added WASM support
This commit is contained in:
@@ -1,310 +1,301 @@
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package client
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import (
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"encoding/json"
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"errors"
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"github.com/Akilan1999/p2p-rendering-computation/config"
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"github.com/google/uuid"
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"io/ioutil"
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"os"
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)
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// Groups Data Structure type
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type Groups struct {
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GroupList []*Group `json:"Groups"`
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}
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// Group Information about a single group
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type Group struct {
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ID string `json:"ID"`
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TrackContainerList []*TrackContainer `json:"TrackContainer"`
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// Sneaky as required only when removing the element
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// Set when GetGroup function is called
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index int
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}
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// CreateGroup Creates a new group to add a set of track containers
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func CreateGroup() (*Group, error) {
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// Creating variable of type new group
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var NewGroup Group
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// Generate new UUID for group ID
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id := uuid.New()
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// Add new group id and prepend with the string "grp"
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// The reason this is done is to differentiate between a
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// group ID and docker container ID
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NewGroup.ID = "grp" + id.String()
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// Adding the new group to the
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// GroupTrackContainer File
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err := NewGroup.AddGroupToFile()
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if err != nil {
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return nil, err
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}
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return &NewGroup, nil
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}
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// RemoveGroup Removes group based on the group ID provided
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func RemoveGroup(GroupID string) error {
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// Read group information from the
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//grouptrackcontainer json file
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groups, err := ReadGroup()
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if err != nil {
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return err
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}
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// Gets Group struct based on group ID
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// provided
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group, err := GetGroup(GroupID)
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if err != nil {
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return err
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}
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// Remove Group struct from the groups variable
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groups.GroupList = append(groups.GroupList[:group.index], groups.GroupList[group.index+1:]...)
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// Write new groups to the grouptrackcontainer json file
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err = groups.WriteGroup()
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if err != nil {
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return err
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}
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return nil
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}
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// AddContainerToGroup Adds container information to the Group based on the Group ID
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func AddContainerToGroup(ContainerID string, GroupID string) (*Group, error) {
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// Gets container information based on container ID provided
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containerInfo, err := GetContainerInformation(ContainerID)
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if err != nil {
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return nil, err
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}
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// Gets group information based on the group ID provided
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group, err := GetGroup(GroupID)
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if err != nil {
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return nil, err
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}
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// Adds container information the group
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group.AddContainer(containerInfo)
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// Get Groups information from reading the grouptrackcontainer.json file
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groups, err := ReadGroup()
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if err != nil {
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return nil, err
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}
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// Updating specific element in the group list with the added container
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groups.GroupList[group.index] = group
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// Write groups information on the grouptrackcontainer.json file
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err = groups.WriteGroup()
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if err != nil {
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return nil, err
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}
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return group, nil
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}
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// RemoveContainerGroup Remove Container from the group ID specified
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func RemoveContainerGroup(ContainerID string, GroupID string) (*Group, error) {
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// Get container information based on container ID provided
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containerInfo, err := GetContainerInformation(ContainerID)
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if err != nil {
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return nil, err
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}
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// Gets group information based on the group ID provided
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group, err := GetGroup(GroupID)
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if err != nil {
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return nil, err
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}
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// Remove container from the appropriate group
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err = group.RemoveContainerGroup(containerInfo)
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if err != nil {
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return nil, err
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}
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// Get Groups information from reading the grouptrackcontainer.json file
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groups, err := ReadGroup()
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if err != nil {
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return nil, err
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}
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// Updating specific element in the group list with the remove container
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groups.GroupList[group.index] = group
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// Write groups information on the grouptrackcontainer.json file
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err = groups.WriteGroup()
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if err != nil {
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return nil, err
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}
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return group, nil
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}
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// RemoveContainerGroups Remove Container from groups (i.e which ever groups has information
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// about that container). This is mostly called when a container is deleted or removed from
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// the tracked container list
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func RemoveContainerGroups(ContainerID string) error {
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// Get container information based on container ID provided
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containerInfo, err := GetContainerInformation(ContainerID)
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if err != nil {
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return err
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}
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// Get Groups information from reading the grouptrackcontainer.json file
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groups, err := ReadGroup()
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if err != nil {
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return err
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}
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// Removes container information from all groups it is found in
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err = groups.RemoveContainerGroups(containerInfo)
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if err != nil {
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return err
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}
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// Write groups information on the grouptrackcontainer.json file
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err = groups.WriteGroup()
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if err != nil {
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return err
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}
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return nil
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}
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// GetGroup Gets group information based on
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// group id provided
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func GetGroup(GroupID string) (*Group, error) {
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// Read group information from the
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//grouptrackcontainer json file
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groups, err := ReadGroup()
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if err != nil {
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return nil, err
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}
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// Iterate through the set of groups and
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// if the group ID matches then return it
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for i, group := range groups.GroupList {
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if group.ID == GroupID {
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group.index = i
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return group, nil
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}
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}
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return nil, errors.New("Group not found. ")
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}
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// AddGroupToFile Adds Group struct to the GroupTrackContainer File
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func (grp *Group) AddGroupToFile() error {
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// Gets all group information from the
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// GroupTrackContainer JSON file
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groups, err := ReadGroup()
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if err != nil {
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return err
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}
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// Appending the newly created group
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groups.GroupList = append(groups.GroupList, grp)
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// Writing Group information to the GroupTrackContainer
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// JSON file
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err = groups.WriteGroup()
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if err != nil {
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return err
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}
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return nil
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}
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//type Groups struct {
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// GroupList []*Group `json:"Groups"`
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//}
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//
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//// Group Information about a single group
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//type Group struct {
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// ID string `json:"ID"`
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// TrackContainerList []*TrackContainer `json:"TrackContainer"`
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// // Sneaky as required only when removing the element
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// // Set when GetGroup function is called
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// index int
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//}
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//
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//// CreateGroup Creates a new group to add a set of track containers
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//func CreateGroup() (*Group, error) {
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// // Creating variable of type new group
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// var NewGroup Group
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// // Generate new UUID for group ID
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// id := uuid.New()
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// // Add new group id and prepend with the string "grp"
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// // The reason this is done is to differentiate between a
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// // group ID and docker container ID
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// NewGroup.ID = "grp" + id.String()
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// // Adding the new group to the
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// // GroupTrackContainer File
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// err := NewGroup.AddGroupToFile()
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// if err != nil {
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// return nil, err
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// }
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//
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// return &NewGroup, nil
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//}
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//
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//// RemoveGroup Removes group based on the group ID provided
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//func RemoveGroup(GroupID string) error {
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// // Read group information from the
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// //grouptrackcontainer json file
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// groups, err := ReadGroup()
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// if err != nil {
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// return err
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// }
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// // Gets Group struct based on group ID
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// // provided
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// group, err := GetGroup(GroupID)
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// if err != nil {
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// return err
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// }
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// // Remove Group struct from the groups variable
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// groups.GroupList = append(groups.GroupList[:group.index], groups.GroupList[group.index+1:]...)
