From 4d634aaf7052722d89495265a9577a13281261a0 Mon Sep 17 00:00:00 2001 From: Rob Dobson Date: Mon, 10 Nov 2014 18:16:02 +0000 Subject: [PATCH] Initial plugin for building XenServer images using Packer.IO Signed-off-by: Rob Dobson --- .gitignore | 2 + LICENSE | 373 ++++++++++++ build.sh | 1 + builder/xenserver/artifact.go | 57 ++ builder/xenserver/builder.go | 323 ++++++++++- builder/xenserver/client.go | 530 ++++++++++++++++++ builder/xenserver/ssh.go | 39 ++ builder/xenserver/step_boot_wait.go | 30 + builder/xenserver/step_create_instance.go | 80 +++ .../step_forward_vnc_port_over_ssh.go | 143 +++++ builder/xenserver/step_http_server.go | 78 +++ builder/xenserver/step_prepare_output_dir.go | 51 ++ builder/xenserver/step_shutdown_and_export.go | 100 ++++ builder/xenserver/step_start_vm_paused.go | 30 + builder/xenserver/step_type_boot_command.go | 185 ++++++ builder/xenserver/step_upload_iso.go | 79 +++ builder/xenserver/step_wait.go | 96 ++++ 17 files changed, 2177 insertions(+), 20 deletions(-) create mode 100644 .gitignore create mode 100644 LICENSE create mode 100755 build.sh create mode 100644 builder/xenserver/artifact.go create mode 100644 builder/xenserver/client.go create mode 100644 builder/xenserver/ssh.go create mode 100644 builder/xenserver/step_boot_wait.go create mode 100644 builder/xenserver/step_create_instance.go create mode 100644 builder/xenserver/step_forward_vnc_port_over_ssh.go create mode 100644 builder/xenserver/step_http_server.go create mode 100644 builder/xenserver/step_prepare_output_dir.go create mode 100644 builder/xenserver/step_shutdown_and_export.go create mode 100644 builder/xenserver/step_start_vm_paused.go create mode 100644 builder/xenserver/step_type_boot_command.go create mode 100644 builder/xenserver/step_upload_iso.go create mode 100644 builder/xenserver/step_wait.go diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..d38c149 --- /dev/null +++ b/.gitignore @@ -0,0 +1,2 @@ +*.swp +*~ diff --git a/LICENSE b/LICENSE new file mode 100644 index 0000000..a612ad9 --- /dev/null +++ b/LICENSE @@ -0,0 +1,373 @@ +Mozilla Public License Version 2.0 +================================== + +1. Definitions +-------------- + +1.1. "Contributor" + means each individual or legal entity that creates, contributes to + the creation of, or owns Covered Software. + +1.2. "Contributor Version" + means the combination of the Contributions of others (if any) used + by a Contributor and that particular Contributor's Contribution. + +1.3. "Contribution" + means Covered Software of a particular Contributor. + +1.4. "Covered Software" + means Source Code Form to which the initial Contributor has attached + the notice in Exhibit A, the Executable Form of such Source Code + Form, and Modifications of such Source Code Form, in each case + including portions thereof. + +1.5. "Incompatible With Secondary Licenses" + means + + (a) that the initial Contributor has attached the notice described + in Exhibit B to the Covered Software; or + + (b) that the Covered Software was made available under the terms of + version 1.1 or earlier of the License, but not also under the + terms of a Secondary License. + +1.6. "Executable Form" + means any form of the work other than Source Code Form. + +1.7. "Larger Work" + means a work that combines Covered Software with other material, in + a separate file or files, that is not Covered Software. + +1.8. "License" + means this document. + +1.9. "Licensable" + means having the right to grant, to the maximum extent possible, + whether at the time of the initial grant or subsequently, any and + all of the rights conveyed by this License. + +1.10. "Modifications" + means any of the following: + + (a) any file in Source Code Form that results from an addition to, + deletion from, or modification of the contents of Covered + Software; or + + (b) any new file in Source Code Form that contains any Covered + Software. + +1.11. "Patent Claims" of a Contributor + means any patent claim(s), including without limitation, method, + process, and apparatus claims, in any patent Licensable by such + Contributor that would be infringed, but for the grant of the + License, by the making, using, selling, offering for sale, having + made, import, or transfer of either its Contributions or its + Contributor Version. + +1.12. "Secondary License" + means either the GNU General Public License, Version 2.0, the GNU + Lesser General Public License, Version 2.1, the GNU Affero General + Public License, Version 3.0, or any later versions of those + licenses. + +1.13. "Source Code Form" + means the form of the work preferred for making modifications. + +1.14. "You" (or "Your") + means an individual or a legal entity exercising rights under this + License. For legal entities, "You" includes any entity that + controls, is controlled by, or is under common control with You. For + purposes of this definition, "control" means (a) the power, direct + or indirect, to cause the direction or management of such entity, + whether by contract or otherwise, or (b) ownership of more than + fifty percent (50%) of the outstanding shares or beneficial + ownership of such entity. + +2. License Grants and Conditions +-------------------------------- + +2.1. Grants + +Each Contributor hereby grants You a world-wide, royalty-free, +non-exclusive license: + +(a) under intellectual property rights (other than patent or trademark) + Licensable by such Contributor to use, reproduce, make available, + modify, display, perform, distribute, and otherwise exploit its + Contributions, either on an unmodified basis, with Modifications, or + as part of a Larger Work; and + +(b) under Patent Claims of such Contributor to make, use, sell, offer + for sale, have made, import, and otherwise transfer either its + Contributions or its Contributor Version. + +2.2. Effective Date + +The licenses granted in Section 2.1 with respect to any Contribution +become effective for each Contribution on the date the Contributor first +distributes such Contribution. + +2.3. Limitations on Grant Scope + +The licenses granted in this Section 2 are the only rights granted under +this License. No additional rights or licenses will be implied from the +distribution or licensing of Covered Software under this License. +Notwithstanding Section 2.1(b) above, no patent license is granted by a +Contributor: + +(a) for any code that a Contributor has removed from Covered Software; + or + +(b) for infringements caused by: (i) Your and any other third party's + modifications of Covered Software, or (ii) the combination of its + Contributions with other software (except as part of its Contributor + Version); or + +(c) under Patent Claims infringed by Covered Software in the absence of + its Contributions. + +This License does not grant any rights in the trademarks, service marks, +or logos of any Contributor (except as may be necessary to comply with +the notice requirements in Section 3.4). + +2.4. Subsequent Licenses + +No Contributor makes additional grants as a result of Your choice to +distribute the Covered Software under a subsequent version of this +License (see Section 10.2) or under the terms of a Secondary License (if +permitted under the terms of Section 3.3). + +2.5. Representation + +Each Contributor represents that the Contributor believes its +Contributions are its original creation(s) or it has sufficient rights +to grant the rights to its Contributions conveyed by this License. + +2.6. Fair Use + +This License is not intended to limit any rights You have under +applicable copyright doctrines of fair use, fair dealing, or other +equivalents. + +2.7. Conditions + +Sections 3.1, 3.2, 3.3, and 3.4 are conditions of the licenses granted +in Section 2.1. + +3. Responsibilities +------------------- + +3.1. Distribution of Source Form + +All distribution of Covered Software in Source Code Form, including any +Modifications that You create or to which You contribute, must be under +the terms of this License. You must inform recipients that the Source +Code Form of the Covered Software is governed by the terms of this +License, and how they can obtain a copy of this License. You may not +attempt to alter or restrict the