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knife: add README and reformat completion file

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This commit is contained in:
Marc Cornellà 2019-12-27 00:49:50 +01:00
parent a952854c12
commit 132607447d
2 changed files with 136 additions and 104 deletions
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25
plugins/knife/README.md Normal file
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@ -0,0 +1,25 @@
# knife plugin
This plugin adds completion for [knife](https://docs.chef.io/knife.html), a command-line tool
to interact with [Chef](https://chef.io), a platform to automate and manage infrastructure via
code.
To use it, add `knife` to the plugins array in your zshrc file:
```zsh
plugins=(... knife)
```
## Options
- `KNIFE_RELATIVE_PATH`: if set to `true`, the completion script will look for local cookbooks
under the `cookbooks` folder in the chef root directory. It has preference over the other two
options below. **Default:** empty.
- `KNIFE_COOKBOOK_PATH`: if set, it points to the folder that contains local cookbooks, for
example: `/path/to/my/chef/cookbooks`. **Default:** `cookbook_path` field in `knife.rb`
(see below).
- `KNIFE_CONF_PATH`: variable pointing to the `knife.rb` configuration file, for example
`/path/to/my/.chef/knife.rb`. Only used if `$KNIFE_COOKBOOK_PATH` isn't set. If it exists,
`$PWD/.chef/knife.rb` is used instead. Otherwise, if it's set, its value is used.
**Default**: `$HOME/.chef/knife.rb`.

195
plugins/knife/_knife
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@ -9,7 +9,7 @@
# Read around where these are used for more detail.
# These flags should be available everywhere according to man knife
knife_general_flags=( --help --server-url --key --config --editor --format --log_level --logfile --no-editor --user --print-after --version --yes )
knife_general_flags=(--help --server-url --key --config --editor --format --log_level --logfile --no-editor --user --print-after --version --yes)
# knife has a very special syntax, some example calls are:
# knife status
@ -25,8 +25,8 @@ _knife() {
typeset -A opt_args
cloudproviders=(bluebox ec2 rackspace slicehost terremark)
_arguments \
'1: :->knifecmd'\
'2: :->knifesubcmd'\
'1: :->knifecmd' \
'2: :->knifesubcmd' \
'3: :->knifesubcmd2' \
'4: :->knifesubcmd3' \
'5: :->knifesubcmd4' \
@ -35,173 +35,181 @@ _knife() {
case $state in
knifecmd)
compadd -Q "$@" bootstrap client configure cookbook "cookbook site" "data bag" diff exec environment index node recipe role search ssh status upload vault windows $cloudproviders
;;
;;
knifesubcmd)
case $words[2] in
(bluebox|ec2|rackspace|slicehost|terremark)
bluebox|ec2|rackspace|slicehost|terremark)
compadd "$@" server images
;;
;;
client)
compadd -Q "$@" "bulk delete" list create show delete edit reregister
;;
;;
configure)
compadd "$@" client
;;
;;
cookbook)
compadd -Q "$@" test list create download delete "metadata from" show "bulk delete" metadata upload
;;
;;
diff)
_arguments '*:file or directory:_files -g "*"'
;;
;;
environment)
compadd -Q "$@" list create delete edit show "from file"
;;
;;
node)
compadd -Q "$@" "from file" create show edit delete list run_list "bulk delete"
;;
compadd -Q "$@" "from file" create show edit delete list run_list "bulk delete"
;;
recipe)
compadd "$@" list
;;
compadd "$@" list
;;
role)
