	"os/exec"
 	"os"
 )
 
 func instDepsUbuntu() {
-	fmt.Printf("\n\033[1;32mInstalling Python dependencies and OpenSSL from Ubuntu repo\033[0m\n")
+	fmt.Printf("\033[1;32mInstalling Python dependencies and OpenSSL from Ubuntu repo\033[0m\n")
-	exec.Command("/usr/bin/apt install -y python3-pymongo python3-psutil openssl")
+	ExecSystem("/usr/bin/apt install -y python3-pymongo python3-psutil openssl")
 }
 
 func instDepsDebian() {
-	fmt.Printf("\n\033[1;32mInstalling Python dependencies and OpenSSL from Debian repo\033[0m\n")
+	fmt.Printf("\033[1;32mInstalling Python dependencies and OpenSSL from Debian repo\033[0m\n")
-	exec.Command("/usr/bin/apt install -y python3-pymongo python3-psutil openssl")
+	ExecSystem("/usr/bin/apt install -y python3-pymongo python3-psutil openssl")
 }
 
 func instDepsFedora() {
-	fmt.Printf("\n\033[1;32mInstalling Python dependencies and OpenSSL from Fedora repo\033[0m\n")
+	fmt.Printf("\033[1;32mInstalling Python dependencies and OpenSSL from Fedora repo\033[0m\n")
-	exec.Command("/usr/bin/dnf install -y python3-pymongo python3-psutil openssl")
+	ExecSystem("/usr/bin/dnf install -y python3-pymongo python3-psutil openssl")
 }
 
 func instDepsRedHat() {
-	fmt.Printf("\n\033[1;32mInstalling Python dependencies and OpenSSL\033[0m\n")
+	fmt.Printf("\033[1;32mInstalling Python dependencies and OpenSSL\033[0m\n")
-	exec.Command("/usr/bin/dnf install -y python3-pymongo python3-psutil openssl")
+	ExecSystem("/usr/bin/dnf install -y python3-pymongo python3-psutil openssl")
 }
 
 func instDepsOpenSUSE() {
-	fmt.Printf("\n\033[1;32mInstalling Python dependencies and OpenSSL\033[0m\n")
+	fmt.Printf("\033[1;32mInstalling Python dependencies and OpenSSL\033[0m\n")
-	exec.Command("/usr/bin/zypper install -y python3-pymongo python3-psutil openssl")
+	ExecSystem("/usr/bin/zypper install -y python3-pymongo python3-psutil openssl")
 }
 
 func instDockerUbuntu() {
-	fmt.Printf("\n\033[1;32mInstalling Docker CE from official repo\033[0m\n")
+	fmt.Printf("\033[1;32mInstalling Docker CE from official repo\033[0m\n")
 	docker_install := `
 	apt update
 	install -m 0755 -d /etc/apt/keyrings
@@ -47,7 +46,7 @@ func instDockerUbuntu() {
 
 	apt install -y docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin`
 
-	exec.Command(docker_install)
+	ExecSystem(docker_install)
 }
 
 func instDockerDebian() {

main.go

@@ -3,6 +3,7 @@ package main
 import (
 	"fmt"
 	"os/exec"
+	"bufio"
 )
 
 var mongoBasePath = "/opt/my-mongo"
@@ -13,20 +14,49 @@ var maxMemAllocPercent int = 95
 var mongoInitdbRootUsername = "sasha"
 var mongoInitdbRootPassword = "12345"
 
+func ExecSystem(command string) {
+	cmd := exec.Command("/usr/bin/bash", "-c", command)
+	stdout, err := cmd.StdoutPipe()
+    if err != nil {
+        fmt.Println("Error obtaining stdout pipe:", err)
+        return
+    }
 
+    // Start the command
+    if err := cmd.Start(); err != nil {
+        fmt.Println("Error starting command:", err)
+        return
+    }
+
+    // Read the output line by line
+    scanner := bufio.NewScanner(stdout)
+    for scanner.Scan() {
+        fmt.Println(scanner.Text())
+    }
+
+    // Check for any errors
+    if err := scanner.Err(); err != nil {
+        fmt.Println("Error reading command output:", err)
+    }
+
+    // Wait for the command to finish
+    if err := cmd.Wait(); err != nil {
+        fmt.Println("Error waiting for command:", err)
+    }
+}
 
 func genKeys() {
-	fmt.Printf("\n\033[1;32mGenerating keys\033[0m\n")
+	fmt.Printf("\033[1;32mGenerating keys\033[0m\n")
 
 	keyfileLocation := mongoBasePath + "/mongodb-keyfile"
-	exec.Command("/usr/bin/openssl rand -base64 741 > ", keyfileLocation)
+	ExecSystem("openssl rand -base64 741 > " + keyfileLocation)
-	exec.Command("/usr/bin/chmod 600 ", keyfileLocation)
+	ExecSystem("chmod 600 " + keyfileLocation)
-	exec.Command("/usr/bin/chown 999 ", keyfileLocation)
+	ExecSystem("chown 999 " + keyfileLocation)
 }
 
 func main() {
-	check_root()
+	checkRoot()
-	check_settings()
+	checkSettings()
 	instDeps()
 	genKeys()
 	dockerNetworkCreate()

systemcheck.go

@@ -8,19 +8,19 @@ import (
 	"github.com/shirou/gopsutil/v3/mem"
 )
 
-func check_root() {
+func checkRoot() {
 	currentUser, err := user.Current()
 	if err != nil {
         fmt.Println("Error getting current user:", err)
         os.Exit(1)
     }
-	if currentUser.Uid != "1000" {
+	if currentUser.Uid != "0" {
 		fmt.Println("You must be root to run this script")
         os.Exit(1)
 	}
 }
 
-func check_settings() {
+func checkSettings() {
 	if numberOfContainers < 1 && numberOfContainers > 7 {
 		fmt.Println("Number of containers must be between 1 and 7")
         os.Exit(2)
@@ -46,8 +46,8 @@ func getDistro() string {
 	return OSRelease
 }
 
-func get_memory() string {
+func getMemory() string {
 	system_mem, _ := mem.VirtualMemory()
-	mem_gb := fmt.Sprintf("%.2f", (float64(system_mem.Total)/1073741824)*float64(maxMemAllocPercent/(numberOfContainers*100)))
+	mem_gb := fmt.Sprintf("%.2f", (float64(system_mem.Total)/1073741824)*(float64(maxMemAllocPercent)/(float64(numberOfContainers)*100)))
 	return mem_gb
 }