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//
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// // Write new groups to the grouptrackcontainer json file
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// err = groups.WriteGroup()
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// if err != nil {
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// return err
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// }
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//
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// return nil
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//}
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//
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//// AddContainerToGroup Adds container information to the Group based on the Group ID
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//func AddContainerToGroup(ContainerID string, GroupID string) (*Group, error) {
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// // Gets container information based on container ID provided
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// containerInfo, err := GetContainerInformation(ContainerID)
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// if err != nil {
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// return nil, err
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// }
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// // Gets group information based on the group ID provided
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// group, err := GetGroup(GroupID)
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// if err != nil {
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// return nil, err
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// }
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// // Adds container information the group
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// group.AddContainer(containerInfo)
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//
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// // Get Groups information from reading the grouptrackcontainer.json file
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// groups, err := ReadGroup()
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// if err != nil {
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// return nil, err
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// }
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// // Updating specific element in the group list with the added container
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// groups.GroupList[group.index] = group
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// // Write groups information on the grouptrackcontainer.json file
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// err = groups.WriteGroup()
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// if err != nil {
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// return nil, err
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// }
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//
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// return group, nil
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//}
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//
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//// RemoveContainerGroup Remove Container from the group ID specified
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//func RemoveContainerGroup(ContainerID string, GroupID string) (*Group, error) {
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// // Get container information based on container ID provided
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// containerInfo, err := GetContainerInformation(ContainerID)
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// if err != nil {
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// return nil, err
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// }
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// // Gets group information based on the group ID provided
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// group, err := GetGroup(GroupID)
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// if err != nil {
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// return nil, err
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// }
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// // Remove container from the appropriate group
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// err = group.RemoveContainerGroup(containerInfo)
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// if err != nil {
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// return nil, err
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// }
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// // Get Groups information from reading the grouptrackcontainer.json file
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// groups, err := ReadGroup()
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// if err != nil {
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// return nil, err
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// }
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// // Updating specific element in the group list with the remove container
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// groups.GroupList[group.index] = group
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// // Write groups information on the grouptrackcontainer.json file
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// err = groups.WriteGroup()
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// if err != nil {
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// return nil, err
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// }
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//
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// return group, nil
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//}
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//
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//// RemoveContainerGroups Remove Container from groups (i.e which ever groups has information
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//// about that container). This is mostly called when a container is deleted or removed from
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//// the tracked container list
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//func RemoveContainerGroups(ContainerID string) error {
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// // Get container information based on container ID provided
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// containerInfo, err := GetContainerInformation(ContainerID)
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// if err != nil {
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// return err
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// }
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// // Get Groups information from reading the grouptrackcontainer.json file
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// groups, err := ReadGroup()
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// if err != nil {
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// return err
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// }
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// // Removes container information from all groups it is found in
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// err = groups.RemoveContainerGroups(containerInfo)
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// if err != nil {
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// return err
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// }
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// // Write groups information on the grouptrackcontainer.json file
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// err = groups.WriteGroup()
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// if err != nil {
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// return err
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// }
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//
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// return nil
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//}
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//
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//// GetGroup Gets group information based on
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//// group id provided
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//func GetGroup(GroupID string) (*Group, error) {
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// // Read group information from the
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// //grouptrackcontainer json file
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// groups, err := ReadGroup()
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// if err != nil {
|
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// return nil, err
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// }
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// // Iterate through the set of groups and
|
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// // if the group ID matches then return it
|
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// for i, group := range groups.GroupList {
|
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// if group.ID == GroupID {
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// group.index = i
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// return group, nil
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// }
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// }
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//
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// return nil, errors.New("Group not found. ")
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//}
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//
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//// AddGroupToFile Adds Group struct to the GroupTrackContainer File
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//func (grp *Group) AddGroupToFile() error {
|
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// // Gets all group information from the
|
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// // GroupTrackContainer JSON file
|
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// groups, err := ReadGroup()
|
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// if err != nil {
|
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// return err
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// }
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// // Appending the newly created group
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// groups.GroupList = append(groups.GroupList, grp)
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// // Writing Group information to the GroupTrackContainer
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// // JSON file
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// err = groups.WriteGroup()
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// if err != nil {
|
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// return err
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// }
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//
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// return nil
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//}
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// ReadGroup Function reads grouptrackcontainers.json and converts
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// result to Groups
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func ReadGroup() (*Groups, error) {
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// Get Path from config
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config, err := config.ConfigInit(nil, nil)
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if err != nil {
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return nil, err
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}
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jsonFile, err := os.Open(config.GroupTrackContainersPath)
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// if we os.Open returns an error then handle it
|
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if err != nil {
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return nil, err
|
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}
|
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// defer the closing of our jsonFile so that we can parse it later on
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defer jsonFile.Close()
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// read our opened xmlFile as a byte array.