recipients' rights in the Source Code +Form. + +3.2. Distribution of Executable Form + +If You distribute Covered Software in Executable Form then: + +(a) such Covered Software must also be made available in Source Code + Form, as described in Section 3.1, and You must inform recipients of + the Executable Form how they can obtain a copy of such Source Code + Form by reasonable means in a timely manner, at a charge no more + than the cost of distribution to the recipient; and + +(b) You may distribute such Executable Form under the terms of this + License, or sublicense it under different terms, provided that the + license for the Executable Form does not attempt to limit or alter + the recipients' rights in the Source Code Form under this License. + +3.3. Distribution of a Larger Work + +You may create and distribute a Larger Work under terms of Your choice, +provided that You also comply with the requirements of this License for +the Covered Software. If the Larger Work is a combination of Covered +Software with a work governed by one or more Secondary Licenses, and the +Covered Software is not Incompatible With Secondary Licenses, this +License permits You to additionally distribute such Covered Software +under the terms of such Secondary License(s), so that the recipient of +the Larger Work may, at their option, further distribute the Covered +Software under the terms of either this License or such Secondary +License(s). + +3.4. Notices + +You may not remove or alter the substance of any license notices +(including copyright notices, patent notices, disclaimers of warranty, +or limitations of liability) contained within the Source Code Form of +the Covered Software, except that You may alter any license notices to +the extent required to remedy known factual inaccuracies. + +3.5. Application of Additional Terms + +You may choose to offer, and to charge a fee for, warranty, support, +indemnity or liability obligations to one or more recipients of Covered +Software. However, You may do so only on Your own behalf, and not on +behalf of any Contributor. You must make it absolutely clear that any +such warranty, support, indemnity, or liability obligation is offered by +You alone, and You hereby agree to indemnify every Contributor for any +liability incurred by such Contributor as a result of warranty, support, +indemnity or liability terms You offer. You may include additional +disclaimers of warranty and limitations of liability specific to any +jurisdiction. + +4. Inability to Comply Due to Statute or Regulation +--------------------------------------------------- + +If it is impossible for You to comply with any of the terms of this +License with respect to some or all of the Covered Software due to +statute, judicial order, or regulation then You must: (a) comply with +the terms of this License to the maximum extent possible; and (b) +describe the limitations and the code they affect. Such description must +be placed in a text file included with all distributions of the Covered +Software under this License. Except to the extent prohibited by statute +or regulation, such description must be sufficiently detailed for a +recipient of ordinary skill to be able to understand it. + +5. Termination +-------------- + +5.1. The rights granted under this License will terminate automatically +if You fail to comply with any of its terms. However, if You become +compliant, then the rights granted under this License from a particular +Contributor are reinstated (a) provisionally, unless and until such +Contributor explicitly and finally terminates Your grants, and (b) on an +ongoing basis, if such Contributor fails to notify You of the +non-compliance by some reasonable means prior to 60 days after You have +come back into compliance. Moreover, Your grants from a particular +Contributor are reinstated on an ongoing basis if such Contributor +notifies You of the non-compliance by some reasonable means, this is the +first time You have received notice of non-compliance with this License +from such Contributor, and You become compliant prior to 30 days after +Your receipt of the notice. + +5.2. If You initiate litigation against any entity by asserting a patent +infringement claim (excluding declaratory judgment actions, +counter-claims, and cross-claims) alleging that a Contributor Version +directly or indirectly infringes any patent, then the rights granted to +You by any and all Contributors for the Covered Software under Section +2.1 of this License shall terminate. + +5.3. In the event of termination under Sections 5.1 or 5.2 above, all +end user license agreements (excluding distributors and resellers) which +have been validly granted by You or Your distributors under this License +prior to termination shall survive termination. + +************************************************************************ +* * +* 6. Disclaimer of Warranty * +* ------------------------- * +* * +* Covered Software is provided under this License on an "as is" * +* basis, without warranty of any kind, either expressed, implied, or * +* statutory, including, without limitation, warranties that the * +* Covered Software is free of defects, merchantable, fit for a * +* particular purpose or non-infringing. The entire risk as to the * +* quality and performance of the Covered Software is with You. * +* Should any Covered Software prove defective in any respect, You * +* (not any Contributor) assume the cost of any necessary servicing, * +* repair, or correction. This disclaimer of warranty constitutes an * +* essential part of this License. No use of any Covered Software is * +* authorized under this License except under this disclaimer. * +* * +************************************************************************ + +************************************************************************ +* * +* 7. Limitation of Liability * +* -------------------------- * +* * +* Under no circumstances and under no legal theory, whether tort * +* (including negligence), contract, or otherwise, shall any * +* Contributor, or anyone who distributes Covered Software as * +* permitted above, be liable to You for any direct, indirect, * +* special, incidental, or consequential damages of any character * +* including, without limitation, damages for lost profits, loss of * +* goodwill, work stoppage, computer failure or malfunction, or any * +* and all other commercial damages or losses, even if such party * +* shall have been informed of the possibility of such damages. This * +* limitation of liability shall not apply to liability for death or * +* personal injury resulting from such party's negligence to the * +* extent applicable law prohibits such limitation. Some * +* jurisdictions do not allow the exclusion or limitation of * +* incidental or consequential damages, so this exclusion and * +* limitation may not apply to You. * +* * +************************************************************************ + +8. Litigation +------------- + +Any litigation relating to this License may be brought only in the +courts of a jurisdiction where the defendant maintains its principal +place of business and such litigation shall be governed by laws of that +jurisdiction, without reference to its conflict-of-law provisions. +Nothing in this Section shall prevent a party's ability to bring +cross-claims or counter-claims. + +9. Miscellaneous +---------------- + +This License represents the complete agreement concerning the subject +matter hereof. If any provision of this License is held to be +unenforceable, such provision shall be reformed only to the extent +necessary to make it enforceable. Any law or regulation which provides +that the language of a contract shall be construed against the drafter +shall not be used to construe this License against a Contributor. + +10. Versions of the License +--------------------------- + +10.1. New Versions + +Mozilla Foundation is the license steward. Except as provided in Section +10.3, no one other than the license steward has the right to modify or +publish new versions of this License. Each version will be given a +distinguishing version number. + +10.2. Effect of New Versions + +You may distribute