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/** |
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* This file is part of the CernVM File System. |
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*/ |
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#ifndef CVMFS_PUBLISH_CMD_ENTER_H_ |
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#define CVMFS_PUBLISH_CMD_ENTER_H_ |
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#include <string> |
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#include <vector> |
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#include "publish/command.h" |
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#include "publish/settings.h" |
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namespace publish { |
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class SettingsPublisher; |
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class CmdEnter : public Command { |
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public: |
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CmdEnter() |
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: settings_spool_area_("unset") // will be set by SetSpoolArea in Main() |
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, cvmfs2_binary_("/usr/bin/cvmfs2") |
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, overlayfs_binary_("/usr/bin/fuse-overlayfs") { } |
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virtual std::string GetName() const { return "enter"; } |
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virtual std::string GetBrief() const { |
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return "Open an ephemeral namespace to publish content"; |
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} |
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virtual std::string GetUsage() const { |
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return "[options] <fully qualified repository name> [-- <command> " |
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"<params>]"; |
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} |
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virtual ParameterList GetParams() const { |
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ParameterList p; |
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p.push_back( |
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Parameter::Optional("stratum0", 'w', "stratum0 url", |
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"HTTP endpoint of the authoritative storage")); |
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p.push_back(Parameter::Optional("cvmfs2", 'c', "path", |
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"Path to the cvmfs2 binary")); |
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p.push_back(Parameter::Optional( |
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"cvmfs-config", 'C', "path", |
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"Path to extra configuration for the CernVM-FS client")); |
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p.push_back(Parameter::Switch("root", 'r', "Run as fake root")); |
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p.push_back(Parameter::Switch( |
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"keep-session", 'k', |
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"Do not remove the session directory when the shell exits")); |
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p.push_back(Parameter::Switch( |
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"keep-logs", 'l', |
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"Clean the session directory on shell exit except for the logs")); |
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p.push_back(Parameter::Switch( |
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"transaction", 't', "Open a transaction within the ephemeral shell")); |
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p.push_back( |
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Parameter::Optional("repo-config", 'x', "repository configuration", |
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"Path to the configuration of the repository as in " |
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"/etc/cvmfs/repositories.d")); |
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return p; |
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} |
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virtual unsigned GetMinPlainArgs() const { return 1; } |
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virtual int Main(const Options &options); |
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private: |
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void MountOverlayfs(); |
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void CreateUnderlay(const std::string &source_dir, |
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const std::string &dest_dir, |
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const std::vector<std::string> &empty_dirs, |
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std::vector<std::string> *new_paths); |
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void WriteCvmfsConfig(const std::string &extra_config); |
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void MountCvmfs(); |
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pid_t RunInteractiveShell(); |
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std::string GetCvmfsXattr(const std::string &name); |
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void CleanupSession(bool keep_logs, |
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const std::vector<std::string> &new_paths); |
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SettingsSpoolArea settings_spool_area_; |
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std::string fqrn_; |
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std::string cvmfs2_binary_; |
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std::string repo_config_; |
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std::string overlayfs_binary_; |
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std::string session_dir_; ///< In $HOME/.cvmfs/fqrn, container spool area |
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std::string env_conf_; ///< Stores the session directory environment |
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std::string rootfs_dir_; ///< Destination to chroot() to in the namespace |
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std::string stdout_path_; ///< Logs stdout of background commands |
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std::string stderr_path_; ///< Logs stdout of background commands |
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}; |
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} // namespace publish |
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#endif // CVMFS_PUBLISH_CMD_ENTER_H_ |
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