|
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byteValue, _ := ioutil.ReadAll(jsonFile)
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// we initialize our Users array
|
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var groups Groups
|
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// we unmarshal our byteArray which contains our
|
||||
// jsonFile's content into 'users' which we defined above
|
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json.Unmarshal(byteValue, &groups)
|
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return &groups, nil
|
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}
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|
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// WriteGroup Function to write type Groups to the grouptrackcontainers.json file
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func (grp *Groups) WriteGroup() error {
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file, err := json.MarshalIndent(grp, "", " ")
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if err != nil {
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return err
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}
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// Get Path from config
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config, err := config.ConfigInit(nil, nil)
|
||||
if err != nil {
|
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return err
|
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}
|
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// Writes to the appropriate file
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err = ioutil.WriteFile(config.GroupTrackContainersPath, file, 0644)
|
||||
if err != nil {
|
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return err
|
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}
|
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return nil
|
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}
|
||||
|
||||
// AddContainer Adds a container to the Tracked container list of the group
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||||
func (grp *Group) AddContainer(Container *TrackContainer) error {
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grp.TrackContainerList = append(grp.TrackContainerList, Container)
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return nil
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}
|
||||
|
||||
// RemoveContainerGroup Removes container information from the group
|
||||
func (grp *Group) RemoveContainerGroup(Container *TrackContainer) error {
|
||||
// Iterating through all container in the Group of Tracked Container
|
||||
for i, container := range grp.TrackContainerList {
|
||||
// If the container ID matches then remove the container from the group
|
||||
if container.Id == Container.Id {
|
||||
grp.TrackContainerList = append(grp.TrackContainerList[:i], grp.TrackContainerList[i+1:]...)
|
||||
}
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
// RemoveContainerGroups removes container found in all groups
|
||||
func (grp *Groups) RemoveContainerGroups(Container *TrackContainer) error {
|
||||
// Iterating through all groups
|
||||
for i, group := range grp.GroupList {
|
||||
// Removes the container in the following group
|
||||
// if it exists
|
||||
err := group.RemoveContainerGroup(Container)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
// Set group information to list groups
|
||||
grp.GroupList[i] = group
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
// ModifyContainerGroups Modifies container information is all groups
|
||||
// available
|
||||
func (TC *TrackContainer) ModifyContainerGroups() error {
|
||||
group, err := ReadGroup()
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
// Iterate though all groups and modify the container
|
||||
// information in groups where the modified container
|
||||
// ID matches
|
||||
for i, _ := range group.GroupList {
|
||||
// Checking in each group if the modified container ID exists
|
||||
for j, _ := range group.GroupList[i].TrackContainerList {
|
||||
// If there is match then change them
|
||||
if group.GroupList[i].TrackContainerList[j].Id == TC.Id {
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group.GroupList[i].TrackContainerList[j] = TC
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// Write modified result to the Groups track container JSON file
|
||||
err = group.WriteGroup()
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
return nil
|
||||
}
|
||||
//func ReadGroup() (*Groups, error) {
|
||||
// // Get Path from config
|
||||
// config, err := config.ConfigInit(nil, nil)
|
||||
// if err != nil {
|
||||
// return nil, err
|
||||
// }
|
||||
// jsonFile, err := os.Open(config.GroupTrackContainersPath)
|
||||
// // if we os.Open returns an error then handle it
|
||||
// if err != nil {
|
||||
// return nil, err
|
||||
// }
|
||||
// // defer the closing of our jsonFile so that we can parse it later on
|
||||
// defer jsonFile.Close()
|
||||
// // read our opened xmlFile as a byte array.
|
||||
// byteValue, _ := ioutil.ReadAll(jsonFile)
|
||||
// // we initialize our Users array
|
||||
// var groups Groups
|
||||
// // we unmarshal our byteArray which contains our
|
||||
// // jsonFile's content into 'users' which we defined above
|
||||
// json.Unmarshal(byteValue, &groups)
|
||||
// return &groups, nil
|
||||
//}
|
||||
//
|
||||
//// WriteGroup Function to write type Groups to the grouptrackcontainers.json file
|
||||
//func (grp *Groups) WriteGroup() error {
|
||||
// file, err := json.MarshalIndent(grp, "", " ")
|
||||
// if err != nil {
|
||||
// return err
|
||||
// }
|
||||
// // Get Path from config
|
||||
// config, err := config.ConfigInit(nil, nil)
|
||||
// if err != nil {
|
||||
// return err
|
||||
// }
|
||||
// // Writes to the appropriate file
|
||||
// err = ioutil.WriteFile(config.GroupTrackContainersPath, file, 0644)
|
||||
// if err != nil {
|
||||
// return err
|
||||
// }
|
||||
// return nil
|
||||
//}
|
||||
//
|
||||
//// AddContainer Adds a container to the Tracked container list of the group
|
||||
//func (grp *Group) AddContainer(Container *TrackContainer) error {
|
||||
// grp.TrackContainerList = append(grp.TrackContainerList, Container)
|
||||
// return nil
|
||||
//}
|
||||
//
|
||||
//// RemoveContainerGroup Removes container information from the group
|
||||
//func (grp *Group) RemoveContainerGroup(Container *TrackContainer) error {
|
||||
// // Iterating through all container in the Group of Tracked Container
|
||||
// for i, container := range grp.TrackContainerList {
|
||||
// // If the container ID matches then remove the container from the group
|
||||
// if container.Id == Container.Id {
|
||||
// grp.TrackContainerList = append(grp.TrackContainerList[:i], grp.TrackContainerList[i+1:]...)