the Covered Software under the terms of the version +of the License under which You originally received the Covered Software, +or under the terms of any subsequent version published by the license +steward. + +10.3. Modified Versions + +If you create software not governed by this License, and you want to +create a new license for such software, you may create and use a +modified version of this License if you rename the license and remove +any references to the name of the license steward (except to note that +such modified license differs from this License). + +10.4. Distributing Source Code Form that is Incompatible With Secondary +Licenses + +If You choose to distribute Source Code Form that is Incompatible With +Secondary Licenses under the terms of this version of the License, the +notice described in Exhibit B of this License must be attached. + +Exhibit A - Source Code Form License Notice +------------------------------------------- + + This Source Code Form is subject to the terms of the Mozilla Public + License, v. 2.0. If a copy of the MPL was not distributed with this + file, You can obtain one at http://mozilla.org/MPL/2.0/. + +If it is not possible or desirable to put the notice in a particular +file, then You may include the notice in a location (such as a LICENSE +file in a relevant directory) where a recipient would be likely to look +for such a notice. + +You may add additional accurate notices of copyright ownership. + +Exhibit B - "Incompatible With Secondary Licenses" Notice +--------------------------------------------------------- + + This Source Code Form is "Incompatible With Secondary Licenses", as + defined by the Mozilla Public License, v. 2.0. diff --git a/build.sh b/build.sh new file mode 100755 index 0000000..9efd5f9 --- /dev/null +++ b/build.sh @@ -0,0 +1 @@ +go build -o $GOPATH/packer-builder-xenserver main.go diff --git a/builder/xenserver/artifact.go b/builder/xenserver/artifact.go new file mode 100644 index 0000000..acac1a7 --- /dev/null +++ b/builder/xenserver/artifact.go @@ -0,0 +1,57 @@ +package xenserver + +import ( + "fmt" + "os" + "github.com/mitchellh/packer/packer" + "path/filepath" +) + + +type LocalArtifact struct { + dir string + f []string +} + + +func NewArtifact(dir string) (packer.Artifact, error) { + files := make([]string, 0, 1) + visit := func(path string, info os.FileInfo, err error) error { + if !info.IsDir() { + files = append(files, path) + } + return err + } + if err := filepath.Walk(dir, visit); err != nil { + return nil, err + } + + return &LocalArtifact{ + dir: dir, + f: files, + }, nil +} + +func (*LocalArtifact) BuilderId() string { + return BuilderId +} + +func (a *LocalArtifact) Files() []string { + return a.f +} + +func (*LocalArtifact) Id() string { + return "VM" +} + +func (a *LocalArtifact) String() string { + return fmt.Sprintf("VM files in directory: %s", a.dir) +} + +func (a *LocalArtifact) State(name string) interface{} { + return nil +} + +func (a *LocalArtifact) Destroy() error { + return os.RemoveAll(a.dir) +} diff --git a/builder/xenserver/builder.go b/builder/xenserver/builder.go index a3bc688..6bac879 100644 --- a/builder/xenserver/builder.go +++ b/builder/xenserver/builder.go @@ -7,6 +7,10 @@ import ( "fmt" "log" "errors" + "time" + "strings" + "os" + commonssh "github.com/mitchellh/packer/common/ssh" ) @@ -17,12 +21,46 @@ const BuilderId = "packer.xenserver" type config struct { common.PackerConfig `mapstructure:",squash"` - Username string `mapstructure:"username"` - Password string `mapstructure:"password"` - HostIp string `mapstructure:"host_ip"` - IsoUrl string `mapstructure:"iso_url"` + Username string `mapstructure:"username"` + Password string `mapstructure:"password"` + HostIp string `mapstructure:"host_ip"` + IsoUrl string `mapstructure:"iso_url"` - InstanceName string `mapstructure:"instance_name"` + InstanceName string `mapstructure:"instance_name"` + RootDiskSize string `mapstructure:"root_disk_size"` + CloneTemplate string `mapstructure:"clone_template"` + IsoUuid string `mapstructure:"iso_uuid"` + SrUuid string `mapstructure:"sr_uuid"` + NetworkUuid string `mapstructure:"network_uuid"` + + VncPortMin uint `mapstructure:"vnc_port_min"` + VncPortMax uint `mapstructure:"vnc_port_max"` + + BootCommand []string `mapstructure:"boot_command"` + RawBootWait string `mapstructure:"boot_wait"` + + BootWait time.Duration `` + sshWaitTimeout time.Duration `` + + ISOChecksum string `mapstructure:"iso_checksum"` + ISOChecksumType string `mapstructure:"iso_checksum_type"` + ISOUrls []string `mapstructure:"iso_urls"` + ISOUrl string `mapstructure:"iso_url"` + + HTTPDir string `mapstructure:"http_directory"` + HTTPPortMin uint `mapstructure:"http_port_min"` + HTTPPortMax uint `mapstructure:"http_port_max"` + + LocalIp string `mapstructure:"local_ip"` + PlatformArgs map[string]string `mapstructure:"platform_args"` + + RawSSHWaitTimeout string `mapstructure:"ssh_wait_timeout"` + + SSHPassword string `mapstructure:"ssh_password"` + SSHUser string `mapstructure:"ssh_username"` + SSHKeyPath string `mapstructure:"ssh_key_path"` + + OutputDir string `mapstructure:"output_directory"` tpl *packer.ConfigTemplate } @@ -34,33 +72,75 @@ type Builder struct { } -func (self *Builder) Prepare (raws ...interface{}) ([]string, error) { +func (self *Builder) Prepare (raws ...interface{}) (params []string, retErr error) { md, err := common.DecodeConfig(&self.config, raws...) if err != nil { return nil, err } + errs := common.CheckUnusedConfig(md) + if errs == nil { + errs = &packer.MultiError{} + } + self.config.tpl, err = packer.NewConfigTemplate() if err != nil { return nil, err } - self.config.tpl.UserVars = self.config.PackerUserVars - - - errs := common.CheckUnusedConfig(md) - - // Set default vaules + if self.config.VncPortMin == 0 { + self.config.VncPortMin = 5900 + } + + if self.config.VncPortMax == 0 { + self.config.VncPortMax = 6000 + } + + if self.config.RawBootWait == "" { + self.config.RawBootWait = "5s" + } + + if self.config.HTTPPortMin == 0 { + self.config.HTTPPortMin = 8000 + } + + if self.config.HTTPPortMax == 0 { + self.config.HTTPPortMax = 9000 + } + + if self.config.RawSSHWaitTimeout == "" { + self.config.RawSSHWaitTimeout = "200m" + } + + if self.config.OutputDir == "" { + self.config.OutputDir = fmt.Sprintf("output-%s", self.config.PackerBuildName) + } + templates := map[string]*string { - "username": &self.config.Username, - "password": &self.config.Password, - "host_ip": &self.config.HostIp, - "iso_url": &self.config.IsoUrl, - "instance_name": &self.config.InstanceName, + "username": &self.config.Username, + "password": &self.config.Password, + "host_ip": &self.config.HostIp, + "iso_url": &self.config.IsoUrl, + "instance_name": &self.config.InstanceName, + "root_disk_size": &self.config.RootDiskSize, + "clone_template": &self.config.CloneTemplate, + "iso_uuid": &self.config.IsoUuid, + "sr_uuid": &self.config.SrUuid, + "network_uuid": &self.config.NetworkUuid, + "boot_wait": &self.config.RawBootWait, + "iso_checksum": &self.config.ISOChecksum, + "iso_checksum_type": &self.config.ISOChecksumType, + "http_directory": &self.config.HTTPDir, + "local_ip": &self.config.LocalIp, + "ssh_wait_timeout": &self.config.RawSSHWaitTimeout, + "ssh_username": &self.config.SSHUser, + "ssh_password": &self.config.SSHPassword, + "ssh_key_path": &self.config.SSHKeyPath, + "output_directory": &self.config.OutputDir, } @@ -72,17 +152,220 @@ func (self *Builder) Prepare (raws ...interface{}) ([]string, error) { } } +/* if self.config.IsoUrl == "" { errs = packer.MultiErrorAppend( errs, errors.New("a iso url must be specified")) } - return nil, nil +*/ + + self.config.BootWait, err = time.ParseDuration(self.config.RawBootWait) + if err != nil { + errs = packer.MultiErrorAppend( + errs, errors.New("Failed to parse boot_wait.")) + } + + self.config.sshWaitTimeout, err = time.ParseDuration(self.config.RawSSHWaitTimeout) + if err != nil { + errs = packer.MultiErrorAppend( + errs, fmt.Errorf("Failed to parse ssh_wait_timeout: %s", err)) + } + + for i, command := range self.config.BootCommand { + if err := self.config.tpl.Validate(command); err != nil { + errs = packer.MultiErrorAppend(errs, + fmt.Errorf("Error processing