147 lines
3.8 KiB
V
147 lines
3.8 KiB
V
module docker
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import incubaid.herolib.osal.core as osal { exec }
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import incubaid.herolib.virt.utils
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@[params]
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pub struct DockerContainerCreateArgs {
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pub mut:
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name string
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hostname string
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forwarded_ports []string // ["80:9000/tcp", "1000, 10000/udp"]
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mounted_volumes []string // ["/root:/root", ]
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env map[string]string // map of environment variables that will be passed to the container
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privileged bool
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remove_when_done bool = true // remove the container when it shuts down
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image_repo string
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image_tag string
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command string
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}
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pub fn (mut e DockerEngine) container_create(args DockerContainerCreateArgs) !&DockerContainer {
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// Validate required parameters
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if args.name.trim_space() == '' {
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return error('Container name cannot be empty')
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}
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// Set default hostname if not provided
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mut hostname := args.hostname
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if hostname.trim_space() == '' {
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hostname = args.name.replace('_', '-')
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}
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mut ports := ''
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mut mounts := ''
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mut env := ''
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mut command := args.command
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// Build environment variables string with proper spacing
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for var, value in args.env {
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if env != '' {
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env += ' '
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}
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env += '-e "${var}=${value}"'
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}
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// Build ports string
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for port in args.forwarded_ports {
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if ports != '' {
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ports += ' '
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}
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ports += '-p ${port}'
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}
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// Build mounts string
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for mount in args.mounted_volumes {
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if mounts != '' {
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mounts += ' '
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}
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mounts += '-v ${mount}'
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}
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// Build image string
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mut image := args.image_repo
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if args.image_tag != '' {
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image += ':${args.image_tag}'
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} else {
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// Check if image exists with 'local' tag first
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mut local_check := exec(cmd: 'docker images ${args.image_repo}:local -q', debug: true)!
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if local_check.output != '' {
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image += ':local'
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} else {
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// Default to latest if no tag specified
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image += ':latest'
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}
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}
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// Set default image and command for threefold
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if image == 'threefold' || image == 'threefold:latest' || image == '' {
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image = 'threefoldtech/grid3_ubuntu_dev'
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command = '/usr/local/bin/boot.sh'
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}
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// Verify image exists locally
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mut image_check := exec(cmd: 'docker images ${image} -q')!
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if image_check.output == '' {
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return error('Docker image not found: ${image}. Please ensure the image exists locally or can be pulled from a registry.')
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}
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privileged := if args.privileged { '--privileged' } else { '' }
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// Add SSH port if not present
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if !utils.contains_ssh_port(args.forwarded_ports) {
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mut port := e.get_free_port() or { return error('No free port available for SSH') }
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if ports != '' {
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ports += ' '
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}
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ports += '-p ${port}:22/tcp'
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}
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// Construct docker run command with proper spacing and escaping
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mut mycmd := 'docker run'
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if hostname != '' {
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mycmd += ' --hostname "${hostname}"'
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}
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if privileged != '' {
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mycmd += ' ${privileged}'
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}
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mycmd += ' --sysctl net.ipv6.conf.all.disable_ipv6=0'
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mycmd += ' --name "${args.name}"'
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if ports != '' {
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mycmd += ' ${ports}'
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}
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if env != '' {
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mycmd += ' ${env}'
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}
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if mounts != '' {
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mycmd += ' ${mounts}'
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}
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mycmd += ' -d -t ${image}'
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if command != '' {
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mycmd += ' ${command}'
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}
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// Execute docker run command
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exec(cmd: mycmd) or {
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return error('Failed to create Docker container:
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Command: ${mycmd}
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Error: ${err}
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Possible causes:
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- Invalid image name or tag
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- Container name already in use
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- Port conflicts
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- Insufficient permissions
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Please check the error message and try again.')
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}
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// Verify container was created successfully
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e.containers_load() or {
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return error('Container created but failed to reload container list: ${err}')
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}
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mut container := e.container_get(name: args.name) or {
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return error('Container created but not found in container list. This may indicate the container failed to start properly. Check container logs with: docker logs ${args.name}')
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}
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return container
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}
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