|
||||
// }
|
||||
// }
|
||||
// return nil
|
||||
//}
|
||||
//
|
||||
//// RemoveContainerGroups removes container found in all groups
|
||||
//func (grp *Groups) RemoveContainerGroups(Container *TrackContainer) error {
|
||||
// // Iterating through all groups
|
||||
// for i, group := range grp.GroupList {
|
||||
// // Removes the container in the following group
|
||||
// // if it exists
|
||||
// err := group.RemoveContainerGroup(Container)
|
||||
// if err != nil {
|
||||
// return err
|
||||
// }
|
||||
// // Set group information to list groups
|
||||
// grp.GroupList[i] = group
|
||||
// }
|
||||
// return nil
|
||||
//}
|
||||
//
|
||||
//// ModifyContainerGroups Modifies container information is all groups
|
||||
//// available
|
||||
//func (TC *TrackContainer) ModifyContainerGroups() error {
|
||||
// group, err := ReadGroup()
|
||||
// if err != nil {
|
||||
// return err
|
||||
// }
|
||||
// // Iterate though all groups and modify the container
|
||||
// // information in groups where the modified container
|
||||
// // ID matches
|
||||
// for i, _ := range group.GroupList {
|
||||
// // Checking in each group if the modified container ID exists
|
||||
// for j, _ := range group.GroupList[i].TrackContainerList {
|
||||
// // If there is match then change them
|
||||
// if group.GroupList[i].TrackContainerList[j].Id == TC.Id {
|
||||
// group.GroupList[i].TrackContainerList[j] = TC
|
||||
// }
|
||||
// }
|
||||
// }
|
||||
//
|
||||
// // Write modified result to the Groups track container JSON file
|
||||
// err = group.WriteGroup()
|
||||
// if err != nil {
|
||||
// return err
|
||||
// }
|
||||
//
|
||||
// return nil
|
||||
//}
|
||||
|
||||
@@ -1,220 +1,210 @@
|
||||
package client
|
||||
|
||||
import (
|
||||
"encoding/json"
|
||||
"errors"
|
||||
"fmt"
|
||||
"github.com/Akilan1999/p2p-rendering-computation/config"
|
||||
"github.com/Akilan1999/p2p-rendering-computation/server/docker"
|
||||
"io/ioutil"
|
||||
"os"
|
||||
)
|
||||
|
||||
// TrackContainers This struct stores arrays of current containers running
|
||||
type TrackContainers struct {
|
||||
TrackContainerList []TrackContainer `json:"TrackContainer"`
|
||||
}
|
||||
|
||||
// TrackContainer Stores information of current containers
|
||||
type TrackContainer struct {
|
||||
Id string `json:"ID"`
|
||||
Container *docker.DockerVM `json:"Container"`
|
||||
IpAddress string `json:"IpAddress"`
|
||||
}
|
||||
|
||||
// AddTrackContainer Adds new container which has been added to the track container
|
||||
func AddTrackContainer(d *docker.DockerVM, ipAddress string) error {
|
||||
// Checking if pointer d is null
|
||||
if d == nil {
|
||||
return errors.New("d is nil")
|
||||
}
|
||||
//Get config information to derive paths for track containers json file
|
||||
config, err := config.ConfigInit(nil, nil)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
// Getting information about the file trackcontainers.json file
|
||||
stat, err := os.Stat(config.TrackContainersPath)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
// Initialize variable for TrackContainers
|
||||
var trackContainers TrackContainers
|
||||
// If the trackcontainers.json file is not empty then
|
||||
// Read from that file
|
||||
if stat.Size() != 0 {
|
||||
// Reads tracked container file
|
||||
trackContainersFile, err := ReadTrackContainers(config.TrackContainersPath)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
trackContainers = *trackContainersFile
|
||||
}
|
||||
|
||||
// Initialize new variable with type struct TrackContainers and
|
||||
// add container struct and ip address
|
||||
var trackContainer TrackContainer
|
||||
trackContainer.Id = d.ID
|
||||
trackContainer.Container = d
|
||||
trackContainer.IpAddress = ipAddress
|
||||
|
||||
// Adds new container as passed in the parameter to the struct
|
||||
if &trackContainer == nil {
|
||||
return errors.New("trackContainer variable is nil")
|
||||
}
|
||||
trackContainers.TrackContainerList = append(trackContainers.TrackContainerList, trackContainer)
|
||||
|
||||
// write modified information to the tracked json file
|
||||
data, err := json.MarshalIndent(trackContainers, "", "\t")
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
err = ioutil.WriteFile(config.TrackContainersPath, data, 0777)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
// RemoveTrackedContainer This function removos tracked container from the trackcontainer JSON file
|
||||
func RemoveTrackedContainer(id string) error {
|
||||
//Get config information to derive paths for track containers json file
|
||||
config, err := config.ConfigInit(nil, nil)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
// Getting tracked container struct
|
||||
trackedContainers, err := ReadTrackContainers(config.TrackContainersPath)
|
||||
// Storing index of element to remove
|
||||
var removeElement int
|
||||
removeElement = -1
|
||||
for i := range trackedContainers.TrackContainerList {
|
||||
if trackedContainers.TrackContainerList[i].Id == id {
|
||||
removeElement = i
|
||||
break
|
||||
}
|
||||
}
|
||||
// Checks if the element to be removed has been detected
|
||||
if removeElement == -1 {
|
||||
return errors.New("Container ID not found in the tracked list")
|
||||
}
|
||||
// Remove the detected element from the struct
|
||||
trackedContainers.TrackContainerList = append(trackedContainers.TrackContainerList[:removeElement], trackedContainers.TrackContainerList[removeElement+1:]...)