boot_command[%d]: %s", i, err)) + } + } + + if self.config.SSHUser == "" { + errs = packer.MultiErrorAppend( + errs, errors.New("An ssh_username must be specified.")) + } + + if self.config.SSHKeyPath != "" { + if _, err := os.Stat(self.config.SSHKeyPath); err != nil { + errs = packer.MultiErrorAppend( + errs, fmt.Errorf("ssh_key_path is invalid: %s", err)) + } else if _, err := commonssh.FileSigner(self.config.SSHKeyPath); err != nil { + errs = packer.MultiErrorAppend( + errs, fmt.Errorf("ssh_key_path is invalid: %s", err)) + } + } + + if self.config.Username == "" { + errs = packer.MultiErrorAppend( + errs, errors.New("A username for the xenserver host must be specified.")) + } + + if self.config.Password == "" { + errs = packer.MultiErrorAppend( + errs, errors.New("A password for the xenserver host must be specified.")) + } + + if self.config.HostIp == "" { + errs = packer.MultiErrorAppend( + errs, errors.New("An ip for the xenserver host must be specified.")) + } + + if self.config.InstanceName == "" { + errs = packer.MultiErrorAppend( + errs, errors.New("An insatnce name must be specified.")) + } + + if self.config.RootDiskSize == "" { + errs = packer.MultiErrorAppend( + errs, errors.New("A root disk size must be specified.")) + } + + if self.config.CloneTemplate == "" { + errs = packer.MultiErrorAppend( + errs, errors.New("A template to clone from must be specified.")) + } + + if self.config.IsoUuid == "" { + errs = packer.MultiErrorAppend( + errs, errors.New("a uuid for the installation iso must be specified.")) + } + + if self.config.SrUuid == "" { + errs = packer.MultiErrorAppend( + errs, errors.New("a uuid for the sr used for the instance must be specified.")) + } + + if self.config.NetworkUuid == "" { + errs = packer.MultiErrorAppend( + errs, errors.New("a uuid for the network used for the instance must be specified.")) + } + + if self.config.LocalIp == "" { + errs = packer.MultiErrorAppend( + errs, errors.New("A local IP visible to XenServer's mangement interface is required to serve files.")) + } + + if len(self.config.PlatformArgs) == 0 { + pargs := make(map[string]string) + pargs["viridian"] = "false" + pargs["nx"] = "true" + pargs["pae"] = "true" + pargs["apic"] = "true" + pargs["timeoffset"] = "0" + pargs["acpi"] = "1" + self.config.PlatformArgs = pargs + } + + if self.config.HTTPPortMin > self.config.HTTPPortMax { + errs = packer.MultiErrorAppend( + errs, errors.New("the HTTP min port must be less than the max")) + } + + if self.config.VncPortMin > self.config.VncPortMax { + errs = packer.MultiErrorAppend( + errs, errors.New("the VNC min port must be less than the max")) + } + + if self.config.ISOChecksumType == "" { + errs = packer.MultiErrorAppend( + errs, errors.New("The iso_checksum_type must be specified.")) + } else { + self.config.ISOChecksumType = strings.ToLower(self.config.ISOChecksumType) + if self.config.ISOChecksumType != "none" { + if self.config.ISOChecksum == "" { + errs = packer.MultiErrorAppend( + errs, errors.New("Due to the file size being large, an iso_checksum is required.")) + } else { + self.config.ISOChecksum = strings.ToLower(self.config.ISOChecksum) + } + + if hash := common.HashForType(self.config.ISOChecksumType); hash == nil { + errs = packer.MultiErrorAppend( + errs, fmt.Errorf("Unsupported checksum type: %s", self.config.ISOChecksumType)) + } + + } + } + + if self.config.ISOUrl == "" { + errs = packer.MultiErrorAppend( + errs, errors.New("A ISO URL must be specfied.")) + } else { + self.config.ISOUrls = []string{self.config.ISOUrl} + } + + for i, url := range self.config.ISOUrls { + self.config.ISOUrls[i], err = common.DownloadableURL(url) + if err != nil { + errs = packer.MultiErrorAppend( + errs, fmt.Errorf("Failed to parse the iso_url (%d): %s", i, err)) + } + } + + if len(errs.Errors) > 0 { + retErr = errors.New(errs.Error()) + } + + return nil, retErr } func (self *Builder) Run(ui packer.Ui, hook packer.Hook, cache packer.Cache) (packer.Artifact, error) { - log.Println("Run, not yet implemented!") - return nil, nil + //Setup XAPI client + client := NewXenAPIClient(self.config.HostIp, self.config.Username, self.config.Password) + + err := client.Login() + if err != nil { + return nil, err.(error) + } + ui.Say("XAPI client session established") + + client.GetHosts() + + //Share state between the other steps using a statebag + state := new(multistep.BasicStateBag) + state.Put("cache", cache) + state.Put("client", client) + state.Put("config", self.config) + state.Put("hook", hook) + state.Put("ui", ui) + + + //Build the steps + steps := []multistep.Step{ + &common.StepDownload{ + Checksum: self.config.ISOChecksum, + ChecksumType: self.config.ISOChecksumType, + Description: "ISO", + ResultKey: "iso_path", + Url: self.config.ISOUrls, + }, + new(stepPrepareOutputDir), + new(stepHTTPServer), + new(stepUploadIso), + new(stepCreateInstance), + new(stepStartVmPaused), + new(stepForwardVncPortOverSsh), + new(stepBootWait), + new(stepTypeBootCommand), + new(stepWait), + &common.StepConnectSSH{ + SSHAddress: sshAddress, + SSHConfig: sshConfig, + SSHWaitTimeout: self.config.sshWaitTimeout, + }, + new(common.StepProvision), + new(stepShutdownAndExport), + } + + self.runner = &multistep.BasicRunner{Steps: steps} + self.runner.Run(state) + + artifact, _ := NewArtifact(self.config.OutputDir) + + if rawErr, ok := state.GetOk("error"); ok { + return nil, rawErr.(error) + } + + return artifact, nil } diff --git a/builder/xenserver/client.go b/builder/xenserver/client.go new file mode 100644 index 0000000..36016c1 --- /dev/null +++ b/builder/xenserver/client.go @@ -0,0 +1,530 @@ +package xenserver + +import ( + "github.com/nilshell/xmlrpc" + "log" + "fmt" + "errors" +) + +func check(err error) { + if err != nil { + log.Fatal(err) + } +} + + +type XenAPIClient struct { + Session interface{} + Host string + Url string + Username string + Password string + RPC *xmlrpc.Client +} + + +type APIResult struct { + Status string + Value interface{} + ErrorDescription string +} + +type VM struct { + Ref string + Client *XenAPIClient +} + +type SR struct { + Ref string + Client *XenAPIClient +} + +type VDI struct { + Ref string + Client *XenAPIClient +} + +type Network struct { + Ref string + Client *XenAPIClient +} + +type VBD struct { + Ref string + Client *XenAPIClient +} + +func (c *XenAPIClient) RPCCall (result interface{}, method string, params []interface{}) (err error) { + fmt.Println(params) + p := new(xmlrpc.Params) + p.Params = params + err = c.RPC.Call(method, *p, result) + return err +} + + +func (client *XenAPIClient) Login () (err error) { + //Do loging call + result := xmlrpc.Struct{} + + params := make([]interface{}, 2) + params[0] = client.Username + params[1] = client.Password + + err = client.RPCCall(&result, "session.login_with_password", params) + client.Session = result["Value"] + return err +} + +func (client *XenAPIClient) APICall (result *APIResult, method string, params ...interface{}) (err error) { + if client.Session == nil { + fmt.Println("Error: no session") + return fmt.Errorf("No session. Unable to make call") + } + + //Make a params slice which will include the session + p := make([]interface{}, len(params) + 1) + p[0] = client.Session + + if params != nil { + for idx, element := range params { + p[idx+1] = element + } + } + + res := xmlrpc.Struct{} + + err = client.RPCCall(&res, method, p) + + if err != nil { + return err + } + + result.Status = res["Status"].(string) + + if result.Status != "Success" { + fmt.Println("Encountered an API error: ", result.Status) + fmt.Println(res["ErrorDescription"]) + return errors.New("API Error occurred") + } else { + result.Value = res["Value"] + } + return +} + + +func (client *XenAPIClient) GetHosts () (err error) { + result := APIResult{} + _ = client.APICall(&result, "host.get_all") + hosts := result.Value + fmt.Println(hosts) + return nil +} + + +func (client *XenAPIClient) GetVMByUuid (vm_uuid string) (vm *VM, err error) { + vm = new(VM) + result := APIResult{} + err = client.APICall(&result, "VM.get_by_uuid", vm_uuid) + if err != nil { + return nil, err + } + vm.Ref = result.Value.