200 lines
6.8 KiB
Bash
200 lines
6.8 KiB
Bash
function agp() {
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echo $AWS_PROFILE
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}
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# AWS profile selection
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function asp() {
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if [[ -z "$1" ]]; then
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unset AWS_DEFAULT_PROFILE AWS_PROFILE AWS_EB_PROFILE
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echo AWS profile cleared.
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return
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fi
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local -a available_profiles
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available_profiles=($(aws_profiles))
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if [[ -z "${available_profiles[(r)$1]}" ]]; then
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echo "${fg[red]}Profile '$1' not found in '${AWS_CONFIG_FILE:-$HOME/.aws/config}'" >&2
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echo "Available profiles: ${(j:, :)available_profiles:-no profiles found}${reset_color}" >&2
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return 1
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fi
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export AWS_DEFAULT_PROFILE=$1
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export AWS_PROFILE=$1
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export AWS_EB_PROFILE=$1
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}
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# AWS profile switch
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function acp() {
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if [[ -z "$1" ]]; then
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unset AWS_DEFAULT_PROFILE AWS_PROFILE AWS_EB_PROFILE
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unset AWS_ACCESS_KEY_ID AWS_SECRET_ACCESS_KEY AWS_SESSION_TOKEN
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echo AWS profile cleared.
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return
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fi
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local -a available_profiles
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available_profiles=($(aws_profiles))
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if [[ -z "${available_profiles[(r)$1]}" ]]; then
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echo "${fg[red]}Profile '$1' not found in '${AWS_CONFIG_FILE:-$HOME/.aws/config}'" >&2
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echo "Available profiles: ${(j:, :)available_profiles:-no profiles found}${reset_color}" >&2
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return 1
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fi
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local profile="$1"
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# Get fallback credentials for if the aws command fails or no command is run
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local aws_access_key_id="$(aws configure get aws_access_key_id --profile $profile)"
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local aws_secret_access_key="$(aws configure get aws_secret_access_key --profile $profile)"
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local aws_session_token="$(aws configure get aws_session_token --profile $profile)"
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# First, if the profile has MFA configured, lets get the token and session duration
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local mfa_serial="$(aws configure get mfa_serial --profile $profile)"
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if [[ -n "$mfa_serial" ]]; then
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local -a mfa_opt
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local mfa_token sess_duration
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echo -n "Please enter your MFA token for $mfa_serial: "
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read -r mfa_token
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echo -n "Please enter the session duration in seconds (900-43200; default: 3600, which is the default maximum for a role): "
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read -r sess_duration
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mfa_opt=(--serial-number "$mfa_serial" --token-code "$mfa_token" --duration-seconds "${sess_duration:-3600}")
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# Now see whether we need to just MFA for the current role, or assume a different one
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local role_arn="$(aws configure get role_arn --profile $profile)"
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if [[ -n "$role_arn" ]]; then
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# Means we need to assume a specified role
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aws_command=(aws sts assume-role --role-arn "$role_arn" "${mfa_opt[@]}")
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# Check whether external_id is configured to use while assuming the role
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local external_id="$(aws configure get external_id --profile "$profile")"
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if [[ -n "$external_id" ]]; then
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aws_command+=(--external-id "$external_id")
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fi
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# Get source profile to use to assume role
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local source_profile="$(aws configure get source_profile --profile "$profile")"
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aws_command+=(--profile="${source_profile:-profile}" --role-session-name "${source_profile:-profile}")
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echo "Assuming role $role_arn using profile ${source_profile:-profile}"
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else
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# Means we only need to do MFA
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aws_command=(aws sts get-session-token --profile="$profile" "${mfa_opt[@]}")
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echo "Obtaining session token for profile $profile"
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fi
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# Format output of aws command for easier processing
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aws_command+=(--query '[Credentials.AccessKeyId,Credentials.SecretAccessKey,Credentials.SessionToken]' --output text)
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# Run the aws command to obtain credentials
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local -a credentials
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credentials=(${(ps:\t:)"$(${aws_command[@]})"})
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if [[ -n "$credentials" ]]; then
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aws_access_key_id="${credentials[1]}"
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aws_secret_access_key="${credentials[2]}"
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aws_session_token="${credentials[3]}"
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fi
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fi
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# Switch to AWS profile
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if [[ -n "${aws_access_key_id}" && -n "$aws_secret_access_key" ]]; then
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export AWS_DEFAULT_PROFILE="$profile"
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export AWS_PROFILE="$profile"
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export AWS_EB_PROFILE="$profile"
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export AWS_ACCESS_KEY_ID="$aws_access_key_id"
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export AWS_SECRET_ACCESS_KEY="$aws_secret_access_key"
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if [[ -n "$aws_session_token" ]]; then
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export AWS_SESSION_TOKEN="$aws_session_token"
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else
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unset AWS_SESSION_TOKEN
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fi
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echo "Switched to AWS Profile: $profile"
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fi
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}
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function aws_change_access_key() {
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if [[ -z "$1" ]]; then
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echo "usage: $0 <profile>"
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return 1
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fi
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echo Insert the credentials when asked.