|
||||
|
||||
// write modified information to the tracked json file
|
||||
data, err := json.MarshalIndent(trackedContainers, "", "\t")
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
err = ioutil.WriteFile(config.TrackContainersPath, data, 0777)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
// ViewTrackedContainers View Containers currently tracked
|
||||
func ViewTrackedContainers() (error, *TrackContainers) {
|
||||
config, err := config.ConfigInit(nil, nil)
|
||||
if err != nil {
|
||||
return err, nil
|
||||
}
|
||||
trackedContianers, err := ReadTrackContainers(config.TrackContainersPath)
|
||||
if err != nil {
|
||||
return err, nil
|
||||
}
|
||||
|
||||
return nil, trackedContianers
|
||||
}
|
||||
|
||||
// ReadTrackContainers Reads containers which are currently tracked
|
||||
func ReadTrackContainers(filename string) (*TrackContainers, error) {
|
||||
buf, err := ioutil.ReadFile(filename)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
c := &TrackContainers{}
|
||||
err = json.Unmarshal(buf, c)
|
||||
if err != nil {
|
||||
return nil, fmt.Errorf("in file %q: %v", filename, err)
|
||||
}
|
||||
|
||||
return c, nil
|
||||
}
|
||||
|
||||
//func ModifyTrackContainers()
|
||||
|
||||
// GetContainerInformation gets information about container based on
|
||||
// container ID provided
|
||||
func GetContainerInformation(ID string) (*TrackContainer, error) {
|
||||
// Getting the current containers
|
||||
err, CurrentContainers := ViewTrackedContainers()
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
// Iterating through all tracked containers to get the container information
|
||||
// of the ID passed through the function parameter
|
||||
for _, container := range CurrentContainers.TrackContainerList {
|
||||
if container.Container.ID == ID {
|
||||
return &container, nil
|
||||
}
|
||||
}
|
||||
return nil, errors.New("Container not found. ")
|
||||
}
|
||||
|
||||
// ModifyContainerInformation Modifies information inside the container
|
||||
func (TC *TrackContainer) ModifyContainerInformation() error {
|
||||
// Gets all the information of tracker containers
|
||||
err, t := ViewTrackedContainers()
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
// Find the element where the containers match and
|
||||
// change them
|
||||
for i, container := range t.TrackContainerList {
|
||||
if TC.Id == container.Id {
|
||||
t.TrackContainerList[i] = *TC
|
||||
break
|
||||
}
|
||||
}
|
||||
// Write the modified information to the file
|
||||
// write modified information to the tracked json file
|
||||
err = t.WriteContainers()
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
// WriteContainers Write information back to the config file
|
||||
func (TC *TrackContainers) WriteContainers() error {
|
||||
// Initialize config file
|
||||
config, err := config.ConfigInit(nil, nil)
|
||||
// write modified information to the tracked json file
|
||||
data, err := json.MarshalIndent(TC, "", "\t")
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
err = ioutil.WriteFile(config.TrackContainersPath, data, 0777)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
// CheckID Checks if the ID belongs to a group or a single container
|
||||
func CheckID(ID string) (string, error) {
|
||||
// For group checks if the 1st characters is "grp"
|
||||
if ID[0:3] == "grp" {
|
||||
return "group", nil
|
||||
} else {
|
||||
return "container", nil
|
||||
}
|
||||
return "", nil
|
||||
}
|
||||
//// TrackContainers This struct stores arrays of current containers running
|
||||
//type TrackContainers struct {
|
||||
// TrackContainerList []TrackContainer `json:"TrackContainer"`
|
||||
//}
|
||||
//
|
||||
//// TrackContainer Stores information of current containers
|
||||
//type TrackContainer struct {
|
||||
// Id string `json:"ID"`
|
||||
// Container *docker.DockerVM `json:"Container"`
|
||||
// IpAddress string `json:"IpAddress"`
|
||||
//}
|
||||
//
|
||||
//// AddTrackContainer Adds new container which has been added to the track container
|
||||
//func AddTrackContainer(d *docker.DockerVM, ipAddress string) error {
|
||||
// // Checking if pointer d is null
|
||||
// if d == nil {
|
||||
// return errors.New("d is nil")
|
||||
// }
|
||||
// //Get config information to derive paths for track containers json file
|
||||
// config, err := config.ConfigInit(nil, nil)
|
||||
// if err != nil {
|
||||
// return err
|
||||
// }
|
||||
//
|
||||
// // Getting information about the file trackcontainers.json file
|
||||
// stat, err := os.Stat(config.TrackContainersPath)
|
||||
// if err != nil {
|
||||
// return err
|
||||
// }
|
||||
// // Initialize variable for TrackContainers
|
||||
// var trackContainers TrackContainers
|
||||
// // If the trackcontainers.json file is not empty then
|
||||
// // Read from that file
|
||||
// if stat.Size() != 0 {
|
||||
// // Reads tracked container file
|
||||
// trackContainersFile, err := ReadTrackContainers(config.TrackContainersPath)
|
||||
// if err != nil {
|
||||
// return err
|
||||
// }
|
||||
// trackContainers = *trackContainersFile
|
||||
// }
|
||||
//
|
||||
// // Initialize new variable with type struct TrackContainers and
|
||||
// // add container struct and ip address
|
||||
// var trackContainer TrackContainer
|
||||
// trackContainer.Id = d.ID
|
||||
// trackContainer.Container = d
|
||||
// trackContainer.IpAddress = ipAddress
|
||||
//
|
||||
// // Adds new container as passed in the parameter to the struct
|
||||
// if &trackContainer == nil {
|
||||
// return errors.New("trackContainer variable is nil")
|
||||
// }
|
||||
// trackContainers.TrackContainerList = append(trackContainers.TrackContainerList, trackContainer)
|
||||
//
|
||||
// // write modified information to the tracked json file
|
||||
// data, err := json.MarshalIndent(trackContainers, "", "\t")
|
||||
// if err != nil {
|
||||
// return err
|
||||
// }
|
||||
// err = ioutil.WriteFile(config.TrackContainersPath, data, 0777)
|
||||
// if err != nil {
|
||||
// return err
|
||||
// }
|
||||
//
|
||||
// return nil
|
||||
//}
|
||||
//
|
||||
//// RemoveTrackedContainer This function removos tracked container from the trackcontainer JSON file
|
||||
//func RemoveTrackedContainer(id string) error {
|
||||
// //Get config information to derive paths for track containers json file
|
||||
// config, err := config.ConfigInit(nil, nil)
|
||||
// if err != nil {
|
||||
// return err
|
||||
// }
|
||||
// // Getting tracked container struct
|
||||
// trackedContainers, err := ReadTrackContainers(config.TrackContainersPath)
|
||||
// // Storing index of element to remove
|
||||
// var removeElement int
|
||||
// removeElement = -1
|
||||
// for i := range trackedContainers.TrackContainerList {
|
||||
// if trackedContainers.TrackContainerList[i].Id == id {
|
||||
// removeElement = i
|
||||
// break
|
||||
// }
|
||||
// }
|
||||
// // Checks if the element to be removed has been detected
|
||||
// if removeElement == -1 {
|
||||
// return errors.New("Container ID not found in the tracked list")
|
||||
// }
|
||||
// // Remove the detected element from the struct
|
||||
// trackedContainers.TrackContainerList = append(trackedContainers.TrackContainerList[:removeElement], trackedContainers.TrackContainerList[removeElement+1:]...)