(string) + vm.Client = client + return +} + +func (client *XenAPIClient) GetNetworkByUuid (network_uuid string) (network *Network, err error) { + network = new(Network) + result := APIResult{} + err = client.APICall(&result, "network.get_by_uuid", network_uuid) + if err != nil { + return nil, err + } + network.Ref = result.Value.(string) + network.Client = client + return +} + +func (client *XenAPIClient) GetSRByUuid (sr_uuid string) (sr *SR, err error) { + sr = new(SR) + result := APIResult{} + err = client.APICall(&result, "SR.get_by_uuid", sr_uuid) + if err != nil { + return nil, err + } + sr.Ref = result.Value.(string) + sr.Client = client + return +} + +func (client *XenAPIClient) GetVdiByUuid (vdi_uuid string) (vdi *VDI, err error) { + vdi = new(VDI) + result := APIResult{} + err = client.APICall(&result, "VDI.get_by_uuid", vdi_uuid) + if err != nil { + return nil, err + } + vdi.Ref = result.Value.(string) + vdi.Client = client + return +} + + +// VM associated functions + +func (self *VM) Clone (label string) (new_instance *VM, err error) { + new_instance = new(VM) + + result := APIResult{} + err = self.Client.APICall(&result, "VM.clone", self.Ref, label) + if err != nil { + return nil, err + } + new_instance.Ref = result.Value.(string) + new_instance.Client = self.Client + return +} + +func (self *VM) Start(paused, force bool) (err error) { + result := APIResult{} + err = self.Client.APICall(&result, "VM.start", self.Ref, paused, force) + if err != nil { + return err + } + return +} + +func (self *VM) CleanShutdown() (err error) { + result := APIResult{} + err = self.Client.APICall(&result, "VM.clean_shutdown", self.Ref) + if err != nil { + return err + } + return +} + +func (self *VM) Unpause () (err error) { + result := APIResult{} + err = self.Client.APICall(&result, "VM.unpause", self.Ref) + if err != nil { + return err + } + return +} + +func (self *VM) SetPVBootloader(pv_bootloader, pv_args string) (err error) { + result := APIResult{} + err = self.Client.APICall(&result, "VM.set_PV_bootloader", self.Ref, pv_bootloader) + if err != nil { + return err + } + result = APIResult{} + err = self.Client.APICall(&result, "VM.set_PV_bootloader_args", self.Ref, pv_args) + if err != nil { + return err + } + return +} + +func (self *VM) GetDomainId() (domid string, err error) { + result := APIResult{} + err = self.Client.APICall(&result, "VM.get_domid", self.Ref) + if err != nil { + return "", err + } + domid = result.Value.(string) + return domid, nil +} + +func (self *VM) GetPowerState() (state string, err error) { + result := APIResult{} + err = self.Client.APICall(&result, "VM.get_power_state", self.Ref) + if err != nil { + return "", err + } + state = result.Value.(string) + return state, nil +} + +func (self *VM) GetUuid() (uuid string, err error) { + result := APIResult{} + err = self.Client.APICall(&result, "VM.get_uuid", self.Ref) + if err != nil { + return "", err + } + uuid = result.Value.(string) + return uuid, nil +} + +func (self *VM) GetVBDs() (vbds []VBD, err error) { + vbds = make([]VBD, 0) + result := APIResult{} + err = self.Client.APICall(&result, "VM.get_VBDs", self.Ref) + if err != nil { + return vbds, err + } + for _, elem := range result.Value.([]interface{}) { + vbd := VBD{} + vbd.Ref = elem.(string) + vbd.Client = self.Client + vbds = append(vbds, vbd) + } + + return vbds, nil +} + +func (self *VM) GetDisks() (vdis []*VDI, err error) { + // Return just data disks (non-isos) + vdis = make([]*VDI, 0) + vbds, err := self.GetVBDs() + if err != nil { + return nil, err + } + + for _, vbd := range vbds { + rec, err := vbd.GetRecord() + if err != nil { + return nil, err + } + if rec["type"] == "Disk" { + + vdi, err := vbd.GetVDI() + if err != nil { + return nil, err + } + vdis = append(vdis, vdi) + + } + } + return vdis, nil +} + +func (self *VM) GetGuestMetricsRef() (ref string, err error) { + result := APIResult{} + err = self.Client.APICall(&result, "VM.get_guest_metrics", self.Ref) + if err != nil { + return "", nil + } + ref = result.Value.(string) + return ref, err +} + +func (self *VM) GetGuestMetrics() (metrics map[string]interface{}, err error) { + metrics = make(map[string]interface{}) + metrics_ref, err := self.GetGuestMetricsRef() + if err != nil { + return metrics, err + } + + result := APIResult{} + err = self.Client.APICall(&result, "VM_guest_metrics.get_record", metrics_ref) + if err != nil { + return metrics, nil + } + for k, v := range result.Value.(xmlrpc.Struct) { + metrics[k] = v + } + return metrics, nil +} + +func (self *VM) SetStaticMemoryRange(min, max string) (err error) { + result := APIResult{} + err = self.Client.APICall(&result, "VM.set_memory_limits", self.Ref, min, max, min, max) + if err != nil { + return err + } + return +} + +func (self *VM) ConnectVdi (vdi *VDI, iso bool) (err error) { + + // 1. Create a VBD + + vbd_rec := make(xmlrpc.Struct) + vbd_rec["VM"] = self.Ref + vbd_rec["VDI"] = vdi.Ref + vbd_rec["userdevice"] = "autodetect" + vbd_rec["unpluggable"] = false + vbd_rec["empty"] = false + vbd_rec["other_config"] = make(xmlrpc.Struct) + vbd_rec["qos_algorithm_type"] = "" + vbd_rec["qos_algorithm_params"] = make(xmlrpc.Struct) + + if iso { + vbd_rec["mode"] = "RO" + vbd_rec["bootable"] = true + vbd_rec["type"] = "CD" + } else { + vbd_rec["mode"] = "RW" + vbd_rec["bootable"] = false + vbd_rec["type"] = "Disk" + } + + result := APIResult{} + err = self.Client.APICall(&result, "VBD.create", vbd_rec) + + if err != nil { + return err + } + + vbd_ref := result.Value.(string) + fmt.Println("VBD Ref:", vbd_ref) + + result = APIResult{} + err = self.Client.APICall(&result, "VBD.get_uuid", vbd_ref) + + fmt.Println("VBD UUID: ", result.Value.(string)) +/* + // 2. Plug VBD (Non need - the VM hasn't booted. + // @todo - check VM state + result = APIResult{} + err = self.Client.APICall(&result, "VBD.plug", vbd_ref) + + if err != nil { + return err + } +*/ + return +} + +func (self *VM) SetPlatform(params map[string]string) (err error) { + result := APIResult{} + platform_rec := make(xmlrpc.Struct) + for key, value := range params { + platform_rec[key] = value + } + + err = self.Client.APICall(&result, "VM.set_platform", self.Ref, platform_rec) + + if err != nil { + return err + } + return +} + + +func (self *VM) ConnectNetwork (network *Network, device string) (err error) { + // Create the VIF + + vif_rec := make(xmlrpc.Struct) + vif_rec["network"] = network.Ref + vif_rec["VM"] = self.Ref + vif_rec["MAC"] = "" + vif_rec["device"] = device + vif_rec["MTU"] = "1504" + vif_rec["other_config"] = make(xmlrpc.Struct) + vif_rec["qos_algorithm_type"] = "" + vif_rec["qos_algorithm_params"] = make(xmlrpc.Struct) + + result := APIResult{} + err = self.Client.APICall(&result, "VIF.create", vif_rec) + + if err != nil { + return err + } + + return nil +} + +// Setters + +func (self *VM) SetIsATemplate (is_a_template bool) (err error) { + result := APIResult{} + err = self.Client.APICall(&result, "VM.set_is_a_template", self.Ref, is_a_template) + if err != nil { + return err + } + return +} + +// SR associated functions + +func (self *SR) CreateVdi (name_label, size string) (vdi *VDI, err error) { + vdi = new(VDI) + + vdi_rec := make(xmlrpc.Struct) + vdi_rec["name_label"] = name_label + vdi_rec["SR"] = self.Ref + vdi_rec["virtual_size"] = size + vdi_rec["type"] = "user" + vdi_rec["sharable"] = false + vdi_rec["read_only"] = false + + oc := make(xmlrpc.Struct) + oc["temp"] = "temp" + vdi_rec["other_config"] = oc + + + result := APIResult{} + err = self.Client.APICall(&result, "VDI.create", vdi_rec) + if err != nil { + return nil, err + } + + vdi.Ref = result.Value.(string) + vdi.Client = self.Client + + return +} + +// VBD associated functions +func (self *VBD) GetRecord () (record map[string]interface{}, err error) { + record = make(map[string]interface{}) + result := APIResult{} + err = self.Client.APICall(&result, "VBD.get_record", self.Ref) + if err != nil { + return record, err + } + for k, v := range result.Value.(xmlrpc.Struct) { + record[k] = v + } + return record, nil +} + +func (self *VBD) GetVDI () (vdi *VDI, err error) { + vbd_rec, err := self.GetRecord() + if err != nil { + return nil, err + } + + vdi = new(VDI) + vdi.Ref = vbd_rec["VDI"].