compadd -Q "$@" "bulk delete" create delete edit "from file" list show
;;
;;
upload)
_arguments '*:file or directory:_files -g "*"'
;;
_arguments '*:file or directory:_files -g "*"'
;;
vault)
compadd -Q "$@" create decrypt delete edit remove "rotate all keys" "rotate keys" show update
;;
;;
windows)
compadd "$@" bootstrap
;;
;;
*)
_arguments '2:Subsubcommands:($(_knife_options1))'
_arguments '2:Subsubcommands:($(_knife_options1))'
;;
esac
;;
knifesubcmd2)
;;
knifesubcmd2)
case $words[3] in
server)
server)
compadd "$@" list create delete
;;
images)
;;
images)
compadd "$@" list
;;
site)
;;
site)
compadd "$@" vendor show share search download list unshare
;;
(show|delete|edit)
_arguments '3:Subsubcommands:($(_chef_$words[2]s_remote))'
;;
(upload|test)
_arguments '3:Subsubcommands:($(_chef_$words[2]s_local) --all)'
;;
;;
show|delete|edit)
_arguments '3:Subsubcommands:($(_chef_$words[2]s_remote))'
;;
upload|test)
_arguments '3:Subsubcommands:($(_chef_$words[2]s_local) --all)'
;;
list)
compadd -a "$@" knife_general_flags
;;
compadd -a "$@" knife_general_flags
;;
bag)
compadd -Q "$@" show edit list "from file" create delete
;;
;;
*)
_arguments '3:Subsubcommands:($(_knife_options2))'
;;
esac
;;
knifesubcmd3)
case $words[3] in
show)
case $words[2] in
cookbook)
versioncomp=1
_arguments '4:Cookbookversions:($(_cookbook_versions) latest)'
;;
(node|client|role)
compadd "$@" --attribute
esac
esac
case $words[4] in
(show|edit)
_arguments '4:Subsubsubcommands:($(_chef_$words[2]_$words[3]s_remote))'
;;
file)
knifesubcmd3)
case $words[3] in
show)
case $words[2] in
cookbook)
versioncomp=1
_arguments '4:Cookbookversions:($(_cookbook_versions) latest)'
;;
node|client|role)
compadd "$@" --attribute
;;
esac
;;
esac
case $words[4] in
show|edit)
_arguments '4:Subsubsubcommands:($(_chef_$words[2]_$words[3]s_remote))'
;;
file)
case $words[2] in
environment)
_arguments '*:files:_path_files -g "*.(rb|json)" -W "$(_chef_root)/environments"'
;;
;;
node)
_arguments '*:files:_path_files -g "*.(rb|json)" -W "$(_chef_root)/nodes"'
;;
;;
role)
_arguments '*:files:_path_files -g "*.(rb|json)" -W "$(_chef_root)/roles"'
;;
;;
*)
_arguments '*:Subsubcommands:($(_knife_options3))'
;;
esac
;;
list)
compadd -a "$@" knife_general_flags
;;
*)
_arguments '*:Subsubcommands:($(_knife_options3))'
;;
list)
compadd -a "$@" knife_general_flags
;;
*)
_arguments '*:Subsubcommands:($(_knife_options3))'
;;
esac
;;
knifesubcmd4)
if (( versioncomp > 0 )); then
compadd "$@" attributes definitions files libraries providers recipes resources templates
else
knifesubcmd4)
if ((versioncomp > 0)); then
compadd "$@" attributes definitions files libraries providers recipes resources templates
else
case $words[5] in
file)
_arguments '*:directory:_path_files -/ -W "$(_chef_root)/data_bags" -qS \ '
file)
_arguments '*:directory:_path_files -/ -W "$(_chef_root)/data_bags" -qS \ '
;;
*) _arguments '*:Subsubcommands:($(_knife_options2))'
*) _arguments '*:Subsubcommands:($(_knife_options2))' ;;
esac
fi
fi
;;
knifesubcmd5)
case $words[5] in
file)
_arguments '*:files:_path_files -g "*.json" -W "$(_chef_root)/data_bags/$words[6]"'
;;
*)
_arguments '*:Subsubcommands:($(_knife_options3))'
esac
esac
knifesubcmd5)
case $words[5] in
file)
_arguments '*:files:_path_files -g "*.json" -W "$(_chef_root)/data_bags/$words[6]"'
;;
*)
_arguments '*:Subsubcommands:($(_knife_options3))'