|
||||
//
|
||||
// // write modified information to the tracked json file
|
||||
// data, err := json.MarshalIndent(trackedContainers, "", "\t")
|
||||
// if err != nil {
|
||||
// return err
|
||||
// }
|
||||
// err = ioutil.WriteFile(config.TrackContainersPath, data, 0777)
|
||||
// if err != nil {
|
||||
// return err
|
||||
// }
|
||||
//
|
||||
// return nil
|
||||
//}
|
||||
//
|
||||
//// ViewTrackedContainers View Containers currently tracked
|
||||
//func ViewTrackedContainers() (error, *TrackContainers) {
|
||||
// config, err := config.ConfigInit(nil, nil)
|
||||
// if err != nil {
|
||||
// return err, nil
|
||||
// }
|
||||
// trackedContianers, err := ReadTrackContainers(config.TrackContainersPath)
|
||||
// if err != nil {
|
||||
// return err, nil
|
||||
// }
|
||||
//
|
||||
// return nil, trackedContianers
|
||||
//}
|
||||
//
|
||||
//// ReadTrackContainers Reads containers which are currently tracked
|
||||
//func ReadTrackContainers(filename string) (*TrackContainers, error) {
|
||||
// buf, err := ioutil.ReadFile(filename)
|
||||
// if err != nil {
|
||||
// return nil, err
|
||||
// }
|
||||
//
|
||||
// c := &TrackContainers{}
|
||||
// err = json.Unmarshal(buf, c)
|
||||
// if err != nil {
|
||||
// return nil, fmt.Errorf("in file %q: %v", filename, err)
|
||||
// }
|
||||
//
|
||||
// return c, nil
|
||||
//}
|
||||
//
|
||||
////func ModifyTrackContainers()
|
||||
//
|
||||
//// GetContainerInformation gets information about container based on
|
||||
//// container ID provided
|
||||
//func GetContainerInformation(ID string) (*TrackContainer, error) {
|
||||
// // Getting the current containers
|
||||
// err, CurrentContainers := ViewTrackedContainers()
|
||||
// if err != nil {
|
||||
// return nil, err
|
||||
// }
|
||||
// // Iterating through all tracked containers to get the container information
|
||||
// // of the ID passed through the function parameter
|
||||
// for _, container := range CurrentContainers.TrackContainerList {
|
||||
// if container.Container.ID == ID {
|
||||
// return &container, nil
|
||||
// }
|
||||
// }
|
||||
// return nil, errors.New("Container not found. ")
|
||||
//}
|
||||
//
|
||||
//// ModifyContainerInformation Modifies information inside the container
|
||||
//func (TC *TrackContainer) ModifyContainerInformation() error {
|
||||
// // Gets all the information of tracker containers
|
||||
// err, t := ViewTrackedContainers()
|
||||
// if err != nil {
|
||||
// return err
|
||||
// }
|
||||
// // Find the element where the containers match and
|
||||
// // change them
|
||||
// for i, container := range t.TrackContainerList {
|
||||
// if TC.Id == container.Id {
|
||||
// t.TrackContainerList[i] = *TC
|
||||
// break
|
||||
// }
|
||||
// }
|
||||
// // Write the modified information to the file
|
||||
// // write modified information to the tracked json file
|
||||
// err = t.WriteContainers()
|
||||
// if err != nil {
|
||||
// return err
|
||||
// }
|
||||
//
|
||||
// return nil
|
||||
//}
|
||||
//
|
||||
//// WriteContainers Write information back to the config file
|
||||
//func (TC *TrackContainers) WriteContainers() error {
|
||||
// // Initialize config file
|
||||
// config, err := config.ConfigInit(nil, nil)
|
||||
// // write modified information to the tracked json file
|
||||
// data, err := json.MarshalIndent(TC, "", "\t")
|
||||
// if err != nil {
|
||||
// return err
|
||||
// }
|
||||
// err = ioutil.WriteFile(config.TrackContainersPath, data, 0777)
|
||||
// if err != nil {
|
||||
// return err
|
||||
// }
|
||||
//
|
||||
// return nil
|
||||
//}
|
||||
//
|
||||
//// CheckID Checks if the ID belongs to a group or a single container
|
||||
//func CheckID(ID string) (string, error) {
|
||||
// // For group checks if the 1st characters is "grp"
|
||||
// if ID[0:3] == "grp" {
|
||||
// return "group", nil
|
||||
// } else {
|
||||
// return "container", nil
|
||||
// }
|
||||
// return "", nil
|
||||
//}
|
||||
|
||||
@@ -1,192 +1,180 @@
|
||||
package client
|
||||
|
||||
import (
|
||||
b64 "encoding/base64"
|
||||
"encoding/json"
|
||||
"fmt"
|
||||
"github.com/Akilan1999/p2p-rendering-computation/config"
|
||||
"github.com/Akilan1999/p2p-rendering-computation/p2p"
|
||||
"github.com/Akilan1999/p2p-rendering-computation/server/docker"
|
||||
"io/ioutil"
|
||||
"net/http"
|
||||
"strconv"
|
||||
)
|
||||
|
||||
var (
|
||||
serverPort = "8088"
|
||||
client = http.Client{}
|
||||
)
|
||||
|
||||
// StartContainer Start container using REST api Implementation
|
||||
// From the selected server IP address
|
||||
// TODO: Test cases for this function
|
||||
// Calls URL ex: http://0.0.0.0:8088/startcontainer?ports=0&GPU=false&ContainerName=docker-ubuntu-sshd
|
||||
func StartContainer(IP string, NumPorts int, GPU bool, ContainerName string, baseImage string) (*docker.DockerVM, error) {
|
||||
// Passes URL with number of TCP ports to allocated and to give GPU access to the docker container
|
||||
var URL string
|
||||
//version := p2p.Ip4or6(IP)
|
||||
//
|
||||
////Get port number of the server
|
||||
//serverPort, err := GetServerPort(IP)
|
||||
//if err != nil {
|
||||
// return nil, err
|
||||
//}
|
||||
|
||||
//if version == "version 6" {
|
||||
// URL = "http://[" + IP + "]:" + serverPort + "/startcontainer?ports=" + fmt.Sprint(NumPorts) + "&GPU=" + strconv.FormatBool(GPU) + "&ContainerName=" + ContainerName
|
||||
//} else {
|
||||
// Get config information
|
||||
Config, err := config.ConfigInit(nil, nil)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
// Get public key
|
||||
PublicKey, err := Config.GetPublicKey()
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
// Used in URL to pass public key -> b64.StdEncoding.EncodeToString([]byte(PublicKey))
|
||||
URL = `http://` + IP + `/startcontainer?ports=` + fmt.Sprint(NumPorts) + `&GPU=` + strconv.FormatBool(GPU) + `&ContainerName=` + ContainerName + `&BaseImage=` + baseImage + `&PublicKey=` + b64.StdEncoding.EncodeToString([]byte(PublicKey))
|
||||
|
||||
// Encode URL due to public key passed.