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asp "$1" || return 1
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AWS_PAGER="" aws iam create-access-key
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AWS_PAGER="" aws configure --profile "$1"
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echo You can now safely delete the old access key running \`aws iam delete-access-key --access-key-id ID\`
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echo Your current keys are:
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AWS_PAGER="" aws iam list-access-keys
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}
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function aws_profiles() {
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[[ -r "${AWS_CONFIG_FILE:-$HOME/.aws/config}" ]] || return 1
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grep --color=never -Eo '\[.*\]' "${AWS_CONFIG_FILE:-$HOME/.aws/config}" | sed -E 's/^[[:space:]]*\[(profile)?[[:space:]]*([-_[:alnum:]\.@]+)\][[:space:]]*$/\2/g'
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}
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function _aws_profiles() {
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reply=($(aws_profiles))
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}
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compctl -K _aws_profiles asp acp aws_change_access_key
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# AWS prompt
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function aws_prompt_info() {
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[[ -z $AWS_PROFILE ]] && return
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echo "${ZSH_THEME_AWS_PREFIX:=<aws:}${AWS_PROFILE}${ZSH_THEME_AWS_SUFFIX:=>}"
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}
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if [[ "$SHOW_AWS_PROMPT" != false && "$RPROMPT" != *'$(aws_prompt_info)'* ]]; then
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RPROMPT='$(aws_prompt_info)'"$RPROMPT"
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fi
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# Load awscli completions
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# AWS CLI v2 comes with its own autocompletion. Check if that is there, otherwise fall back
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if command -v aws_completer &> /dev/null; then
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autoload -Uz bashcompinit && bashcompinit
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complete -C aws_completer aws
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else
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function _awscli-homebrew-installed() {
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# check if Homebrew is installed
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(( $+commands[brew] )) || return 1
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# speculatively check default brew prefix
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if [ -h /usr/local/opt/awscli ]; then
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_brew_prefix=/usr/local/opt/awscli
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else
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# ok, it is not in the default prefix
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# this call to brew is expensive (about 400 ms), so at least let's make it only once
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_brew_prefix=$(brew --prefix awscli)
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fi
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}
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# get aws_zsh_completer.sh location from $PATH
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_aws_zsh_completer_path="$commands[aws_zsh_completer.sh]"
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# otherwise check common locations
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if [[ -z $_aws_zsh_completer_path ]]; then
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# Homebrew
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if _awscli-homebrew-installed; then
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_aws_zsh_completer_path=$_brew_prefix/libexec/bin/aws_zsh_completer.sh
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# Ubuntu
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elif [[ -e /usr/share/zsh/vendor-completions/_awscli ]]; then
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_aws_zsh_completer_path=/usr/share/zsh/vendor-completions/_awscli
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# NixOS
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elif [[ -e "${commands[aws]:P:h:h}/share/zsh/site-functions/aws_zsh_completer.sh" ]]; then
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_aws_zsh_completer_path="${commands[aws]:P:h:h}/share/zsh/site-functions/aws_zsh_completer.sh"
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# RPM
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else
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_aws_zsh_completer_path=/usr/share/zsh/site-functions/aws_zsh_completer.sh
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fi
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fi
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[[ -r $_aws_zsh_completer_path ]] && source $_aws_zsh_completer_path
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unset _aws_zsh_completer_path _brew_prefix
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fi
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