(string) + vdi.Client = self.Client + + return vdi, nil +} + +func (self *VBD) Eject () (err error) { + result := APIResult{} + err = self.Client.APICall(&result, "VBD.eject", self.Ref) + if err != nil { + return err + } + return nil +} + +// VDI associated functions + +func (self *VDI) GetUuid () (vdi_uuid string, err error) { + result := APIResult{} + err = self.Client.APICall(&result, "VDI.get_uuid", self.Ref) + if err != nil { + return "", err + } + vdi_uuid = result.Value.(string) + return vdi_uuid, nil +} + + +// Client Initiator + +func NewXenAPIClient (host, username, password string) (client XenAPIClient) { + client.Host = host + client.Url = "http://" + host + client.Username = username + client.Password = password + client.RPC, _ = xmlrpc.NewClient(client.Url, nil) + return +} diff --git a/builder/xenserver/ssh.go b/builder/xenserver/ssh.go new file mode 100644 index 0000000..143349d --- /dev/null +++ b/builder/xenserver/ssh.go @@ -0,0 +1,39 @@ +package xenserver + +import ( + "fmt" + gossh "code.google.com/p/go.crypto/ssh" + "github.com/mitchellh/multistep" + commonssh "github.com/mitchellh/packer/common/ssh" + "github.com/mitchellh/packer/communicator/ssh" +) + +func sshAddress(state multistep.StateBag) (string, error) { + sshIP := state.Get("ssh_address").(string) + sshHostPort := 22 + return fmt.Sprintf("%s:%d", sshIP, sshHostPort), nil +} + +func sshConfig(state multistep.StateBag) (*gossh.ClientConfig, error) { + config := state.Get("config").(config) + + auth := []gossh.AuthMethod{ + gossh.Password(config.SSHPassword), + gossh.KeyboardInteractive( + ssh.PasswordKeyboardInteractive(config.SSHPassword)), + } + + if config.SSHKeyPath != "" { + signer, err := commonssh.FileSigner(config.SSHKeyPath) + if err != nil { + return nil, err + } + + auth = append(auth, gossh.PublicKeys(signer)) + } + + return &gossh.ClientConfig{ + User: config.SSHUser, + Auth: auth, + }, nil +} diff --git a/builder/xenserver/step_boot_wait.go b/builder/xenserver/step_boot_wait.go new file mode 100644 index 0000000..0497d38 --- /dev/null +++ b/builder/xenserver/step_boot_wait.go @@ -0,0 +1,30 @@ +package xenserver + +import ( + "fmt" + "github.com/mitchellh/multistep" + "github.com/mitchellh/packer/packer" + "time" +) + + +type stepBootWait struct{} + +func (self *stepBootWait) Run(state multistep.StateBag) multistep.StepAction { + client := state.Get("client").(XenAPIClient) + config := state.Get("config").(config) + ui := state.Get("ui").(packer.Ui) + + instance, _ := client.GetVMByUuid(state.Get("instance_uuid").(string)) + ui.Say("Unpausing VM " + state.Get("instance_uuid").(string)) + instance.Unpause() + + if int64(config.BootWait) > 0 { + ui.Say(fmt.Sprintf("Waiting %s for boot...", config.BootWait)) + time.Sleep(config.BootWait) + } + return multistep.ActionContinue +} + +func (self *stepBootWait) Cleanup(state multistep.StateBag) {} + diff --git a/builder/xenserver/step_create_instance.go b/builder/xenserver/step_create_instance.go new file mode 100644 index 0000000..007768a --- /dev/null +++ b/builder/xenserver/step_create_instance.go @@ -0,0 +1,80 @@ +package xenserver + + +import ( + "github.com/mitchellh/multistep" + "github.com/mitchellh/packer/packer" + "fmt" +) + +type stepCreateInstance struct { + InstanceId string +} + +func (self *stepCreateInstance) Run(state multistep.StateBag) multistep.StepAction { + + client := state.Get("client").(XenAPIClient) + config := state.Get("config").(config) + ui := state.Get("ui").(packer.Ui) + + ui.Say("Step: Create Instance") + + + // Get the template to clone from + template, _ := client.GetVMByUuid(config.CloneTemplate) + + // Clone that VM template + instance, _ := template.Clone(config.InstanceName) + instance.SetIsATemplate(false) + instance.SetStaticMemoryRange("1024000000", "1024000000") + instance.SetPlatform(config.PlatformArgs) + + // Create VDI for the instance + sr, _ := client.GetSRByUuid(config.SrUuid) + vdi, _ := sr.CreateVdi("Packer-disk", config.RootDiskSize) + + instance.ConnectVdi(vdi, false) + + // Connect Network + network, err := client.GetNetworkByUuid(config.NetworkUuid) + if err != nil { + ui.Say(err.Error()) + } + err = instance.ConnectNetwork(network, "0") + + if err != nil { + ui.Say(err.Error()) + } + + // Connect the ISO + //iso_vdi_uuid := state.Get("iso_vdi_uuid").(string) + + iso, _ := client.GetVdiByUuid(config.IsoUuid) + //ui.Say("Using VDI: " + iso_vdi_uuid) + //iso, _ := client.GetVdiByUuid(iso_vdi_uuid) + instance.ConnectVdi(iso, true) + + // Stash the VM reference + self.InstanceId, _ = instance.GetUuid() + state.Put("instance_uuid", self.InstanceId) + ui.Say(fmt.Sprintf("Created instance '%s'", self.InstanceId)) + + return multistep.ActionContinue +} + + +func (self *stepCreateInstance) Cleanup(state multistep.StateBag) { + +// client := state.Get("client").(*XenAPIClient) +// config := state.Get("config").(config) +// ui := state.Get("ui").(packer.Ui) + + // If instance hasn't been created, we have nothing to do. + if self.InstanceId == "" { + return + } + + // @todo: destroy the created instance. + + return +} diff --git a/builder/xenserver/step_forward_vnc_port_over_ssh.go b/builder/xenserver/step_forward_vnc_port_over_ssh.go new file mode 100644 index 0000000..72d64ca --- /dev/null +++ b/builder/xenserver/step_forward_vnc_port_over_ssh.go @@ -0,0 +1,143 @@ +package xenserver + + +import ( + "github.com/mitchellh/multistep" + "github.com/mitchellh/packer/packer" + "fmt" + "code.google.com/p/go.crypto/ssh" + "bytes" + "net" + "io" + "strconv" + "log" + "strings" +) + +type stepForwardVncPortOverSsh struct {} + + +func execute_ssh_cmd (cmd, host, port, username, password string) (stdout string, err error) { + // Setup connection config + config := &ssh.ClientConfig { + User: username, + Auth: []ssh.AuthMethod { + ssh.Password(password), + }, + } + + client, err := ssh.Dial("tcp", host + ":" + port, config) + + if err != nil { + return "", err + } + + //Create session + session, err := client.NewSession() + + if err != nil { + return "", err + } + + defer session.Close() + + var b bytes.Buffer + session.Stdout = &b + if err := session.Run(cmd); err != nil { + return "", err + } + + session.Close() + return strings.Trim(b.String(), "\n"), nil +} + +func forward(local_conn net.Conn, config *ssh.ClientConfig, server, remote_port string) { + ssh_client_conn, err := ssh.Dial("tcp", server + ":22", config) + if err != nil { + log.Fatalf("local ssh.Dial error: %s", err) + } + + ssh_conn, err := ssh_client_conn.Dial("tcp", "127.0.0.1:" + remote_port) + if err != nil { + log.Fatalf("ssh.Dial error: %s", err) + } + + go func() { + _, err = io.Copy(ssh_conn, local_conn) + if err != nil { + log.Fatalf("io.copy failed: %v", err) + } + }() + + go func() { + _, err = io.Copy(local_conn, ssh_conn) + if err != nil { + log.Fatalf("io.copy failed: %v", err) + } + }() +} + +func ssh_port_forward(local_port, remote_port, host, username, password string) (err error) { + + config := &ssh.ClientConfig { + User: username, + Auth: []ssh.AuthMethod{ + ssh.Password(password), + }, + } + + // Listen on a local port + local_listener, err := net.Listen("tcp", "127.0.0.1:" + local_port) + if err != nil { + log.Fatalf("Local listen failed: %s", err) + return err + } + + for { + local_connection, err := local_listener.Accept() + + if err != nil { + log.Fatalf("Local accept failed: %s", err) + return err + } + + + // Forward to a remote port + go forward(local_connection, config, host, remote_port) + } + + + + return nil +} + +func (self *stepForwardVncPortOverSsh) Run(state multistep.StateBag) multistep.StepAction { + +// client := state.Get("client").(XenAPIClient) + + config := state.Get("config").(config) + ui := state.Get("ui").(packer.Ui) + + ui.Say("Step: forward the instances VNC port over SSH") + + domid := state.Get("domid").