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

annotate files/fbhyve.in @ 479:30ba5e272030

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fbhyve: put tmux into the required_files
author Franz Glasner <fzglas.hg@dom66.de>
date Wed, 28 Aug 2024 09:46:06 +0200
parents 3f187ec5c4d9
children 24129dd789f0
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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 "${rc_force}" ] && return 1
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147 fi
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148 return 0
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149 }
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150
474
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151
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152 fbhyve_post_stop()
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153 {
474
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154 if [ -e "/dev/vmm/${_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"