|
||||
resp, err := http.Get(URL)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
// Convert response to byte value
|
||||
byteValue, err := ioutil.ReadAll(resp.Body)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
// Create variable for result response type
|
||||
var dockerResult docker.DockerVM
|
||||
|
||||
// Adds byte value to docker.DockerVM struct
|
||||
json.Unmarshal(byteValue, &dockerResult)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
// Adds the container to the tracked list
|
||||
err = AddTrackContainer(&dockerResult, IP)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
return &dockerResult, nil
|
||||
}
|
||||
|
||||
// RemoveContianer Stops and removes container from the server
|
||||
func RemoveContianer(IP string, ID string) error {
|
||||
var URL string
|
||||
//version := p2p.Ip4or6(IP)
|
||||
//
|
||||
////Get port number of the server
|
||||
//serverPort, err := GetServerPort(IP)
|
||||
//if err != nil {
|
||||
// return err
|
||||
//}
|
||||
|
||||
//if version == "version 6" {
|
||||
// URL = "http://[" + IP + "]:" + serverPort + "/RemoveContainer?id=" + ID
|
||||
//} else {
|
||||
URL = "http://" + IP + "/RemoveContainer?id=" + ID
|
||||
//}
|
||||
resp, err := http.Get(URL)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
// Convert response to byte value
|
||||
byteValue, err := ioutil.ReadAll(resp.Body)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
// Checks if success is returned in the body
|
||||
if string(byteValue[:]) == "success" {
|
||||
fmt.Println("success")
|
||||
}
|
||||
|
||||
// Remove container from groups it exists in
|
||||
err = RemoveContainerGroups(ID)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
// Remove container created from the tracked list
|
||||
err = RemoveTrackedContainer(ID)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
// ViewContainers This function displays all containers available on server side
|
||||
func ViewContainers(IP string) (*docker.DockerContainers, error) {
|
||||
// Passes URL with route /ShowImages
|
||||
var URL string
|
||||
//version := p2p.Ip4or6(IP)
|
||||
//
|
||||
////Get port number of the server
|
||||
//serverPort, err := GetServerPort(IP)
|
||||
//if err != nil {
|
||||
// return nil, err
|
||||
//}
|
||||
|
||||
//if version == "version 6" {
|
||||
// URL = "http://[" + IP + "]:" + serverPort + "/ShowImages"
|
||||
//} else {
|
||||
URL = "http://" + IP + "/ShowImages"
|
||||
//}
|
||||
resp, err := http.Get(URL)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
// Convert response to byte value
|
||||
byteValue, err := ioutil.ReadAll(resp.Body)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
// Create variable for result response type
|
||||
var Result docker.DockerContainers
|
||||
|
||||
// Adds byte value to docker.DockerContainers struct
|
||||
json.Unmarshal(byteValue, &Result)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
return &Result, nil
|
||||
}
|
||||
|
||||
// GetServerPort Helper function to do find out server port information
|
||||
func GetServerPort(IpAddress string) (string, error) {
|
||||
// Getting information from the clients ip table
|
||||
ipTable, err := p2p.ReadIpTable()
|
||||
if err != nil {
|
||||
return "", err
|
||||
}
|
||||
|
||||
// Iterate thorough ip table struct and find
|
||||
// out which port is for the ip address provided
|
||||
// in the parameter of the function
|
||||
for _, address := range ipTable.IpAddress {
|
||||
// If we found a match then return a port
|
||||
if address.Ipv4 == IpAddress || address.Ipv6 == IpAddress {
|
||||
return address.ServerPort, nil
|
||||
}
|
||||
}
|
||||
|
||||
// We return default port
|
||||
return "8088", nil
|
||||
}
|
||||
//var (
|
||||
// serverPort = "8088"
|
||||
// client = http.Client{}
|
||||
//)
|
||||
//
|
||||
//// StartContainer Start container using REST api Implementation
|
||||
//// From the selected server IP address
|
||||
//// TODO: Test cases for this function
|
||||
//// Calls URL ex: http://0.0.0.0:8088/startcontainer?ports=0&GPU=false&ContainerName=docker-ubuntu-sshd
|
||||
//func StartContainer(IP string, NumPorts int, GPU bool, ContainerName string, baseImage string) (*docker.DockerVM, error) {
|
||||
// // Passes URL with number of TCP ports to allocated and to give GPU access to the docker container
|
||||
// var URL string
|
||||
// //version := p2p.Ip4or6(IP)
|
||||
// //
|
||||
// ////Get port number of the server
|
||||
// //serverPort, err := GetServerPort(IP)
|
||||
// //if err != nil {
|
||||
// // return nil, err
|
||||
// //}
|
||||
//
|
||||
// //if version == "version 6" {
|
||||
// // URL = "http://[" + IP + "]:" + serverPort + "/startcontainer?ports=" + fmt.Sprint(NumPorts) + "&GPU=" + strconv.FormatBool(GPU) + "&ContainerName=" + ContainerName
|
||||
// //} else {
|
||||
// // Get config information
|
||||
// Config, err := config.ConfigInit(nil, nil)
|
||||
// if err != nil {
|
||||
// return nil, err
|
||||
// }
|
||||
//
|
||||
// // Get public key
|
||||
// PublicKey, err := Config.GetPublicKey()
|
||||
// if err != nil {
|
||||
// return nil, err
|
||||
// }
|
||||
//
|
||||
// // Used in URL to pass public key -> b64.StdEncoding.EncodeToString([]byte(PublicKey))
|
||||
// URL = `http://` + IP + `/startcontainer?ports=` + fmt.Sprint(NumPorts) + `&GPU=` + strconv.FormatBool(GPU) + `&ContainerName=` + ContainerName + `&BaseImage=` + baseImage + `&PublicKey=` + b64.StdEncoding.EncodeToString([]byte(PublicKey))
|
||||
//
|
||||
// // Encode URL due to public key passed.