(string) + cmd := fmt.Sprintf("xenstore-read /local/domain/%s/console/vnc-port", domid) + + remote_vncport, _ := execute_ssh_cmd(cmd, config.HostIp, "22", config.Username, config.Password) + + ui.Say("The VNC port is " + remote_vncport) + // Just take the min port for the moment + state.Put("local_vnc_port", config.VncPortMin) + local_port := strconv.Itoa(int(config.VncPortMin)) + ui.Say("About to setup SSH Port forward setup on local port " + local_port) + + + go ssh_port_forward(local_port, remote_vncport, config.HostIp, config.Username, config.Password) + ui.Say("Port forward setup.") + + return multistep.ActionContinue +} + + +func (self *stepForwardVncPortOverSsh) Cleanup(state multistep.StateBag) { +} diff --git a/builder/xenserver/step_http_server.go b/builder/xenserver/step_http_server.go new file mode 100644 index 0000000..538a729 --- /dev/null +++ b/builder/xenserver/step_http_server.go @@ -0,0 +1,78 @@ +package xenserver + +// Taken from mitchellh/packer/builder/qemu/step_http_server.go + +import ( + "fmt" + "github.com/mitchellh/multistep" + "github.com/mitchellh/packer/packer" + "log" + "math/rand" + "net" + "net/http" +) + +// This step creates and runs the HTTP server that is serving files from the +// directory specified by the 'http_directory` configuration parameter in the +// template. +// +// Uses: +// config *config +// ui packer.Ui +// +// Produces: +// http_port int - The port the HTTP server started on. +type stepHTTPServer struct { + l net.Listener +} + +func (s *stepHTTPServer) Run(state multistep.StateBag) multistep.StepAction { + config := state.Get("config").(config) + ui := state.Get("ui").(packer.Ui) + + var httpPort uint = 0 + if config.HTTPDir == "" { + state.Put("http_port", httpPort) + return multistep.ActionContinue + } + + // Find an available TCP port for our HTTP server + var httpAddr string + portRange := int(config.HTTPPortMax - config.HTTPPortMin) + for { + var err error + var offset uint = 0 + + if portRange > 0 { + // Intn will panic if portRange == 0, so we do a check. + offset = uint(rand.Intn(portRange)) + } + + httpPort = offset + config.HTTPPortMin + httpAddr = fmt.Sprintf(":%d", httpPort) + log.Printf("Trying port: %d", httpPort) + s.l, err = net.Listen("tcp", httpAddr) + if err == nil { + break + } + } + + ui.Say(fmt.Sprintf("Starting HTTP server on port %d", httpPort)) + + // Start the HTTP server and run it in the background + fileServer := http.FileServer(http.Dir(config.HTTPDir)) + server := &http.Server{Addr: httpAddr, Handler: fileServer} + go server.Serve(s.l) + + // Save the address into the state so it can be accessed in the future + state.Put("http_port", httpPort) + + return multistep.ActionContinue +} + +func (s *stepHTTPServer) Cleanup(multistep.StateBag) { + if s.l != nil { + // Close the listener so that the HTTP server stops + s.l.Close() + } +} diff --git a/builder/xenserver/step_prepare_output_dir.go b/builder/xenserver/step_prepare_output_dir.go new file mode 100644 index 0000000..7432b42 --- /dev/null +++ b/builder/xenserver/step_prepare_output_dir.go @@ -0,0 +1,51 @@ +package xenserver + +/* Taken from https://raw.githubusercontent.com/mitchellh/packer/master/builder/qemu/step_prepare_output_dir.go */ + +import ( + "github.com/mitchellh/multistep" + "github.com/mitchellh/packer/packer" + "log" + "os" + "time" +) + +type stepPrepareOutputDir struct{} + +func (stepPrepareOutputDir) Run(state multistep.StateBag) multistep.StepAction { + config := state.Get("config").(config) + ui := state.Get("ui").(packer.Ui) + + if _, err := os.Stat(config.OutputDir); err == nil && config.PackerForce { + ui.Say("Deleting previous output directory...") + os.RemoveAll(config.OutputDir) + } + + if err := os.MkdirAll(config.OutputDir, 0755); err != nil { + state.Put("error", err) + return multistep.ActionHalt + } + + return multistep.ActionContinue +} + +func (stepPrepareOutputDir) Cleanup(state multistep.StateBag) { + _, cancelled := state.GetOk(multistep.StateCancelled) + _, halted := state.GetOk(multistep.StateHalted) + + if cancelled || halted { + config := state.Get("config").(*config) + ui := state.Get("ui").(packer.Ui) + + ui.Say("Deleting output directory...") + for i := 0; i < 5; i++ { + err := os.RemoveAll(config.OutputDir) + if err == nil { + break + } + + log.Printf("Error removing output dir: %s", err) + time.Sleep(2 * time.Second) + } + } +} diff --git a/builder/xenserver/step_shutdown_and_export.go b/builder/xenserver/step_shutdown_and_export.go new file mode 100644 index 0000000..449cf48 --- /dev/null +++ b/builder/xenserver/step_shutdown_and_export.go @@ -0,0 +1,100 @@ +package xenserver + +/* Taken from https://raw.githubusercontent.com/mitchellh/packer/master/builder/qemu/step_prepare_output_dir.go */ + +import ( + "github.com/mitchellh/multistep" + "github.com/mitchellh/packer/packer" + "os" + "fmt" + "net/http" + "crypto/tls" + "io" +) + +type stepShutdownAndExport struct{} + +func downloadFile(url, filename string) (err error) { + + // Create the file + fh, err := os.Create(filename) + if err != nil { + return err + } + + // Define a new transport which allows self-signed certs + tr := &http.Transport{ + TLSClientConfig: &tls.Config{InsecureSkipVerify: true}, + } + + // Create a client + client := &http.Client{Transport: tr} + + // Create request and download file + + resp, err := client.Get(url) + if err != nil { + return err + } + + defer resp.Body.Close() + io.Copy(fh, resp.Body) + + return nil +} + + +func (stepShutdownAndExport) Run(state multistep.StateBag) multistep.StepAction { + config := state.Get("config").(config) + ui := state.Get("ui").(packer.Ui) + client := state.Get("client").(XenAPIClient) + instance_uuid := state.Get("instance_uuid").(string) + + instance, _ := client.GetVMByUuid(instance_uuid) + + ui.Say("Step: Shutdown and export VPX") + + // Shutdown the VM + ui.Say("Shutting down the VM...") + instance.CleanShutdown() + + //Export the VM + + export_url := fmt.Sprintf("https://%s/export?vm=%s&session_id=%s", + client.Host, + instance.Ref, + client.Session.(string), + ) + + export_filename := fmt.Sprintf("%s/%s.xva", config.OutputDir, config.InstanceName) + ui.Say("Getting metadata " + export_url) + downloadFile(export_url, export_filename) + + disks, _ := instance.GetDisks() + for _, disk := range disks { + disk_uuid, _ := disk.GetUuid() + + // Basic auth in URL request is required as session token is not + // accepted for some reason. + // @todo: raise with XAPI team. + disk_export_url := fmt.Sprintf("https://%s:%s@%s/export_raw_vdi?vdi=%s", + client.Username, + client.Password, + client.Host, + disk_uuid, + ) + + ui.Say("Getting " + disk_export_url) + disk_export_filename := fmt.Sprintf("%s/%s.raw", config.OutputDir, disk_uuid) + ui.Say("Downloading " + disk_uuid) + downloadFile(disk_export_url, disk_export_filename) + } + + + ui.Say("Download complteded: " + config.OutputDir) + + return multistep.ActionContinue +} + +func (stepShutdownAndExport) Cleanup(state multistep.StateBag) { +} diff --git a/builder/xenserver/step_start_vm_paused.go b/builder/xenserver/step_start_vm_paused.go new file mode 100644 index 0000000..89f78b0 --- /dev/null +++ b/builder/xenserver/step_start_vm_paused.go @@ -0,0 +1,30 @@ +package xenserver + + +import ( + "github.com/mitchellh/multistep" + "github.com/mitchellh/packer/packer" +) + +type stepStartVmPaused struct {} + +func (self *stepStartVmPaused) Run(state multistep.StateBag) multistep.StepAction { + + client := state.Get("client").(XenAPIClient) + ui := state.Get("ui").(packer.Ui) + + ui.Say("Step: Start VM Paused") + + instance, _ := client.GetVMByUuid(state.Get("instance_uuid").(string)) + + instance.Start(true, false) + + domid, _ := instance.GetDomainId() + state.Put("domid", domid) + + return multistep.ActionContinue +} + + +func (self *stepStartVmPaused) Cleanup(state multistep.StateBag) { +} diff --git a/builder/xenserver/step_type_boot_command.go b/builder/xenserver/step_type_boot_command.go new file mode 100644 index 0000000..92bbbba --- /dev/null +++ b/builder/xenserver/step_type_boot_command.go @@ -0,0 +1,185 @@ +package xenserver + +/* Heavily borrowed from builder/quemu/step_type_boot_command.go */ + +import ( + "fmt" + "github.com/mitchellh/go-vnc" + "github.com/mitchellh/multistep" + "github.com/mitchellh/packer/packer" + "log" + "net" + "strings" + "time" + "unicode" + "unicode/utf8" +) + +const KeyLeftShift uint = 0xFFE1 + +type bootCommandTemplateData struct { + HTTPIP string + HTTPPort uint +} + + +type stepTypeBootCommand struct{} + +func (self *stepTypeBootCommand) Run (state multistep.StateBag) multistep.StepAction { + config := state.Get("config").(config) + ui := state.Get("ui").(packer.Ui) + vnc_port := state.Get("local_vnc_port").