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