|
||||
// resp, err := http.Get(URL)
|
||||
// if err != nil {
|
||||
// return nil, err
|
||||
// }
|
||||
//
|
||||
// // Convert response to byte value
|
||||
// byteValue, err := ioutil.ReadAll(resp.Body)
|
||||
// if err != nil {
|
||||
// return nil, err
|
||||
// }
|
||||
//
|
||||
// // Create variable for result response type
|
||||
// var dockerResult docker.DockerVM
|
||||
//
|
||||
// // Adds byte value to docker.DockerVM struct
|
||||
// json.Unmarshal(byteValue, &dockerResult)
|
||||
// if err != nil {
|
||||
// return nil, err
|
||||
// }
|
||||
//
|
||||
// // Adds the container to the tracked list
|
||||
// err = AddTrackContainer(&dockerResult, IP)
|
||||
// if err != nil {
|
||||
// return nil, err
|
||||
// }
|
||||
//
|
||||
// return &dockerResult, nil
|
||||
//}
|
||||
//
|
||||
//// RemoveContianer Stops and removes container from the server
|
||||
//func RemoveContianer(IP string, ID string) error {
|
||||
// var URL string
|
||||
// //version := p2p.Ip4or6(IP)
|
||||
// //
|
||||
// ////Get port number of the server
|
||||
// //serverPort, err := GetServerPort(IP)
|
||||
// //if err != nil {
|
||||
// // return err
|
||||
// //}
|
||||
//
|
||||
// //if version == "version 6" {
|
||||
// // URL = "http://[" + IP + "]:" + serverPort + "/RemoveContainer?id=" + ID
|
||||
// //} else {
|
||||
// URL = "http://" + IP + "/RemoveContainer?id=" + ID
|
||||
// //}
|
||||
// resp, err := http.Get(URL)
|
||||
// if err != nil {
|
||||
// return err
|
||||
// }
|
||||
//
|
||||
// // Convert response to byte value
|
||||
// byteValue, err := ioutil.ReadAll(resp.Body)
|
||||
// if err != nil {
|
||||
// return err
|
||||
// }
|
||||
//
|
||||
// // Checks if success is returned in the body
|
||||
// if string(byteValue[:]) == "success" {
|
||||
// fmt.Println("success")
|
||||
// }
|
||||
//
|
||||
// // Remove container from groups it exists in
|
||||
// err = RemoveContainerGroups(ID)
|
||||
// if err != nil {
|
||||
// return err
|
||||
// }
|
||||
// // Remove container created from the tracked list
|
||||
// err = RemoveTrackedContainer(ID)
|
||||
// if err != nil {
|
||||
// return err
|
||||
// }
|
||||
//
|
||||
// return nil
|
||||
//}
|
||||
//
|
||||
//// ViewContainers This function displays all containers available on server side
|
||||
//func ViewContainers(IP string) (*docker.DockerContainers, error) {
|
||||
// // Passes URL with route /ShowImages
|
||||
// var URL string
|
||||
// //version := p2p.Ip4or6(IP)
|
||||
// //
|
||||
// ////Get port number of the server
|
||||
// //serverPort, err := GetServerPort(IP)
|
||||
// //if err != nil {
|
||||
// // return nil, err
|
||||
// //}
|
||||
//
|
||||
// //if version == "version 6" {
|
||||
// // URL = "http://[" + IP + "]:" + serverPort + "/ShowImages"
|
||||
// //} else {
|
||||
// URL = "http://" + IP + "/ShowImages"
|
||||
// //}
|
||||
// resp, err := http.Get(URL)
|
||||
// if err != nil {
|
||||
// return nil, err
|
||||
// }
|
||||
//
|
||||
// // Convert response to byte value
|
||||
// byteValue, err := ioutil.ReadAll(resp.Body)
|
||||
// if err != nil {
|
||||
// return nil, err
|
||||
// }
|
||||
//
|
||||
// // Create variable for result response type
|
||||
// var Result docker.DockerContainers
|
||||
//
|
||||
// // Adds byte value to docker.DockerContainers struct
|
||||
// json.Unmarshal(byteValue, &Result)
|
||||
// if err != nil {
|
||||
// return nil, err
|
||||
// }
|
||||
//
|
||||
// return &Result, nil
|
||||
//}
|
||||
//
|
||||
//// GetServerPort Helper function to do find out server port information
|
||||
//func GetServerPort(IpAddress string) (string, error) {
|
||||
// // Getting information from the clients ip table
|
||||
// ipTable, err := p2p.ReadIpTable()
|
||||
// if err != nil {
|
||||
// return "", err
|
||||
// }
|
||||
//
|
||||
// // Iterate thorough ip table struct and find
|
||||
// // out which port is for the ip address provided
|
||||
// // in the parameter of the function
|
||||
// for _, address := range ipTable.IpAddress {
|
||||
// // If we found a match then return a port
|
||||
// if address.Ipv4 == IpAddress || address.Ipv6 == IpAddress {
|
||||
// return address.ServerPort, nil
|
||||
// }
|
||||
// }
|
||||
//
|
||||
// // We return default port
|
||||
// return "8088", nil
|
||||
//}
|
||||
|
||||
// PrintStartContainer Prints results Generated container
|
||||
//func PrintStartContainer(d *docker.DockerVM){
|
||||
|
||||
Reference in New Issue
Block a user