;;
esac
;;
esac
}
# Helper functions to provide the argument completion for several depths of commands
_knife_options1() {
( for line in $( knife $words[2] --help | grep -v "^knife" ); do echo $line | grep "\-\-"; done )
(for line in $(knife $words[2] --help | grep -v "^knife"); do echo $line | grep "\-\-"; done)
}
_knife_options2() {
( for line in $( knife $words[2] $words[3] --help | grep -v "^knife" ); do echo $line | grep "\-\-"; done )
(for line in $(knife $words[2] $words[3] --help | grep -v "^knife"); do echo $line | grep "\-\-"; done)
}
_knife_options3() {
( for line in $( knife $words[2] $words[3] $words[4] --help | grep -v "^knife" ); do echo $line | grep "\-\-"; done )
(for line in $(knife $words[2] $words[3] $words[4] --help | grep -v "^knife"); do echo $line | grep "\-\-"; done)
}
# The chef_x_remote functions use knife to get a list of objects of type x on the server
_chef_roles_remote() {
(knife role list --format json | grep \" | awk '{print $1}' | awk -F"," '{print $1}' | awk -F"\"" '{print $2}')
(knife role list --format json | grep \" | awk '{print $1}' | awk -F"," '{print $1}' | awk -F"\"" '{print $2}')
}
_chef_clients_remote() {
(knife client list --format json | grep \" | awk '{print $1}' | awk -F"," '{print $1}' | awk -F"\"" '{print $2}')
(knife client list --format json | grep \" | awk '{print $1}' | awk -F"," '{print $1}' | awk -F"\"" '{print $2}')
}
_chef_nodes_remote() {
(knife node list --format json | grep \" | awk '{print $1}' | awk -F"," '{print $1}' | awk -F"\"" '{print $2}')
(knife node list --format json | grep \" | awk '{print $1}' | awk -F"," '{print $1}' | awk -F"\"" '{print $2}')
}
_chef_cookbooks_remote() {
(knife cookbook list --format json | grep \" | awk '{print $1}' | awk -F"," '{print $1}' | awk -F"\"" '{print $2}')
(knife cookbook list --format json | grep \" | awk '{print $1}' | awk -F"," '{print $1}' | awk -F"\"" '{print $2}')
}
_chef_sitecookbooks_remote() {
(knife cookbook site list --format json | grep \" | awk '{print $1}' | awk -F"," '{print $1}' | awk -F"\"" '{print $2}')
(knife cookbook site list --format json | grep \" | awk '{print $1}' | awk -F"," '{print $1}' | awk -F"\"" '{print $2}')
}
_chef_data_bags_remote() {
(knife data bag list --format json | grep \" | awk '{print $1}' | awk -F"," '{print $1}' | awk -F"\"" '{print $2}')
(knife data bag list --format json | grep \" | awk '{print $1}' | awk -F"," '{print $1}' | awk -F"\"" '{print $2}')
}
_chef_environments_remote() {
@ -217,7 +225,7 @@ _chef_cookbooks_local() {
if [ -f ./.chef/knife.rb ]; then
knife_rb="./.chef/knife.rb"
fi
local cookbook_path=${KNIFE_COOKBOOK_PATH:-$(grep cookbook_path $knife_rb | awk 'BEGIN {FS = "[" }; {print $2}' | sed 's/\,//g' | sed "s/'//g" | sed 's/\(.*\)]/\1/' )}
local cookbook_path=${KNIFE_COOKBOOK_PATH:-$(grep cookbook_path $knife_rb | awk 'BEGIN {FS = "[" }; {print $2}' | sed 's/\,//g' | sed "s/'//g" | sed 's/\(.*\)]/\1/')}
fi
(for i in $cookbook_path; do ls $i; done)
}
@ -229,10 +237,9 @@ _cookbook_versions() {
# Searches up from current directory to find the closest folder that has a .chef folder
# Useful for the knife upload/from file commands
_chef_root () {
_chef_root() {
directory="$PWD"
while [ $directory != '/' ]
do
while [ $directory != '/' ]; do
test -e "$directory/.chef" && echo "$directory" && return
directory="${directory:h}"
done