(uint) + http_port := state.Get("http_port").(uint) + + // Connect to the local VNC port as we have set up a SSH port forward + ui.Say("Connecting to the VM over VNC") + net_conn, err := net.Dial("tcp", fmt.Sprintf("127.0.0.1:%d", vnc_port)) + + if err != nil { + err := fmt.Errorf("Error connecting to VNC: %s", err) + state.Put("error", err) + ui.Error(err.Error()) + return multistep.ActionHalt + } + + defer net_conn.Close() + + c, err := vnc.Client(net_conn, &vnc.ClientConfig{Exclusive: true}) + + if err != nil { + err := fmt.Errorf("Error establishing VNC session: %s", err) + state.Put("error", err) + ui.Error(err.Error()) + return multistep.ActionHalt + } + + defer c.Close() + + log.Printf("Connected to the VNC console: %s", c.DesktopName) + + // @todo - include http port/ip so kickstarter files can be grabbed + tplData := &bootCommandTemplateData { + config.LocalIp, + http_port, + } + + ui.Say("About to type boot commands over VNC...") + for _, command := range config.BootCommand { + + command, err := config.tpl.Process(command, tplData) + if err != nil { + err := fmt.Errorf("Error preparing boot command: %s", err) + state.Put("error", err) + ui.Error(err.Error()) + return multistep.ActionHalt + } + + // Check for interrupts + if _, ok := state.GetOk(multistep.StateCancelled); ok { + return multistep.ActionHalt + } + + vncSendString(c, command) + } + + ui.Say("Finished typing.") + + return multistep.ActionContinue +} + +func (self *stepTypeBootCommand) Cleanup (multistep.StateBag) {} + +// Taken from qemu's builder plugin - not an exported function. +func vncSendString(c *vnc.ClientConn, original string) { + // Scancodes reference: https://github.com/qemu/qemu/blob/master/ui/vnc_keysym.h + special := make(map[string]uint32) + special[""] = 0xFF08 + special[""] = 0xFFFF + special[""] = 0xFF0D + special[""] = 0xFF1B + special[""] = 0xFFBE + special[""] = 0xFFBF + special[""] = 0xFFC0 + special[""] = 0xFFC1 + special[""] = 0xFFC2 + special[""] = 0xFFC3 + special[""] = 0xFFC4 + special[""] = 0xFFC5 + special[""] = 0xFFC6 + special[""] = 0xFFC7 + special[""] = 0xFFC8 + special[""] = 0xFFC9 + special[""] = 0xFF0D + special[""] = 0xFF09 + special[""] = 0xFF52 + special[""] = 0xFF54 + special[""] = 0xFF51 + special[""] = 0xFF53 + special[""] = 0x020 + special[""] = 0xFF63 + special[""] = 0xFF50 + special[""] = 0xFF57 + special[""] = 0xFF55 + special[""] = 0xFF56 + + shiftedChars := "~!@#$%^&*()_+{}|:\"<>?" + + // TODO(mitchellh): Ripe for optimizations of some point, perhaps. + for len(original) > 0 { + var keyCode uint32 + keyShift := false + + if strings.HasPrefix(original, "") { + log.Printf("Special code '' found, sleeping one second") + time.Sleep(1 * time.Second) + original = original[len(""):] + continue + } + + if strings.HasPrefix(original, "") { + log.Printf("Special code '' found, sleeping 5 seconds") + time.Sleep(5 * time.Second) + original = original[len(""):] + continue + } + + if strings.HasPrefix(original, "") { + log.Printf("Special code '' found, sleeping 10 seconds") + time.Sleep(10 * time.Second) + original = original[len(""):] + continue + } + + for specialCode, specialValue := range special { + if strings.HasPrefix(original, specialCode) { + log.Printf("Special code '%s' found, replacing with: %d", specialCode, specialValue) + keyCode = specialValue + original = original[len(specialCode):] + break + } + } + + if keyCode == 0 { + r, size := utf8.DecodeRuneInString(original) + original = original[size:] + keyCode = uint32(r) + keyShift = unicode.IsUpper(r) || strings.ContainsRune(shiftedChars, r) + + log.Printf("Sending char '%c', code %d, shift %v", r, keyCode, keyShift) + } + + if keyShift { + c.KeyEvent(uint32(KeyLeftShift), true) + } + + c.KeyEvent(keyCode, true) + c.KeyEvent(keyCode, false) + + if keyShift { + c.KeyEvent(uint32(KeyLeftShift), false) + } + + // qemu is picky, so no matter what, wait a small period + time.Sleep(100 * time.Millisecond) + } +} diff --git a/builder/xenserver/step_upload_iso.go b/builder/xenserver/step_upload_iso.go new file mode 100644 index 0000000..ff74302 --- /dev/null +++ b/builder/xenserver/step_upload_iso.go @@ -0,0 +1,79 @@ +package xenserver + + +import ( + "github.com/mitchellh/multistep" + "github.com/mitchellh/packer/packer" + "os" + "strconv" + "os/exec" + "log" +) + +type stepUploadIso struct {} + +func (self *stepUploadIso) Run(state multistep.StateBag) multistep.StepAction { + + client := state.Get("client").(XenAPIClient) + config := state.Get("config").(config) + ui := state.Get("ui").(packer.Ui) + + ui.Say("Step: Upload ISO to server") + iso_path := state.Get("iso_path").(string) + + // Determine the ISO's filesize + file, err := os.Open(iso_path) + if err != nil { + ui.Error(err.Error()) + return multistep.ActionHalt + } + stat, err := file.Stat() + + if err != nil { + ui.Error(err.Error()) + return multistep.ActionHalt + } + + iso_filesize := stat.Size() + + // Create a VDI with the write size + sr, err := client.GetSRByUuid(config.SrUuid) + + if err != nil { + ui.Error(err.Error()) + return multistep.ActionHalt + } + + filesize_str := strconv.FormatInt(iso_filesize, 10) + log.Printf("Filesize of the ISO is %d", filesize_str) + vdi, err := sr.CreateVdi("Packer Gen " + stat.Name(), filesize_str) + + if err != nil { + ui.Error(err.Error()) + return multistep.ActionHalt + } + + // Upload the ISO to this VDI + vdi_uuid, _ := vdi.GetUuid() + host_url := "https://" + client.Host + log.Printf("Host URL: %s", host_url) + ui.Say("Uploading ISO to " + vdi_uuid) + out, err := exec.Command("/usr/bin/importdisk.py", host_url, client.Username, client.Password, vdi_uuid, iso_path).CombinedOutput() + log.Printf("Output: %s", out) + + if err != nil { + log.Printf("%s", err) + ui.Error(err.Error()) + return multistep.ActionHalt + } + + // Stash the vdi uuid to be used in preference + state.Put("iso_vdi_uuid", vdi_uuid) + + + return multistep.ActionContinue +} + + +func (self *stepUploadIso) Cleanup(state multistep.StateBag) { +} diff --git a/builder/xenserver/step_wait.go b/builder/xenserver/step_wait.go new file mode 100644 index 0000000..ab53e97 --- /dev/null +++ b/builder/xenserver/step_wait.go @@ -0,0 +1,96 @@ +package xenserver + +import ( + "github.com/mitchellh/multistep" + "github.com/mitchellh/packer/packer" + "time" + "reflect" + "github.com/nilshell/xmlrpc" +) + + +type stepWait struct{} + +func (self *stepWait) Run(state multistep.StateBag) multistep.StepAction { + ui := state.Get("ui").(packer.Ui) + client := state.Get("client").(XenAPIClient) + + ui.Say("Step: Wait for install to complete.") + + + //Expect install to be configured to shutdown on completion + + instance_id := state.Get("instance_uuid").(string) + instance, _ := client.GetVMByUuid(instance_id) + + for { + time.Sleep(30 * time.Second) + ui.Say("Waiting for VM install...") + + power_state, _ := instance.GetPowerState() + if power_state == "Halted" { + ui.Say("Install has completed. Moving on.") + break + } + } + + //Eject ISO from drive and start VM + vbds, _ := instance.GetVBDs() + for _, vbd := range vbds { + rec, _ := vbd.GetRecord() + + // Hack - should encapsulate this in the client really + // This is needed because we can't guarentee the type + // returned by the xmlrpc lib will be string + switch reflect.TypeOf(rec["type"]).Kind() { + case reflect.String: + if rec["type"].(string) == "CD" { + ui.Say("Ejecting CD...") + vbd.Eject() + } + default: + break + } + } + + ui.Say("Starting VM...") + instance.Start(false, false) + + + vm_ip := "" + for i:=0; i < 10; i++ { + ref, _ := instance.GetGuestMetricsRef() + + if ref != "OpaqueRef:NULL" { + metrics, _ := instance.GetGuestMetrics() + // todo: xmlrpc shouldn't be needed here + networks := metrics["networks"].(xmlrpc.Struct) + for k, v := range networks { + if k == "0/ip" && v.(string) != "" { + vm_ip = v.(string) + break + } + } + + } + + // Check if an IP has been returned yet + if vm_ip != "" { + break + } + + ui.Say("Wait for IP address...") + time.Sleep(10*time.Second) + } + + + // Pass on the VM's IP + state.Put("ssh_address", vm_ip) + ui.Say("Found the VM's IP " + vm_ip) + + + return multistep.ActionContinue +} + +func (self *stepWait) Cleanup(state multistep.StateBag) {} +