Mercurial > hgrepos > FreeBSD > ports > sysutils > local-bsdtools

annotate files/fbhyve.in @ 649:4ee9a8042f4a

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common.subr: _get_jail_from_path() now just returns when the jail is dying. But it prints the name of the jail if it is yet dying. Real error reporting must not consistently be done in the caller.
author Franz Glasner <fzglas.hg@dom66.de>
date Fri, 27 Sep 2024 21:21:34 +0200
parents 30ba5e272030
children 24129dd789f0
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1 #!/bin/sh
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2 # -*- indent-tabs-mode: nil -*-
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3
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4 # PROVIDE: fbhyve
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5 # REQUIRE: LOGIN FILESYSTEMS
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6 # KEYWORD: shutdown nojail
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7 #
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8
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9 # @(#)%%SIMPLEVERSIONTAG%%
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10
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11 #
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12 # Add the following lines to /etc/rc.conf to enable bhyve:
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13 #
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14 # fbhyve_enable (bool): Set to "NO" by default.
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15 # Acts as default for all listed VMs.
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16 # Set it to "YES" to enable bhyve.
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17 # fbhyve_list (str): Set to "" by default.
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18 # Define the names of your VMs here.
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19 # fbhyve_tmux_session_prefix (str): All tmux session names will have this
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20 # prefix string.
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21 # fbhyve_configdir (str): Where by default config files for all VMs live.
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22 # Default: $PREFIX/etc/fbhyve
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23 #
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24 #
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25 # fbhyve_<vm>_enable (bool): Allow to enable or disable a specific VM.
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26 # Set to $fbhyve_enable by default.
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27 # fbhyve_<vm>_config (str): The bhyve configuration file to use to.
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28 # The default is $fbhyve_configdir/<vm>.conf
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29 #
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31 . /etc/rc.subr
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32
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33 name="fbhyve"
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34 desc="Manage system bhyve virtual machines"
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35 rcvar="fbhyve_enable"
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36
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37 extra_commands="kill"
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38 start_precmd="fbhyve_pre_start"
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39 stop_postcmd="fbhyve_post_stop"
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40 status_cmd="fbhyve_status"
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41 kill_cmd="fbhyve_kill"
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44 load_rc_config $name
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45
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46 : ${fbhyve_enable:="NO"}
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47 : ${fbhyve_list=}
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48 : ${fbhyve_tmux_session_prefix:="${name}_"}
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49 : ${fbhyve_configdir:="%%FBHYVE_ETCDIR%%"}
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50
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51
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52 _fbhyve_vm_exists()
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53 {
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54 local _p
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55 for _p in ${fbhyve_list}; do
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56 [ "${_p}" = "$1" ] && return 0;
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57 done
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58 return 1
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59 }
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61
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62 if [ $# -eq 2 ]; then
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63 _vm="$2"
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64 if ! _fbhyve_vm_exists "${_vm}"; then
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65 echo "ERROR: no VM named \`${_vm}' in \`fbhyve_list'" 1>&2
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66 exit 1
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67 fi
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68 echo "-- VM: ${_vm} --"
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69 _session="${fbhyve_tmux_session_prefix}${_vm}"
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70 _window="${_session}_console"
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71 eval fbhyve_enable="\${fbhyve_${_vm}_enable:-${fbhyve_enable}}"
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72 eval fbhyve_config="\${fbhyve_${_vm}_config:-\"${fbhyve_configdir}/${_vm}.conf\"}"
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73 else
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74 _ec=0
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75 _swap=$*; shift; _vmarglist=$*
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76 _vmlist=${_vmarglist:-${fbhyve_list}}
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77 set -- ${_swap}
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78 for _vm in ${_vmlist}; do
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79 "$0" "$1" "${_vm}"
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80 _vmec=$?
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81 if [ ${_vmec} -gt ${_ec} ]; then
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82 _ec=${_vmec}
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83 fi
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84 done
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85 exit ${_ec}
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86 fi
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87
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88 _rundir="%%FBHYVE_RUNDIR%%"
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89 pidfile="${_rundir}/${_vm}.pid"
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90 command="%%LOCALBASE%%/bin/tmux"
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91 procname="bhyve:" # something like bhyve: <vmname> (bhyve)
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92
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93 required_dirs="${_rundir}"
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94 required_files="${fbhyve_config} ${command}"
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95
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96 command_args="new-session -ds ${_session} -n ${_window} \"sh -c 'echo \\\$\\\$ >\\\"${pidfile}\\\"; /usr/sbin/bhyve -k \\\"${fbhyve_config}\\\" \\\"${_vm}\\\"'\""
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97
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98
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99 fbhyve_status()
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100 {
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101 local _pid _rc
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102
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103 _rc=0
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104 _pid=$(check_pidfile "$pidfile" "$procname")
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105 if [ -n "${_pid}" ]; then
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106 echo "VM ${_vm} is running as pid $_pid."
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107 else
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108 echo "VM ${_vm} is not running."
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109 _rc=1
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110 fi
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111
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112 if ${command} has-session -t ${_session} 2>/dev/null; then
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113 echo "tmux session ${_session} exists."
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114 if [ ${_rc} -gt 0 ]; then
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115 _rc=2
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116 fi
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117 else
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118 echo "tmux session ${_session} does not exist."
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119 if [ ${_rc} -gt 0 ]; then
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120 _rc=2
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121 fi
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122 fi
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123 return ${_rc}
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124 }
464
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125
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126
475
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127 fbhyve_pre_start()
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128 {
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129 local _level
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130
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131 if [ -z "${rc_force}" ]; then
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132 _level="ERROR:"
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133 else
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134 _level="WARNING:"
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135 fi
474
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136 if ! load_kld -m vmm vmm.ko; then
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137 echo "ERROR: Cannot load kernel module \`vmm'" 1>&2
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138 [ -z "${rc_force}" ] && return 1
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139 fi
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140 if [ -e "/dev/vmm/${_vm}" ]; then
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141 echo "${_level} VM \`${_vm}' already created in the VM monitor" 1>&2
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142 [ -z "${rc_force}" ] && return 1
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143 fi
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144 if ${command} has-session -t "${_session}" 2>/dev/null; then
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145 echo "${_level} tmux session \`${_session}' already exists" 1>&2
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146 [ -z "${rc_force}" ] && return 1
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147 fi
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148 return 0
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149 }
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150
474
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151
475
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152 fbhyve_post_stop()
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153 {
474
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154 if [ -e "/dev/vmm/${_vm}" ]; then
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155 /usr/sbin/bhyvectl --vm="${_vm}" --destroy
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156 fi
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157 if ${command} has-session -t "${_session}" 2>/dev/null; then
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158 ${command} kill-session -t "${_session}"
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159 fi
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160 rm -f "${pidfile}"
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161 return 0
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162 }
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163
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164
476
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165 fbhyve_kill()
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166 {
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167 # Just kill without terminating
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168 if [ -e "/dev/vmm/${_vm}" ]; then
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169 /usr/sbin/bhyvectl --vm="${_vm}" --force-poweroff 2>/dev/null 1>/dev/null
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170 fi
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171 # and do the normal cleanup
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172 fbhyve_post_stop
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173 }
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174
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175
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176 run_rc_command "$1"